openssl/test/ffc_internal_test.c
Tomas Mraz ddb13b283b Use as small dh key size as possible to support the security
Longer private key sizes unnecessarily raise the cycles needed to
compute the shared secret without any increase of the real security.

We use minimum key sizes as defined in RFC7919.

For arbitrary parameters we cannot know whether they are safe
primes (we could test but that would be too inefficient) we have
to keep generating large keys.

However we now set a small dh->length when we are generating safe prime
parameters because we know it is safe to use small keys with them.

That means users need to regenerate the parameters if they
want to take the performance advantage of small private key.

Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18480)
2022-07-18 08:06:17 +01:00

649 lines
26 KiB
C

/*
* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2019-2020, Oracle and/or its affiliates. All rights reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* This is an internal test that is intentionally using internal APIs. Some of
* those APIs are deprecated for public use.
*/
#include "internal/deprecated.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "internal/nelem.h"
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include "testutil.h"
#include "internal/ffc.h"
#include "crypto/security_bits.h"
#ifndef OPENSSL_NO_DSA
static const unsigned char dsa_2048_224_sha224_p[] = {
0x93, 0x57, 0x93, 0x62, 0x1b, 0x9a, 0x10, 0x9b, 0xc1, 0x56, 0x0f, 0x24,
0x71, 0x76, 0x4e, 0xd3, 0xed, 0x78, 0x78, 0x7a, 0xbf, 0x89, 0x71, 0x67,
0x8e, 0x03, 0xd8, 0x5b, 0xcd, 0x22, 0x8f, 0x70, 0x74, 0xff, 0x22, 0x05,
0x07, 0x0c, 0x4c, 0x60, 0xed, 0x41, 0xe1, 0x9e, 0x9c, 0xaa, 0x3e, 0x19,
0x5c, 0x3d, 0x80, 0x58, 0xb2, 0x7f, 0x5f, 0x89, 0xec, 0xb5, 0x19, 0xdb,
0x06, 0x11, 0xe9, 0x78, 0x5c, 0xf9, 0xa0, 0x9e, 0x70, 0x62, 0x14, 0x7b,
0xda, 0x92, 0xbf, 0xb2, 0x6b, 0x01, 0x6f, 0xb8, 0x68, 0x9c, 0x89, 0x36,
0x89, 0x72, 0x79, 0x49, 0x93, 0x3d, 0x14, 0xb2, 0x2d, 0xbb, 0xf0, 0xdf,
0x94, 0x45, 0x0b, 0x5f, 0xf1, 0x75, 0x37, 0xeb, 0x49, 0xb9, 0x2d, 0xce,
0xb7, 0xf4, 0x95, 0x77, 0xc2, 0xe9, 0x39, 0x1c, 0x4e, 0x0c, 0x40, 0x62,
0x33, 0x0a, 0xe6, 0x29, 0x6f, 0xba, 0xef, 0x02, 0xdd, 0x0d, 0xe4, 0x04,
0x01, 0x70, 0x40, 0xb9, 0xc9, 0x7e, 0x2f, 0x10, 0x37, 0xe9, 0xde, 0xb0,
0xf6, 0xeb, 0x71, 0x7f, 0x9c, 0x35, 0x16, 0xf3, 0x0d, 0xc4, 0xe8, 0x02,
0x37, 0x6c, 0xdd, 0xb3, 0x8d, 0x2d, 0x1e, 0x28, 0x13, 0x22, 0x89, 0x40,
0xe5, 0xfa, 0x16, 0x67, 0xd6, 0xda, 0x12, 0xa2, 0x38, 0x83, 0x25, 0xcc,
0x26, 0xc1, 0x27, 0x74, 0xfe, 0xf6, 0x7a, 0xb6, 0xa1, 0xe4, 0xe8, 0xdf,
