[CRYPTO] sha256-generic: Extend sha256_generic.c to support SHA-224
Resubmitting this patch which extends sha256_generic.c to support SHA-224 as described in FIPS 180-2 and RFC 3874. HMAC-SHA-224 as described in RFC4231 is then supported through the hmac interface. Patch includes test vectors for SHA-224 and HMAC-SHA-224. SHA-224 chould be chosen as a hash algorithm when 112 bits of security strength is required. Patch generated against the 2.6.24-rc1 kernel and tested against 2.6.24-rc1-git14 which includes fix for scatter gather implementation for HMAC. Signed-off-by: Jonathan Lynch <jonathan.lynch@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jonathan Lynch
Herbert Xu
parent
cd7c3bfe54
commit
cd12fb906d
5 changed files with 241 additions and 12 deletions
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@ -91,7 +91,7 @@ config CRYPTO_SHA1
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SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
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config CRYPTO_SHA256
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tristate "SHA256 digest algorithm"
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tristate "SHA224 and SHA256 digest algorithm"
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select CRYPTO_ALGAPI
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help
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SHA256 secure hash standard (DFIPS 180-2).
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@ -99,6 +99,9 @@ config CRYPTO_SHA256
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This version of SHA implements a 256 bit hash with 128 bits of
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security against collision attacks.
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This code also includes SHA-224, a 224 bit hash with 112 bits
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of security against collision attacks.
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config CRYPTO_SHA512
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tristate "SHA384 and SHA512 digest algorithms"
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select CRYPTO_ALGAPI
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@ -9,6 +9,7 @@
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* Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
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* Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
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* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
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* SHA224 Support Copyright 2007 Intel Corporation <jonathan.lynch@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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@ -218,6 +219,22 @@ static void sha256_transform(u32 *state, const u8 *input)
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memset(W, 0, 64 * sizeof(u32));
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}
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static void sha224_init(struct crypto_tfm *tfm)
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{
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struct sha256_ctx *sctx = crypto_tfm_ctx(tfm);
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sctx->state[0] = SHA224_H0;
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sctx->state[1] = SHA224_H1;
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sctx->state[2] = SHA224_H2;
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sctx->state[3] = SHA224_H3;
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sctx->state[4] = SHA224_H4;
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sctx->state[5] = SHA224_H5;
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sctx->state[6] = SHA224_H6;
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sctx->state[7] = SHA224_H7;
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sctx->count[0] = 0;
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sctx->count[1] = 0;
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}
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static void sha256_init(struct crypto_tfm *tfm)
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{
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struct sha256_ctx *sctx = crypto_tfm_ctx(tfm);
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@ -294,8 +311,17 @@ static void sha256_final(struct crypto_tfm *tfm, u8 *out)
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memset(sctx, 0, sizeof(*sctx));
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}
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static void sha224_final(struct crypto_tfm *tfm, u8 *hash)
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{
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u8 D[SHA256_DIGEST_SIZE];
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static struct crypto_alg alg = {
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sha256_final(tfm, D);
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memcpy(hash, D, SHA224_DIGEST_SIZE);
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memset(D, 0, SHA256_DIGEST_SIZE);
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}
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static struct crypto_alg sha256 = {
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.cra_name = "sha256",
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.cra_driver_name= "sha256-generic",
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.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
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@ -303,28 +329,58 @@ static struct crypto_alg alg = {
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.cra_ctxsize = sizeof(struct sha256_ctx),
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.cra_module = THIS_MODULE,
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.cra_alignmask = 3,
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.cra_list = LIST_HEAD_INIT(alg.cra_list),
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.cra_list = LIST_HEAD_INIT(sha256.cra_list),
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.cra_u = { .digest = {
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.dia_digestsize = SHA256_DIGEST_SIZE,
