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author | Adam Langley <agl@google.com> | 2015-01-22 14:27:53 -0800 |
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committer | Adam Langley <agl@google.com> | 2015-01-30 16:52:14 -0800 |
commit | d9e397b599b13d642138480a28c14db7a136bf05 (patch) | |
tree | 34bab61dc4ce323b123ad4614dbc07e86ea2f9ef /src/crypto/digest/digests.c | |
download | external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.zip external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.tar.gz external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.tar.bz2 |
Initial commit of BoringSSL for Android.
Diffstat (limited to 'src/crypto/digest/digests.c')
-rw-r--r-- | src/crypto/digest/digests.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/src/crypto/digest/digests.c b/src/crypto/digest/digests.c new file mode 100644 index 0000000..ac00ed3 --- /dev/null +++ b/src/crypto/digest/digests.c @@ -0,0 +1,274 @@ +/* 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/md4.h> +#include <openssl/md5.h> +#include <openssl/obj.h> +#include <openssl/sha.h> + +#include "internal.h" + + +static int md4_init(EVP_MD_CTX *ctx) { return MD4_Init(ctx->md_data); } + +static int md4_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + return MD4_Update(ctx->md_data, data, count); +} + +static int md4_final(EVP_MD_CTX *ctx, unsigned char *out) { + return MD4_Final(out, ctx->md_data); +} + +static const EVP_MD md4_md = { + NID_md4, MD4_DIGEST_LENGTH, 0 /* flags */, md4_init, + md4_update, md4_final, 64 /* block size */, sizeof(MD4_CTX), +}; + +const EVP_MD *EVP_md4(void) { return &md4_md; } + + +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; } + + +typedef struct { + MD5_CTX md5; + SHA_CTX sha1; +} MD5_SHA1_CTX; + +static int md5_sha1_init(EVP_MD_CTX *md_ctx) { + MD5_SHA1_CTX *ctx = md_ctx->md_data; + return MD5_Init(&ctx->md5) && SHA1_Init(&ctx->sha1); +} + +static int md5_sha1_update(EVP_MD_CTX *md_ctx, const void *data, size_t count) { + MD5_SHA1_CTX *ctx = md_ctx->md_data; + return MD5_Update(&ctx->md5, data, count) && SHA1_Update(&ctx->sha1, data, count); +} + +static int md5_sha1_final(EVP_MD_CTX *md_ctx, unsigned char *out) { + MD5_SHA1_CTX *ctx = md_ctx->md_data; + if (!MD5_Final(out, &ctx->md5) || + !SHA1_Final(out + MD5_DIGEST_LENGTH, &ctx->sha1)) { + return 0; + } + return 1; +} + +static const EVP_MD md5_sha1_md = { + NID_md5_sha1, + MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH, + 0 /* flags */, + md5_sha1_init, + md5_sha1_update, + md5_sha1_final, + 64 /* block size */, + sizeof(MD5_SHA1_CTX), +}; + +const EVP_MD *EVP_md5_sha1(void) { return &md5_sha1_md; } + + +struct nid_to_digest { + int nid; + const EVP_MD* (*md_func)(void); +}; + +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_md5_sha1, EVP_md5_sha1 }, + { 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)); +} |