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Don't compute timings here, we can do this elsewhere.

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Include X9.62 signature examples.

Submitted by: Nils Larsch
This commit is contained in:
Bodo Möller 2002-12-04 17:38:40 +00:00
parent 532215f2db
commit 2b32b28191
1 changed files with 352 additions and 453 deletions
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805
crypto/ecdsa/ecdsatest.c
View file

@ -1,4 +1,7 @@
/* crypto/ecdsa/ecdsatest.c */
/*
* Written by Nils Larsch for the OpenSSL project.
*/
/* ====================================================================
* Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved.
*
@ -69,298 +72,377 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#ifdef CLOCKS_PER_SEC
/* "To determine the time in seconds, the value returned
* by the clock function should be divided by the value
* of the macro CLOCKS_PER_SEC."
* -- ISO/IEC 9899 */
# define UNIT "s"
#else
/* "`CLOCKS_PER_SEC' undeclared (first use this function)"
* -- cc on NeXTstep/OpenStep */
# define UNIT "units"
# define CLOCKS_PER_SEC 1
#endif
#ifdef OPENSSL_NO_ECDSA
int main(int argc, char * argv[]) { puts("Elliptic curves are disabled."); return 0; }
int main(int argc, char * argv[])
{
puts("Elliptic curves are disabled.");
return 0;
}
#else
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/ecdsa.h>
#include <openssl/engine.h>
#include <openssl/err.h>
static BIO *bio_err=NULL;
static const char rnd_seed[] = "string to make the random number generator think it has entropy";
static const char rnd_seed[] = "string to make the random number generator "
"think it has entropy";
#define ECDSA_NIST_TESTS 10
ECDSA_SIG* signatures[ECDSA_NIST_TESTS];
unsigned char digest[ECDSA_NIST_TESTS][20];
/* declaration of the test functions */
int x9_62_tests(BIO *);
int x9_62_test_internal(BIO *out, int nid, const char *r, const char *s);
int test_builtin(BIO *);
/* some declarations */
void clear_ecdsa(EC_KEY *);
int set_p192_param(EC_KEY *);
int set_p239_param(EC_KEY *);
int test_sig_vrf(EC_KEY *, const unsigned char *);
int test_x962_sig_vrf(EC_KEY *, const unsigned char *,
const char *, const char *, const char *);
int ecdsa_cmp(const EC_KEY *, const EC_KEY *);
/* functions to change the RAND_METHOD */
int change_rand(void);
int restore_rand(void);
int fbytes(unsigned char *buf, int num);
void clear_ecdsa(EC_KEY *ecdsa)
{
if (!ecdsa)
return;
if (ecdsa->group)
RAND_METHOD fake_rand;
const RAND_METHOD *old_rand;
int change_rand(void)
{
EC_GROUP_free(ecdsa->group);
ecdsa->group = NULL;
}
if (ecdsa->pub_key)
{
EC_POINT_free(ecdsa->pub_key);
ecdsa->pub_key = NULL;
}
if (ecdsa->priv_key)
{
BN_free(ecdsa->priv_key);
ecdsa->priv_key = NULL;
}
}
int set_p192_param(EC_KEY *ecdsa)
{
BN_CTX *ctx=NULL;
int ret=0;
if (!ecdsa)
/* save old rand method */
if ((old_rand = RAND_get_rand_method()) == NULL)
return 0;
if ((ctx = BN_CTX_new()) == NULL) goto err;
clear_ecdsa(ecdsa);
if ((ecdsa->group = EC_GROUP_new_by_nid(NID_X9_62_prime192v1)) == NULL)
{
BIO_printf(bio_err,"ECDSA_SET_GROUP_P_192_V1() failed \n");
goto err;
}
if ((ecdsa->pub_key = EC_POINT_new(ecdsa->group)) == NULL)
{
BIO_printf(bio_err,"EC_POINT_new failed \n");
goto err;
}
if (!BN_dec2bn(&(ecdsa->priv_key), "651056770906015076056810763456358567190100156695615665659")) goto err;