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.dia_init = sha256_init,
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.dia_update = sha256_update,
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.dia_final = sha256_final } }
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.dia_init = sha256_init,
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.dia_update = sha256_update,
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.dia_final = sha256_final } }
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};
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static struct crypto_alg sha224 = {
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.cra_name = "sha224",
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.cra_driver_name = "sha224-generic",
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.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
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.cra_blocksize = SHA224_BLOCK_SIZE,
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.cra_ctxsize = sizeof(struct sha256_ctx),
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.cra_module = THIS_MODULE,
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.cra_alignmask = 3,
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.cra_list = LIST_HEAD_INIT(sha224.cra_list),
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.cra_u = { .digest = {
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.dia_digestsize = SHA224_DIGEST_SIZE,
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.dia_init = sha224_init,
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.dia_update = sha256_update,
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.dia_final = sha224_final } }
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};
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static int __init init(void)
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{
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return crypto_register_alg(&alg);
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int ret = 0;
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ret = crypto_register_alg(&sha224);
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if (ret < 0)
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return ret;
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ret = crypto_register_alg(&sha256);
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if (ret < 0)
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crypto_unregister_alg(&sha224);
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return ret;
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}
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static void __exit fini(void)
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{
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crypto_unregister_alg(&alg);
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crypto_unregister_alg(&sha224);
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crypto_unregister_alg(&sha256);
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}
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module_init(init);
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module_exit(fini);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("SHA256 Secure Hash Algorithm");
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MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm");
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MODULE_ALIAS("sha224");
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MODULE_ALIAS("sha256");
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@ -12,6 +12,7 @@
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* 2007-11-06 Added SHA-224 and SHA-224-HMAC tests
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* 2006-12-07 Added SHA384 HMAC and SHA512 HMAC tests
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* 2004-08-09 Added cipher speed tests (Reyk Floeter <reyk@vantronix.net>)
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* 2003-09-14 Rewritten by Kartikey Mahendra Bhatt
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@ -74,8 +75,9 @@ static char *xbuf;
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static char *tvmem;
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static char *check[] = {
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"des", "md5", "des3_ede", "rot13", "sha1", "sha256", "blowfish",
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"twofish", "serpent", "sha384", "sha512", "md4", "aes", "cast6",
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"des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
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"blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
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"cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
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"arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
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"khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
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"camellia", "seed", NULL
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@ -918,6 +920,8 @@ static void do_test(void)
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test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
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test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
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test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
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//BLOWFISH
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@ -1067,6 +1071,8 @@ static void do_test(void)
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HMAC_MD5_TEST_VECTORS);
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test_hash("hmac(sha1)", hmac_sha1_tv_template,
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HMAC_SHA1_TEST_VECTORS);
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test_hash("hmac(sha224)", hmac_sha224_tv_template,
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HMAC_SHA224_TEST_VECTORS);
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test_hash("hmac(sha256)", hmac_sha256_tv_template,
