Resolve conflicts after import of Heimdal 0.6.
This commit is contained in:
nectar
parent
4b1830fcc6
commit
22eeaf40f5
@ -1,5 +1,5 @@
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/*
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* Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
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* Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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@ -32,7 +32,7 @@
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*/
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#include "krb5_locl.h"
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RCSID("$Id: crypto.c,v 1.66 2002/09/03 19:58:15 joda Exp $");
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RCSID("$Id: crypto.c,v 1.73 2003/04/01 16:51:54 lha Exp $");
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/* RCSID("$FreeBSD$"); */
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#undef CRYPTO_DEBUG
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@ -72,7 +72,7 @@ struct salt_type {
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krb5_salttype type;
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const char *name;
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krb5_error_code (*string_to_key)(krb5_context, krb5_enctype, krb5_data,
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krb5_salt, krb5_keyblock*);
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krb5_salt, krb5_data, krb5_keyblock*);
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};
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struct key_type {
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@ -111,6 +111,7 @@ struct encryption_type {
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krb5_enctype type;
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const char *name;
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size_t blocksize;
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size_t padsize;
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size_t confoundersize;
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struct key_type *keytype;
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struct checksum_type *checksum;
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@ -134,6 +135,19 @@ static struct key_type *_find_keytype(krb5_keytype type);
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static krb5_error_code _get_derived_key(krb5_context, krb5_crypto,
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unsigned, struct key_data**);
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static struct key_data *_new_derived_key(krb5_crypto crypto, unsigned usage);
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static krb5_error_code derive_key(krb5_context context,
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struct encryption_type *et,
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struct key_data *key,
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const void *constant,
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size_t len);
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static void hmac(krb5_context context,
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struct checksum_type *cm,
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const void *data,
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size_t len,
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unsigned usage,
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struct key_data *keyblock,
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Checksum *result);
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static void free_key_data(krb5_context context, struct key_data *key);
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/************************************************************
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* *
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@ -193,6 +207,7 @@ krb5_DES_string_to_key(krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_data opaque,
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krb5_keyblock *key)
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{
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unsigned char *s;
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@ -241,7 +256,7 @@ krb5_DES_AFS3_CMU_string_to_key (krb5_data pw,
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}
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password[8] = '\0';
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memcpy(key, crypt(password, "#~") + 2, sizeof(des_cblock));
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memcpy(key, crypt(password, "p1") + 2, sizeof(des_cblock));
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/* parity is inserted into the LSB so left shift each byte up one
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bit. This allows ascii characters with a zero MSB to retain as
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@ -298,6 +313,7 @@ DES_AFS3_string_to_key(krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_data opaque,
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krb5_keyblock *key)
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{
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des_cblock tmp;
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@ -360,6 +376,7 @@ DES3_string_to_key(krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_data opaque,
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krb5_keyblock *key)
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{
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char *str;
