373 lines
16 KiB
C
373 lines
16 KiB
C
/* evp_locl.h */
|
|
/*
|
|
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
|
|
* 2000.
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 1999 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).
|
|
*
|
|
*/
|
|
|
|
/* Macros to code block cipher wrappers */
|
|
|
|
/* Wrapper functions for each cipher mode */
|
|
|
|
#define BLOCK_CIPHER_ecb_loop() \
|
|
size_t i, bl; \
|
|
bl = ctx->cipher->block_size;\
|
|
if(inl < bl) return 1;\
|
|
inl -= bl; \
|
|
for(i=0; i <= inl; i+=bl)
|
|
|
|
#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
|
|
static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
|
|
{\
|
|
BLOCK_CIPHER_ecb_loop() \
|
|
cprefix##_ecb_encrypt(in + i, out + i, &((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt);\
|
|
return 1;\
|
|
}
|
|
|
|
#define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
|
|
|
|
#define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
|
|
static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
|
|
{\
|
|
while(inl>=EVP_MAXCHUNK)\
|
|
{\
|
|
cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\
|
|
inl-=EVP_MAXCHUNK;\
|
|
in +=EVP_MAXCHUNK;\
|
|
out+=EVP_MAXCHUNK;\
|
|
}\
|
|
if (inl)\
|
|
cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\
|
|
return 1;\
|
|
}
|
|
|
|
#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
|
|
static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
|
|
{\
|
|
while(inl>=EVP_MAXCHUNK) \
|
|
{\
|
|
cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
|
|
inl-=EVP_MAXCHUNK;\
|
|
in +=EVP_MAXCHUNK;\
|
|
out+=EVP_MAXCHUNK;\
|
|
}\
|
|
if (inl)\
|
|
cprefix##_cbc_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
|
|
return 1;\
|
|
}
|
|
|
|
#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
|
|
static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
|
|
{\
|
|
size_t chunk=EVP_MAXCHUNK;\
|
|
if (cbits==1) chunk>>=3;\
|
|
if (inl<chunk) chunk=inl;\
|
|
while(inl && inl>=chunk)\
|
|
{\
|
|
cprefix##_cfb##cbits##_encrypt(in, out, (long)((cbits==1) && !(ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) ?inl*8:inl), &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\
|
|
inl-=chunk;\
|
|
in +=chunk;\
|
|
out+=chunk;\
|
|
if(inl<chunk) chunk=inl;\
|
|
}\
|
|
return 1;\
|
|
}
|
|
|
|
#define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
|
|
BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
|
|
BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
|
|
BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
|
|
BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
|
|
|
|
#define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
|
|
key_len, iv_len, flags, init_key, cleanup, \
|
|
set_asn1, get_asn1, ctrl) \
|
|
static const EVP_CIPHER cname##_##mode = { \
|
|
nid##_##nmode, block_size, key_len, iv_len, \
|
|
flags | EVP_CIPH_##MODE##_MODE, \
|
|
init_key, \
|
|
cname##_##mode##_cipher, \
|
|
cleanup, \
|
|
sizeof(kstruct), \
|
|
set_asn1, get_asn1,\
|
|
ctrl, \
|
|
NULL \
|
|
}; \
|
|
const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }
|
|
|
|
#define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, \
|
|
iv_len, flags, init_key, cleanup, set_asn1, \
|
|
get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
|
|
iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
|
|
|
|
#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
|
|
iv_len, cbits, flags, init_key, cleanup, \
|
|
set_asn1, get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
|
|
key_len, iv_len, flags, init_key, cleanup, set_asn1, \
|
|
get_asn1, ctrl)
|
|
|
|
#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
|
|
iv_len, cbits, flags, init_key, cleanup, \
|
|
set_asn1, get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
|
|
key_len, iv_len, flags, init_key, cleanup, set_asn1, \
|
|
get_asn1, ctrl)
|
|
|
|
#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
|
|
flags, init_key, cleanup, set_asn1, \
|
|
get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
|
|
0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
|
|
|
|
#define BLOCK_CIPHER_defs(cname, kstruct, \
|
|
nid, block_size, key_len, iv_len, cbits, flags, \
|
|
init_key, cleanup, set_asn1, get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
|
|
init_key, cleanup, set_asn1, get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
|
|
flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
