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Break up opencrypto/xform.c so it can be reused piecemeal

Browse Source 
Keep xform.c as a meta-file including the broken out bits
existing code that includes xform.c continues to work as normal

Individual algorithms can now be reused elsewhere, including outside
of the kernel

Reviewed by:	bapt (previous version), gnn, delphij
Approved by:	secteam
MFC after:	1 week
Sponsored by:	ScaleEngine Inc.
Differential Revision:	https://reviews.freebsd.org/D4674
This commit is contained in:
Allan Jude 2015-12-30 22:43:07 +00:00
parent 6f73b583d9
commit 2155bb238f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=292963
24 changed files with 2118 additions and 971 deletions
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2
sys/crypto/sha1.h
View File

@ -53,6 +53,7 @@ struct sha1_ctxt {
} m;
u_int8_t count;
};
typedef struct sha1_ctxt SHA1_CTX;
#ifdef _KERNEL
extern void sha1_init(struct sha1_ctxt *);
@ -61,7 +62,6 @@ extern void sha1_loop(struct sha1_ctxt *, const u_int8_t *, size_t);
extern void sha1_result(struct sha1_ctxt *, caddr_t);
/* compatibilty with other SHA1 source codes */
typedef struct sha1_ctxt SHA1_CTX;
#define SHA1Init(x) sha1_init((x))
#define SHA1Update(x, y, z) sha1_loop((x), (y), (z))
#define SHA1Final(x, y) sha1_result((y), (x))

5
sys/opencrypto/skipjack.h
View File

@ -14,6 +14,11 @@
* 29 May 1998
*/
#ifndef _SKIPJACK_H_
#define _SKIPJACK_H_
extern void skipjack_forwards(u_int8_t *plain, u_int8_t *cipher, u_int8_t **key);
extern void skipjack_backwards(u_int8_t *cipher, u_int8_t *plain, u_int8_t **key);
extern void subkey_table_gen(u_int8_t *key, u_int8_t **key_tables);
#endif