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@ -416,6 +433,7 @@ DES3_string_to_key_derived(krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_data opaque,
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krb5_keyblock *key)
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{
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krb5_error_code ret;
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@ -462,6 +480,7 @@ ARCFOUR_string_to_key(krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_data opaque,
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krb5_keyblock *key)
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{
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char *s, *p;
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@ -489,6 +508,180 @@ ARCFOUR_string_to_key(krb5_context context,
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return 0;
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}
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#ifdef ENABLE_AES
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/*
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* AES
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*/
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/* iter is really 1 based, so iter == 0 will be 1 iteration */
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krb5_error_code
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krb5_PKCS5_PBKDF2(krb5_context context, krb5_cksumtype cktype,
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krb5_data password, krb5_salt salt, u_int32_t iter,
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krb5_keytype type, krb5_keyblock *key)
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{
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struct checksum_type *c = _find_checksum(cktype);
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struct key_type *kt;
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size_t datalen, leftofkey;
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krb5_error_code ret;
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u_int32_t keypart;
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struct key_data ksign;
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krb5_keyblock kb;
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Checksum result;
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char *data, *tmpcksum;
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int i, j;
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char *p;
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if (c == NULL) {
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krb5_set_error_string(context, "checksum %d not supported", cktype);
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return KRB5_PROG_KEYTYPE_NOSUPP;
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}
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kt = _find_keytype(type);
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if (kt == NULL) {
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krb5_set_error_string(context, "key type %d not supported", type);
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return KRB5_PROG_KEYTYPE_NOSUPP;
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}
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key->keytype = type;
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ret = krb5_data_alloc (&key->keyvalue, kt->bits / 8);
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if (ret) {
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krb5_set_error_string(context, "malloc: out of memory");
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return ret;
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}
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ret = krb5_data_alloc (&result.checksum, c->checksumsize);
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if (ret) {
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krb5_set_error_string(context, "malloc: out of memory");
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krb5_data_free (&key->keyvalue);
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return ret;
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}
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tmpcksum = malloc(c->checksumsize);
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if (tmpcksum == NULL) {
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krb5_set_error_string(context, "malloc: out of memory");
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krb5_data_free (&key->keyvalue);
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krb5_data_free (&result.checksum);
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return ENOMEM;
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}
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datalen = salt.saltvalue.length + 4;
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data = malloc(datalen);
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if (data == NULL) {
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krb5_set_error_string(context, "malloc: out of memory");
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free(tmpcksum);
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krb5_data_free (&key->keyvalue);
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krb5_data_free (&result.checksum);
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return ENOMEM;
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}
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kb.keyvalue = password;
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ksign.key = &kb;
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memcpy(data, salt.saltvalue.data, salt.saltvalue.length);