0x5d, 0xd2, 0x9c, 0x2f, 0xec, 0xea, 0x08, 0xca, 0x48, 0xdb, 0x18, 0x4b,
0x12, 0xee, 0x16, 0x9b, 0xa6, 0x00, 0xa0, 0x18, 0x98, 0x7d, 0xce, 0x6c,
0x6d, 0xf8, 0xfc, 0x95, 0x51, 0x1b, 0x0a, 0x40, 0xb6, 0xfc, 0xe5, 0xe2,
0xb0, 0x26, 0x53, 0x4c, 0xd7, 0xfe, 0xaa, 0x6d, 0xbc, 0xdd, 0xc0, 0x61,
0x65, 0xe4, 0x89, 0x44, 0x18, 0x6f, 0xd5, 0x39, 0xcf, 0x75, 0x6d, 0x29,
0xcc, 0xf8, 0x40, 0xab
};
static const unsigned char dsa_2048_224_sha224_q[] = {
0xf2, 0x5e, 0x4e, 0x9a, 0x15, 0xa8, 0x13, 0xdf, 0xa3, 0x17, 0x90, 0xc6,
0xd6, 0x5e, 0xb1, 0xfb, 0x31, 0xf8, 0xb5, 0xb1, 0x4b, 0xa7, 0x6d, 0xde,
0x57, 0x76, 0x6f, 0x11
};
static const unsigned char dsa_2048_224_sha224_seed[] = {
0xd2, 0xb1, 0x36, 0xd8, 0x5b, 0x8e, 0xa4, 0xb2, 0x6a, 0xab, 0x4e, 0x85,
0x8b, 0x49, 0xf9, 0xdd, 0xe6, 0xa1, 0xcd, 0xad, 0x49, 0x52, 0xe9, 0xb3,
0x36, 0x17, 0x06, 0xcf
};
static const unsigned char dsa_2048_224_sha224_bad_seed[] = {
0xd2, 0xb1, 0x36, 0xd8, 0x5b, 0x8e, 0xa4, 0xb2, 0x6a, 0xab, 0x4e, 0x85,
0x8b, 0x49, 0xf9, 0xdd, 0xe6, 0xa1, 0xcd, 0xad, 0x49, 0x52, 0xe9, 0xb3,
0x36, 0x17, 0x06, 0xd0
};
static int dsa_2048_224_sha224_counter = 2878;
static const unsigned char dsa_3072_256_sha512_p[] = {
0x9a, 0x82, 0x8b, 0x8d, 0xea, 0xd0, 0x56, 0x23, 0x88, 0x2d, 0x5d, 0x41,
0x42, 0x4c, 0x13, 0x5a, 0x15, 0x81, 0x59, 0x02, 0xc5, 0x00, 0x82, 0x28,
0x01, 0xee, 0x8f, 0x99, 0xfd, 0x6a, 0x95, 0xf2, 0x0f, 0xae, 0x34, 0x77,
0x29, 0xcc, 0xc7, 0x50, 0x0e, 0x03, 0xef, 0xb0, 0x4d, 0xe5, 0x10, 0x00,
0xa8, 0x7b, 0xce, 0x8c, 0xc6, 0xb2, 0x01, 0x74, 0x23, 0x1b, 0x7f, 0xe8,
0xf9, 0x71, 0x28, 0x39, 0xcf, 0x18, 0x04, 0xb2, 0x95, 0x61, 0x2d, 0x11,
0x71, 0x6b, 0xdd, 0x0d, 0x0b, 0xf0, 0xe6, 0x97, 0x52, 0x29, 0x9d, 0x45,
0xb1, 0x23, 0xda, 0xb0, 0xd5, 0xcb, 0x51, 0x71, 0x8e, 0x40, 0x9c, 0x97,
0x13, 0xea, 0x1f, 0x4b, 0x32, 0x5d, 0x27, 0x74, 0x81, 0x8d, 0x47, 0x8a,
0x08, 0xce, 0xf4, 0xd1, 0x28, 0xa2, 0x0f, 0x9b, 0x2e, 0xc9, 0xa3, 0x0e,
0x5d, 0xde, 0x47, 0x19, 0x6d, 0x5f, 0x98, 0xe0, 0x8e, 0x7f, 0x60, 0x8f,
0x25, 0xa7, 0xa4, 0xeb, 0xb9, 0xf3, 0x24, 0xa4, 0x9e, 0xc1, 0xbd, 0x14,
0x27, 0x7c, 0x27, 0xc8, 0x4f, 0x5f, 0xed, 0xfd, 0x86, 0xc8, 0xf1, 0xd7,
0x82, 0xe2, 0xeb, 0xe5, 0xd2, 0xbe, 0xb0, 0x65, 0x28, 0xab, 0x99, 0x9e,
0xcd, 0xd5, 0x22, 0xf8, 0x1b, 0x3b, 0x01, 0xe9, 0x20, 0x3d, 0xe4, 0x98,
0x22, 0xfe, 0xfc, 0x09, 0x7e, 0x95, 0x20, 0xda, 0xb6, 0x12, 0x2c, 0x94,
0x5c, 0xea, 0x74, 0x71, 0xbd, 0x19, 0xac, 0x78, 0x43, 0x02, 0x51, 0xb8,
0x5f, 0x06, 0x1d, 0xea, 0xc8, 0xa4, 0x3b, 0xc9, 0x78, 0xa3, 0x2b, 0x09,
0xdc, 0x76, 0x74, 0xc4, 0x23, 0x14, 0x48, 0x2e, 0x84, 0x2b, 0xa3, 0x82,