914
sys/opencrypto/xform.c
View File

@ -75,196 +75,9 @@ __FBSDID("$FreeBSD$");
#include <opencrypto/cryptodev.h>
#include <opencrypto/xform.h>
static int null_setkey(u_int8_t **, u_int8_t *, int);
static int des1_setkey(u_int8_t **, u_int8_t *, int);
static int des3_setkey(u_int8_t **, u_int8_t *, int);
static int blf_setkey(u_int8_t **, u_int8_t *, int);
static int cast5_setkey(u_int8_t **, u_int8_t *, int);
static int skipjack_setkey(u_int8_t **, u_int8_t *, int);
static int rijndael128_setkey(u_int8_t **, u_int8_t *, int);
static int aes_icm_setkey(u_int8_t **, u_int8_t *, int);
static int aes_xts_setkey(u_int8_t **, u_int8_t *, int);
static int cml_setkey(u_int8_t **, u_int8_t *, int);
static void null_encrypt(caddr_t, u_int8_t *);
static void des1_encrypt(caddr_t, u_int8_t *);
static void des3_encrypt(caddr_t, u_int8_t *);
static void blf_encrypt(caddr_t, u_int8_t *);
static void cast5_encrypt(caddr_t, u_int8_t *);
static void skipjack_encrypt(caddr_t, u_int8_t *);
static void rijndael128_encrypt(caddr_t, u_int8_t *);
static void aes_xts_encrypt(caddr_t, u_int8_t *);
static void cml_encrypt(caddr_t, u_int8_t *);
static void null_decrypt(caddr_t, u_int8_t *);
static void des1_decrypt(caddr_t, u_int8_t *);
static void des3_decrypt(caddr_t, u_int8_t *);
static void blf_decrypt(caddr_t, u_int8_t *);
static void cast5_decrypt(caddr_t, u_int8_t *);
static void skipjack_decrypt(caddr_t, u_int8_t *);
static void rijndael128_decrypt(caddr_t, u_int8_t *);
static void aes_xts_decrypt(caddr_t, u_int8_t *);
static void cml_decrypt(caddr_t, u_int8_t *);
static void aes_icm_crypt(caddr_t, u_int8_t *);
static void null_zerokey(u_int8_t **);
static void des1_zerokey(u_int8_t **);
static void des3_zerokey(u_int8_t **);
static void blf_zerokey(u_int8_t **);
static void cast5_zerokey(u_int8_t **);
static void skipjack_zerokey(u_int8_t **);
static void rijndael128_zerokey(u_int8_t **);
static void aes_icm_zerokey(u_int8_t **);
static void aes_xts_zerokey(u_int8_t **);
static void cml_zerokey(u_int8_t **);
static void aes_icm_reinit(caddr_t, u_int8_t *);
static void aes_xts_reinit(caddr_t, u_int8_t *);
static void aes_gcm_reinit(caddr_t, u_int8_t *);
static void null_init(void *);
static void null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len);
static int null_update(void *, const u_int8_t *, u_int16_t);
static void null_final(u_int8_t *, void *);
static int MD5Update_int(void *, const u_int8_t *, u_int16_t);
static void SHA1Init_int(void *);
static int SHA1Update_int(void *, const u_int8_t *, u_int16_t);
static void SHA1Final_int(u_int8_t *, void *);
static int RMD160Update_int(void *, const u_int8_t *, u_int16_t);
static int SHA256Update_int(void *, const u_int8_t *, u_int16_t);
static int SHA384Update_int(void *, const u_int8_t *, u_int16_t);
static int SHA512Update_int(void *, const u_int8_t *, u_int16_t);
static u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **);
static u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **);
#define AESICM_BLOCKSIZE AES_BLOCK_LEN
struct aes_icm_ctx {
u_int32_t ac_ek[4*(RIJNDAEL_MAXNR + 1)];
/* ac_block is initalized to IV */
u_int8_t ac_block[AESICM_BLOCKSIZE];
int ac_nr;
};
MALLOC_DEFINE(M_XDATA, "xform", "xform data buffers");
/* Encryption instances */
struct enc_xform enc_xform_null = {
CRYPTO_NULL_CBC, "NULL",
/* NB: blocksize of 4 is to generate a properly aligned ESP header */
NULL_BLOCK_LEN, 0, NULL_MIN_KEY, NULL_MAX_KEY,
null_encrypt,
null_decrypt,
null_setkey,
null_zerokey,
NULL,
};
struct enc_xform enc_xform_des = {
CRYPTO_DES_CBC, "DES",
DES_BLOCK_LEN, DES_BLOCK_LEN, DES_MIN_KEY, DES_MAX_KEY,
des1_encrypt,
des1_decrypt,
des1_setkey,
des1_zerokey,
NULL,
};
struct enc_xform enc_xform_3des = {
CRYPTO_3DES_CBC, "3DES",
DES3_BLOCK_LEN, DES3_BLOCK_LEN, TRIPLE_DES_MIN_KEY,
TRIPLE_DES_MAX_KEY,
des3_encrypt,
des3_decrypt,
des3_setkey,
des3_zerokey,
NULL,
};
struct enc_xform enc_xform_blf = {
CRYPTO_BLF_CBC, "Blowfish",
BLOWFISH_BLOCK_LEN, BLOWFISH_BLOCK_LEN, BLOWFISH_MIN_KEY,
BLOWFISH_MAX_KEY,
blf_encrypt,
blf_decrypt,
blf_setkey,
blf_zerokey,
NULL,
};
struct enc_xform enc_xform_cast5 = {
CRYPTO_CAST_CBC, "CAST-128",
CAST128_BLOCK_LEN, CAST128_BLOCK_LEN, CAST_MIN_KEY, CAST_MAX_KEY,
cast5_encrypt,
cast5_decrypt,
cast5_setkey,
cast5_zerokey,
NULL,
};
struct enc_xform enc_xform_skipjack = {
CRYPTO_SKIPJACK_CBC, "Skipjack",
SKIPJACK_BLOCK_LEN, SKIPJACK_BLOCK_LEN, SKIPJACK_MIN_KEY,
SKIPJACK_MAX_KEY,
skipjack_encrypt,
skipjack_decrypt, skipjack_setkey,
skipjack_zerokey,
NULL,
};
struct enc_xform enc_xform_rijndael128 = {
CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES",
RIJNDAEL128_BLOCK_LEN, RIJNDAEL128_BLOCK_LEN, RIJNDAEL_MIN_KEY,
RIJNDAEL_MAX_KEY,
rijndael128_encrypt,
rijndael128_decrypt,
rijndael128_setkey,
rijndael128_zerokey,
NULL,
};
struct enc_xform enc_xform_aes_icm = {
CRYPTO_AES_ICM, "AES-ICM",
AES_BLOCK_LEN, AES_BLOCK_LEN, AES_MIN_KEY, AES_MAX_KEY,
aes_icm_crypt,
aes_icm_crypt,
aes_icm_setkey,
rijndael128_zerokey,
aes_icm_reinit,
};
struct enc_xform enc_xform_aes_nist_gcm = {
CRYPTO_AES_NIST_GCM_16, "AES-GCM",
AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY,
aes_icm_crypt,
aes_icm_crypt,
aes_icm_setkey,
aes_icm_zerokey,
aes_gcm_reinit,
};
struct enc_xform enc_xform_aes_nist_gmac = {
CRYPTO_AES_NIST_GMAC, "AES-GMAC",
AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY,
NULL,
NULL,
NULL,
NULL,
NULL,
};
struct enc_xform enc_xform_aes_xts = {
CRYPTO_AES_XTS, "AES-XTS",
AES_BLOCK_LEN, AES_XTS_IV_LEN, AES_XTS_MIN_KEY, AES_XTS_MAX_KEY,
aes_xts_encrypt,
aes_xts_decrypt,
aes_xts_setkey,
aes_xts_zerokey,
aes_xts_reinit
};
struct enc_xform enc_xform_arc4 = {
CRYPTO_ARC4, "ARC4",
ARC4_BLOCK_LEN, ARC4_IV_LEN, ARC4_MIN_KEY, ARC4_MAX_KEY,
@ -275,711 +88,26 @@ struct enc_xform enc_xform_arc4 = {
NULL,
};
struct enc_xform enc_xform_camellia = {
CRYPTO_CAMELLIA_CBC, "Camellia",
CAMELLIA_BLOCK_LEN, CAMELLIA_BLOCK_LEN, CAMELLIA_MIN_KEY,
CAMELLIA_MAX_KEY,
cml_encrypt,
cml_decrypt,
cml_setkey,
cml_zerokey,
NULL,
};
/* Authentication instances */
struct auth_hash auth_hash_null = { /* NB: context isn't used */
CRYPTO_NULL_HMAC, "NULL-HMAC",
NULL_HMAC_KEY_LEN, NULL_HASH_LEN, sizeof(int), NULL_HMAC_BLOCK_LEN,
null_init, null_reinit, null_reinit, null_update, null_final
};
/* Include the encryption algorithms */
#include "xform_null.c"
#include "xform_des1.c"
#include "xform_des3.c"
#include "xform_blf.c"
#include "xform_cast5.c"
#include "xform_skipjack.c"
#include "xform_rijndael.c"
#include "xform_aes_icm.c"
#include "xform_aes_xts.c"
#include "xform_cml.c"
/* Include the authentication and hashing algorithms */
#include "xform_gmac.c"
#include "xform_md5.c"
#include "xform_rmd160.c"
#include "xform_sha1.c"
#include "xform_sha2.c"
/* Include the compression algorithms */
#include "xform_deflate.c"
struct auth_hash auth_hash_hmac_md5 = {
CRYPTO_MD5_HMAC, "HMAC-MD5",
MD5_HMAC_KEY_LEN, MD5_HASH_LEN, sizeof(MD5_CTX), MD5_HMAC_BLOCK_LEN,
(void (*) (void *)) MD5Init, NULL, NULL, MD5Update_int,
(void (*) (u_int8_t *, void *)) MD5Final
};
struct auth_hash auth_hash_hmac_sha1 = {
CRYPTO_SHA1_HMAC, "HMAC-SHA1",
SHA1_HMAC_KEY_LEN, SHA1_HASH_LEN, sizeof(SHA1_CTX), SHA1_HMAC_BLOCK_LEN,
SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int
};
struct auth_hash auth_hash_hmac_ripemd_160 = {
CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160",
RIPEMD160_HMAC_KEY_LEN, RIPEMD160_HASH_LEN, sizeof(RMD160_CTX),
RIPEMD160_HMAC_BLOCK_LEN,
(void (*)(void *)) RMD160Init, NULL, NULL, RMD160Update_int,
(void (*)(u_int8_t *, void *)) RMD160Final
};
struct auth_hash auth_hash_key_md5 = {
CRYPTO_MD5_KPDK, "Keyed MD5",
NULL_HMAC_KEY_LEN, MD5_KPDK_HASH_LEN, sizeof(MD5_CTX), 0,
(void (*)(void *)) MD5Init, NULL, NULL, MD5Update_int,
(void (*)(u_int8_t *, void *)) MD5Final
};
struct auth_hash auth_hash_key_sha1 = {
CRYPTO_SHA1_KPDK, "Keyed SHA1",
NULL_HMAC_KEY_LEN, SHA1_KPDK_HASH_LEN, sizeof(SHA1_CTX), 0,
SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int
};
struct auth_hash auth_hash_hmac_sha2_256 = {
CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256",
SHA2_256_HMAC_KEY_LEN, SHA2_256_HASH_LEN, sizeof(SHA256_CTX),
SHA2_256_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA256_Init, NULL, NULL, SHA256Update_int,
(void (*)(u_int8_t *, void *)) SHA256_Final
};
struct auth_hash auth_hash_hmac_sha2_384 = {
CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384",
SHA2_384_HMAC_KEY_LEN, SHA2_384_HASH_LEN, sizeof(SHA384_CTX),
SHA2_384_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA384_Init, NULL, NULL, SHA384Update_int,
(void (*)(u_int8_t *, void *)) SHA384_Final
};
struct auth_hash auth_hash_hmac_sha2_512 = {
CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512",
SHA2_512_HMAC_KEY_LEN, SHA2_512_HASH_LEN, sizeof(SHA512_CTX),
SHA2_512_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA512_Init, NULL, NULL, SHA512Update_int,
(void (*)(u_int8_t *, void *)) SHA512_Final
};
struct auth_hash auth_hash_nist_gmac_aes_128 = {
CRYPTO_AES_128_NIST_GMAC, "GMAC-AES-128",
AES_128_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
GMAC_BLOCK_LEN,
(void (*)(void *)) AES_GMAC_Init,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
(int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
(void (*)(u_int8_t *, void *)) AES_GMAC_Final
};
struct auth_hash auth_hash_nist_gmac_aes_192 = {
CRYPTO_AES_192_NIST_GMAC, "GMAC-AES-192",
AES_192_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
GMAC_BLOCK_LEN,
(void (*)(void *)) AES_GMAC_Init,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
(int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
(void (*)(u_int8_t *, void *)) AES_GMAC_Final
};
struct auth_hash auth_hash_nist_gmac_aes_256 = {
CRYPTO_AES_256_NIST_GMAC, "GMAC-AES-256",
AES_256_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
GMAC_BLOCK_LEN,
(void (*)(void *)) AES_GMAC_Init,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
(int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
(void (*)(u_int8_t *, void *)) AES_GMAC_Final
};
/* Compression instance */
struct comp_algo comp_algo_deflate = {
CRYPTO_DEFLATE_COMP, "Deflate",
90, deflate_compress,
deflate_decompress
};
/*
* Encryption wrapper routines.
*/
static void
null_encrypt(caddr_t key, u_int8_t *blk)
{
}
static void
null_decrypt(caddr_t key, u_int8_t *blk)
{
}
static int
null_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