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HMAC_SHA256_TEST_VECTORS);
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test_hash("hmac(sha384)", hmac_sha384_tv_template,
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@ -1299,6 +1305,9 @@ static void do_test(void)
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camellia_cbc_dec_tv_template,
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CAMELLIA_CBC_DEC_TEST_VECTORS);
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break;
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case 33:
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test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
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break;
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case 100:
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test_hash("hmac(md5)", hmac_md5_tv_template,
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@ -1324,7 +1333,10 @@ static void do_test(void)
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test_hash("hmac(sha512)", hmac_sha512_tv_template,
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HMAC_SHA512_TEST_VECTORS);
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break;
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case 105:
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test_hash("hmac(sha224)", hmac_sha224_tv_template,
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HMAC_SHA224_TEST_VECTORS);
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break;
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case 200:
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test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
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@ -1459,6 +1471,10 @@ static void do_test(void)
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test_hash_speed("tgr192", sec, generic_hash_speed_template);
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if (mode > 300 && mode < 400) break;
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case 313:
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test_hash_speed("sha224", sec, generic_hash_speed_template);
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if (mode > 300 && mode < 400) break;
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case 399:
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break;
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142
crypto/tcrypt.h
142
crypto/tcrypt.h
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@ -173,6 +173,33 @@ static struct hash_testvec sha1_tv_template[] = {
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}
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};
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/*
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* SHA224 test vectors from from FIPS PUB 180-2
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*/
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#define SHA224_TEST_VECTORS 2
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static struct hash_testvec sha224_tv_template[] = {
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{
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.plaintext = "abc",
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.psize = 3,
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.digest = { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22,
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0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3,
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0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7,
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0xE3, 0x6C, 0x9D, 0xA7},
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}, {
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.plaintext =
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
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.psize = 56,
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.digest = { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC,
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0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50,
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0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19,
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0x52, 0x52, 0x25, 0x25 },
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.np = 2,
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.tap = { 28, 28 }
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}
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};
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/*
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* SHA256 test vectors from from NIST
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*/
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@ -817,6 +844,121 @@ static struct hash_testvec hmac_sha1_tv_template[] = {
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},
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};
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/*
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* SHA224 HMAC test vectors from RFC4231
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*/
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#define HMAC_SHA224_TEST_VECTORS 4
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static struct hash_testvec hmac_sha224_tv_template[] = {
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{
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.key = { 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
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0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
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0x0b, 0x0b, 0x0b, 0x0b },
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.ksize = 20,
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/* ("Hi There") */
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.plaintext = { 0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65 },
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.psize = 8,
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.digest = { 0x89, 0x6f, 0xb1, 0x12, 0x8a, 0xbb, 0xdf, 0x19,