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keypart = 1;
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leftofkey = key->keyvalue.length;
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p = key->keyvalue.data;
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while (leftofkey) {
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int len;
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if (leftofkey > c->checksumsize)
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len = c->checksumsize;
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else
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len = leftofkey;
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_krb5_put_int(data + datalen - 4, keypart, 4);
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hmac(context, c, data, datalen, 0, &ksign, &result);
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memcpy(p, result.checksum.data, len);
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memcpy(tmpcksum, result.checksum.data, result.checksum.length);
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for (i = 0; i < iter; i++) {
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hmac(context, c, tmpcksum, result.checksum.length,
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0, &ksign, &result);
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memcpy(tmpcksum, result.checksum.data, result.checksum.length);
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for (j = 0; j < len; j++)
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p[j] ^= tmpcksum[j];
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}
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p += len;
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leftofkey -= len;
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keypart++;
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}
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free(data);
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free(tmpcksum);
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krb5_data_free (&result.checksum);
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return 0;
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}
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static krb5_error_code
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AES_string_to_key(krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_data opaque,
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krb5_keyblock *key)
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{
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krb5_error_code ret;
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u_int32_t iter;
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struct encryption_type *et;
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struct key_data kd;
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if (opaque.length == 0)
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iter = 45056 - 1;
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else if (opaque.length == 4) {
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unsigned long v;
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_krb5_get_int(opaque.data, &v, 4);
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iter = ((u_int32_t)v) - 1;
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} else
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return KRB5_PROG_KEYTYPE_NOSUPP; /* XXX */
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et = _find_enctype(enctype);
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if (et == NULL)
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return KRB5_PROG_KEYTYPE_NOSUPP;
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ret = krb5_PKCS5_PBKDF2(context, CKSUMTYPE_SHA1, password, salt,
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iter, enctype, key);
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if (ret)
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return ret;
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ret = krb5_copy_keyblock(context, key, &kd.key);
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kd.schedule = NULL;
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ret = derive_key(context, et, &kd, "kerberos", strlen("kerberos"));
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if (ret) {
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krb5_data_free(&key->keyvalue);
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} else {
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ret = krb5_copy_keyblock_contents(context, kd.key, key);
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free_key_data(context, &kd);
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}
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return ret;
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}
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static void
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AES_schedule(krb5_context context, struct key_data *kd)
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{
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AES_KEY *key = kd->schedule->data;
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int bits = kd->key->keyvalue.length * 8;
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AES_set_encrypt_key(kd->key->keyvalue.data, bits, &key[0]);
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AES_set_decrypt_key(kd->key->keyvalue.data, bits, &key[1]);
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}
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/*
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*
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*/
