fips_dsa_util.c revision 726fad2a65f16c200a03969c29cb5c86c2d427db
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <sys/types.h>
#include <sys/sha1.h>
#define _SHA2_IMPL
#include <sys/sha2.h>
#ifdef _KERNEL
#include <sys/param.h>
#include <sys/kmem.h>
#else
#include <strings.h>
#include <cryptoutil.h>
#include "softMAC.h"
#endif
#include <security/cryptoki.h>
#include <sys/crypto/common.h>
#include <sha1/sha1_impl.h>
#define _DSA_FIPS_POST
#include <dsa/dsa_impl.h>
/* DSA Known P (1024-bits), Q (160-bits), and G (1024-bits) Values. */
static uint8_t dsa_P[] = {
0x80, 0xb0, 0xd1, 0x9d, 0x6e, 0xa4, 0xf3, 0x28,
0x9f, 0x24, 0xa9, 0x8a, 0x49, 0xd0, 0x0c, 0x63,
0xe8, 0x59, 0x04, 0xf9, 0x89, 0x4a, 0x5e, 0xc0,
0x6d, 0xd2, 0x67, 0x6b, 0x37, 0x81, 0x83, 0x0c,
0xfe, 0x3a, 0x8a, 0xfd, 0xa0, 0x3b, 0x08, 0x91,
0x1c, 0xcb, 0xb5, 0x63, 0xb0, 0x1c, 0x70, 0xd0,
0xae, 0xe1, 0x60, 0x2e, 0x12, 0xeb, 0x54, 0xc7,
0xcf, 0xc6, 0xcc, 0xae, 0x97, 0x52, 0x32, 0x63,
0xd3, 0xeb, 0x55, 0xea, 0x2f, 0x4c, 0xd5, 0xd7,
0x3f, 0xda, 0xec, 0x49, 0x27, 0x0b, 0x14, 0x56,
0xc5, 0x09, 0xbe, 0x4d, 0x09, 0x15, 0x75, 0x2b,
0xa3, 0x42, 0x0d, 0x03, 0x71, 0xdf, 0x0f, 0xf4,
0x0e, 0xe9, 0x0c, 0x46, 0x93, 0x3d, 0x3f, 0xa6,
0x6c, 0xdb, 0xca, 0xe5, 0xac, 0x96, 0xc8, 0x64,
0x5c, 0xec, 0x4b, 0x35, 0x65, 0xfc, 0xfb, 0x5a,
0x1b, 0x04, 0x1b, 0xa1, 0x0e, 0xfd, 0x88, 0x15
};
static uint8_t dsa_Q[] = {
0xad, 0x22, 0x59, 0xdf, 0xe5, 0xec, 0x4c, 0x6e,
0xf9, 0x43, 0xf0, 0x4b, 0x2d, 0x50, 0x51, 0xc6,
0x91, 0x99, 0x8b, 0xcf
};
static uint8_t dsa_G[] = {
0x78, 0x6e, 0xa9, 0xd8, 0xcd, 0x4a, 0x85, 0xa4,
0x45, 0xb6, 0x6e, 0x5d, 0x21, 0x50, 0x61, 0xf6,
0x5f, 0xdf, 0x5c, 0x7a, 0xde, 0x0d, 0x19, 0xd3,
0xc1, 0x3b, 0x14, 0xcc, 0x8e, 0xed, 0xdb, 0x17,
0xb6, 0xca, 0xba, 0x86, 0xa9, 0xea, 0x51, 0x2d,
0xc1, 0xa9, 0x16, 0xda, 0xf8, 0x7b, 0x59, 0x8a,
0xdf, 0xcb, 0xa4, 0x67, 0x00, 0x44, 0xea, 0x24,
0x73, 0xe5, 0xcb, 0x4b, 0xaf, 0x2a, 0x31, 0x25,
0x22, 0x28, 0x3f, 0x16, 0x10, 0x82, 0xf7, 0xeb,
0x94, 0x0d, 0xdd, 0x09, 0x22, 0x14, 0x08, 0x79,
0xba, 0x11, 0x0b, 0xf1, 0xff, 0x2d, 0x67, 0xac,
0xeb, 0xb6, 0x55, 0x51, 0x69, 0x97, 0xa7, 0x25,
0x6b, 0x9c, 0xa0, 0x9b, 0xd5, 0x08, 0x9b, 0x27,
0x42, 0x1c, 0x7a, 0x69, 0x57, 0xe6, 0x2e, 0xed,
0xa9, 0x5b, 0x25, 0xe8, 0x1f, 0xd2, 0xed, 0x1f,
0xdf, 0xe7, 0x80, 0x17, 0xba, 0x0d, 0x4d, 0x38
};
/*
* DSA Known Random Values (known random key block is 160-bits)
* and (known random signature block is 160-bits).
*/
static uint8_t dsa_known_random_key_block[] = {
"This is DSA RNG key!"