0xc1, 0xba, 0x0b, 0x39, 0x2a, 0x9f, 0x24, 0x7b, 0xd6, 0xc2, 0xea, 0x5a,
0xb6, 0xbd, 0x15, 0x82, 0x21, 0x85, 0xe0, 0x6b, 0x12, 0x4f, 0x8d, 0x64,
0x75, 0xeb, 0x7e, 0xa1, 0xdb, 0xe0, 0x9d, 0x25, 0xae, 0x3b, 0xe9, 0x9b,
0x21, 0x7f, 0x9a, 0x3d, 0x66, 0xd0, 0x52, 0x1d, 0x39, 0x8b, 0xeb, 0xfc,
0xec, 0xbe, 0x72, 0x20, 0x5a, 0xdf, 0x1b, 0x00, 0xf1, 0x0e, 0xed, 0xc6,
0x78, 0x6f, 0xc9, 0xab, 0xe4, 0xd6, 0x81, 0x8b, 0xcc, 0xf6, 0xd4, 0x6a,
0x31, 0x62, 0x08, 0xd9, 0x38, 0x21, 0x8f, 0xda, 0x9e, 0xb1, 0x2b, 0x9c,
0xc0, 0xbe, 0xf7, 0x9a, 0x43, 0x2d, 0x07, 0x59, 0x46, 0x0e, 0xd5, 0x23,
0x4e, 0xaa, 0x4a, 0x04, 0xc2, 0xde, 0x33, 0xa6, 0x34, 0xba, 0xac, 0x4f,
0x78, 0xd8, 0xca, 0x76, 0xce, 0x5e, 0xd4, 0xf6, 0x85, 0x4c, 0x6a, 0x60,
0x08, 0x5d, 0x0e, 0x34, 0x8b, 0xf2, 0xb6, 0xe3, 0xb7, 0x51, 0xca, 0x43,
0xaa, 0x68, 0x7b, 0x0a, 0x6e, 0xea, 0xce, 0x1e, 0x2c, 0x34, 0x8e, 0x0f,
0xe2, 0xcc, 0x38, 0xf2, 0x9a, 0x98, 0xef, 0xe6, 0x7f, 0xf6, 0x62, 0xbb
};
static const unsigned char dsa_3072_256_sha512_q[] = {
0xc1, 0xdb, 0xc1, 0x21, 0x50, 0x49, 0x63, 0xa3, 0x77, 0x6d, 0x4c, 0x92,
0xed, 0x58, 0x9e, 0x98, 0xea, 0xac, 0x7a, 0x90, 0x13, 0x24, 0xf7, 0xcd,
0xd7, 0xe6, 0xd4, 0x8f, 0xf0, 0x45, 0x4b, 0xf7
};
static const unsigned char dsa_3072_256_sha512_seed[] = {
0x35, 0x24, 0xb5, 0x59, 0xd5, 0x27, 0x58, 0x10, 0xf6, 0xa2, 0x7c, 0x9a,
0x0d, 0xc2, 0x70, 0x8a, 0xb0, 0x41, 0x4a, 0x84, 0x0b, 0xfe, 0x66, 0xf5,
0x3a, 0xbf, 0x4a, 0xa9, 0xcb, 0xfc, 0xa6, 0x22
};
static int dsa_3072_256_sha512_counter = 1604;
static const unsigned char dsa_2048_224_sha256_p[] = {
0xe9, 0x13, 0xbc, 0xf2, 0x14, 0x5d, 0xf9, 0x79, 0xd6, 0x6d, 0xf5, 0xc5,
0xbe, 0x7b, 0x6f, 0x90, 0x63, 0xd0, 0xfd, 0xee, 0x4f, 0xc4, 0x65, 0x83,
0xbf, 0xec, 0xc3, 0x2c, 0x5d, 0x30, 0xc8, 0xa4, 0x3b, 0x2f, 0x3b, 0x29,
0x43, 0x69, 0xfb, 0x6e, 0xa9, 0xa4, 0x07, 0x6c, 0xcd, 0xb0, 0xd2, 0xd9,
0xd3, 0xe6, 0xf4, 0x87, 0x16, 0xb7, 0xe5, 0x06, 0xb9, 0xba, 0xd6, 0x87,
0xbc, 0x01, 0x9e, 0xba, 0xc2, 0xcf, 0x39, 0xb6, 0xec, 0xdc, 0x75, 0x07,
0xc1, 0x39, 0x2d, 0x6a, 0x95, 0x31, 0x97, 0xda, 0x54, 0x20, 0x29, 0xe0,
0x1b, 0xf9, 0x74, 0x65, 0xaa, 0xc1, 0x47, 0xd3, 0x9e, 0xb4, 0x3c, 0x1d,
0xe0, 0xdc, 0x2d, 0x21, 0xab, 0x12, 0x3b, 0xa5, 0x51, 0x1e, 0xc6, 0xbc,
0x6b, 0x4c, 0x22, 0xd1, 0x7c, 0xc6, 0xce, 0xcb, 0x8c, 0x1d, 0x1f, 0xce,
0x1c, 0xe2, 0x75, 0x49, 0x6d, 0x2c, 0xee, 0x7f, 0x5f, 0xb8, 0x74, 0x42,
0x5c, 0x96, 0x77, 0x13, 0xff, 0x80, 0xf3, 0x05, 0xc7, 0xfe, 0x08, 0x3b,
0x25, 0x36, 0x46, 0xa2, 0xc4, 0x26, 0xb4, 0xb0, 0x3b, 0xd5, 0xb2, 0x4c,
0x13, 0x29, 0x0e, 0x47, 0x31, 0x66, 0x7d, 0x78, 0x57, 0xe6, 0xc2, 0xb5,
