248 lines
7.7 KiB
C
248 lines
7.7 KiB
C
/*
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* Portions Copyright (C) 2004-2012 Internet Systems Consortium, Inc. ("ISC")
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* Portions Copyright (C) 2000-2002 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE
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* FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Portions Copyright (C) 1995-2000 by Network Associates, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE
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* FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id$ */
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#ifndef DST_DST_INTERNAL_H
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#define DST_DST_INTERNAL_H 1
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#include <isc/lang.h>
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#include <isc/buffer.h>
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#include <isc/int.h>
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#include <isc/magic.h>
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#include <isc/region.h>
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#include <isc/types.h>
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#include <isc/md5.h>
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#include <isc/refcount.h>
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#include <isc/sha1.h>
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#include <isc/sha2.h>
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#include <isc/stdtime.h>
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#include <isc/hmacmd5.h>
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#include <isc/hmacsha.h>
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#include <dns/time.h>
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#include <dst/dst.h>
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#ifdef OPENSSL
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#include <openssl/dh.h>
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#include <openssl/dsa.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/rsa.h>
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#endif
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ISC_LANG_BEGINDECLS
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#define KEY_MAGIC ISC_MAGIC('D','S','T','K')
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#define CTX_MAGIC ISC_MAGIC('D','S','T','C')
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#define VALID_KEY(x) ISC_MAGIC_VALID(x, KEY_MAGIC)
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#define VALID_CTX(x) ISC_MAGIC_VALID(x, CTX_MAGIC)
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extern isc_mem_t *dst__memory_pool;
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/***
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*** Types
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***/
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typedef struct dst_func dst_func_t;
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typedef struct dst_hmacmd5_key dst_hmacmd5_key_t;
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typedef struct dst_hmacsha1_key dst_hmacsha1_key_t;
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typedef struct dst_hmacsha224_key dst_hmacsha224_key_t;
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typedef struct dst_hmacsha256_key dst_hmacsha256_key_t;
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typedef struct dst_hmacsha384_key dst_hmacsha384_key_t;
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typedef struct dst_hmacsha512_key dst_hmacsha512_key_t;
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/*% DST Key Structure */
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struct dst_key {
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unsigned int magic;
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isc_refcount_t refs;
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dns_name_t * key_name; /*%< name of the key */
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unsigned int key_size; /*%< size of the key in bits */
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unsigned int key_proto; /*%< protocols this key is used for */
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unsigned int key_alg; /*%< algorithm of the key */
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isc_uint32_t key_flags; /*%< flags of the public key */
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isc_uint16_t key_id; /*%< identifier of the key */
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isc_uint16_t key_rid; /*%< identifier of the key when
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revoked */
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isc_uint16_t key_bits; /*%< hmac digest bits */
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dns_rdataclass_t key_class; /*%< class of the key record */
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isc_mem_t *mctx; /*%< memory context */
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char *engine; /*%< engine name (HSM) */
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char *label; /*%< engine label (HSM) */
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union {
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void *generic;
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gss_ctx_id_t gssctx;
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#ifdef OPENSSL
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#if !defined(USE_EVP) || !USE_EVP
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RSA *rsa;
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#endif
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DSA *dsa;
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DH *dh;
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EVP_PKEY *pkey;
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#endif
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dst_hmacmd5_key_t *hmacmd5;
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dst_hmacsha1_key_t *hmacsha1;
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dst_hmacsha224_key_t *hmacsha224;
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dst_hmacsha256_key_t *hmacsha256;
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dst_hmacsha384_key_t *hmacsha384;
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dst_hmacsha512_key_t *hmacsha512;
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} keydata; /*%< pointer to key in crypto pkg fmt */
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isc_stdtime_t times[DST_MAX_TIMES + 1]; /*%< timing metadata */
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isc_boolean_t timeset[DST_MAX_TIMES + 1]; /*%< data set? */
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isc_stdtime_t nums[DST_MAX_NUMERIC + 1]; /*%< numeric metadata */
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isc_boolean_t numset[DST_MAX_NUMERIC + 1]; /*%< data set? */
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int fmt_major; /*%< private key format, major version */
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int fmt_minor; /*%< private key format, minor version */
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dst_func_t * func; /*%< crypto package specific functions */
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isc_buffer_t *key_tkeytoken; /*%< TKEY token data */
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};
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struct dst_context {
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unsigned int magic;
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dst_key_t *key;
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isc_mem_t *mctx;
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union {
