blob: b757ea88b79db5417bbc63c20da705f1c5949897 [file] [log] [blame]
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.] */
#include <openssl/digest.h>
#include <openssl/md5.h>
#include <openssl/obj.h>
#include <openssl/sha.h>
#include "internal.h"
static int md5_init(EVP_MD_CTX *ctx) { return MD5_Init(ctx->md_data); }
static int md5_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
return MD5_Update(ctx->md_data, data, count);
}
static int md5_final(EVP_MD_CTX *ctx, unsigned char *out) {
return MD5_Final(out, ctx->md_data);
}
static const EVP_MD md5_md = {
NID_md5, MD5_DIGEST_LENGTH, 0 /* flags */, md5_init,
md5_update, md5_final, 64 /* block size */, sizeof(MD5_CTX),
};
const EVP_MD *EVP_md5(void) { return &md5_md; }
static int sha1_init(EVP_MD_CTX *ctx) { return SHA1_Init(ctx->md_data); }
static int sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
return SHA1_Update(ctx->md_data, data, count);
}
static int sha1_final(EVP_MD_CTX *ctx, unsigned char *md) {
return SHA1_Final(md, ctx->md_data);
}
static const EVP_MD sha1_md = {
NID_sha1, SHA_DIGEST_LENGTH, 0 /* flags */, sha1_init,
sha1_update, sha1_final, 64 /* block size */, sizeof(SHA_CTX),
};
const EVP_MD *EVP_sha1(void) { return &sha1_md; }
static int sha224_init(EVP_MD_CTX *ctx) { return SHA224_Init(ctx->md_data); }
static int sha224_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
return SHA224_Update(ctx->md_data, data, count);
}
static int sha224_final(EVP_MD_CTX *ctx, unsigned char *md) {
return SHA224_Final(md, ctx->md_data);
}
static const EVP_MD sha224_md = {
NID_sha224, SHA224_DIGEST_LENGTH, 0 /* flags */,
sha224_init, sha224_update, sha224_final,
64 /* block size */, sizeof(SHA256_CTX),
};
const EVP_MD *EVP_sha224(void) { return &sha224_md; }
static int sha256_init(EVP_MD_CTX *ctx) { return SHA256_Init(ctx->md_data); }
static int sha256_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
return SHA256_Update(ctx->md_data, data, count);
}
static int sha256_final(EVP_MD_CTX *ctx, unsigned char *md) {
return SHA256_Final(md, ctx->md_data);
}
static const EVP_MD sha256_md = {
NID_sha256, SHA256_DIGEST_LENGTH, 0 /* flags */,
sha256_init, sha256_update, sha256_final,
64 /* block size */, sizeof(SHA256_CTX),
};
const EVP_MD *EVP_sha256(void) { return &sha256_md; }
static int sha384_init(EVP_MD_CTX *ctx) { return SHA384_Init(ctx->md_data); }
static int sha384_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
return SHA384_Update(ctx->md_data, data, count);
}
static int sha384_final(EVP_MD_CTX *ctx, unsigned char *md) {
return SHA384_Final(md, ctx->md_data);
}
static const EVP_MD sha384_md = {
NID_sha384, SHA384_DIGEST_LENGTH, 0 /* flags */,
sha384_init, sha384_update, sha384_final,
128 /* block size */, sizeof(SHA512_CTX),
};
const EVP_MD *EVP_sha384(void) { return &sha384_md; }
static int sha512_init(EVP_MD_CTX *ctx) { return SHA512_Init(ctx->md_data); }
static int sha512_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
return SHA512_Update(ctx->md_data, data, count);
}
static int sha512_final(EVP_MD_CTX *ctx, unsigned char *md) {
return SHA512_Final(md, ctx->md_data);
}
static const EVP_MD sha512_md = {
NID_sha512, SHA512_DIGEST_LENGTH, 0 /* flags */,
sha512_init, sha512_update, sha512_final,
128 /* block size */, sizeof(SHA512_CTX),
};
const EVP_MD *EVP_sha512(void) { return &sha512_md; }
struct nid_to_digest {
int nid;
const EVP_MD *(*md_func)();
};
static const struct nid_to_digest nid_to_digest_mapping[] = {
{ NID_md5, EVP_md5 },
{ NID_sha1, EVP_sha1 },
{ NID_sha224, EVP_sha224 },
{ NID_sha256, EVP_sha256 },
{ NID_sha384, EVP_sha384 },
{ NID_sha512, EVP_sha512 },
{ NID_dsaWithSHA, EVP_sha1 },
{ NID_dsaWithSHA1, EVP_sha1 },
{ NID_ecdsa_with_SHA1, EVP_sha1 },
{ NID_md5WithRSAEncryption, EVP_md5 },
{ NID_sha1WithRSAEncryption, EVP_sha1 },
{ NID_sha224WithRSAEncryption, EVP_sha224 },
{ NID_sha256WithRSAEncryption, EVP_sha256 },
{ NID_sha384WithRSAEncryption, EVP_sha384 },
{ NID_sha512WithRSAEncryption, EVP_sha512 },
};
const EVP_MD* EVP_get_digestbynid(int nid) {
unsigned i;
for (i = 0; i < sizeof(nid_to_digest_mapping) / sizeof(struct nid_to_digest);
i++) {
if (nid_to_digest_mapping[i].nid == nid) {
return nid_to_digest_mapping[i].md_func();
}
}
return NULL;
}
const EVP_MD* EVP_get_digestbyobj(const ASN1_OBJECT *obj) {
return EVP_get_digestbynid(OBJ_obj2nid(obj));
}