*sched = NULL;
return 0;
}
static void
null_zerokey(u_int8_t **sched)
{
*sched = NULL;
}
static void
des1_encrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT);
}
static void
des1_decrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT);
}
static int
des1_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
des_key_schedule *p;
int err;
p = malloc(sizeof (des_key_schedule),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (p != NULL) {
des_set_key((des_cblock *) key, p[0]);
err = 0;
} else
err = ENOMEM;
*sched = (u_int8_t *) p;
return err;
}
static void
des1_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof (des_key_schedule));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
static void
des3_encrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT);
}
static void
des3_decrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT);
}
static int
des3_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
des_key_schedule *p;
int err;
p = malloc(3*sizeof (des_key_schedule),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (p != NULL) {
des_set_key((des_cblock *)(key + 0), p[0]);
des_set_key((des_cblock *)(key + 8), p[1]);
des_set_key((des_cblock *)(key + 16), p[2]);
err = 0;
} else
err = ENOMEM;
*sched = (u_int8_t *) p;
return err;
}
static void
des3_zerokey(u_int8_t **sched)
{
bzero(*sched, 3*sizeof (des_key_schedule));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
static void
blf_encrypt(caddr_t key, u_int8_t *blk)
{
BF_LONG t[2];
memcpy(t, blk, sizeof (t));
t[0] = ntohl(t[0]);
t[1] = ntohl(t[1]);
/* NB: BF_encrypt expects the block in host order! */
BF_encrypt(t, (BF_KEY *) key);
t[0] = htonl(t[0]);
t[1] = htonl(t[1]);
memcpy(blk, t, sizeof (t));
}
static void
blf_decrypt(caddr_t key, u_int8_t *blk)
{
BF_LONG t[2];
memcpy(t, blk, sizeof (t));
t[0] = ntohl(t[0]);
t[1] = ntohl(t[1]);
/* NB: BF_decrypt expects the block in host order! */
BF_decrypt(t, (BF_KEY *) key);
t[0] = htonl(t[0]);
t[1] = htonl(t[1]);
memcpy(blk, t, sizeof (t));
}
static int
blf_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
*sched = malloc(sizeof(BF_KEY),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (*sched != NULL) {
BF_set_key((BF_KEY *) *sched, len, key);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
blf_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(BF_KEY));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
static void
cast5_encrypt(caddr_t key, u_int8_t *blk)
{
cast_encrypt((cast_key *) key, blk, blk);
}
static void
cast5_decrypt(caddr_t key, u_int8_t *blk)
{
cast_decrypt((cast_key *) key, blk, blk);
}
static int
cast5_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
*sched = malloc(sizeof(cast_key), M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (*sched != NULL) {
cast_setkey((cast_key *)*sched, key, len);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
cast5_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(cast_key));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
static void
skipjack_encrypt(caddr_t key, u_int8_t *blk)
{
skipjack_forwards(blk, blk, (u_int8_t **) key);
}
static void
skipjack_decrypt(caddr_t key, u_int8_t *blk)
{
skipjack_backwards(blk, blk, (u_int8_t **) key);
}
static int
skipjack_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
/* NB: allocate all the memory that's needed at once */
*sched = malloc(10 * (sizeof(u_int8_t *) + 0x100),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (*sched != NULL) {
u_int8_t** key_tables = (u_int8_t**) *sched;
u_int8_t* table = (u_int8_t*) &key_tables[10];
int k;
for (k = 0; k < 10; k++) {
key_tables[k] = table;
table += 0x100;
}
subkey_table_gen(key, (u_int8_t **) *sched);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
skipjack_zerokey(u_int8_t **sched)
{
bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
static void
rijndael128_encrypt(caddr_t key, u_int8_t *blk)
{
rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk);
}
static void
rijndael128_decrypt(caddr_t key, u_int8_t *blk)
{
rijndael_decrypt(((rijndael_ctx *) key), (u_char *) blk,
(u_char *) blk);
}
static int
rijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
if (len != 16 && len != 24 && len != 32)
return (EINVAL);
*sched = malloc(sizeof(rijndael_ctx), M_CRYPTO_DATA,
M_NOWAIT|M_ZERO);
if (*sched != NULL) {
rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key,
len * 8);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
rijndael128_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(rijndael_ctx));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
void
aes_icm_reinit(caddr_t key, u_int8_t *iv)
{
struct aes_icm_ctx *ctx;
ctx = (struct aes_icm_ctx *)key;
bcopy(iv, ctx->ac_block, AESICM_BLOCKSIZE);
}
void
aes_gcm_reinit(caddr_t key, u_int8_t *iv)
{
struct aes_icm_ctx *ctx;
aes_icm_reinit(key, iv);
ctx = (struct aes_icm_ctx *)key;
/* GCM starts with 2 as counter 1 is used for final xor of tag. */
bzero(&ctx->ac_block[AESICM_BLOCKSIZE - 4], 4);
ctx->ac_block[AESICM_BLOCKSIZE - 1] = 2;
}
void
aes_icm_crypt(caddr_t key, u_int8_t *data)
{
struct aes_icm_ctx *ctx;
u_int8_t keystream[AESICM_BLOCKSIZE];
int i;
ctx = (struct aes_icm_ctx *)key;
rijndaelEncrypt(ctx->ac_ek, ctx->ac_nr, ctx->ac_block, keystream);
for (i = 0; i < AESICM_BLOCKSIZE; i++)
data[i] ^= keystream[i];
explicit_bzero(keystream, sizeof(keystream));
/* increment counter */
for (i = AESICM_BLOCKSIZE - 1;
i >= 0; i--)
if (++ctx->ac_block[i]) /* continue on overflow */
break;
}
int
aes_icm_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
struct aes_icm_ctx *ctx;
if (len != 16 && len != 24 && len != 32)
return EINVAL;
*sched = malloc(sizeof(struct aes_icm_ctx), M_CRYPTO_DATA,
M_NOWAIT | M_ZERO);
if (*sched == NULL)
return ENOMEM;
ctx = (struct aes_icm_ctx *)*sched;
ctx->ac_nr = rijndaelKeySetupEnc(ctx->ac_ek, (u_char *)key, len * 8);
return 0;
}
void
aes_icm_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(struct aes_icm_ctx));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
#define AES_XTS_BLOCKSIZE 16
#define AES_XTS_IVSIZE 8
#define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */
struct aes_xts_ctx {
rijndael_ctx key1;
rijndael_ctx key2;
u_int8_t tweak[AES_XTS_BLOCKSIZE];
};
void
aes_xts_reinit(caddr_t key, u_int8_t *iv)
{
struct aes_xts_ctx *ctx = (struct aes_xts_ctx *)key;
u_int64_t blocknum;
u_int i;
/*
* Prepare tweak as E_k2(IV). IV is specified as LE representation
* of a 64-bit block number which we allow to be passed in directly.
*/
bcopy(iv, &blocknum, AES_XTS_IVSIZE);
for (i = 0; i < AES_XTS_IVSIZE; i++) {
ctx->tweak[i] = blocknum & 0xff;
blocknum >>= 8;
}
/* Last 64 bits of IV are always zero */
bzero(ctx->tweak + AES_XTS_IVSIZE, AES_XTS_IVSIZE);
rijndael_encrypt(&ctx->key2, ctx->tweak, ctx->tweak);
}
static void
aes_xts_crypt(struct aes_xts_ctx *ctx, u_int8_t *data, u_int do_encrypt)
{
u_int8_t block[AES_XTS_BLOCKSIZE];
u_int i, carry_in, carry_out;
for (i = 0; i < AES_XTS_BLOCKSIZE; i++)
block[i] = data[i] ^ ctx->tweak[i];
if (do_encrypt)
rijndael_encrypt(&ctx->key1, block, data);
else
rijndael_decrypt(&ctx->key1, block, data);
for (i = 0; i < AES_XTS_BLOCKSIZE; i++)
data[i] ^= ctx->tweak[i];
/* Exponentiate tweak */
carry_in = 0;
for (i = 0; i < AES_XTS_BLOCKSIZE; i++) {
carry_out = ctx->tweak[i] & 0x80;
ctx->tweak[i] = (ctx->tweak[i] << 1) | (carry_in ? 1 : 0);
carry_in = carry_out;
}
if (carry_in)
ctx->tweak[0] ^= AES_XTS_ALPHA;
bzero(block, sizeof(block));
}
void
aes_xts_encrypt(caddr_t key, u_int8_t *data)
{
aes_xts_crypt((struct aes_xts_ctx *)key, data, 1);
}
void
aes_xts_decrypt(caddr_t key, u_int8_t *data)
{
aes_xts_crypt((struct aes_xts_ctx *)key, data, 0);
}
int
aes_xts_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
struct aes_xts_ctx *ctx;
if (len != 32 && len != 64)
return EINVAL;
*sched = malloc(sizeof(struct aes_xts_ctx), M_CRYPTO_DATA,
M_NOWAIT | M_ZERO);
if (*sched == NULL)
return ENOMEM;
ctx = (struct aes_xts_ctx *)*sched;
rijndael_set_key(&ctx->key1, key, len * 4);
rijndael_set_key(&ctx->key2, key + (len / 2), len * 4);
return 0;
}
void
aes_xts_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(struct aes_xts_ctx));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
static void
cml_encrypt(caddr_t key, u_int8_t *blk)
{
camellia_encrypt((camellia_ctx *) key, (u_char *) blk, (u_char *) blk);
}
static void
cml_decrypt(caddr_t key, u_int8_t *blk)
{
camellia_decrypt(((camellia_ctx *) key), (u_char *) blk,
(u_char *) blk);
}
static int
cml_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
if (len != 16 && len != 24 && len != 32)
return (EINVAL);
*sched = malloc(sizeof(camellia_ctx), M_CRYPTO_DATA,
M_NOWAIT|M_ZERO);
if (*sched != NULL) {
camellia_set_key((camellia_ctx *) *sched, (u_char *) key,
len * 8);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
cml_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(camellia_ctx));
free(*sched, M_CRYPTO_DATA);
*sched = NULL;
}
/*
* And now for auth.
*/
static void
null_init(void *ctx)
{
}
static void
null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len)
{
}
static int
null_update(void *ctx, const u_int8_t *buf, u_int16_t len)
{
return 0;
}
static void
null_final(u_int8_t *buf, void *ctx)
{
if (buf != (u_int8_t *) 0)
bzero(buf, 12);
}
static int
RMD160Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
RMD160Update(ctx, buf, len);
return 0;
}
static int
MD5Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
MD5Update(ctx, buf, len);
return 0;
}
static void
SHA1Init_int(void *ctx)
{
SHA1Init(ctx);
}
static int
SHA1Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA1Update(ctx, buf, len);
return 0;
}
static void
SHA1Final_int(u_int8_t *blk, void *ctx)
{
SHA1Final(blk, ctx);
}
static int
SHA256Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA256_Update(ctx, buf, len);
return 0;
}
static int
SHA384Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA384_Update(ctx, buf, len);
return 0;
}
static int
SHA512Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA512_Update(ctx, buf, len);
return 0;
}
/*
* And compression
*/
static u_int32_t
deflate_compress(data, size, out)
u_int8_t *data;
u_int32_t size;
u_int8_t **out;
{
return deflate_global(data, size, 0, out);
}
static u_int32_t
deflate_decompress(data, size, out)
u_int8_t *data;
u_int32_t size;
u_int8_t **out;
{
return deflate_global(data, size, 1, out);
}