if (!EC_POINT_mul(ecdsa->group,ecdsa->pub_key,ecdsa->priv_key,NULL,NULL,ctx))
{
BIO_printf(bio_err,"EC_POINT_mul() failed \n");
goto err;
}
ret = 1;
err : if (ctx) BN_CTX_free(ctx);
return ret;
}
int set_p239_param(EC_KEY *ecdsa)
{
BN_CTX *ctx=NULL;
int ret=0;
if (!ecdsa)
fake_rand.seed = old_rand->seed;
fake_rand.cleanup = old_rand->cleanup;
fake_rand.add = old_rand->add;
fake_rand.status = old_rand->status;
/* use own random function */
fake_rand.bytes = fbytes;
fake_rand.pseudorand = fbytes;
/* set new RAND_METHOD */
if (!RAND_set_rand_method(&fake_rand))
return 0;
if ((ctx = BN_CTX_new()) == NULL) goto err;
clear_ecdsa(ecdsa);
if ((ecdsa->group = EC_GROUP_new_by_nid(NID_X9_62_prime239v1)) == NULL)
{
BIO_printf(bio_err,"ECDSA_SET_GROUP_P_239_V1() failed \n");
goto err;
}
if ((ecdsa->pub_key = EC_POINT_new(ecdsa->group)) == NULL)
{
BIO_printf(bio_err,"EC_POINT_new failed \n");
goto err;
return 1;
}
if (!BN_dec2bn(&(ecdsa->priv_key), "876300101507107567501066130761671078357010671067781776716671676178726717")) goto err;
if (!EC_POINT_mul(ecdsa->group,ecdsa->pub_key,ecdsa->priv_key,NULL,NULL,ctx))
int restore_rand(void)
{
BIO_printf(bio_err,"EC_POINT_mul() failed \n");
goto err;
if (!RAND_set_rand_method(old_rand))
return 0;
else
return 1;
}
ret = 1;
err : if (ctx) BN_CTX_free(ctx);
static int fbytes_counter = 0;
static const char *numbers[8] = {
"651056770906015076056810763456358567190100156695615665659",
"6140507067065001063065065565667405560006161556565665656654",
"8763001015071075675010661307616710783570106710677817767166"
"71676178726717",
"7000000175690566466555057817571571075705015757757057795755"
"55657156756655",
"1275552191113212300012030439187146164646146646466749494799",
"1542725565216523985789236956265265265235675811949404040041",
"1456427555219115346513212300075341203043918714616464614664"
"64667494947990",
"1712787255652165239672857892369562652652652356758119494040"
"40041670216363"};
int fbytes(unsigned char *buf, int num)
{
int ret;
BIGNUM *tmp = NULL;
if (fbytes_counter >= 8)
return 0;
tmp = BN_new();
if (!tmp)
return 0;
if (!BN_dec2bn(&tmp, numbers[fbytes_counter]))
{
BN_free(tmp);
return 0;
}
fbytes_counter ++;
ret = BN_bn2bin(tmp, buf);
if (ret == 0 || ret != num)
ret = 0;
else
ret = 1;
if (tmp)
BN_free(tmp);
return ret;
}
}
int test_sig_vrf(EC_KEY *ecdsa, const unsigned char* dgst)
{
int ret=0,type=0;
unsigned char *buffer=NULL;
unsigned int buf_len;
clock_t tim;
if (!ecdsa || !ecdsa->group || !ecdsa->pub_key || !ecdsa->priv_key)
return 0;
if ((buf_len = ECDSA_size(ecdsa)) == 0)
{
BIO_printf(bio_err, "ECDSA_size() == 0 \n");
goto err;
}
if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
goto err;
tim = clock();
if (!ECDSA_sign(type, dgst , 20, buffer, &buf_len, ecdsa))
{
BIO_printf(bio_err, "ECDSA_sign() FAILED \n");
goto err;
}
tim = clock() - tim;
BIO_printf(bio_err, " [ ECDSA_sign() %.2f"UNIT, (double)tim/(CLOCKS_PER_SEC));
tim = clock();
ret = ECDSA_verify(type, dgst, 20, buffer, buf_len, ecdsa);
if (ret != 1)
{
BIO_printf(bio_err, "ECDSA_verify() FAILED \n");
goto err;
}
tim = clock() - tim;
BIO_printf(bio_err, " and ECDSA_verify() %.2f"UNIT" ] ", (double)tim/(CLOCKS_PER_SEC));
err: OPENSSL_free(buffer);
return(ret == 1);
}
/* some tests from the X9.62 draft */
