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Remove Dual EC DRBG from FIPS module.

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This commit is contained in:
Dr. Stephen Henson 2013-12-09 21:54:50 +00:00
parent 4089bd6080
commit 200f249b8c
8 changed files with 2 additions and 2265 deletions
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12
fips/fips_test_suite.c
View File

@ -714,18 +714,6 @@ static int do_drbg_all(void)
{NID_aes_128_ctr, DRBG_FLAG_CTR_USE_DF}, {NID_aes_128_ctr, DRBG_FLAG_CTR_USE_DF},
{NID_aes_192_ctr, DRBG_FLAG_CTR_USE_DF}, {NID_aes_192_ctr, DRBG_FLAG_CTR_USE_DF},
{NID_aes_256_ctr, DRBG_FLAG_CTR_USE_DF}, {NID_aes_256_ctr, DRBG_FLAG_CTR_USE_DF},
{(NID_X9_62_prime256v1 << 16)|NID_sha1, 0},
{(NID_X9_62_prime256v1 << 16)|NID_sha224, 0},
{(NID_X9_62_prime256v1 << 16)|NID_sha256, 0},
{(NID_X9_62_prime256v1 << 16)|NID_sha384, 0},
{(NID_X9_62_prime256v1 << 16)|NID_sha512, 0},
{(NID_secp384r1 << 16)|NID_sha224, 0},
{(NID_secp384r1 << 16)|NID_sha256, 0},
{(NID_secp384r1 << 16)|NID_sha384, 0},
{(NID_secp384r1 << 16)|NID_sha512, 0},
{(NID_secp521r1 << 16)|NID_sha256, 0},
{(NID_secp521r1 << 16)|NID_sha384, 0},
{(NID_secp521r1 << 16)|NID_sha512, 0},
{0, 0} {0, 0}
}; };
DRBG_LIST *lst; DRBG_LIST *lst;

1
fips/fipsalgtest.pl
View File

@ -434,7 +434,6 @@ my @fips_drbg_test_list = (
# SP800-90 DRBG tests # SP800-90 DRBG tests
"SP800-90 DRBG", "SP800-90 DRBG",
[ "CTR_DRBG", "fips_drbgvs" ], [ "CTR_DRBG", "fips_drbgvs" ],
[ "Dual_EC_DRBG", "fips_drbgvs" ],
[ "Hash_DRBG", "fips_drbgvs" ], [ "Hash_DRBG", "fips_drbgvs" ],
[ "HMAC_DRBG", "fips_drbgvs" ] [ "HMAC_DRBG", "fips_drbgvs" ]