80
sys/opencrypto/xform.h
View File

@ -39,83 +39,9 @@
#include <opencrypto/rmd160.h>
#include <opencrypto/gmac.h>
/* Declarations */
struct auth_hash {
int type;
char *name;
u_int16_t keysize;
u_int16_t hashsize;
u_int16_t ctxsize;
u_int16_t blocksize;
void (*Init) (void *);
void (*Setkey) (void *, const u_int8_t *, u_int16_t);
void (*Reinit) (void *, const u_int8_t *, u_int16_t);
int (*Update) (void *, const u_int8_t *, u_int16_t);
void (*Final) (u_int8_t *, void *);
};
/* XXX use a define common with other hash stuff ! */
#define AH_ALEN_MAX 64 /* max authenticator hash length */
struct enc_xform {
int type;
char *name;
u_int16_t blocksize;
u_int16_t ivsize;
u_int16_t minkey, maxkey;
void (*encrypt) (caddr_t, u_int8_t *);
void (*decrypt) (caddr_t, u_int8_t *);
int (*setkey) (u_int8_t **, u_int8_t *, int len);
void (*zerokey) (u_int8_t **);
void (*reinit) (caddr_t, u_int8_t *);
};
struct comp_algo {
int type;
char *name;
size_t minlen;
u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
};
union authctx {
MD5_CTX md5ctx;
SHA1_CTX sha1ctx;
RMD160_CTX rmd160ctx;
SHA256_CTX sha256ctx;
SHA384_CTX sha384ctx;
SHA512_CTX sha512ctx;
struct aes_gmac_ctx aes_gmac_ctx;
};
extern struct enc_xform enc_xform_null;
extern struct enc_xform enc_xform_des;
extern struct enc_xform enc_xform_3des;
extern struct enc_xform enc_xform_blf;
extern struct enc_xform enc_xform_cast5;
extern struct enc_xform enc_xform_skipjack;
extern struct enc_xform enc_xform_rijndael128;
extern struct enc_xform enc_xform_aes_icm;
extern struct enc_xform enc_xform_aes_nist_gcm;
extern struct enc_xform enc_xform_aes_nist_gmac;
extern struct enc_xform enc_xform_aes_xts;
extern struct enc_xform enc_xform_arc4;
extern struct enc_xform enc_xform_camellia;
extern struct auth_hash auth_hash_null;
extern struct auth_hash auth_hash_key_md5;
extern struct auth_hash auth_hash_key_sha1;
extern struct auth_hash auth_hash_hmac_md5;
extern struct auth_hash auth_hash_hmac_sha1;
extern struct auth_hash auth_hash_hmac_ripemd_160;
extern struct auth_hash auth_hash_hmac_sha2_256;
extern struct auth_hash auth_hash_hmac_sha2_384;
extern struct auth_hash auth_hash_hmac_sha2_512;
extern struct auth_hash auth_hash_nist_gmac_aes_128;
extern struct auth_hash auth_hash_nist_gmac_aes_192;
extern struct auth_hash auth_hash_nist_gmac_aes_256;
extern struct comp_algo comp_algo_deflate;
#include <opencrypto/xform_auth.h>
#include <opencrypto/xform_comp.h>
#include <opencrypto/xform_enc.h>
#ifdef _KERNEL
#include <sys/malloc.h>

152
sys/opencrypto/xform_aes_icm.c Normal file
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@ -0,0 +1,152 @@
/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/xform_enc.h>
static int aes_icm_setkey(u_int8_t **, u_int8_t *, int);
static void aes_icm_crypt(caddr_t, u_int8_t *);
static void aes_icm_zerokey(u_int8_t **);
static void aes_icm_reinit(caddr_t, u_int8_t *);
static void aes_gcm_reinit(caddr_t, u_int8_t *);
/* Encryption instances */
struct enc_xform enc_xform_aes_icm = {
CRYPTO_AES_ICM, "AES-ICM",
AES_BLOCK_LEN, AES_BLOCK_LEN, AES_MIN_KEY, AES_MAX_KEY,
aes_icm_crypt,
aes_icm_crypt,
aes_icm_setkey,
rijndael128_zerokey,
aes_icm_reinit,
};
struct enc_xform enc_xform_aes_nist_gcm = {
CRYPTO_AES_NIST_GCM_16, "AES-GCM",
AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY,
aes_icm_crypt,
aes_icm_crypt,
aes_icm_setkey,
aes_icm_zerokey,
aes_gcm_reinit,
};
/*
* Encryption wrapper routines.
*/
static void
aes_icm_reinit(caddr_t key, u_int8_t *iv)
{
struct aes_icm_ctx *ctx;
ctx = (struct aes_icm_ctx *)key;
bcopy(iv, ctx->ac_block, AESICM_BLOCKSIZE);
}
static void
aes_gcm_reinit(caddr_t key, u_int8_t *iv)
{
struct aes_icm_ctx *ctx;
aes_icm_reinit(key, iv);
ctx = (struct aes_icm_ctx *)key;
/* GCM starts with 2 as counter 1 is used for final xor of tag. */
bzero(&ctx->ac_block[AESICM_BLOCKSIZE - 4], 4);
ctx->ac_block[AESICM_BLOCKSIZE - 1] = 2;
}
static void
aes_icm_crypt(caddr_t key, u_int8_t *data)
{
struct aes_icm_ctx *ctx;
u_int8_t keystream[AESICM_BLOCKSIZE];
int i;
ctx = (struct aes_icm_ctx *)key;
rijndaelEncrypt(ctx->ac_ek, ctx->ac_nr, ctx->ac_block, keystream);
for (i = 0; i < AESICM_BLOCKSIZE; i++)
data[i] ^= keystream[i];
explicit_bzero(keystream, sizeof(keystream));
/* increment counter */
for (i = AESICM_BLOCKSIZE - 1;
i >= 0; i--)
if (++ctx->ac_block[i]) /* continue on overflow */
break;
}
static int
aes_icm_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
struct aes_icm_ctx *ctx;
if (len != 16 && len != 24 && len != 32)
return EINVAL;
*sched = KMALLOC(sizeof(struct aes_icm_ctx), M_CRYPTO_DATA,
M_NOWAIT | M_ZERO);
if (*sched == NULL)
return ENOMEM;
ctx = (struct aes_icm_ctx *)*sched;
ctx->ac_nr = rijndaelKeySetupEnc(ctx->ac_ek, (u_char *)key, len * 8);
return 0;
}
static void
aes_icm_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(struct aes_icm_ctx));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