|
|
flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
|
|
BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
|
|
init_key, cleanup, set_asn1, get_asn1, ctrl)
|
|
|
|
/*-
|
|
#define BLOCK_CIPHER_defs(cname, kstruct, \
|
|
nid, block_size, key_len, iv_len, flags,\
|
|
init_key, cleanup, set_asn1, get_asn1, ctrl)\
|
|
static const EVP_CIPHER cname##_cbc = {\
|
|
nid##_cbc, block_size, key_len, iv_len, \
|
|
flags | EVP_CIPH_CBC_MODE,\
|
|
init_key,\
|
|
cname##_cbc_cipher,\
|
|
cleanup,\
|
|
sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
|
|
sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
|
|
set_asn1, get_asn1,\
|
|
ctrl, \
|
|
NULL \
|
|
};\
|
|
const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
|
|
static const EVP_CIPHER cname##_cfb = {\
|
|
nid##_cfb64, 1, key_len, iv_len, \
|
|
flags | EVP_CIPH_CFB_MODE,\
|
|
init_key,\
|
|
cname##_cfb_cipher,\
|
|
cleanup,\
|
|
sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
|
|
sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
|
|
set_asn1, get_asn1,\
|
|
ctrl,\
|
|
NULL \
|
|
};\
|
|
const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
|
|
static const EVP_CIPHER cname##_ofb = {\
|
|
nid##_ofb64, 1, key_len, iv_len, \
|
|
flags | EVP_CIPH_OFB_MODE,\
|
|
init_key,\
|
|
cname##_ofb_cipher,\
|
|
cleanup,\
|
|
sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
|
|
sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
|
|
set_asn1, get_asn1,\
|
|
ctrl,\
|
|
NULL \
|
|
};\
|
|
const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
|
|
static const EVP_CIPHER cname##_ecb = {\
|
|
nid##_ecb, block_size, key_len, iv_len, \
|
|
flags | EVP_CIPH_ECB_MODE,\
|
|
init_key,\
|
|
cname##_ecb_cipher,\
|
|
cleanup,\
|
|
sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
|
|
sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
|
|
set_asn1, get_asn1,\
|
|
ctrl,\
|
|
NULL \
|
|
};\
|
|
const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
|
|
*/
|
|
|
|
#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
|
|
block_size, key_len, iv_len, cbits, \
|
|
flags, init_key, \
|
|
cleanup, set_asn1, get_asn1, ctrl) \
|
|
BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
|
|
BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
|
|
cbits, flags, init_key, cleanup, set_asn1, \
|
|
get_asn1, ctrl)
|
|
|
|
#define EVP_C_DATA(kstruct, ctx) ((kstruct *)(ctx)->cipher_data)
|
|
|
|
#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len) \
|
|
BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
|
|
BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
|
|
NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
|
|
0, cipher##_init_key, NULL, \
|
|
EVP_CIPHER_set_asn1_iv, \
|
|
EVP_CIPHER_get_asn1_iv, \
|
|
NULL)
|
|
|
|
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 */ ;
|
|
|
|
void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
|
|
|
|
int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
|
|
int passlen, ASN1_TYPE *param,
|
|
const EVP_CIPHER *c, const EVP_MD *md,
|
|
int en_de);
|
|
|
|
const EVP_MD *evp_get_fips_md(const EVP_MD *md);
|
|
const EVP_CIPHER *evp_get_fips_cipher(const EVP_CIPHER *cipher);
|
|
|
|
#ifdef OPENSSL_FIPS
|
|
|
|
# ifdef OPENSSL_DOING_MAKEDEPEND
|
|
# undef SHA1_Init
|
|
# undef SHA1_Update
|
|
# undef SHA224_Init
|
|
# undef SHA256_Init
|
|
# undef SHA384_Init
|
|
# undef SHA512_Init
|
|
# undef DES_set_key_unchecked
|
|
# endif
|
|
|
|
# define RIPEMD160_Init private_RIPEMD160_Init
|
|
# define WHIRLPOOL_Init private_WHIRLPOOL_Init
|
|
# define MD5_Init private_MD5_Init
|
|
# define MD4_Init private_MD4_Init
|
|
# define MD2_Init private_MD2_Init
|
|
# define MDC2_Init private_MDC2_Init
|
|
# define SHA_Init private_SHA_Init
|
|
# define SHA1_Init private_SHA1_Init
|
|
# define SHA224_Init private_SHA224_Init
|
|
# define SHA256_Init private_SHA256_Init
|
|
# define SHA384_Init private_SHA384_Init
|
|
# define SHA512_Init private_SHA512_Init
|
|
|
|
# define BF_set_key private_BF_set_key
|
|
# define CAST_set_key private_CAST_set_key
|
|
# define idea_set_encrypt_key private_idea_set_encrypt_key
|
|
# define SEED_set_key private_SEED_set_key
|
|
# define RC2_set_key private_RC2_set_key
|
|
# define RC4_set_key private_RC4_set_key
|
|
# define DES_set_key_unchecked private_DES_set_key_unchecked
|
|
# define Camellia_set_key private_Camellia_set_key
|
|
|
|
#endif
|