0x9f, 0x46, 0x17, 0xbc, 0xa9, 0x9a, 0x49, 0x1c, 0x0f, 0x45, 0xe0, 0x88,
0x97, 0xa1, 0x30, 0x7c, 0x42, 0xb7, 0x2c, 0x0a, 0xce, 0xb3, 0xa5, 0x7a,
0x61, 0x8e, 0xab, 0x44, 0xc1, 0xdc, 0x70, 0xe5, 0xda, 0x78, 0x2a, 0xb4,
0xe6, 0x3c, 0xa0, 0x58, 0xda, 0x62, 0x0a, 0xb2, 0xa9, 0x3d, 0xaa, 0x49,
0x7e, 0x7f, 0x9a, 0x19, 0x67, 0xee, 0xd6, 0xe3, 0x67, 0x13, 0xe8, 0x6f,
0x79, 0x50, 0x76, 0xfc, 0xb3, 0x9d, 0x7e, 0x9e, 0x3e, 0x6e, 0x47, 0xb1,
0x11, 0x5e, 0xc8, 0x83, 0x3a, 0x3c, 0xfc, 0x82, 0x5c, 0x9d, 0x34, 0x65,
0x73, 0xb4, 0x56, 0xd5
};
static const unsigned char dsa_2048_224_sha256_q[] = {
0xb0, 0xdf, 0xa1, 0x7b, 0xa4, 0x77, 0x64, 0x0e, 0xb9, 0x28, 0xbb, 0xbc,
0xd4, 0x60, 0x02, 0xaf, 0x21, 0x8c, 0xb0, 0x69, 0x0f, 0x8a, 0x7b, 0xc6,
0x80, 0xcb, 0x0a, 0x45
};
static const unsigned char dsa_2048_224_sha256_g[] = {
0x11, 0x7c, 0x5f, 0xf6, 0x99, 0x44, 0x67, 0x5b, 0x69, 0xa3, 0x83, 0xef,
0xb5, 0x85, 0xa2, 0x19, 0x35, 0x18, 0x2a, 0xf2, 0x58, 0xf4, 0xc9, 0x58,
0x9e, 0xb9, 0xe8, 0x91, 0x17, 0x2f, 0xb0, 0x60, 0x85, 0x95, 0xa6, 0x62,
0x36, 0xd0, 0xff, 0x94, 0xb9, 0xa6, 0x50, 0xad, 0xa6, 0xf6, 0x04, 0x28,
0xc2, 0xc9, 0xb9, 0x75, 0xf3, 0x66, 0xb4, 0xeb, 0xf6, 0xd5, 0x06, 0x13,
0x01, 0x64, 0x82, 0xa9, 0xf1, 0xd5, 0x41, 0xdc, 0xf2, 0x08, 0xfc, 0x2f,
0xc4, 0xa1, 0x21, 0xee, 0x7d, 0xbc, 0xda, 0x5a, 0xa4, 0xa2, 0xb9, 0x68,
0x87, 0x36, 0xba, 0x53, 0x9e, 0x14, 0x4e, 0x76, 0x5c, 0xba, 0x79, 0x3d,
0x0f, 0xe5, 0x99, 0x1c, 0x27, 0xfc, 0xaf, 0x10, 0x63, 0x87, 0x68, 0x0e,
0x3e, 0x6e, 0xaa, 0xf3, 0xdf, 0x76, 0x7e, 0x02, 0x9a, 0x41, 0x96, 0xa1,
0x6c, 0xbb, 0x67, 0xee, 0x0c, 0xad, 0x72, 0x65, 0xf1, 0x70, 0xb0, 0x39,
0x9b, 0x54, 0x5f, 0xd7, 0x6c, 0xc5, 0x9a, 0x90, 0x53, 0x18, 0xde, 0x5e,
0x62, 0x89, 0xb9, 0x2f, 0x66, 0x59, 0x3a, 0x3d, 0x10, 0xeb, 0xa5, 0x99,
0xf6, 0x21, 0x7d, 0xf2, 0x7b, 0x42, 0x15, 0x1c, 0x55, 0x79, 0x15, 0xaa,
0xa4, 0x17, 0x2e, 0x48, 0xc3, 0xa8, 0x36, 0xf5, 0x1a, 0x97, 0xce, 0xbd,
0x72, 0xef, 0x1d, 0x50, 0x5b, 0xb1, 0x60, 0x0a, 0x5c, 0x0b, 0xa6, 0x21,
0x38, 0x28, 0x4e, 0x89, 0x33, 0x1d, 0xb5, 0x7e, 0x5c, 0xf1, 0x6b, 0x2c,
0xbd, 0xad, 0x84, 0xb2, 0x8e, 0x96, 0xe2, 0x30, 0xe7, 0x54, 0xb8, 0xc9,
0x70, 0xcb, 0x10, 0x30, 0x63, 0x90, 0xf4, 0x45, 0x64, 0x93, 0x09, 0x38,
0x6a, 0x47, 0x58, 0x31, 0x04, 0x1a, 0x18, 0x04, 0x1a, 0xe0, 0xd7, 0x0b,
0x3c, 0xbe, 0x2a, 0x9c, 0xec, 0xcc, 0x0d, 0x0c, 0xed, 0xde, 0x54, 0xbc,
0xe6, 0x93, 0x59, 0xfc
};
static int ffc_params_validate_g_unverified_test(void)
{
int ret = 0, res;
FFC_PARAMS params;
BIGNUM *p = NULL, *q = NULL, *g = NULL;
BIGNUM *p1 = NULL, *g1 = NULL;
ossl_ffc_params_init(&params);