int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
{
int ret = 0;
const char message[] = "abc";
unsigned char digest[20];
unsigned int dgst_len = 0;
EVP_MD_CTX md_ctx;
EC_KEY *key = NULL;
ECDSA_SIG *signature = NULL;
BIGNUM *r = NULL, *s = NULL;
int test_x962_sig_vrf(EC_KEY *eckey, const unsigned char *dgst,
const char *k_in, const char *r_in, const char *s_in)
{
int ret=0;
ECDSA_SIG *sig=NULL;
EC_POINT *point=NULL;
BIGNUM *r=NULL,*s=NULL,*k=NULL,*x=NULL,*y=NULL,*m=NULL,*ord=NULL;
BN_CTX *ctx=NULL;
char *tmp_char=NULL;
ECDSA_DATA *ecdsa = ecdsa_check(eckey);;
EVP_MD_CTX_init(&md_ctx);
/* get the message digest */
EVP_DigestInit(&md_ctx, EVP_ecdsa());
EVP_DigestUpdate(&md_ctx, (const void*)message, 3);
EVP_DigestFinal(&md_ctx, digest, &dgst_len);
BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
/* create the key */
if ((key = EC_KEY_new()) == NULL)
goto x962_int_err;
if ((key->group = EC_GROUP_new_by_nid(nid)) == NULL)
goto x962_int_err;
if (!EC_KEY_generate_key(key))
goto x962_int_err;
BIO_printf(out, ".");
BIO_flush(out);
/* create the signature */
signature = ECDSA_do_sign(digest, 20, key);
if (signature == NULL)
goto x962_int_err;
BIO_printf(out, ".");
BIO_flush(out);
/* compare the created signature with the expected signature */
if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
goto x962_int_err;
if (!BN_dec2bn(&r, r_in) ||
!BN_dec2bn(&s, s_in))
goto x962_int_err;
if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
goto x962_int_err;
BIO_printf(out, ".");
BIO_flush(out);
/* verify the signature */
if (ECDSA_do_verify(digest, 20, signature, key) != 1)
goto x962_int_err;
BIO_printf(out, ".");
BIO_flush(out);
BIO_printf(out, " ok\n");
ret = 1;
x962_int_err:
if (!ret)
BIO_printf(out, " failed\n");
if (key)
EC_KEY_free(key);
if (signature)
ECDSA_SIG_free(signature);
if (r)
BN_free(r);
if (s)
BN_free(s);
EVP_MD_CTX_cleanup(&md_ctx);
return ret;
}
int x9_62_tests(BIO *out)
{
int ret = 0;
BIO_printf(out, "some tests from X9.62:\n");
/* set own rand method */
if (!change_rand())
goto x962_err;
if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
"3342403536405981729393488334694600415596881826869351677613",
"5735822328888155254683894997897571951568553642892029982342"))
goto x962_err;
if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
"3086361431751678114926225473006680188549593787585317781474"
"62058306432176",
"3238135532097973577080787768312505059318910517550078427819"
"78505179448783"))
goto x962_err;
if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
"87194383164871543355722284926904419997237591535066528048",
"308992691965804947361541664549085895292153777025772063598"))
goto x962_err;
if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
"2159633321041961198501834003903461262881815148684178964245"
"5876922391552",
"1970303740007316867383349976549972270528498040721988191026"
"49413465737174"))
goto x962_err;
ret = 1;
x962_err:
if (!restore_rand())
ret = 0;
return ret;
}
int test_builtin(BIO *out)
{
EC_builtin_curve *curves = NULL;
size_t crv_len = 0, n = 0;
EC_KEY *eckey = NULL, *wrong_eckey = NULL;
unsigned char digest[20], wrong_digest[20];
unsigned char *signature;
unsigned int sig_len;
int nid, ret = 0;
if (!eckey || !eckey->group || !eckey->pub_key || !eckey->priv_key
|| !ecdsa)
return 0;