16
fips/rand/Makefile
View File

@ -23,10 +23,10 @@ APPS=
LIB=$(TOP)/libcrypto.a LIB=$(TOP)/libcrypto.a
LIBSRC= fips_rand.c fips_rand_selftest.c fips_drbg_lib.c \ LIBSRC= fips_rand.c fips_rand_selftest.c fips_drbg_lib.c \
fips_drbg_hash.c fips_drbg_hmac.c fips_drbg_ctr.c fips_drbg_ec.c \ fips_drbg_hash.c fips_drbg_hmac.c fips_drbg_ctr.c \
fips_drbg_selftest.c fips_drbg_rand.c fips_rand_lib.c fips_drbg_selftest.c fips_drbg_rand.c fips_rand_lib.c
LIBOBJ= fips_rand.o fips_rand_selftest.o fips_drbg_lib.o \ LIBOBJ= fips_rand.o fips_rand_selftest.o fips_drbg_lib.o \
fips_drbg_hash.o fips_drbg_hmac.o fips_drbg_ctr.o fips_drbg_ec.o \ fips_drbg_hash.o fips_drbg_hmac.o fips_drbg_ctr.o \
fips_drbg_selftest.o fips_drbg_rand.o fips_rand_lib.o fips_drbg_selftest.o fips_drbg_rand.o fips_rand_lib.o
SRC= $(LIBSRC) SRC= $(LIBSRC)
@ -105,18 +105,6 @@ fips_drbg_ctr.o: ../../include/openssl/ossl_typ.h
fips_drbg_ctr.o: ../../include/openssl/safestack.h fips_drbg_ctr.o: ../../include/openssl/safestack.h
fips_drbg_ctr.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h fips_drbg_ctr.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
fips_drbg_ctr.o: fips_drbg_ctr.c fips_rand_lcl.h fips_drbg_ctr.o: fips_drbg_ctr.c fips_rand_lcl.h
fips_drbg_ec.o: ../../include/openssl/aes.h ../../include/openssl/asn1.h
fips_drbg_ec.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
fips_drbg_ec.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
fips_drbg_ec.o: ../../include/openssl/ec.h ../../include/openssl/evp.h
fips_drbg_ec.o: ../../include/openssl/fips.h ../../include/openssl/fips_rand.h
fips_drbg_ec.o: ../../include/openssl/hmac.h ../../include/openssl/obj_mac.h
fips_drbg_ec.o: ../../include/openssl/objects.h
fips_drbg_ec.o: ../../include/openssl/opensslconf.h
fips_drbg_ec.o: ../../include/openssl/opensslv.h
fips_drbg_ec.o: ../../include/openssl/ossl_typ.h
fips_drbg_ec.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
fips_drbg_ec.o: ../../include/openssl/symhacks.h fips_drbg_ec.c fips_rand_lcl.h
fips_drbg_hash.o: ../../include/openssl/aes.h ../../include/openssl/asn1.h fips_drbg_hash.o: ../../include/openssl/aes.h ../../include/openssl/asn1.h
fips_drbg_hash.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h fips_drbg_hash.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h
fips_drbg_hash.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h fips_drbg_hash.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h