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0x68, 0x32, 0x10, 0x7c, 0xd4, 0x9d, 0xf3, 0x3f,
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0x47, 0xb4, 0xb1, 0x16, 0x99, 0x12, 0xba, 0x4f,
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0x53, 0x68, 0x4b, 0x22},
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}, {
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.key = { 0x4a, 0x65, 0x66, 0x65 }, /* ("Jefe") */
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.ksize = 4,
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/* ("what do ya want for nothing?") */
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.plaintext = { 0x77, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20,
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0x79, 0x61, 0x20, 0x77, 0x61, 0x6e, 0x74, 0x20,
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0x66, 0x6f, 0x72, 0x20, 0x6e, 0x6f, 0x74, 0x68,
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0x69, 0x6e, 0x67, 0x3f },
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.psize = 28,
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.digest = { 0xa3, 0x0e, 0x01, 0x09, 0x8b, 0xc6, 0xdb, 0xbf,
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0x45, 0x69, 0x0f, 0x3a, 0x7e, 0x9e, 0x6d, 0x0f,
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0x8b, 0xbe, 0xa2, 0xa3, 0x9e, 0x61, 0x48, 0x00,
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0x8f, 0xd0, 0x5e, 0x44 },
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.np = 4,
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.tap = { 7, 7, 7, 7 }
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}, {
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.key = { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa },
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.ksize = 131,
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/* ("Test Using Larger Than Block-Size Key - Hash Key First") */
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.plaintext = { 0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x73, 0x69,
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0x6e, 0x67, 0x20, 0x4c, 0x61, 0x72, 0x67, 0x65,
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0x72, 0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x42,
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0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x53, 0x69, 0x7a,
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0x65, 0x20, 0x4b, 0x65, 0x79, 0x20, 0x2d, 0x20,
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0x48, 0x61, 0x73, 0x68, 0x20, 0x4b, 0x65, 0x79,
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0x20, 0x46, 0x69, 0x72, 0x73, 0x74 },
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.psize = 54,
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.digest = { 0x95, 0xe9, 0xa0, 0xdb, 0x96, 0x20, 0x95, 0xad,
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0xae, 0xbe, 0x9b, 0x2d, 0x6f, 0x0d, 0xbc, 0xe2,
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0xd4, 0x99, 0xf1, 0x12, 0xf2, 0xd2, 0xb7, 0x27,
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0x3f, 0xa6, 0x87, 0x0e },
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}, {
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.key = { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
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0xaa, 0xaa, 0xaa },
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.ksize = 131,
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/* ("This is a test using a larger than block-size key and a")
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(" larger than block-size data. The key needs to be")
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(" hashed before being used by the HMAC algorithm.") */
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.plaintext = { 0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20,
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0x61, 0x20, 0x74, 0x65, 0x73, 0x74, 0x20, 0x75,
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0x73, 0x69, 0x6e, 0x67, 0x20, 0x61, 0x20, 0x6c,
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0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74, 0x68,
|
||||
0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63, 0x6b,
|
||||
0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6b, 0x65,
|
||||
0x79, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x61, 0x20,
|
||||
0x6c, 0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74,
|
||||
0x68, 0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63,
|
||||
0x6b, 0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x64,
|
||||
0x61, 0x74, 0x61, 0x2e, 0x20, 0x54, 0x68, 0x65,
|
||||
0x20, 0x6b, 0x65, 0x79, 0x20, 0x6e, 0x65, 0x65,
|
||||
0x64, 0x73, 0x20, 0x74, 0x6f, 0x20, 0x62, 0x65,
|
||||
0x20, 0x68, 0x61, 0x73, 0x68, 0x65, 0x64, 0x20,
|
||||
0x62, 0x65, 0x66, 0x6f, 0x72, 0x65, 0x20, 0x62,
|
||||
0x65, 0x69, 0x6e, 0x67, 0x20, 0x75, 0x73, 0x65,
|
||||
0x64, 0x20, 0x62, 0x79, 0x20, 0x74, 0x68, 0x65,
|
||||
0x20, 0x48, 0x4d, 0x41, 0x43, 0x20, 0x61, 0x6c,
|
||||
0x67, 0x6f, 0x72, 0x69, 0x74, 0x68, 0x6d, 0x2e },
|
||||
.psize = 152,
|
||||
.digest = { 0x3a, 0x85, 0x41, 0x66, 0xac, 0x5d, 0x9f, 0x02,
|
||||
0x3f, 0x54, 0xd5, 0x17, 0xd0, 0xb3, 0x9d, 0xbd,
|
||||
0x94, 0x67, 0x70, 0xdb, 0x9c, 0x2b, 0x95, 0xc9,
|
||||
0xf6, 0xf5, 0x65, 0xd1 },
|
||||
},
|
||||
};
|
||||
|
||||
/*
|
||||
* HMAC-SHA256 test vectors from
|
||||
* draft-ietf-ipsec-ciph-sha-256-01.txt
|
||||
|
|
|
|||
|
|
@ -8,6 +8,9 @@
|
|||
#define SHA1_DIGEST_SIZE 20
|
||||
#define SHA1_BLOCK_SIZE 64
|
||||
|
||||
#define SHA224_DIGEST_SIZE 28
|
||||
#define SHA224_BLOCK_SIZE 64
|
||||
|
||||
#define SHA256_DIGEST_SIZE 32
|
||||
#define SHA256_BLOCK_SIZE 64
|
||||
|
||||
|
|
@ -23,6 +26,15 @@
|
|||
#define SHA1_H3 0x10325476UL
|
||||
#define SHA1_H4 0xc3d2e1f0UL
|
||||
|
||||
#define SHA224_H0 0xc1059ed8UL
|
||||
#define SHA224_H1 0x367cd507UL
|
||||
#define SHA224_H2 0x3070dd17UL
|
||||
#define SHA224_H3 0xf70e5939UL
|
||||
#define SHA224_H4 0xffc00b31UL
|
||||
#define SHA224_H5 0x68581511UL
|
||||
#define SHA224_H6 0x64f98fa7UL
|
||||
#define SHA224_H7 0xbefa4fa4UL
|
||||
|
||||
#define SHA256_H0 0x6a09e667UL
|
||||
#define SHA256_H1 0xbb67ae85UL
|
||||
#define SHA256_H2 0x3c6ef372UL
|
||||
|
|
|
|||
Loading…
Reference in a new issue