if ((point = EC_POINT_new(eckey->group)) == NULL) goto err;
if ((r = BN_new()) == NULL || (s = BN_new()) == NULL
|| (k = BN_new()) == NULL || (x = BN_new()) == NULL ||
(y = BN_new()) == NULL || (m = BN_new()) == NULL ||
(ord = BN_new()) == NULL) goto err;
if ((ctx = BN_CTX_new()) == NULL) goto err;
if (!BN_bin2bn(dgst, 20, m)) goto err;
if (!BN_dec2bn(&k, k_in)) goto err;
if (!EC_POINT_mul(eckey->group, point, k, NULL, NULL, ctx)) goto err;
if (!EC_POINT_get_affine_coordinates_GFp(eckey->group, point, x, y,
ctx)) goto err;
if (!EC_GROUP_get_order(eckey->group, ord, ctx)) goto err;
if ((ecdsa->r = BN_dup(x)) == NULL) goto err;
if ((ecdsa->kinv = BN_mod_inverse(NULL, k, ord, ctx)) == NULL)
goto err;
if ((sig = ECDSA_do_sign(dgst, 20, eckey)) == NULL)
{
BIO_printf(bio_err,"ECDSA_do_sign() failed \n");
goto err;
}
if (!BN_dec2bn(&r, r_in)) goto err;
if (!BN_dec2bn(&s, s_in)) goto err;
if (BN_cmp(sig->r,r) != 0 || BN_cmp(sig->s,s) != 0)
{
tmp_char = OPENSSL_malloc(128);
if (tmp_char == NULL) goto err;
tmp_char = BN_bn2dec(sig->r);
BIO_printf(bio_err,"unexpected signature \n");
BIO_printf(bio_err,"sig->r = %s\n",tmp_char);
tmp_char = BN_bn2dec(sig->s);
BIO_printf(bio_err,"sig->s = %s\n",tmp_char);
goto err;
}
ret = ECDSA_do_verify(dgst, 20, sig, eckey);
if (ret != 1)
{
BIO_printf(bio_err,"ECDSA_do_verify : signature verification failed \n");
goto err;
}
ret = 1;
err : if (r) BN_free(r);
if (s) BN_free(s);
if (k) BN_free(k);
if (x) BN_free(x);
if (y) BN_free(y);
if (m) BN_free(m);
if (ord) BN_free(ord);
if (sig) ECDSA_SIG_free(sig);
if (ctx) BN_CTX_free(ctx);
if (point) EC_POINT_free(point);
if (tmp_char) OPENSSL_free(tmp_char);
return(ret == 1);
}
/* fill digest values with some random data */
if (!RAND_pseudo_bytes(digest, 20) ||
!RAND_pseudo_bytes(wrong_digest, 20))
{
BIO_printf(out, "ERROR: unable to get random data\n");
goto builtin_err;
}
int ecdsa_cmp(const EC_KEY *a, const EC_KEY *b)
{
int ret=1;
BN_CTX *ctx=NULL;
BIGNUM *tmp_a1=NULL, *tmp_a2=NULL, *tmp_a3=NULL;
BIGNUM *tmp_b1=NULL, *tmp_b2=NULL, *tmp_b3=NULL;
/* create and verify a ecdsa signature with every availble curve
* (with ) */
BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
"with some internal curves:\n");
if ((ctx = BN_CTX_new()) == NULL) return 1;
if ((tmp_a1 = BN_new()) == NULL || (tmp_a2 = BN_new()) == NULL || (tmp_a3 = BN_new()) == NULL) goto err;
if ((tmp_b1 = BN_new()) == NULL || (tmp_b2 = BN_new()) == NULL || (tmp_b3 = BN_new()) == NULL) goto err;
/* get a list of all internal curves */
crv_len = EC_get_builtin_curves(NULL, 0);
if (a->pub_key && b->pub_key)
if (EC_POINT_cmp(a->group, a->pub_key, b->pub_key, ctx) != 0) goto err;
if (a->priv_key && b->priv_key)
if (BN_cmp(a->priv_key, b->priv_key) != 0) goto err;
if (!EC_GROUP_get_curve_GFp(a->group, tmp_a1, tmp_a2, tmp_a3, ctx)) goto err;
if (!EC_GROUP_get_curve_GFp(a->group, tmp_b1, tmp_b2, tmp_b3, ctx)) goto err;
if (BN_cmp(tmp_a1, tmp_b1) != 0) goto err;
if (BN_cmp(tmp_a2, tmp_b2) != 0) goto err;
if (BN_cmp(tmp_a3, tmp_b3) != 0) goto err;
curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
ret = 0;
err: if (tmp_a1) BN_free(tmp_a1);
if (tmp_a2) BN_free(tmp_a2);
if (tmp_a3) BN_free(tmp_a3);
if (tmp_b1) BN_free(tmp_b1);
if (tmp_b2) BN_free(tmp_b2);
if (tmp_b3) BN_free(tmp_b3);
if (ctx) BN_CTX_free(ctx);