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void *generic;
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dst_gssapi_signverifyctx_t *gssctx;
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isc_md5_t *md5ctx;
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isc_sha1_t *sha1ctx;
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isc_sha256_t *sha256ctx;
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isc_sha512_t *sha512ctx;
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isc_hmacmd5_t *hmacmd5ctx;
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isc_hmacsha1_t *hmacsha1ctx;
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isc_hmacsha224_t *hmacsha224ctx;
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isc_hmacsha256_t *hmacsha256ctx;
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isc_hmacsha384_t *hmacsha384ctx;
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isc_hmacsha512_t *hmacsha512ctx;
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#ifdef OPENSSL
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EVP_MD_CTX *evp_md_ctx;
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#endif
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} ctxdata;
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};
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struct dst_func {
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/*
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* Context functions
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*/
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isc_result_t (*createctx)(dst_key_t *key, dst_context_t *dctx);
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void (*destroyctx)(dst_context_t *dctx);
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isc_result_t (*adddata)(dst_context_t *dctx, const isc_region_t *data);
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/*
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* Key operations
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*/
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isc_result_t (*sign)(dst_context_t *dctx, isc_buffer_t *sig);
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isc_result_t (*verify)(dst_context_t *dctx, const isc_region_t *sig);
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isc_result_t (*computesecret)(const dst_key_t *pub,
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const dst_key_t *priv,
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isc_buffer_t *secret);
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isc_boolean_t (*compare)(const dst_key_t *key1, const dst_key_t *key2);
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isc_boolean_t (*paramcompare)(const dst_key_t *key1,
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const dst_key_t *key2);
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isc_result_t (*generate)(dst_key_t *key, int parms,
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void (*callback)(int));
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isc_boolean_t (*isprivate)(const dst_key_t *key);
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void (*destroy)(dst_key_t *key);
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/* conversion functions */
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isc_result_t (*todns)(const dst_key_t *key, isc_buffer_t *data);
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isc_result_t (*fromdns)(dst_key_t *key, isc_buffer_t *data);
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isc_result_t (*tofile)(const dst_key_t *key, const char *directory);
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isc_result_t (*parse)(dst_key_t *key,
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isc_lex_t *lexer,
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dst_key_t *pub);
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/* cleanup */
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void (*cleanup)(void);
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isc_result_t (*fromlabel)(dst_key_t *key, const char *engine,
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const char *label, const char *pin);
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isc_result_t (*dump)(dst_key_t *key, isc_mem_t *mctx, char **buffer,
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int *length);
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isc_result_t (*restore)(dst_key_t *key, const char *keystr);
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};
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/*%
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* Initializers
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*/
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isc_result_t dst__openssl_init(const char *engine);
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isc_result_t dst__hmacmd5_init(struct dst_func **funcp);
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isc_result_t dst__hmacsha1_init(struct dst_func **funcp);
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isc_result_t dst__hmacsha224_init(struct dst_func **funcp);
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isc_result_t dst__hmacsha256_init(struct dst_func **funcp);
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isc_result_t dst__hmacsha384_init(struct dst_func **funcp);
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isc_result_t dst__hmacsha512_init(struct dst_func **funcp);
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isc_result_t dst__opensslrsa_init(struct dst_func **funcp,
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unsigned char algorithm);
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isc_result_t dst__openssldsa_init(struct dst_func **funcp);
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isc_result_t dst__openssldh_init(struct dst_func **funcp);
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isc_result_t dst__gssapi_init(struct dst_func **funcp);
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#ifdef HAVE_OPENSSL_GOST
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isc_result_t dst__opensslgost_init(struct dst_func **funcp);
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#endif
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/*%
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* Destructors
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*/
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void dst__openssl_destroy(void);
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/*%
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* Memory allocators using the DST memory pool.
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*/
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void * dst__mem_alloc(size_t size);
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void dst__mem_free(void *ptr);
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void * dst__mem_realloc(void *ptr, size_t size);
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/*%
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* Entropy retriever using the DST entropy pool.
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*/
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isc_result_t dst__entropy_getdata(void *buf, unsigned int len,
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isc_boolean_t pseudo);
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/*
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* Entropy status hook.
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*/
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unsigned int dst__entropy_status(void);
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ISC_LANG_ENDDECLS
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#endif /* DST_DST_INTERNAL_H */
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/*! \file */
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