164
sys/opencrypto/xform_aes_xts.c Normal file
View File

@ -0,0 +1,164 @@
/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/xform_enc.h>
static int aes_xts_setkey(u_int8_t **, u_int8_t *, int);
static void aes_xts_encrypt(caddr_t, u_int8_t *);
static void aes_xts_decrypt(caddr_t, u_int8_t *);
static void aes_xts_zerokey(u_int8_t **);
static void aes_xts_reinit(caddr_t, u_int8_t *);
/* Encryption instances */
struct enc_xform enc_xform_aes_xts = {
CRYPTO_AES_XTS, "AES-XTS",
AES_BLOCK_LEN, AES_XTS_IV_LEN, AES_XTS_MIN_KEY, AES_XTS_MAX_KEY,
aes_xts_encrypt,
aes_xts_decrypt,
aes_xts_setkey,
aes_xts_zerokey,
aes_xts_reinit
};
/*
* Encryption wrapper routines.
*/
static void
aes_xts_reinit(caddr_t key, u_int8_t *iv)
{
struct aes_xts_ctx *ctx = (struct aes_xts_ctx *)key;
u_int64_t blocknum;
u_int i;
/*
* Prepare tweak as E_k2(IV). IV is specified as LE representation
* of a 64-bit block number which we allow to be passed in directly.
*/
bcopy(iv, &blocknum, AES_XTS_IVSIZE);
for (i = 0; i < AES_XTS_IVSIZE; i++) {
ctx->tweak[i] = blocknum & 0xff;
blocknum >>= 8;
}
/* Last 64 bits of IV are always zero */
bzero(ctx->tweak + AES_XTS_IVSIZE, AES_XTS_IVSIZE);
rijndael_encrypt(&ctx->key2, ctx->tweak, ctx->tweak);
}
static void
aes_xts_crypt(struct aes_xts_ctx *ctx, u_int8_t *data, u_int do_encrypt)
{
u_int8_t block[AES_XTS_BLOCKSIZE];
u_int i, carry_in, carry_out;
for (i = 0; i < AES_XTS_BLOCKSIZE; i++)
block[i] = data[i] ^ ctx->tweak[i];
if (do_encrypt)
rijndael_encrypt(&ctx->key1, block, data);
else
rijndael_decrypt(&ctx->key1, block, data);
for (i = 0; i < AES_XTS_BLOCKSIZE; i++)
data[i] ^= ctx->tweak[i];
/* Exponentiate tweak */
carry_in = 0;
for (i = 0; i < AES_XTS_BLOCKSIZE; i++) {
carry_out = ctx->tweak[i] & 0x80;
ctx->tweak[i] = (ctx->tweak[i] << 1) | (carry_in ? 1 : 0);
carry_in = carry_out;
}
if (carry_in)
ctx->tweak[0] ^= AES_XTS_ALPHA;
bzero(block, sizeof(block));
}
static void
aes_xts_encrypt(caddr_t key, u_int8_t *data)
{
aes_xts_crypt((struct aes_xts_ctx *)key, data, 1);
}
static void
aes_xts_decrypt(caddr_t key, u_int8_t *data)
{
aes_xts_crypt((struct aes_xts_ctx *)key, data, 0);
}
static int
aes_xts_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
struct aes_xts_ctx *ctx;
if (len != 32 && len != 64)
return EINVAL;
*sched = KMALLOC(sizeof(struct aes_xts_ctx), M_CRYPTO_DATA,
M_NOWAIT | M_ZERO);
if (*sched == NULL)
return ENOMEM;
ctx = (struct aes_xts_ctx *)*sched;
rijndael_set_key(&ctx->key1, key, len * 4);
rijndael_set_key(&ctx->key2, key + (len / 2), len * 4);
return 0;
}
static void
aes_xts_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(struct aes_xts_ctx));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

89
sys/opencrypto/xform_auth.h Normal file
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@ -0,0 +1,89 @@
/* $FreeBSD$ */
/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */
/*-
* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
*
* This code was written by Angelos D. Keromytis in Athens, Greece, in
* February 2000. Network Security Technologies Inc. (NSTI) kindly
* supported the development of this code.
*
* Copyright (c) 2000 Angelos D. Keromytis
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software without fee
* is hereby granted, provided that this entire notice is included in
* all source code copies of any software which is or includes a copy or
* modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#ifndef _CRYPTO_XFORM_AUTH_H_
#define _CRYPTO_XFORM_AUTH_H_
#include <sys/malloc.h>
#include <sys/errno.h>
#include <sys/md5.h>
#include <crypto/sha1.h>
#include <crypto/sha2/sha256.h>
#include <crypto/sha2/sha384.h>
#include <crypto/sha2/sha512.h>
#include <opencrypto/rmd160.h>
#include <opencrypto/gmac.h>
#include <opencrypto/cryptodev.h>
#include <opencrypto/xform_userland.h>
/* XXX use a define common with other hash stuff ! */
#define AH_ALEN_MAX 64 /* max authenticator hash length */
/* Declarations */
struct auth_hash {
int type;
char *name;
u_int16_t keysize;
u_int16_t hashsize;
u_int16_t ctxsize;
u_int16_t blocksize;
void (*Init) (void *);
void (*Setkey) (void *, const u_int8_t *, u_int16_t);
void (*Reinit) (void *, const u_int8_t *, u_int16_t);
int (*Update) (void *, const u_int8_t *, u_int16_t);
void (*Final) (u_int8_t *, void *);
};
extern struct auth_hash auth_hash_null;
extern struct auth_hash auth_hash_key_md5;
extern struct auth_hash auth_hash_key_sha1;
extern struct auth_hash auth_hash_hmac_md5;
extern struct auth_hash auth_hash_hmac_sha1;
extern struct auth_hash auth_hash_hmac_ripemd_160;
extern struct auth_hash auth_hash_hmac_sha2_256;
extern struct auth_hash auth_hash_hmac_sha2_384;
extern struct auth_hash auth_hash_hmac_sha2_512;
extern struct auth_hash auth_hash_nist_gmac_aes_128;
extern struct auth_hash auth_hash_nist_gmac_aes_192;
extern struct auth_hash auth_hash_nist_gmac_aes_256;
union authctx {
MD5_CTX md5ctx;
SHA1_CTX sha1ctx;
RMD160_CTX rmd160ctx;
SHA256_CTX sha256ctx;
SHA384_CTX sha384ctx;
SHA512_CTX sha512ctx;
struct aes_gmac_ctx aes_gmac_ctx;
};
#endif /* _CRYPTO_XFORM_AUTH_H_ */

127
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/blowfish/blowfish.h>
#include <opencrypto/xform_enc.h>
static int blf_setkey(u_int8_t **, u_int8_t *, int);
static void blf_encrypt(caddr_t, u_int8_t *);
static void blf_decrypt(caddr_t, u_int8_t *);
static void blf_zerokey(u_int8_t **);
/* Encryption instances */
struct enc_xform enc_xform_blf = {
CRYPTO_BLF_CBC, "Blowfish",
BLOWFISH_BLOCK_LEN, BLOWFISH_BLOCK_LEN, BLOWFISH_MIN_KEY,
BLOWFISH_MAX_KEY,
blf_encrypt,
blf_decrypt,
blf_setkey,
blf_zerokey,
NULL,
};
/*
* Encryption wrapper routines.
*/
static void
blf_encrypt(caddr_t key, u_int8_t *blk)
{
BF_LONG t[2];
memcpy(t, blk, sizeof (t));
t[0] = ntohl(t[0]);
t[1] = ntohl(t[1]);
/* NB: BF_encrypt expects the block in host order! */
BF_encrypt(t, (BF_KEY *) key);
t[0] = htonl(t[0]);
t[1] = htonl(t[1]);
memcpy(blk, t, sizeof (t));
}
static void
blf_decrypt(caddr_t key, u_int8_t *blk)
{
BF_LONG t[2];
memcpy(t, blk, sizeof (t));
t[0] = ntohl(t[0]);
t[1] = ntohl(t[1]);
/* NB: BF_decrypt expects the block in host order! */
BF_decrypt(t, (BF_KEY *) key);
t[0] = htonl(t[0]);
t[1] = htonl(t[1]);
memcpy(blk, t, sizeof (t));
}
static int
blf_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
*sched = KMALLOC(sizeof(BF_KEY),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (*sched != NULL) {
BF_set_key((BF_KEY *) *sched, len, key);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
blf_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(BF_KEY));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