542
fips/rand/fips_drbg_ec.c
View File

@ -1,542 +0,0 @@
/* fips/rand/fips_drbg_ec.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 2011 The OpenSSL Project. All rights reserved.
*
* 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 above 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 acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*/
#define OPENSSL_FIPSAPI
#include <stdlib.h>
#include <string.h>
#include <openssl/crypto.h>
#include <openssl/fips.h>
#include <openssl/fips_rand.h>
#include <openssl/bn.h>
#include "fips_rand_lcl.h"
/*#define EC_DRBG_TRACE*/
#ifdef EC_DRBG_TRACE
static void hexprint(FILE *out, const unsigned char *buf, int buflen)
{
int i;
fprintf(out, "\t");
for (i = 0; i < buflen; i++)
fprintf(out, "%02X", buf[i]);
fprintf(out, "\n");
}
static void bnprint(FILE *out, const char *name, const BIGNUM *b)
{
unsigned char *tmp;
int len;
len = BN_num_bytes(b);
tmp = OPENSSL_malloc(len);
BN_bn2bin(b, tmp);
fprintf(out, "%s\n", name);
hexprint(out, tmp, len);
OPENSSL_free(tmp);
}
#if 0
static void ecprint(FILE *out, EC_GROUP *grp, EC_POINT *pt)
{
BIGNUM *x, *y;
x = BN_new();
y = BN_new();
EC_POINT_get_affine_coordinates_GFp(grp, pt, x, y, NULL);
bnprint(out, "\tPoint X: ", x);
bnprint(out, "\tPoint Y: ", y);
BN_free(x);
BN_free(y);
}
#endif
#endif
/* This is Hash_df from SP 800-90 10.4.1 */
static int hash_df(DRBG_CTX *dctx, unsigned char *out,
const unsigned char *in1, size_t in1len,
const unsigned char *in2, size_t in2len,
const unsigned char *in3, size_t in3len)
{
DRBG_EC_CTX *ectx = &dctx->d.ec;
EVP_MD_CTX *mctx = &ectx->mctx;
unsigned char *vtmp = ectx->vtmp;
unsigned char tmp[6];
size_t mdlen = M_EVP_MD_size(ectx->md);
/* Standard only ever needs seedlen bytes which is always less than
* maximum permitted so no need to check length.
*/
size_t outlen = dctx->seedlen;
size_t nbits = (outlen << 3) - ectx->exbits;
tmp[0] = 1;
tmp[1] = (nbits >> 24) & 0xff;
tmp[2] = (nbits >> 16) & 0xff;
tmp[3] = (nbits >> 8) & 0xff;
tmp[4] = nbits & 0xff;
if (!in1)
{
tmp[5] = (unsigned char)in1len;
in1 = tmp + 5;
in1len = 1;
}
for (;;)
{
if (!FIPS_digestinit(mctx, ectx->md))
return 0;
if (!FIPS_digestupdate(mctx, tmp, 5))
return 0;
if (in1 && !FIPS_digestupdate(mctx, in1, in1len))
return 0;
if (in2 && !FIPS_digestupdate(mctx, in2, in2len))
return 0;
if (in3 && !FIPS_digestupdate(mctx, in3, in3len))
return 0;
if (outlen < mdlen)
{
if (!FIPS_digestfinal(mctx, vtmp, NULL))
return 0;
memcpy(out, vtmp, outlen);
OPENSSL_cleanse(vtmp, mdlen);
return 1;
}
else if(!FIPS_digestfinal(mctx, out, NULL))
return 0;
outlen -= mdlen;
if (outlen == 0)
return 1;
tmp[0]++;
out += mdlen;
}
}
static int bn2binpad(unsigned char *to, size_t tolen, BIGNUM *b)
{
size_t blen;
blen = BN_num_bytes(b);
/* If BIGNUM length greater than buffer, mask to get rightmost
* bytes. NB: modifies b but this doesn't matter for our purposes.
*/
if (blen > tolen)
{
BN_mask_bits(b, tolen << 3);
