| /* 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)); |
| } |