107
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/cast.h>
#include <opencrypto/xform_enc.h>
static int cast5_setkey(u_int8_t **, u_int8_t *, int);
static void cast5_encrypt(caddr_t, u_int8_t *);
static void cast5_decrypt(caddr_t, u_int8_t *);
static void cast5_zerokey(u_int8_t **);
/* Encryption instances */
struct enc_xform enc_xform_cast5 = {
CRYPTO_CAST_CBC, "CAST-128",
CAST128_BLOCK_LEN, CAST128_BLOCK_LEN, CAST_MIN_KEY, CAST_MAX_KEY,
cast5_encrypt,
cast5_decrypt,
cast5_setkey,
cast5_zerokey,
NULL,
};
/*
* Encryption wrapper routines.
*/
static void
cast5_encrypt(caddr_t key, u_int8_t *blk)
{
cast_encrypt((cast_key *) key, blk, blk);
}
static void
cast5_decrypt(caddr_t key, u_int8_t *blk)
{
cast_decrypt((cast_key *) key, blk, blk);
}
static int
cast5_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
*sched = KMALLOC(sizeof(cast_key), M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (*sched != NULL) {
cast_setkey((cast_key *)*sched, key, len);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
cast5_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(cast_key));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

113
sys/opencrypto/xform_cml.c Normal file
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/camellia/camellia.h>
#include <opencrypto/xform_enc.h>
static int cml_setkey(u_int8_t **, u_int8_t *, int);
static void cml_encrypt(caddr_t, u_int8_t *);
static void cml_decrypt(caddr_t, u_int8_t *);
static void cml_zerokey(u_int8_t **);
/* Encryption instances */
struct enc_xform enc_xform_camellia = {
CRYPTO_CAMELLIA_CBC, "Camellia",
CAMELLIA_BLOCK_LEN, CAMELLIA_BLOCK_LEN, CAMELLIA_MIN_KEY,
CAMELLIA_MAX_KEY,
cml_encrypt,
cml_decrypt,
cml_setkey,
cml_zerokey,
NULL,
};
/*
* Encryption wrapper routines.
*/
static void
cml_encrypt(caddr_t key, u_int8_t *blk)
{
camellia_encrypt((camellia_ctx *) key, (u_char *) blk, (u_char *) blk);
}
static void
cml_decrypt(caddr_t key, u_int8_t *blk)
{
camellia_decrypt(((camellia_ctx *) key), (u_char *) blk,
(u_char *) blk);
}
static int
cml_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
if (len != 16 && len != 24 && len != 32)
return (EINVAL);
*sched = KMALLOC(sizeof(camellia_ctx), M_CRYPTO_DATA,
M_NOWAIT|M_ZERO);
if (*sched != NULL) {
camellia_set_key((camellia_ctx *) *sched, (u_char *) key,
len * 8);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
cml_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(camellia_ctx));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

52
sys/opencrypto/xform_comp.h Normal file
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/* $FreeBSD$ */
/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */
/*-
* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
*
* This code was written by Angelos D. Keromytis in Athens, Greece, in
* February 2000. Network Security Technologies Inc. (NSTI) kindly
* supported the development of this code.
*
* Copyright (c) 2000 Angelos D. Keromytis
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software without fee
* is hereby granted, provided that this entire notice is included in
* all source code copies of any software which is or includes a copy or
* modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#ifndef _CRYPTO_XFORM_COMP_H_
#define _CRYPTO_XFORM_COMP_H_
#include <sys/malloc.h>
#include <sys/errno.h>
#include <opencrypto/deflate.h>
#include <opencrypto/cryptodev.h>
#include <opencrypto/xform_userland.h>
/* Declarations */
struct comp_algo {
int type;
char *name;
size_t minlen;
u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
};
extern struct comp_algo comp_algo_deflate;
#endif /* _CRYPTO_XFORM_COMP_H_ */

86
sys/opencrypto/xform_deflate.c Normal file
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@ -0,0 +1,86 @@
/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/deflate.h>
#include <opencrypto/xform_comp.h>
static u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **);
static u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **);
/* Compression instance */
struct comp_algo comp_algo_deflate = {
CRYPTO_DEFLATE_COMP, "Deflate",
90, deflate_compress,
deflate_decompress
};
/*
* And compression
*/
static u_int32_t
deflate_compress(data, size, out)
u_int8_t *data;
u_int32_t size;
u_int8_t **out;
{
return deflate_global(data, size, 0, out);
}
static u_int32_t
deflate_decompress(data, size, out)
u_int8_t *data;
u_int32_t size;
u_int8_t **out;
{
return deflate_global(data, size, 1, out);
}

116
sys/opencrypto/xform_des1.c Normal file
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/des/des.h>
#include <opencrypto/xform_enc.h>
static int des1_setkey(u_int8_t **, u_int8_t *, int);
static void des1_encrypt(caddr_t, u_int8_t *);
static void des1_decrypt(caddr_t, u_int8_t *);
static void des1_zerokey(u_int8_t **);
/* Encryption instances */
struct enc_xform enc_xform_des = {
CRYPTO_DES_CBC, "DES",
DES_BLOCK_LEN, DES_BLOCK_LEN, DES_MIN_KEY, DES_MAX_KEY,
des1_encrypt,
des1_decrypt,
des1_setkey,
des1_zerokey,
NULL,
};
/*
* Encryption wrapper routines.
*/
static void
des1_encrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT);
}
static void
des1_decrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT);
}
static int
des1_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
des_key_schedule *p;
int err;
p = KMALLOC(sizeof (des_key_schedule),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (p != NULL) {
des_set_key((des_cblock *) key, p[0]);
err = 0;
} else
err = ENOMEM;
*sched = (u_int8_t *) p;
return err;
}
static void
des1_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof (des_key_schedule));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

119
sys/opencrypto/xform_des3.c Normal file
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@ -0,0 +1,119 @@
/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/des/des.h>
#include <opencrypto/xform_enc.h>
static int des3_setkey(u_int8_t **, u_int8_t *, int);
static void des3_encrypt(caddr_t, u_int8_t *);
static void des3_decrypt(caddr_t, u_int8_t *);
static void des3_zerokey(u_int8_t **);
/* Encryption instances */
struct enc_xform enc_xform_3des = {
CRYPTO_3DES_CBC, "3DES",
DES3_BLOCK_LEN, DES3_BLOCK_LEN, TRIPLE_DES_MIN_KEY,
TRIPLE_DES_MAX_KEY,
des3_encrypt,
des3_decrypt,
des3_setkey,
des3_zerokey,
NULL,
};
/*
* Encryption wrapper routines.
*/
static void
des3_encrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_ENCRYPT);
}
static void
des3_decrypt(caddr_t key, u_int8_t *blk)
{
des_cblock *cb = (des_cblock *) blk;
des_key_schedule *p = (des_key_schedule *) key;
des_ecb3_encrypt(cb, cb, p[0], p[1], p[2], DES_DECRYPT);
}
static int
des3_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
des_key_schedule *p;
int err;
p = KMALLOC(3*sizeof (des_key_schedule),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (p != NULL) {
des_set_key((des_cblock *)(key + 0), p[0]);
des_set_key((des_cblock *)(key + 8), p[1]);
des_set_key((des_cblock *)(key + 16), p[2]);
err = 0;
} else
err = ENOMEM;
*sched = (u_int8_t *) p;
return err;
}
static void
des3_zerokey(u_int8_t **sched)
{
bzero(*sched, 3*sizeof (des_key_schedule));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

