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/* evp_int.h */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2015.
*/
/* ====================================================================
* Copyright (c) 2015 The OpenSSL Project. 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.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
struct evp_pkey_ctx_st {
/* Method associated with this operation */
const EVP_PKEY_METHOD *pmeth;
/* Engine that implements this method or NULL if builtin */
ENGINE *engine;
/* Key: may be NULL */
EVP_PKEY *pkey;
/* Peer key for key agreement, may be NULL */
EVP_PKEY *peerkey;
/* Actual operation */
int operation;
/* Algorithm specific data */
void *data;
/* Application specific data */
void *app_data;
/* Keygen callback */
EVP_PKEY_gen_cb *pkey_gencb;
/* implementation specific keygen data */
int *keygen_info;
int keygen_info_count;
} /* EVP_PKEY_CTX */ ;
#define EVP_PKEY_FLAG_DYNAMIC 1
struct evp_pkey_method_st {
int pkey_id;
int flags;
int (*init) (EVP_PKEY_CTX *ctx);
int (*copy) (EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src);
void (*cleanup) (EVP_PKEY_CTX *ctx);
int (*paramgen_init) (EVP_PKEY_CTX *ctx);
int (*paramgen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
int (*keygen_init) (EVP_PKEY_CTX *ctx);
int (*keygen) (EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
int (*sign_init) (EVP_PKEY_CTX *ctx);
int (*sign) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
const unsigned char *tbs, size_t tbslen);
int (*verify_init) (EVP_PKEY_CTX *ctx);
int (*verify) (EVP_PKEY_CTX *ctx,
const unsigned char *sig, size_t siglen,
const unsigned char *tbs, size_t tbslen);
int (*verify_recover_init) (EVP_PKEY_CTX *ctx);
int (*verify_recover) (EVP_PKEY_CTX *ctx,
unsigned char *rout, size_t *routlen,
const unsigned char *sig, size_t siglen);
int (*signctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
int (*signctx) (EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
EVP_MD_CTX *mctx);
int (*verifyctx_init) (EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
int (*verifyctx) (EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
EVP_MD_CTX *mctx);
int (*encrypt_init) (EVP_PKEY_CTX *ctx);
int (*encrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen);
int (*decrypt_init) (EVP_PKEY_CTX *ctx);
int (*decrypt) (EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen);
int (*derive_init) (EVP_PKEY_CTX *ctx);
int (*derive) (EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
int (*ctrl_str) (EVP_PKEY_CTX *ctx, const char *type, const char *value);
} /* EVP_PKEY_METHOD */ ;
DEFINE_CONST_STACK_OF(EVP_PKEY_METHOD)
void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
extern const EVP_PKEY_METHOD cmac_pkey_meth;
extern const EVP_PKEY_METHOD dh_pkey_meth;
extern const EVP_PKEY_METHOD dhx_pkey_meth;
extern const EVP_PKEY_METHOD dsa_pkey_meth;
extern const EVP_PKEY_METHOD ec_pkey_meth;
extern const EVP_PKEY_METHOD hmac_pkey_meth;
extern const EVP_PKEY_METHOD rsa_pkey_meth;
struct evp_md_st {
int type;
int pkey_type;
int md_size;
unsigned long flags;
int (*init) (EVP_MD_CTX *ctx);
int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
int (*cleanup) (EVP_MD_CTX *ctx);
int block_size;
int ctx_size; /* how big does the ctx->md_data need to be */
/* control function */
int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
} /* EVP_MD */ ;
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