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extern struct salt_type AES_salt[];
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#endif /* ENABLE_AES */
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extern struct salt_type des_salt[],
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des3_salt[], des3_salt_derived[], arcfour_salt[];
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@ -536,6 +729,30 @@ struct key_type keytype_des3_derived = {
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des3_salt_derived
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};
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#ifdef ENABLE_AES
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struct key_type keytype_aes128 = {
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KEYTYPE_AES128,
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"aes-128",
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128,
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16,
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sizeof(AES_KEY) * 2,
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NULL,
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AES_schedule,
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AES_salt
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};
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struct key_type keytype_aes256 = {
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KEYTYPE_AES256,
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"aes-256",
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256,
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16,
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sizeof(AES_KEY) * 2,
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NULL,
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AES_schedule,
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AES_salt
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};
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#endif /* ENABLE_AES */
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struct key_type keytype_arcfour = {
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KEYTYPE_ARCFOUR,
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"arcfour",
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@ -552,6 +769,10 @@ struct key_type *keytypes[] = {
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&keytype_des,
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&keytype_des3_derived,
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&keytype_des3,
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#ifdef ENABLE_AES
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&keytype_aes128,
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&keytype_aes256,
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#endif /* ENABLE_AES */
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&keytype_arcfour
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};
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@ -600,6 +821,17 @@ struct salt_type des3_salt_derived[] = {
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{ 0 }
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};
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#ifdef ENABLE_AES
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struct salt_type AES_salt[] = {
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{
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KRB5_PW_SALT,
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"pw-salt",
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AES_string_to_key
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},
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{ 0 }
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};
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#endif /* ENABLE_AES */
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struct salt_type arcfour_salt[] = {
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{
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KRB5_PW_SALT,
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@ -731,17 +963,32 @@ krb5_string_to_key (krb5_context context,
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return krb5_string_to_key_data(context, enctype, pw, principal, key);
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}
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/*
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* Do a string -> key for encryption type `enctype' operation on
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* `password' (with salt `salt'), returning the resulting key in `key'
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*/
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krb5_error_code
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krb5_string_to_key_data_salt (krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_keyblock *key)
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{
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krb5_data opaque;
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krb5_data_zero(&opaque);
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return krb5_string_to_key_data_salt_opaque(context, enctype, password,
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salt, opaque, key);
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}
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/*
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* Do a string -> key for encryption type `enctype' operation on
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* `password' (with salt `salt' and the enctype specific data string
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* `opaque'), returning the resulting key in `key'