if (!TEST_ptr(p = BN_bin2bn(dsa_2048_224_sha256_p,
sizeof(dsa_2048_224_sha256_p), NULL)))
goto err;
p1 = p;
if (!TEST_ptr(q = BN_bin2bn(dsa_2048_224_sha256_q,
sizeof(dsa_2048_224_sha256_q), NULL)))
goto err;
if (!TEST_ptr(g = BN_bin2bn(dsa_2048_224_sha256_g,
sizeof(dsa_2048_224_sha256_g), NULL)))
goto err;
g1 = g;
/* Fail if g is NULL */
ossl_ffc_params_set0_pqg(&params, p, q, NULL);
p = NULL;
q = NULL;
ossl_ffc_params_set_flags(&params, FFC_PARAM_FLAG_VALIDATE_G);
ossl_ffc_set_digest(&params, "SHA256", NULL);
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
ossl_ffc_params_set0_pqg(&params, p, q, g);
g = NULL;
if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* incorrect g */
BN_add_word(g1, 1);
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* fail if g < 2 */
BN_set_word(g1, 1);
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
BN_copy(g1, p1);
/* Fail if g >= p */
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
ret = 1;
err:
ossl_ffc_params_cleanup(&params);
BN_free(p);
BN_free(q);
BN_free(g);
return ret;
}
static int ffc_params_validate_pq_test(void)
{
int ret = 0, res = -1;
FFC_PARAMS params;
BIGNUM *p = NULL, *q = NULL;
ossl_ffc_params_init(&params);
if (!TEST_ptr(p = BN_bin2bn(dsa_2048_224_sha224_p,
sizeof(dsa_2048_224_sha224_p),
NULL)))
goto err;
if (!TEST_ptr(q = BN_bin2bn(dsa_2048_224_sha224_q,
sizeof(dsa_2048_224_sha224_q),
NULL)))
goto err;
/* No p */
ossl_ffc_params_set0_pqg(&params, NULL, q, NULL);
q = NULL;
ossl_ffc_params_set_flags(&params, FFC_PARAM_FLAG_VALIDATE_PQ);
ossl_ffc_set_digest(&params, "SHA224", NULL);
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* Test valid case */
ossl_ffc_params_set0_pqg(&params, p, NULL, NULL);
p = NULL;
ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_seed,
sizeof(dsa_2048_224_sha224_seed),
dsa_2048_224_sha224_counter);
if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* Bad counter - so p is not prime */
ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_seed,
sizeof(dsa_2048_224_sha224_seed),
1);
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* seedlen smaller than N */
ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_seed,
sizeof(dsa_2048_224_sha224_seed)-1,
dsa_2048_224_sha224_counter);
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* Provided seed doesnt produce a valid prime q */
ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_bad_seed,
sizeof(dsa_2048_224_sha224_bad_seed),
dsa_2048_224_sha224_counter);
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
if (!TEST_ptr(p = BN_bin2bn(dsa_3072_256_sha512_p,