/* Update length because mask operation might create leading
* zeroes.
*/
blen = BN_num_bytes(b);
}
/* If b length smaller than buffer pad with zeroes */
if (blen < tolen)
{
memset(to, 0, tolen - blen);
to += tolen - blen;
}
/* This call cannot fail */
BN_bn2bin(b, to);
return 1;
}
/* Convert buffer to a BIGNUM discarding extra bits if necessary */
static int bin2bnbits(DRBG_CTX *dctx, BIGNUM *r, const unsigned char *buf)
{
DRBG_EC_CTX *ectx = &dctx->d.ec;
if (!BN_bin2bn(buf, dctx->seedlen, r))
return 0;
/* If we have extra bits right shift off the end of r */
if (ectx->exbits)
{
if (!BN_rshift(r, r, ectx->exbits))
return 0;
}
return 1;
}
/* Calculate r = phi(s * P) or r= phi(s * Q) */
static int drbg_ec_mul(DRBG_EC_CTX *ectx, BIGNUM *r, const BIGNUM *s, int use_q)
{
if (use_q)
{
if (!EC_POINT_mul(ectx->curve, ectx->ptmp,
NULL, ectx->Q, s, ectx->bctx))
return 0;
}
else
{
if (!EC_POINT_mul(ectx->curve, ectx->ptmp,
s, NULL, NULL, ectx->bctx))
return 0;
}
/* Get x coordinate of result */
if (!EC_POINT_get_affine_coordinates_GFp(ectx->curve, ectx->ptmp, r,
NULL, ectx->bctx))
return 0;
return 1;
}
static int drbg_ec_instantiate(DRBG_CTX *dctx,
const unsigned char *ent, size_t ent_len,
const unsigned char *nonce, size_t nonce_len,
const unsigned char *pstr, size_t pstr_len)
{
DRBG_EC_CTX *ectx = &dctx->d.ec;
if (!hash_df(dctx, ectx->sbuf,
ent, ent_len, nonce, nonce_len, pstr, pstr_len))
return 0;
if (!bin2bnbits(dctx, ectx->s, ectx->sbuf))
return 0;
return 1;
}
static int drbg_ec_reseed(DRBG_CTX *dctx,
const unsigned char *ent, size_t ent_len,
const unsigned char *adin, size_t adin_len)
{
DRBG_EC_CTX *ectx = &dctx->d.ec;
/* Convert s value to a binary buffer. Save it to tbuf as we are
* about to overwrite it.
*/
if (ectx->exbits)
BN_lshift(ectx->s, ectx->s, ectx->exbits);
bn2binpad(ectx->tbuf, dctx->seedlen, ectx->s);
if (!hash_df(dctx, ectx->sbuf, ectx->tbuf, dctx->seedlen,
ent, ent_len, adin, adin_len))
return 0;
if (!bin2bnbits(dctx, ectx->s, ectx->sbuf))
return 0;
dctx->reseed_counter = 0;
return 1;
}
static int drbg_ec_generate(DRBG_CTX *dctx,
unsigned char *out, size_t outlen,
const unsigned char *adin, size_t adin_len)
{
DRBG_EC_CTX *ectx = &dctx->d.ec;
BIGNUM *t, *r;
BIGNUM *s = ectx->s;
/* special case: check reseed interval */
if (out == NULL)
{
size_t nb = (outlen + dctx->blocklength - 1)/dctx->blocklength;
if (dctx->reseed_counter + nb > dctx->reseed_interval)
dctx->status = DRBG_STATUS_RESEED;
return 1;
}
BN_CTX_start(ectx->bctx);
r = BN_CTX_get(ectx->bctx);
if (!r)
goto err;
if (adin && adin_len)
{
size_t i;
t = BN_CTX_get(ectx->bctx);
if (!t)
goto err;
/* Convert s to buffer */
if (ectx->exbits)
BN_lshift(s, s, ectx->exbits);
bn2binpad(ectx->sbuf, dctx->seedlen, s);
/* Step 2 */
if (!hash_df(dctx, ectx->tbuf, adin, adin_len,
NULL, 0, NULL, 0))
goto err;
/* Step 5 */
for (i = 0; i < dctx->seedlen; i++)
ectx->tbuf[i] ^= ectx->sbuf[i];
if (!bin2bnbits(dctx, t, ectx->tbuf))
