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author | Niels Möller <nisse@lysator.liu.se> | 2003-01-23 23:42:04 +0100 |
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committer | Niels Möller <nisse@lysator.liu.se> | 2003-01-23 23:42:04 +0100 |
commit | 5e6440f059550340b24509a20ac6e35b3215b1f5 (patch) | |
tree | 0fb20f3b9c9e6c4d998897852b8116ef3b9558c0 /rsa-md5-verify.c | |
parent | 97453327a55aeaaebd620a7d1776fba694f6d727 (diff) | |
download | nettle-5e6440f059550340b24509a20ac6e35b3215b1f5.tar.gz |
* rsa_md5.c, rsa_sha1.c: Deleted files, contents spread over
several files for signing and verification.
* rsa-sign.c, rsa-sha1-verify.c, rsa-sha1-sign.c,
rsa-md5-verify.c, rsa-md5-sign.c: New files.
* rsa-sha1-verify.c (rsa_sha1_verify_digest): New function.
* rsa-sha1-sign.c (rsa_sha1_sign_digest): New function.
* rsa-md5-verify.c (rsa_md5_verify_digest): New function.
* rsa-md5-sign.c (rsa_md5_sign_digest): New function.
* rsa-verify.c (_rsa_verify): New file, new function.
* rsa.c (_rsa_check_size): Renamed from rsa_check_size, and made
non-static. Private key functions moved to rsa-sign.c.
Rev: src/nettle/rsa-md5-sign.c:1.1
Rev: src/nettle/rsa-md5-verify.c:1.1
Rev: src/nettle/rsa-sha1-sign.c:1.1
Rev: src/nettle/rsa-sha1-verify.c:1.1
Rev: src/nettle/rsa-sign.c:1.1
Rev: src/nettle/rsa-verify.c:1.1
Rev: src/nettle/rsa.c:1.10
Rev: src/nettle/rsa.h:1.18
Diffstat (limited to 'rsa-md5-verify.c')
-rw-r--r-- | rsa-md5-verify.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/rsa-md5-verify.c b/rsa-md5-verify.c new file mode 100644 index 00000000..727cc8e6 --- /dev/null +++ b/rsa-md5-verify.c @@ -0,0 +1,78 @@ +/* rsa-md5-verify.c + * + * Verifying signatures created with RSA and MD5. + */ + +/* nettle, low-level cryptographics library + * + * Copyright (C) 2001, 2003 Niels Möller + * + * The nettle library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. + * + * The nettle library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with the nettle library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#if WITH_PUBLIC_KEY + +#include "rsa.h" + +#include "bignum.h" +#include "pkcs1.h" + +#include <assert.h> + +int +rsa_md5_verify(const struct rsa_public_key *key, + struct md5_ctx *hash, + const mpz_t s) +{ + int res; + mpz_t m; + + assert(key->size >= RSA_MINIMUM_N_OCTETS); + mpz_init(m); + + pkcs1_rsa_md5_encode(m, key->size - 1, hash); + res = _rsa_verify(key, m, s); + + mpz_clear(m); + + return res; +} + +int +rsa_md5_verify_digest(const struct rsa_public_key *key, + const uint8_t *digest, + const mpz_t s) +{ + int res; + mpz_t m; + + assert(key->size >= RSA_MINIMUM_N_OCTETS); + + mpz_init(m); + + pkcs1_rsa_md5_encode_digest(m, key->size - 1, digest); + res = _rsa_verify(key, m, s); + + mpz_clear(m); + + return res; +} + +#endif /* WITH_PUBLIC_KEY */ |