sizeof(dsa_3072_256_sha512_p), NULL)))
goto err;
if (!TEST_ptr(q = BN_bin2bn(dsa_3072_256_sha512_q,
sizeof(dsa_3072_256_sha512_q),
NULL)))
goto err;
ossl_ffc_params_set0_pqg(&params, p, q, NULL);
p = q = NULL;
ossl_ffc_set_digest(&params, "SHA512", NULL);
ossl_ffc_params_set_validate_params(&params, dsa_3072_256_sha512_seed,
sizeof(dsa_3072_256_sha512_seed),
dsa_3072_256_sha512_counter);
/* Q doesn't div P-1 */
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* Bad L/N for FIPS DH */
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DH,
&res, NULL)))
goto err;
ret = 1;
err:
ossl_ffc_params_cleanup(&params);
BN_free(p);
BN_free(q);
return ret;
}
#endif /* OPENSSL_NO_DSA */
#ifndef OPENSSL_NO_DH
static int ffc_params_gen_test(void)
{
int ret = 0, res = -1;
FFC_PARAMS params;
ossl_ffc_params_init(&params);
if (!TEST_true(ossl_ffc_params_FIPS186_4_generate(NULL, &params,
FFC_PARAM_TYPE_DH,
2048, 256, &res, NULL)))
goto err;
if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DH,
&res, NULL)))
goto err;
ret = 1;
err:
ossl_ffc_params_cleanup(&params);
return ret;
}
static int ffc_params_gen_canonicalg_test(void)
{
int ret = 0, res = -1;
FFC_PARAMS params;
ossl_ffc_params_init(&params);
params.gindex = 1;
if (!TEST_true(ossl_ffc_params_FIPS186_4_generate(NULL, &params,
FFC_PARAM_TYPE_DH,
2048, 256, &res, NULL)))
goto err;
if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DH,
&res, NULL)))
goto err;
if (!TEST_true(ossl_ffc_params_print(bio_out, &params, 4)))
goto err;
ret = 1;
err:
ossl_ffc_params_cleanup(&params);
return ret;
}
static int ffc_params_fips186_2_gen_validate_test(void)
{
int ret = 0, res = -1;
FFC_PARAMS params;
BIGNUM *bn = NULL;
ossl_ffc_params_init(&params);
if (!TEST_ptr(bn = BN_new()))
goto err;
if (!TEST_true(ossl_ffc_params_FIPS186_2_generate(NULL, &params,
FFC_PARAM_TYPE_DH,
1024, 160, &res, NULL)))
goto err;
if (!TEST_true(ossl_ffc_params_FIPS186_2_validate(NULL, &params,
FFC_PARAM_TYPE_DH,
&res, NULL)))
goto err;
/*
* The fips186-2 generation should produce a different q compared to
* fips 186-4 given the same seed value. So validation of q will fail.
*/
if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL)))
goto err;
/* As the params are randomly generated the error is one of the following */
if (!TEST_true(res == FFC_CHECK_Q_MISMATCH || res == FFC_CHECK_Q_NOT_PRIME))
goto err;
ossl_ffc_params_set_flags(&params, FFC_PARAM_FLAG_VALIDATE_G);
/* Partially valid g test will still pass */
if (!TEST_int_eq(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