92
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/* $FreeBSD$ */
/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */
/*-
* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
*
* This code was written by Angelos D. Keromytis in Athens, Greece, in
* February 2000. Network Security Technologies Inc. (NSTI) kindly
* supported the development of this code.
*
* Copyright (c) 2000 Angelos D. Keromytis
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software without fee
* is hereby granted, provided that this entire notice is included in
* all source code copies of any software which is or includes a copy or
* modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#ifndef _CRYPTO_XFORM_ENC_H_
#define _CRYPTO_XFORM_ENC_H_
#include <sys/malloc.h>
#include <sys/errno.h>
#include <crypto/blowfish/blowfish.h>
#include <crypto/des/des.h>
#include <crypto/rijndael/rijndael.h>
#include <crypto/camellia/camellia.h>
#include <opencrypto/cast.h>
#include <opencrypto/skipjack.h>
#include <opencrypto/cryptodev.h>
#include <opencrypto/xform_userland.h>
#define AESICM_BLOCKSIZE AES_BLOCK_LEN
#define AES_XTS_BLOCKSIZE 16
#define AES_XTS_IVSIZE 8
#define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */
/* Declarations */
struct enc_xform {
int type;
char *name;
u_int16_t blocksize;
u_int16_t ivsize;
u_int16_t minkey, maxkey;
void (*encrypt) (caddr_t, u_int8_t *);
void (*decrypt) (caddr_t, u_int8_t *);
int (*setkey) (u_int8_t **, u_int8_t *, int len);
void (*zerokey) (u_int8_t **);
void (*reinit) (caddr_t, u_int8_t *);
};
extern struct enc_xform enc_xform_null;
extern struct enc_xform enc_xform_des;
extern struct enc_xform enc_xform_3des;
extern struct enc_xform enc_xform_blf;
extern struct enc_xform enc_xform_cast5;
extern struct enc_xform enc_xform_skipjack;
extern struct enc_xform enc_xform_rijndael128;
extern struct enc_xform enc_xform_aes_icm;
extern struct enc_xform enc_xform_aes_nist_gcm;
extern struct enc_xform enc_xform_aes_nist_gmac;
extern struct enc_xform enc_xform_aes_xts;
extern struct enc_xform enc_xform_arc4;
extern struct enc_xform enc_xform_camellia;
struct aes_icm_ctx {
u_int32_t ac_ek[4*(RIJNDAEL_MAXNR + 1)];
/* ac_block is initalized to IV */
u_int8_t ac_block[AESICM_BLOCKSIZE];
int ac_nr;
};
struct aes_xts_ctx {
rijndael_ctx key1;
rijndael_ctx key2;
u_int8_t tweak[AES_XTS_BLOCKSIZE];
};
#endif /* _CRYPTO_XFORM_ENC_H_ */

99
sys/opencrypto/xform_gmac.c Normal file
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/gmac.h>
#include <opencrypto/xform_auth.h>
/* Encryption instances */
struct enc_xform enc_xform_aes_nist_gmac = {
CRYPTO_AES_NIST_GMAC, "AES-GMAC",
AES_ICM_BLOCK_LEN, AES_GCM_IV_LEN, AES_MIN_KEY, AES_MAX_KEY,
NULL,
NULL,
NULL,
NULL,
NULL,
};
/* Authentication instances */
struct auth_hash auth_hash_nist_gmac_aes_128 = {
CRYPTO_AES_128_NIST_GMAC, "GMAC-AES-128",
AES_128_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
GMAC_BLOCK_LEN,
(void (*)(void *)) AES_GMAC_Init,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
(int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
(void (*)(u_int8_t *, void *)) AES_GMAC_Final
};
struct auth_hash auth_hash_nist_gmac_aes_192 = {
CRYPTO_AES_192_NIST_GMAC, "GMAC-AES-192",
AES_192_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
GMAC_BLOCK_LEN,
(void (*)(void *)) AES_GMAC_Init,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
(int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
(void (*)(u_int8_t *, void *)) AES_GMAC_Final
};
struct auth_hash auth_hash_nist_gmac_aes_256 = {
CRYPTO_AES_256_NIST_GMAC, "GMAC-AES-256",
AES_256_GMAC_KEY_LEN, AES_GMAC_HASH_LEN, sizeof(struct aes_gmac_ctx),
GMAC_BLOCK_LEN,
(void (*)(void *)) AES_GMAC_Init,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Setkey,
(void (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Reinit,
(int (*)(void *, const u_int8_t *, u_int16_t)) AES_GMAC_Update,
(void (*)(u_int8_t *, void *)) AES_GMAC_Final
};

81
sys/opencrypto/xform_md5.c Normal file
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/md5.h>
#include <opencrypto/xform_auth.h>
static int MD5Update_int(void *, const u_int8_t *, u_int16_t);
/* Authentication instances */
struct auth_hash auth_hash_hmac_md5 = {
CRYPTO_MD5_HMAC, "HMAC-MD5",
MD5_HMAC_KEY_LEN, MD5_HASH_LEN, sizeof(MD5_CTX), MD5_HMAC_BLOCK_LEN,
(void (*) (void *)) MD5Init, NULL, NULL, MD5Update_int,
(void (*) (u_int8_t *, void *)) MD5Final
};
struct auth_hash auth_hash_key_md5 = {
CRYPTO_MD5_KPDK, "Keyed MD5",
NULL_HMAC_KEY_LEN, MD5_KPDK_HASH_LEN, sizeof(MD5_CTX), 0,
(void (*)(void *)) MD5Init, NULL, NULL, MD5Update_int,
(void (*)(u_int8_t *, void *)) MD5Final
};
/*
* And now for auth.
*/
static int
MD5Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
MD5Update(ctx, buf, len);
return 0;
}

136
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/xform_auth.h>
#include <opencrypto/xform_enc.h>
static int null_setkey(u_int8_t **, u_int8_t *, int);
static void null_encrypt(caddr_t, u_int8_t *);
static void null_decrypt(caddr_t, u_int8_t *);
static void null_zerokey(u_int8_t **);
static void null_init(void *);
static void null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len);
static int null_update(void *, const u_int8_t *, u_int16_t);
static void null_final(u_int8_t *, void *);
/* Encryption instances */
struct enc_xform enc_xform_null = {
CRYPTO_NULL_CBC, "NULL",
/* NB: blocksize of 4 is to generate a properly aligned ESP header */
NULL_BLOCK_LEN, 0, NULL_MIN_KEY, NULL_MAX_KEY,
null_encrypt,
null_decrypt,
null_setkey,
null_zerokey,
NULL,
};
/* Authentication instances */
struct auth_hash auth_hash_null = { /* NB: context isn't used */
CRYPTO_NULL_HMAC, "NULL-HMAC",
NULL_HMAC_KEY_LEN, NULL_HASH_LEN, sizeof(int), NULL_HMAC_BLOCK_LEN,
null_init, null_reinit, null_reinit, null_update, null_final
};
/*
* Encryption wrapper routines.
*/
static void
null_encrypt(caddr_t key, u_int8_t *blk)
{
}
static void
null_decrypt(caddr_t key, u_int8_t *blk)
{
}
static int
null_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
*sched = NULL;
return 0;
}
static void
null_zerokey(u_int8_t **sched)
{
*sched = NULL;
}
/*
* And now for auth.
*/
static void
null_init(void *ctx)
{
}
static void
null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len)
{
}
static int
null_update(void *ctx, const u_int8_t *buf, u_int16_t len)
{
return 0;
}
static void
null_final(u_int8_t *buf, void *ctx)
{
if (buf != (u_int8_t *) 0)
bzero(buf, 12);
}

113
sys/opencrypto/xform_rijndael.c Normal file
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/rijndael/rijndael.h>
#include <opencrypto/xform_enc.h>
static int rijndael128_setkey(u_int8_t **, u_int8_t *, int);
static void rijndael128_encrypt(caddr_t, u_int8_t *);
static void rijndael128_decrypt(caddr_t, u_int8_t *);
static void rijndael128_zerokey(u_int8_t **);
/* Encryption instances */
struct enc_xform enc_xform_rijndael128 = {
CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES",
RIJNDAEL128_BLOCK_LEN, RIJNDAEL128_BLOCK_LEN, RIJNDAEL_MIN_KEY,
RIJNDAEL_MAX_KEY,
rijndael128_encrypt,
rijndael128_decrypt,
rijndael128_setkey,
rijndael128_zerokey,
NULL,
};
/*
* Encryption wrapper routines.
*/
static void
rijndael128_encrypt(caddr_t key, u_int8_t *blk)
{
rijndael_encrypt((rijndael_ctx *) key, (u_char *) blk, (u_char *) blk);
}
static void
rijndael128_decrypt(caddr_t key, u_int8_t *blk)
{
rijndael_decrypt(((rijndael_ctx *) key), (u_char *) blk,
(u_char *) blk);
}
static int
rijndael128_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
if (len != 16 && len != 24 && len != 32)
return (EINVAL);
*sched = KMALLOC(sizeof(rijndael_ctx), M_CRYPTO_DATA,
M_NOWAIT|M_ZERO);
if (*sched != NULL) {
rijndael_set_key((rijndael_ctx *) *sched, (u_char *) key,
len * 8);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
rijndael128_zerokey(u_int8_t **sched)
{
bzero(*sched, sizeof(rijndael_ctx));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