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*/
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krb5_error_code
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krb5_string_to_key_data_salt_opaque (krb5_context context,
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krb5_enctype enctype,
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krb5_data password,
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krb5_salt salt,
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krb5_data opaque,
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krb5_keyblock *key)
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{
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struct encryption_type *et =_find_enctype(enctype);
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struct salt_type *st;
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@ -752,7 +999,8 @@ krb5_string_to_key_data_salt (krb5_context context,
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}
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for(st = et->keytype->string_to_key; st && st->type; st++)
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if(st->type == salt.salttype)
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return (*st->string_to_key)(context, enctype, password, salt, key);
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return (*st->string_to_key)(context, enctype, password,
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salt, opaque, key);
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krb5_set_error_string(context, "salt type %d not supported",
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salt.salttype);
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return HEIM_ERR_SALTTYPE_NOSUPP;
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@ -810,6 +1058,21 @@ krb5_string_to_keytype(krb5_context context,
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return KRB5_PROG_KEYTYPE_NOSUPP;
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}
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krb5_error_code
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krb5_enctype_keysize(krb5_context context,
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krb5_enctype type,
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size_t *keysize)
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{
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struct encryption_type *et = _find_enctype(type);
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if(et == NULL) {
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krb5_set_error_string(context, "encryption type %d not supported",
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type);
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return KRB5_PROG_ETYPE_NOSUPP;
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}
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*keysize = et->keytype->size;
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return 0;
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}
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krb5_error_code
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krb5_generate_random_keyblock(krb5_context context,
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krb5_enctype type,
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@ -1171,7 +1434,7 @@ hmac(krb5_context context,
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}
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static void
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HMAC_SHA1_DES3_checksum(krb5_context context,
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SP_HMAC_SHA1_checksum(krb5_context context,
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struct key_data *key,
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const void *data,
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size_t len,
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@ -1179,8 +1442,14 @@ HMAC_SHA1_DES3_checksum(krb5_context context,
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Checksum *result)
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{
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struct checksum_type *c = _find_checksum(CKSUMTYPE_SHA1);
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Checksum res;
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char sha1_data[20];
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hmac(context, c, data, len, usage, key, result);
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res.checksum.data = sha1_data;
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res.checksum.length = sizeof(sha1_data);
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hmac(context, c, data, len, usage, key, &res);
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memcpy(result->checksum.data, res.checksum.data, result->checksum.length);
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}
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/*
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@ -1358,10 +1627,32 @@ struct checksum_type checksum_hmac_sha1_des3 = {
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64,
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20,
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F_KEYED | F_CPROOF | F_DERIVED,
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HMAC_SHA1_DES3_checksum,
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SP_HMAC_SHA1_checksum,
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NULL
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};
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#ifdef ENABLE_AES