FFC_PARAM_TYPE_DSA,
&res, NULL), 2))
goto err;
if (!TEST_true(ossl_ffc_params_print(bio_out, &params, 4)))
goto err;
ret = 1;
err:
BN_free(bn);
ossl_ffc_params_cleanup(&params);
return ret;
}
extern FFC_PARAMS *ossl_dh_get0_params(DH *dh);
static int ffc_public_validate_test(void)
{
int ret = 0, res = -1;
FFC_PARAMS *params;
BIGNUM *pub = NULL;
DH *dh = NULL;
if (!TEST_ptr(pub = BN_new()))
goto err;
if (!TEST_ptr(dh = DH_new_by_nid(NID_ffdhe2048)))
goto err;
params = ossl_dh_get0_params(dh);
if (!TEST_true(BN_set_word(pub, 1)))
goto err;
BN_set_negative(pub, 1);
/* Fail if public key is negative */
if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
goto err;
if (!TEST_true(BN_set_word(pub, 0)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
goto err;
/* Fail if public key is zero */
if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
goto err;
/* Fail if public key is 1 */
if (!TEST_false(ossl_ffc_validate_public_key(params, BN_value_one(), &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
goto err;
if (!TEST_true(BN_add_word(pub, 2)))
goto err;
/* Pass if public key >= 2 */
if (!TEST_true(ossl_ffc_validate_public_key(params, pub, &res)))
goto err;
if (!TEST_ptr(BN_copy(pub, params->p)))
goto err;
/* Fail if public key = p */
if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_LARGE, res))
goto err;
if (!TEST_true(BN_sub_word(pub, 1)))
goto err;
/* Fail if public key = p - 1 */
if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_LARGE, res))
goto err;
if (!TEST_true(BN_sub_word(pub, 1)))
goto err;
/* Fail if public key is not related to p & q */
if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PUBKEY_INVALID, res))
goto err;
if (!TEST_true(BN_sub_word(pub, 5)))
goto err;
/* Pass if public key is valid */
if (!TEST_true(ossl_ffc_validate_public_key(params, pub, &res)))
goto err;
ret = 1;
err:
DH_free(dh);
BN_free(pub);
return ret;
}
static int ffc_private_validate_test(void)
{
int ret = 0, res = -1;
FFC_PARAMS *params;
BIGNUM *priv = NULL;
DH *dh = NULL;
if (!TEST_ptr(priv = BN_new()))
goto err;
if (!TEST_ptr(dh = DH_new_by_nid(NID_ffdhe2048)))
goto err;
params = ossl_dh_get0_params(dh);
if (!TEST_true(BN_set_word(priv, 1)))
goto err;
BN_set_negative(priv, 1);
/* Fail if priv key is negative */
if (!TEST_false(ossl_ffc_validate_private_key(params->q, priv, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PRIVKEY_TOO_SMALL, res))
goto err;
if (!TEST_true(BN_set_word(priv, 0)))
goto err;
/* Fail if priv key is zero */