return 0;
}
else
/* Note if no additional input the algorithm never
* needs separate values for t and s.
*/
t = s;
#ifdef EC_DRBG_TRACE
bnprint(stderr, "s at start of generate: ", s);
#endif
for (;;)
{
/* Step #6, calculate s = t * P */
if (!drbg_ec_mul(ectx, s, t, 0))
goto err;
#ifdef EC_DRBG_TRACE
bnprint(stderr, "s in generate: ", ectx->s);
#endif
/* Step #7, calculate r = s * Q */
if (!drbg_ec_mul(ectx, r, s, 1))
goto err;
#ifdef EC_DRBG_TRACE
bnprint(stderr, "r in generate is: ", r);
#endif
dctx->reseed_counter++;
/* Get rightmost bits of r to output buffer */
if (!(dctx->xflags & DRBG_FLAG_TEST) && !dctx->lb_valid)
{
if (!bn2binpad(dctx->lb, dctx->blocklength, r))
goto err;
dctx->lb_valid = 1;
continue;
}
if (outlen < dctx->blocklength)
{
if (!bn2binpad(ectx->vtmp, dctx->blocklength, r))
goto err;
if (!fips_drbg_cprng_test(dctx, ectx->vtmp))
goto err;
memcpy(out, ectx->vtmp, outlen);
break;
}
else
{
if (!bn2binpad(out, dctx->blocklength, r))
goto err;
if (!fips_drbg_cprng_test(dctx, out))
goto err;
}
outlen -= dctx->blocklength;
if (!outlen)
break;
out += dctx->blocklength;
/* Step #5 after first pass */
t = s;
#ifdef EC_DRBG_TRACE
fprintf(stderr, "Random bits written:\n");
hexprint(stderr, out, dctx->blocklength);
#endif
}
if (!drbg_ec_mul(ectx, ectx->s, ectx->s, 0))
return 0;
#ifdef EC_DRBG_TRACE
bnprint(stderr, "s after generate is: ", s);
#endif
BN_CTX_end(ectx->bctx);
return 1;
err:
BN_CTX_end(ectx->bctx);
return 0;
}
static int drbg_ec_uninstantiate(DRBG_CTX *dctx)
{
DRBG_EC_CTX *ectx = &dctx->d.ec;
EVP_MD_CTX_cleanup(&ectx->mctx);
EC_GROUP_free(ectx->curve);
EC_POINT_free(ectx->Q);
EC_POINT_free(ectx->ptmp);
BN_clear_free(ectx->s);
BN_CTX_free(ectx->bctx);
OPENSSL_cleanse(&dctx->d.ec, sizeof(DRBG_EC_CTX));
return 1;
}
/* Q points from SP 800-90 A.1, P is generator */
__fips_constseg
static const unsigned char p_256_qx[] = {
0xc9,0x74,0x45,0xf4,0x5c,0xde,0xf9,0xf0,0xd3,0xe0,0x5e,0x1e,
0x58,0x5f,0xc2,0x97,0x23,0x5b,0x82,0xb5,0xbe,0x8f,0xf3,0xef,
0xca,0x67,0xc5,0x98,0x52,0x01,0x81,0x92
};
__fips_constseg
static const unsigned char p_256_qy[] = {
0xb2,0x8e,0xf5,0x57,0xba,0x31,0xdf,0xcb,0xdd,0x21,0xac,0x46,
0xe2,0xa9,0x1e,0x3c,0x30,0x4f,0x44,0xcb,0x87,0x05,0x8a,0xda,
0x2c,0xb8,0x15,0x15,0x1e,0x61,0x00,0x46
};
__fips_constseg
static const unsigned char p_384_qx[] = {
0x8e,0x72,0x2d,0xe3,0x12,0x5b,0xdd,0xb0,0x55,0x80,0x16,0x4b,
0xfe,0x20,0xb8,0xb4,0x32,0x21,0x6a,0x62,0x92,0x6c,0x57,0x50,
0x2c,0xee,0xde,0x31,0xc4,0x78,0x16,0xed,0xd1,0xe8,0x97,0x69,
0x12,0x41,0x79,0xd0,0xb6,0x95,0x10,0x64,0x28,0x81,0x50,0x65
};
__fips_constseg
static const unsigned char p_384_qy[] = {
0x02,0x3b,0x16,0x60,0xdd,0x70,0x1d,0x08,0x39,0xfd,0x45,0xee,
0xc3,0x6f,0x9e,0xe7,0xb3,0x2e,0x13,0xb3,0x15,0xdc,0x02,0x61,
0x0a,0xa1,0xb6,0x36,0xe3,0x46,0xdf,0x67,0x1f,0x79,0x0f,0x84,
0xc5,0xe0,0x9b,0x05,0x67,0x4d,0xbb,0x7e,0x45,0xc8,0x03,0xdd
};
__fips_constseg
static const unsigned char p_521_qx[] = {