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struct checksum_type checksum_hmac_sha1_aes128 = {
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CKSUMTYPE_HMAC_SHA1_96_AES_128,
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"hmac-sha1-96-aes128",
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64,
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12,
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F_KEYED | F_CPROOF | F_DERIVED,
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SP_HMAC_SHA1_checksum,
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NULL
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};
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struct checksum_type checksum_hmac_sha1_aes256 = {
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CKSUMTYPE_HMAC_SHA1_96_AES_256,
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"hmac-sha1-96-aes256",
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64,
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12,
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F_KEYED | F_CPROOF | F_DERIVED,
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SP_HMAC_SHA1_checksum,
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NULL
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};
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#endif /* ENABLE_AES */
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struct checksum_type checksum_hmac_md5 = {
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CKSUMTYPE_HMAC_MD5,
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"hmac-md5",
|
||||
@ -1397,6 +1688,10 @@ struct checksum_type *checksum_types[] = {
|
||||
&checksum_rsa_md5_des3,
|
||||
&checksum_sha1,
|
||||
&checksum_hmac_sha1_des3,
|
||||
#ifdef ENABLE_AES
|
||||
&checksum_hmac_sha1_aes128,
|
||||
&checksum_hmac_sha1_aes256,
|
||||
#endif
|
||||
&checksum_hmac_md5,
|
||||
&checksum_hmac_md5_enc
|
||||
};
|
||||
@ -1724,6 +2019,114 @@ DES_PCBC_encrypt_key_ivec(krb5_context context,
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef ENABLE_AES
|
||||
|
||||
/*
|
||||
* AES draft-raeburn-krb-rijndael-krb-02
|
||||
*/
|
||||
|
||||
void
|
||||
_krb5_aes_cts_encrypt(const unsigned char *in, unsigned char *out,
|
||||
size_t len, const void *aes_key,
|
||||
unsigned char *ivec, const int enc)
|
||||
{
|
||||
unsigned char tmp[AES_BLOCK_SIZE];
|
||||
const AES_KEY *key = aes_key; /* XXX remove this when we always have AES */
|
||||
int i;
|
||||
|
||||
/*
|
||||
* In the framework of kerberos, the length can never be shorter
|
||||
* then at least one blocksize.
|
||||
*/
|
||||
|
||||
if (enc == AES_ENCRYPT) {
|
||||
|
||||
while(len > AES_BLOCK_SIZE) {
|
||||
for (i = 0; i < AES_BLOCK_SIZE; i++)
|
||||
tmp[i] = in[i] ^ ivec[i];
|
||||
AES_encrypt(tmp, out, key);
|
||||
memcpy(ivec, out, AES_BLOCK_SIZE);
|
||||
len -= AES_BLOCK_SIZE;
|
||||
in += AES_BLOCK_SIZE;
|
||||
out += AES_BLOCK_SIZE;
|
||||
}
|
||||
|
||||
for (i = 0; i < len; i++)
|
||||
tmp[i] = in[i] ^ ivec[i];
|
||||
for (; i < AES_BLOCK_SIZE; i++)
|
||||
tmp[i] = 0 ^ ivec[i];
|
||||
|
||||
AES_encrypt(tmp, out - AES_BLOCK_SIZE, key);
|
||||
|
||||
memcpy(out, ivec, len);
|
||||
|
||||
} else {
|
||||
char tmp2[AES_BLOCK_SIZE];
|
||||
char tmp3[AES_BLOCK_SIZE];
|
||||
|
||||
while(len > AES_BLOCK_SIZE * 2) {
|
||||
memcpy(tmp, in, AES_BLOCK_SIZE);
|
||||
AES_decrypt(in, out, key);
|
||||
for (i = 0; i < AES_BLOCK_SIZE; i++)
|
||||
out[i] ^= ivec[i];
|
||||
memcpy(ivec, tmp, AES_BLOCK_SIZE);
|
||||
len -= AES_BLOCK_SIZE;
|
||||
in += AES_BLOCK_SIZE;
|
||||
out += AES_BLOCK_SIZE;
|
||||
}
|
||||
|
||||
len -= AES_BLOCK_SIZE;
|
||||
|
||||
AES_decrypt(in, tmp2, key);
|
||||
|
||||
memcpy(tmp3, in + AES_BLOCK_SIZE, len);
|
||||
memcpy(tmp3 + len, tmp2 + len, AES_BLOCK_SIZE - len); /* xor 0 */
|
||||
|
||||
for (i = 0; i < len; i++)
|
||||
out[i + AES_BLOCK_SIZE] = tmp2[i] ^ tmp3[i];
|
||||
|
||||
AES_decrypt(tmp3, out, key);
|
||||
for (i = 0; i < AES_BLOCK_SIZE; i++)
|
||||
out[i] ^= ivec[i];
|
||||
}
|
||||
}
|
||||
|
||||
static krb5_error_code
|
||||
AES_CTS_encrypt(krb5_context context,
|
||||
struct key_data *key,
|
||||
void *data,
|
||||
size_t len,
|
||||
krb5_boolean encrypt,
|
||||
int usage,
|
||||
void *ivec)
|
||||
{
|
||||
AES_KEY *k = key->schedule->data;
|
||||
char local_ivec[AES_BLOCK_SIZE];
|
||||
|
||||
if (encrypt)
|
||||
k = &k[0];
|
||||
else
|
||||
k = &k[1];
|
||||
|
||||
if (len < AES_BLOCK_SIZE)
|
||||
abort();
|
||||
if (len == AES_BLOCK_SIZE) {
|
||||
if (encrypt)
|
||||
AES_encrypt(data, data, k);
|
||||
else
|
||||
AES_decrypt(data, data, k);
|
||||
} else {
|
||||
if(ivec == NULL) {
|
||||
memset(local_ivec, 0, sizeof(local_ivec));
|
||||
ivec = local_ivec;
|
||||
}
|
||||
_krb5_aes_cts_encrypt(data, data, len, k, ivec, encrypt);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif /* ENABLE_AES */
|
||||
|
||||
/*
|
||||
* section 6 of draft-brezak-win2k-krb-rc4-hmac-03
|
||||
*
|
||||
@ -1864,7 +2267,8 @@ usage2arcfour (krb5_context context, int *usage)
|
||||
*usage = 1;
|
||||
return 0;
|
||||
case KRB5_KU_TICKET :
|
||||
*usage = 8;
|
||||
*usage = 2;
|
||||
return 0;
|
||||
case KRB5_KU_AS_REP_ENC_PART :
|
||||
*usage = 8;
|
||||
return 0;
|
||||
@ -1931,6 +2335,7 @@ static struct encryption_type enctype_null = {
|
||||
ETYPE_NULL,
|
||||
"null",
|
||||
1,
|
||||
1,
|
||||
0,
|
||||
&keytype_null,
|
||||
&checksum_none,
|
||||
@ -1943,6 +2348,7 @@ static struct encryption_type enctype_des_cbc_crc = {
|
||||
"des-cbc-crc",
|
||||
8,
|
||||
8,
|
||||
8,
|
||||
&keytype_des,
|
||||
&checksum_crc32,
|
||||
NULL,
|
||||
@ -1954,6 +2360,7 @@ static struct encryption_type enctype_des_cbc_md4 = {
|
||||
"des-cbc-md4",
|
||||
8,
|
||||
8,
|
||||
8,
|
||||
&keytype_des,
|
||||
&checksum_rsa_md4,
|
||||