if (!TEST_false(ossl_ffc_validate_private_key(params->q, priv, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PRIVKEY_TOO_SMALL, res))
goto err;
/* Pass if priv key >= 1 */
if (!TEST_true(ossl_ffc_validate_private_key(params->q, BN_value_one(),
&res)))
goto err;
if (!TEST_ptr(BN_copy(priv, params->q)))
goto err;
/* Fail if priv key = upper */
if (!TEST_false(ossl_ffc_validate_private_key(params->q, priv, &res)))
goto err;
if (!TEST_int_eq(FFC_ERROR_PRIVKEY_TOO_LARGE, res))
goto err;
if (!TEST_true(BN_sub_word(priv, 1)))
goto err;
/* Pass if priv key <= upper - 1 */
if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
goto err;
ret = 1;
err:
DH_free(dh);
BN_free(priv);
return ret;
}
static int ffc_private_gen_test(int index)
{
int ret = 0, res = -1, N;
FFC_PARAMS *params;
BIGNUM *priv = NULL;
DH *dh = NULL;
BN_CTX *ctx = NULL;
if (!TEST_ptr(ctx = BN_CTX_new_ex(NULL)))
goto err;
if (!TEST_ptr(priv = BN_new()))
goto err;
if (!TEST_ptr(dh = DH_new_by_nid(NID_ffdhe2048)))
goto err;
params = ossl_dh_get0_params(dh);
N = BN_num_bits(params->q);
/* Fail since N < 2*s - where s = 112*/
if (!TEST_false(ossl_ffc_generate_private_key(ctx, params, 220, 112, priv)))
goto err;
/* fail since N > len(q) */
if (!TEST_false(ossl_ffc_generate_private_key(ctx, params, N + 1, 112, priv)))
goto err;
/* s must be always set */
if (!TEST_false(ossl_ffc_generate_private_key(ctx, params, N, 0, priv)))
goto err;
/* pass since 2s <= N <= len(q) */
if (!TEST_true(ossl_ffc_generate_private_key(ctx, params, N, 112, priv)))
goto err;
/* pass since N = len(q) */
if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
goto err;
/* pass since 2s <= N < len(q) */
if (!TEST_true(ossl_ffc_generate_private_key(ctx, params, N / 2, 112, priv)))
goto err;
if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
goto err;
/* N is ignored in this case */
if (!TEST_true(ossl_ffc_generate_private_key(ctx, params, 0,
ossl_ifc_ffc_compute_security_bits(BN_num_bits(params->p)),
priv)))
goto err;
if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
goto err;
ret = 1;
err:
DH_free(dh);
BN_free(priv);
BN_CTX_free(ctx);
return ret;
}
#endif /* OPENSSL_NO_DH */
int setup_tests(void)
{
#ifndef OPENSSL_NO_DSA
ADD_TEST(ffc_params_validate_pq_test);
ADD_TEST(ffc_params_validate_g_unverified_test);
#endif /* OPENSSL_NO_DSA */
#ifndef OPENSSL_NO_DH
ADD_TEST(ffc_params_gen_test);
ADD_TEST(ffc_params_gen_canonicalg_test);
ADD_TEST(ffc_params_fips186_2_gen_validate_test);
ADD_TEST(ffc_public_validate_test);
ADD_TEST(ffc_private_validate_test);
ADD_ALL_TESTS(ffc_private_gen_test, 10);
#endif /* OPENSSL_NO_DH */
return 1;
}