};
static uint8_t dsa_known_random_signature_block[] = {
"Random DSA Signature"
};
/* DSA Known Digest (160-bits) */
static uint8_t dsa_known_digest[] = {
"DSA Signature Digest"
};
/* DSA Known Signature (320-bits). */
static uint8_t dsa_known_signature[] = {
0x25, 0x7c, 0x3a, 0x79, 0x32, 0x45, 0xb7, 0x32,
0x70, 0xca, 0x62, 0x63, 0x2b, 0xf6, 0x29, 0x2c,
0x22, 0x2a, 0x03, 0xce, 0x65, 0x02, 0x72, 0x5a,
0x66, 0x29, 0xcf, 0x56, 0xe6, 0xdf, 0xb0, 0xcc,
0x53, 0x72, 0x56, 0x70, 0x92, 0xb5, 0x45, 0x75
};
static int
fips_dsa_random_func(void *buf, size_t buflen)
{
/* should not happen */
if (buflen != FIPS_DSA_SEED_LENGTH)
return (-1);
(void) memcpy(buf, dsa_known_random_key_block,
FIPS_DSA_SEED_LENGTH);
return (0);
}
static int
fips_dsa_signature_func(void *buf, size_t buflen)
{
/* should not happen */
if (buflen != FIPS_DSA_SEED_LENGTH)
return (-1);
(void) memcpy(buf, dsa_known_random_signature_block,
FIPS_DSA_SEED_LENGTH);
return (0);
}
int
fips_dsa_genkey_pair(DSAbytekey *bkey)
{
return (dsa_genkey_pair(bkey));
}
int
fips_dsa_digest_sign(DSAbytekey *bkey,
uint8_t *in, uint32_t inlen, uint8_t *out)
{
CK_RV rv;
SHA1_CTX *sha1_context;
uint8_t sha1_computed_digest[FIPS_DSA_DIGEST_LENGTH];
sha1_context = fips_sha1_build_context();
if (sha1_context == NULL)
return (CKR_HOST_MEMORY);
rv = fips_sha1_hash(sha1_context, in, inlen, sha1_computed_digest);
if (rv != CKR_OK)
goto clean1;
rv = dsa_sign(bkey, sha1_computed_digest, FIPS_DSA_DIGEST_LENGTH, out);
clean1:
#ifdef _KERNEL
kmem_free(sha1_context, sizeof (SHA1_CTX));
#else
free(sha1_context);
#endif
return (rv);
}
int
fips_dsa_verify(DSAbytekey *bkey, uint8_t *data, uint8_t *sig)
{
CK_RV rv;
SHA1_CTX *sha1_context;
uint8_t sha1_computed_digest[FIPS_DSA_DIGEST_LENGTH];
sha1_context = fips_sha1_build_context();
if (sha1_context == NULL)
return (CKR_HOST_MEMORY);
rv = fips_sha1_hash(sha1_context, data, FIPS_DSA_DIGEST_LENGTH,
sha1_computed_digest);
if (rv != CKR_OK)
goto clean1;
rv = dsa_verify(bkey, sha1_computed_digest, sig);
clean1:
#ifdef _KERNEL
kmem_free(sha1_context, sizeof (SHA1_CTX));
#else
free(sha1_context);
#endif
return (rv);
}
/*
* DSA Power-On SelfTest(s).
*/
int
fips_dsa_post(void)
{
DSAbytekey dsa_params;
CK_RV rv;
uint8_t dsa_computed_signature[FIPS_DSA_SIGNATURE_LENGTH];
/*
* Generate a DSA public/private key pair.
*/
dsa_params.prime = dsa_P;
dsa_params.prime_bits = CRYPTO_BYTES2BITS(FIPS_DSA_PRIME_LENGTH);
dsa_params.subprime = dsa_Q;
dsa_params.subprime_bits = CRYPTO_BYTES2BITS(FIPS_DSA_SUBPRIME_LENGTH);
dsa_params.base = dsa_G;
dsa_params.base_bytes = FIPS_DSA_BASE_LENGTH;
dsa_params.rfunc = fips_dsa_random_func;
rv = fips_dsa_genkey_pair(&dsa_params);
if (rv != CKR_OK)
return (CKR_DEVICE_ERROR);
/*
* DSA Known Answer Signature Test
*/
dsa_params.rfunc = fips_dsa_signature_func;
/* Perform DSA signature process. */
rv = fips_dsa_digest_sign(&dsa_params,
dsa_known_digest, FIPS_DSA_DIGEST_LENGTH, dsa_computed_signature);
if ((rv != CKR_OK) ||
(memcmp(dsa_computed_signature, dsa_known_signature,
FIPS_DSA_SIGNATURE_LENGTH) != 0)) {
goto clean;
}
/*
* DSA Known Answer Verification Test
*/
/* Perform DSA verification process. */
rv = fips_dsa_verify(&dsa_params,
dsa_known_digest, dsa_computed_signature);
clean:
if (rv != CKR_OK)
return (CKR_DEVICE_ERROR);
else
return (CKR_OK);
}