75
sys/opencrypto/xform_rmd160.c Normal file
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/rmd160.h>
#include <opencrypto/xform_auth.h>
static int RMD160Update_int(void *, const u_int8_t *, u_int16_t);
/* Authentication instances */
struct auth_hash auth_hash_hmac_ripemd_160 = {
CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160",
RIPEMD160_HMAC_KEY_LEN, RIPEMD160_HASH_LEN, sizeof(RMD160_CTX),
RIPEMD160_HMAC_BLOCK_LEN,
(void (*)(void *)) RMD160Init, NULL, NULL, RMD160Update_int,
(void (*)(u_int8_t *, void *)) RMD160Final
};
/*
* And now for auth.
*/
static int
RMD160Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
RMD160Update(ctx, buf, len);
return 0;
}

93
sys/opencrypto/xform_sha1.c Normal file
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@ -0,0 +1,93 @@
/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/sha1.h>
#include <opencrypto/xform_auth.h>
static void SHA1Init_int(void *);
static int SHA1Update_int(void *, const u_int8_t *, u_int16_t);
static void SHA1Final_int(u_int8_t *, void *);
/* Authentication instances */
struct auth_hash auth_hash_hmac_sha1 = {
CRYPTO_SHA1_HMAC, "HMAC-SHA1",
SHA1_HMAC_KEY_LEN, SHA1_HASH_LEN, sizeof(SHA1_CTX), SHA1_HMAC_BLOCK_LEN,
SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int
};
struct auth_hash auth_hash_key_sha1 = {
CRYPTO_SHA1_KPDK, "Keyed SHA1",
NULL_HMAC_KEY_LEN, SHA1_KPDK_HASH_LEN, sizeof(SHA1_CTX), 0,
SHA1Init_int, NULL, NULL, SHA1Update_int, SHA1Final_int
};
/*
* And now for auth.
*/
static void
SHA1Init_int(void *ctx)
{
SHA1Init(ctx);
}
static int
SHA1Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA1Update(ctx, buf, len);
return 0;
}
static void
SHA1Final_int(u_int8_t *blk, void *ctx)
{
SHA1Final(blk, ctx);
}

109
sys/opencrypto/xform_sha2.c Normal file
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@ -0,0 +1,109 @@
/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <crypto/sha2/sha256.h>
#include <crypto/sha2/sha384.h>
#include <crypto/sha2/sha512.h>
#include <opencrypto/xform_auth.h>
static int SHA256Update_int(void *, const u_int8_t *, u_int16_t);
static int SHA384Update_int(void *, const u_int8_t *, u_int16_t);
static int SHA512Update_int(void *, const u_int8_t *, u_int16_t);
/* Authentication instances */
struct auth_hash auth_hash_hmac_sha2_256 = {
CRYPTO_SHA2_256_HMAC, "HMAC-SHA2-256",
SHA2_256_HMAC_KEY_LEN, SHA2_256_HASH_LEN, sizeof(SHA256_CTX),
SHA2_256_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA256_Init, NULL, NULL, SHA256Update_int,
(void (*)(u_int8_t *, void *)) SHA256_Final
};
struct auth_hash auth_hash_hmac_sha2_384 = {
CRYPTO_SHA2_384_HMAC, "HMAC-SHA2-384",
SHA2_384_HMAC_KEY_LEN, SHA2_384_HASH_LEN, sizeof(SHA384_CTX),
SHA2_384_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA384_Init, NULL, NULL, SHA384Update_int,
(void (*)(u_int8_t *, void *)) SHA384_Final
};
struct auth_hash auth_hash_hmac_sha2_512 = {
CRYPTO_SHA2_512_HMAC, "HMAC-SHA2-512",
SHA2_512_HMAC_KEY_LEN, SHA2_512_HASH_LEN, sizeof(SHA512_CTX),
SHA2_512_HMAC_BLOCK_LEN,
(void (*)(void *)) SHA512_Init, NULL, NULL, SHA512Update_int,
(void (*)(u_int8_t *, void *)) SHA512_Final
};
/*
* And now for auth.
*/
static int
SHA256Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA256_Update(ctx, buf, len);
return 0;
}
static int
SHA384Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA384_Update(ctx, buf, len);
return 0;
}
static int
SHA512Update_int(void *ctx, const u_int8_t *buf, u_int16_t len)
{
SHA512_Update(ctx, buf, len);
return 0;
}

117
sys/opencrypto/xform_skipjack.c Normal file
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/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
/*-
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr),
* Niels Provos (provos@physnet.uni-hamburg.de) and
* Damien Miller (djm@mindrot.org).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* AES XTS implementation in 2008 by Damien Miller
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Copyright (C) 2008, Damien Miller
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by John-Mark Gurney
* under sponsorship of the FreeBSD Foundation and
* Rubicon Communications, LLC (Netgate).
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <opencrypto/skipjack.h>
#include <opencrypto/xform_enc.h>
static int skipjack_setkey(u_int8_t **, u_int8_t *, int);
static void skipjack_encrypt(caddr_t, u_int8_t *);
static void skipjack_decrypt(caddr_t, u_int8_t *);
static void skipjack_zerokey(u_int8_t **);
/* Encryption instances */
struct enc_xform enc_xform_skipjack = {
CRYPTO_SKIPJACK_CBC, "Skipjack",
SKIPJACK_BLOCK_LEN, SKIPJACK_BLOCK_LEN, SKIPJACK_MIN_KEY,
SKIPJACK_MAX_KEY,
skipjack_encrypt,
skipjack_decrypt, skipjack_setkey,
skipjack_zerokey,
NULL,
};
/*
* Encryption wrapper routines.
*/
static void
skipjack_encrypt(caddr_t key, u_int8_t *blk)
{
skipjack_forwards(blk, blk, (u_int8_t **) key);
}
static void
skipjack_decrypt(caddr_t key, u_int8_t *blk)
{
skipjack_backwards(blk, blk, (u_int8_t **) key);
}
static int
skipjack_setkey(u_int8_t **sched, u_int8_t *key, int len)
{
int err;
/* NB: allocate all the memory that's needed at once */
*sched = KMALLOC(10 * (sizeof(u_int8_t *) + 0x100),
M_CRYPTO_DATA, M_NOWAIT|M_ZERO);
if (*sched != NULL) {
u_int8_t** key_tables = (u_int8_t**) *sched;
u_int8_t* table = (u_int8_t*) &key_tables[10];
int k;
for (k = 0; k < 10; k++) {
key_tables[k] = table;
table += 0x100;
}
subkey_table_gen(key, (u_int8_t **) *sched);
err = 0;
} else
err = ENOMEM;
return err;
}
static void
skipjack_zerokey(u_int8_t **sched)
{
bzero(*sched, 10 * (sizeof(u_int8_t *) + 0x100));
KFREE(*sched, M_CRYPTO_DATA);
*sched = NULL;
}

48
sys/opencrypto/xform_userland.h Normal file
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/*-
* Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _CRYPTO_XFORM_USERLAND_H_
#define _CRYPTO_XFORM_USERLAND_H_
#ifdef _KERNEL
#include <sys/systm.h>
#define KMALLOC(size, type, flags) malloc(size, type, flags)
#define KFREE(ptr, type) free(ptr, type)
#else /* not _KERNEL */
#ifdef _STAND
#include <stand.h>
#else /* !_STAND */
#include <stdlib.h>
#include <string.h>
#endif /* _STAND */
#define KMALLOC(size, type, flags) malloc(size)
#define KFREE(ptr, type) free(ptr)
#endif /* _KERNEL */
#endif /* _CRYPTO_XFORM_USERLAND_H_ */