&checksum_rsa_md4_des,
|
||||
@ -1965,6 +2372,7 @@ static struct encryption_type enctype_des_cbc_md5 = {
|
||||
"des-cbc-md5",
|
||||
8,
|
||||
8,
|
||||
8,
|
||||
&keytype_des,
|
||||
&checksum_rsa_md5,
|
||||
&checksum_rsa_md5_des,
|
||||
@ -1975,10 +2383,11 @@ static struct encryption_type enctype_arcfour_hmac_md5 = {
|
||||
ETYPE_ARCFOUR_HMAC_MD5,
|
||||
"arcfour-hmac-md5",
|
||||
1,
|
||||
1,
|
||||
8,
|
||||
&keytype_arcfour,
|
||||
&checksum_hmac_md5,
|
||||
&checksum_hmac_md5_enc,
|
||||
/* &checksum_hmac_md5_enc */ NULL,
|
||||
F_SPECIAL,
|
||||
ARCFOUR_encrypt
|
||||
};
|
||||
@ -1987,6 +2396,7 @@ static struct encryption_type enctype_des3_cbc_md5 = {
|
||||
"des3-cbc-md5",
|
||||
8,
|
||||
8,
|
||||
8,
|
||||
&keytype_des3,
|
||||
&checksum_rsa_md5,
|
||||
&checksum_rsa_md5_des3,
|
||||
@ -1998,6 +2408,7 @@ static struct encryption_type enctype_des3_cbc_sha1 = {
|
||||
"des3-cbc-sha1",
|
||||
8,
|
||||
8,
|
||||
8,
|
||||
&keytype_des3_derived,
|
||||
&checksum_sha1,
|
||||
&checksum_hmac_sha1_des3,
|
||||
@ -2009,16 +2420,44 @@ static struct encryption_type enctype_old_des3_cbc_sha1 = {
|
||||
"old-des3-cbc-sha1",
|
||||
8,
|
||||
8,
|
||||
8,
|
||||
&keytype_des3,
|
||||
&checksum_sha1,
|
||||
&checksum_hmac_sha1_des3,
|
||||
0,
|
||||
DES3_CBC_encrypt,
|
||||
};
|
||||
#ifdef ENABLE_AES
|
||||
static struct encryption_type enctype_aes128_cts_hmac_sha1 = {
|
||||
ETYPE_AES128_CTS_HMAC_SHA1_96,
|
||||
"aes128-cts-hmac-sha1-96",
|
||||
16,
|
||||
1,
|
||||
16,
|
||||
&keytype_aes128,
|
||||
&checksum_sha1,
|
||||
&checksum_hmac_sha1_aes128,
|
||||
0,
|
||||
AES_CTS_encrypt,
|
||||
};
|
||||
static struct encryption_type enctype_aes256_cts_hmac_sha1 = {
|
||||
ETYPE_AES256_CTS_HMAC_SHA1_96,
|
||||
"aes256-cts-hmac-sha1-96",
|
||||
16,
|
||||
1,
|
||||
16,
|
||||
&keytype_aes256,
|
||||
&checksum_sha1,
|
||||
&checksum_hmac_sha1_aes256,
|
||||
0,
|
||||
AES_CTS_encrypt,
|
||||
};
|
||||
#endif /* ENABLE_AES */
|
||||
static struct encryption_type enctype_des_cbc_none = {
|
||||
ETYPE_DES_CBC_NONE,
|
||||
"des-cbc-none",
|
||||
8,
|
||||
8,
|
||||
0,
|
||||
&keytype_des,
|
||||
&checksum_none,
|
||||
@ -2030,6 +2469,7 @@ static struct encryption_type enctype_des_cfb64_none = {
|
||||
ETYPE_DES_CFB64_NONE,
|
||||
"des-cfb64-none",
|
||||
1,
|
||||
1,
|
||||
0,
|
||||
&keytype_des,
|
||||
&checksum_none,
|
||||
@ -2041,6 +2481,7 @@ static struct encryption_type enctype_des_pcbc_none = {
|
||||
ETYPE_DES_PCBC_NONE,
|
||||
"des-pcbc-none",
|
||||
8,
|
||||
8,
|
||||
0,
|
||||
&keytype_des,
|
||||
&checksum_none,
|
||||
@ -2052,6 +2493,7 @@ static struct encryption_type enctype_des3_cbc_none = {
|
||||
ETYPE_DES3_CBC_NONE,
|
||||
"des3-cbc-none",
|
||||
8,
|
||||
8,
|
||||
0,
|
||||
&keytype_des3_derived,
|
||||
&checksum_none,
|
||||
@ -2069,6 +2511,10 @@ static struct encryption_type *etypes[] = {
|
||||
&enctype_des3_cbc_md5,
|
||||
&enctype_des3_cbc_sha1,
|
||||
&enctype_old_des3_cbc_sha1,
|
||||
#ifdef ENABLE_AES
|
||||
&enctype_aes128_cts_hmac_sha1,
|
||||
&enctype_aes256_cts_hmac_sha1,
|
||||
#endif
|
||||
&enctype_des_cbc_none,
|
||||
&enctype_des_cfb64_none,
|
||||
&enctype_des_pcbc_none,
|
||||
@ -2271,7 +2717,7 @@ encrypt_internal_derived(krb5_context context,
|
||||
checksum_sz = CHECKSUMSIZE(et->keyed_checksum);
|
||||
|
||||
sz = et->confoundersize + len;
|
||||
block_sz = (sz + et->blocksize - 1) &~ (et->blocksize - 1); /* pad */
|
||||
block_sz = (sz + et->padsize - 1) &~ (et->padsize - 1); /* pad */
|
||||
total_sz = block_sz + checksum_sz;
|
||||
p = calloc(1, total_sz);
|
||||
if(p == NULL) {
|
||||
@ -2339,7 +2785,7 @@ encrypt_internal(krb5_context context,
|
||||
checksum_sz = CHECKSUMSIZE(et->checksum);
|
||||
|
||||
sz = et->confoundersize + checksum_sz + len;
|
||||
block_sz = (sz + et->blocksize - 1) &~ (et->blocksize - 1); /* pad */
|
||||
block_sz = (sz + et->padsize - 1) &~ (et->padsize - 1); /* pad */
|
||||
p = calloc(1, block_sz);
|
||||
if(p == NULL) {
|
||||
krb5_set_error_string(context, "malloc: out of memory");
|
||||
@ -2880,6 +3326,12 @@ derive_key(krb5_context context,
|
||||
case KEYTYPE_DES3:
|
||||
DES3_postproc(context, k, nblocks * et->blocksize, key);
|
||||
break;
|
||||
#ifdef ENABLE_AES
|
||||
case KEYTYPE_AES128:
|
||||
case KEYTYPE_AES256:
|
||||
memcpy(key->key->keyvalue.data, k, key->key->keyvalue.length);
|
||||
break;
|
||||
#endif /* ENABLE_AES */
|
||||
default:
|
||||
krb5_set_error_string(context,
|
||||
"derive_key() called with unknown keytype (%u)",
|
||||
@ -3098,11 +3550,11 @@ wrapped_length (krb5_context context,
|
||||
size_t data_len)
|
||||
{
|
||||
struct encryption_type *et = crypto->et;
|
||||
size_t blocksize = et->blocksize;
|
||||
size_t padsize = et->padsize;
|
||||
size_t res;
|
||||
|
||||
res = et->confoundersize + et->checksum->checksumsize + data_len;
|
||||
res = (res + blocksize - 1) / blocksize * blocksize;
|
||||
res = (res + padsize - 1) / padsize * padsize;
|
||||
return res;
|
||||
}
|
||||
|
||||
@ -3112,11 +3564,11 @@ wrapped_length_dervied (krb5_context context,
|
||||
size_t data_len)
|
||||
{
|
||||
struct encryption_type *et = crypto->et;
|
||||
size_t blocksize = et->blocksize;
|
||||
size_t padsize = et->padsize;
|
||||
size_t res;
|
||||
|
||||
res = et->confoundersize + data_len;
|
||||
res = (res + blocksize - 1) / blocksize * blocksize;
|
||||
res = (res + padsize - 1) / padsize * padsize;
|
||||
res += et->checksum->checksumsize;
|
||||
return res;
|
||||
}
|
||||
@ -3232,7 +3684,7 @@ main()
|
||||
d->key = &key;
|
||||
res.checksum.length = 20;
|
||||
res.checksum.data = malloc(res.checksum.length);
|
||||
HMAC_SHA1_DES3_checksum(context, d, data, 28, &res);
|
||||
SP_HMAC_SHA1_checksum(context, d, data, 28, &res);
|
||||
|
||||
return 0;
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user