0x01,0xb9,0xfa,0x3e,0x51,0x8d,0x68,0x3c,0x6b,0x65,0x76,0x36,
0x94,0xac,0x8e,0xfb,0xae,0xc6,0xfa,0xb4,0x4f,0x22,0x76,0x17,
0x1a,0x42,0x72,0x65,0x07,0xdd,0x08,0xad,0xd4,0xc3,0xb3,0xf4,
0xc1,0xeb,0xc5,0xb1,0x22,0x2d,0xdb,0xa0,0x77,0xf7,0x22,0x94,
0x3b,0x24,0xc3,0xed,0xfa,0x0f,0x85,0xfe,0x24,0xd0,0xc8,0xc0,
0x15,0x91,0xf0,0xbe,0x6f,0x63
};
__fips_constseg
static const unsigned char p_521_qy[] = {
0x01,0xf3,0xbd,0xba,0x58,0x52,0x95,0xd9,0xa1,0x11,0x0d,0x1d,
0xf1,0xf9,0x43,0x0e,0xf8,0x44,0x2c,0x50,0x18,0x97,0x6f,0xf3,
0x43,0x7e,0xf9,0x1b,0x81,0xdc,0x0b,0x81,0x32,0xc8,0xd5,0xc3,
0x9c,0x32,0xd0,0xe0,0x04,0xa3,0x09,0x2b,0x7d,0x32,0x7c,0x0e,
0x7a,0x4d,0x26,0xd2,0xc7,0xb6,0x9b,0x58,0xf9,0x06,0x66,0x52,
0x91,0x1e,0x45,0x77,0x79,0xde
};
int fips_drbg_ec_init(DRBG_CTX *dctx)
{
const EVP_MD *md;
const unsigned char *Q_x, *Q_y;
BIGNUM *x, *y;
size_t ptlen;
int md_nid = dctx->type & 0xffff;
int curve_nid = dctx->type >> 16;
DRBG_EC_CTX *ectx = &dctx->d.ec;
md = FIPS_get_digestbynid(md_nid);
if (!md)
return -2;
/* These are taken from SP 800-90 10.3.1 table 4 */
switch (curve_nid)
{
case NID_X9_62_prime256v1:
dctx->strength = 128;
dctx->seedlen = 32;
dctx->blocklength = 30;
ectx->exbits = 0;
Q_x = p_256_qx;
Q_y = p_256_qy;
ptlen = sizeof(p_256_qx);
break;
case NID_secp384r1:
if (md_nid == NID_sha1)
return -2;
dctx->strength = 192;
dctx->seedlen = 48;
dctx->blocklength = 46;
ectx->exbits = 0;
Q_x = p_384_qx;
Q_y = p_384_qy;
ptlen = sizeof(p_384_qx);
break;
case NID_secp521r1:
if (md_nid == NID_sha1 || md_nid == NID_sha224)
return -2;
dctx->strength = 256;
dctx->seedlen = 66;
dctx->blocklength = 63;
ectx->exbits = 7;
Q_x = p_521_qx;
Q_y = p_521_qy;
ptlen = sizeof(p_521_qx);
break;
default:
return -2;
}
dctx->iflags |= DRBG_CUSTOM_RESEED;
dctx->reseed_counter = 0;
dctx->instantiate = drbg_ec_instantiate;
dctx->reseed = drbg_ec_reseed;
dctx->generate = drbg_ec_generate;
dctx->uninstantiate = drbg_ec_uninstantiate;
ectx->md = md;
EVP_MD_CTX_init(&ectx->mctx);
dctx->min_entropy = dctx->strength / 8;
dctx->max_entropy = 2 << 10;
dctx->min_nonce = dctx->min_entropy / 2;
dctx->max_nonce = 2 << 10;
dctx->max_pers = 2 << 10;
dctx->max_adin = 2 << 10;
dctx->reseed_interval = 1<<24;
dctx->max_request = dctx->reseed_interval * dctx->blocklength;
/* Setup internal structures */
ectx->bctx = BN_CTX_new();
if (!ectx->bctx)
return 0;
BN_CTX_start(ectx->bctx);
ectx->s = BN_new();
ectx->curve = EC_GROUP_new_by_curve_name(curve_nid);
ectx->Q = EC_POINT_new(ectx->curve);
ectx->ptmp = EC_POINT_new(ectx->curve);
x = BN_CTX_get(ectx->bctx);
y = BN_CTX_get(ectx->bctx);
if (!ectx->s || !ectx->curve || !ectx->Q || !y)
goto err;
if (!BN_bin2bn(Q_x, ptlen, x) || !BN_bin2bn(Q_y, ptlen, y))
goto err;
if (!EC_POINT_set_affine_coordinates_GFp(ectx->curve, ectx->Q,
x, y, ectx->bctx))
goto err;
BN_CTX_end(ectx->bctx);
return 1;
err:
BN_CTX_end(ectx->bctx);
drbg_ec_uninstantiate(dctx);
return 0;
}

2
fips/rand/fips_drbg_lib.c
View File

@ -79,8 +79,6 @@ int FIPS_drbg_init(DRBG_CTX *dctx, int type, unsigned int flags)
rv = fips_drbg_ctr_init(dctx); rv = fips_drbg_ctr_init(dctx);
if (rv == -2) if (rv == -2)
rv = fips_drbg_hmac_init(dctx); rv = fips_drbg_hmac_init(dctx);
if (rv == -2)
rv = fips_drbg_ec_init(dctx);
if (rv <= 0) if (rv <= 0)
{ {

15
fips/rand/fips_drbg_selftest.c
View File

@ -133,9 +133,6 @@ typedef struct {
#define make_drbg_test_data_df(nid, pr, p) \ #define make_drbg_test_data_df(nid, pr, p) \
make_drbg_test_data(nid, DRBG_FLAG_CTR_USE_DF, pr, p) make_drbg_test_data(nid, DRBG_FLAG_CTR_USE_DF, pr, p)
#define make_drbg_test_data_ec(curve, md, pr, p) \
make_drbg_test_data((curve << 16) | md , 0, pr, p)
static DRBG_SELFTEST_DATA drbg_test[] = { static DRBG_SELFTEST_DATA drbg_test[] = {
make_drbg_test_data_df(NID_aes_128_ctr, aes_128_use_df, 0), make_drbg_test_data_df(NID_aes_128_ctr, aes_128_use_df, 0),
make_drbg_test_data_df(NID_aes_192_ctr, aes_192_use_df, 0), make_drbg_test_data_df(NID_aes_192_ctr, aes_192_use_df, 0),
@ -153,18 +150,6 @@ static DRBG_SELFTEST_DATA drbg_test[] = {
make_drbg_test_data(NID_hmacWithSHA256, 0, hmac_sha256, 1), make_drbg_test_data(NID_hmacWithSHA256, 0, hmac_sha256, 1),
make_drbg_test_data(NID_hmacWithSHA384, 0, hmac_sha384, 0), make_drbg_test_data(NID_hmacWithSHA384, 0, hmac_sha384, 0),
make_drbg_test_data(NID_hmacWithSHA512, 0, hmac_sha512, 0), make_drbg_test_data(NID_hmacWithSHA512, 0, hmac_sha512, 0),
make_drbg_test_data_ec(NID_X9_62_prime256v1, NID_sha1, p_256_sha1, 0),
make_drbg_test_data_ec(NID_X9_62_prime256v1, NID_sha224, p_256_sha224, 0),
make_drbg_test_data_ec(NID_X9_62_prime256v1, NID_sha256, p_256_sha256, 1),
make_drbg_test_data_ec(NID_X9_62_prime256v1, NID_sha384, p_256_sha384, 0),
make_drbg_test_data_ec(NID_X9_62_prime256v1, NID_sha512, p_256_sha512, 0),
make_drbg_test_data_ec(NID_secp384r1, NID_sha224, p_384_sha224, 0),
make_drbg_test_data_ec(NID_secp384r1, NID_sha256, p_384_sha256, 0),
make_drbg_test_data_ec(NID_secp384r1, NID_sha384, p_384_sha384, 0),
make_drbg_test_data_ec(NID_secp384r1, NID_sha512, p_384_sha512, 0),
make_drbg_test_data_ec(NID_secp521r1, NID_sha256, p_521_sha256, 0),
make_drbg_test_data_ec(NID_secp521r1, NID_sha384, p_521_sha384, 0),
make_drbg_test_data_ec(NID_secp521r1, NID_sha512, p_521_sha512, 0),
{0,0,0} {0,0,0}
}; };

1678
fips/rand/fips_drbg_selftest.h
View File

File diff suppressed because it is too large Load Diff

1
fips/rand/fips_rand_lcl.h
View File

@ -236,6 +236,5 @@ struct drbg_ctx_st
int fips_drbg_ctr_init(DRBG_CTX *dctx); int fips_drbg_ctr_init(DRBG_CTX *dctx);
int fips_drbg_hash_init(DRBG_CTX *dctx); int fips_drbg_hash_init(DRBG_CTX *dctx);
int fips_drbg_hmac_init(DRBG_CTX *dctx); int fips_drbg_hmac_init(DRBG_CTX *dctx);
int fips_drbg_ec_init(DRBG_CTX *dctx);
int fips_drbg_kat(DRBG_CTX *dctx, int nid, unsigned int flags); int fips_drbg_kat(DRBG_CTX *dctx, int nid, unsigned int flags);
int fips_drbg_cprng_test(DRBG_CTX *dctx, const unsigned char *out); int fips_drbg_cprng_test(DRBG_CTX *dctx, const unsigned char *out);