return(ret);
}
if (curves == NULL)
{
BIO_printf(out, "malloc error\n");
goto builtin_err;
}
if (!EC_get_builtin_curves(curves, crv_len))
{
BIO_printf(out, "unable to get internal curves\n");
goto builtin_err;
}
/* now create and verify a signature for every curve */
for (n = 0; n < crv_len; n++)
{
nid = curves[n].nid;
/* create new ecdsa key (== EC_KEY) */
if ((eckey = EC_KEY_new()) == NULL)
goto builtin_err;
if ((eckey->group = EC_GROUP_new_by_nid(nid)) == NULL)
goto builtin_err;
if (EC_GROUP_get_degree(eckey->group) < 160)
/* drop the curve */
{
EC_KEY_free(eckey);
eckey = NULL;
continue;
}
BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
/* create key */
if (!EC_KEY_generate_key(eckey))
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
/* create second key */
if ((wrong_eckey = EC_KEY_new()) == NULL)
goto builtin_err;
if ((wrong_eckey->group = EC_GROUP_new_by_nid(nid)) == NULL)
goto builtin_err;
if (!EC_KEY_generate_key(wrong_eckey))
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
BIO_printf(out, ".");
BIO_flush(out);
/* check key */
if (!EC_KEY_check_key(eckey))
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
BIO_printf(out, ".");
BIO_flush(out);
/* create signature */
sig_len = ECDSA_size(eckey);
if ((signature = OPENSSL_malloc(sig_len)) == NULL)
goto builtin_err;
if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey))
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
BIO_printf(out, ".");
BIO_flush(out);
/* verify signature */
if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
BIO_printf(out, ".");
BIO_flush(out);
/* verify signature with the wrong key */
if (ECDSA_verify(0, digest, 20, signature, sig_len,
wrong_eckey) == 1)
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
BIO_printf(out, ".");
BIO_flush(out);
/* wrong digest */
if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
eckey) == 1)
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
BIO_printf(out, ".");
BIO_flush(out);
/* modify signature */
signature[((int)signature[0])%sig_len] ^=
signature[((int)signature[1])%sig_len];
if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1)
{
BIO_printf(out, " failed\n");
goto builtin_err;
}
BIO_printf(out, ".");
BIO_flush(out);
BIO_printf(out, " ok\n");
/* cleanup */
OPENSSL_free(signature);
signature = NULL;
EC_KEY_free(eckey);
eckey = NULL;
EC_KEY_free(wrong_eckey);
wrong_eckey = NULL;
}
ret = 1;
builtin_err:
if (eckey)
EC_KEY_free(eckey);
if (wrong_eckey)
EC_KEY_free(wrong_eckey);
if (signature);
OPENSSL_free(signature);
if (curves)
OPENSSL_free(curves);
return ret;
}
int main(void)
{
EC_KEY *ecdsa=NULL, *ret_ecdsa=NULL;
BIGNUM *d=NULL;
X509_PUBKEY *x509_pubkey=NULL;
PKCS8_PRIV_KEY_INFO *pkcs8=NULL;
EVP_PKEY *pkey=NULL, *ret_pkey=NULL;
int dgst_len=0;
unsigned char *dgst=NULL;
int ret = 0, i=0;
clock_t tim;
unsigned char *buffer=NULL;
unsigned char *pp;
long buf_len=0;
double tim_d;
EVP_MD_CTX *md_ctx=NULL;
{
int ret = 0;
BIO *out;
out = BIO_new_fp(stdout, BIO_NOCLOSE);
/* enable memory leak checking unless explicitly disabled */
if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) &&
(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
{
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
@ -374,210 +456,27 @@ int main(void)
ERR_load_crypto_strings();
if (bio_err == NULL)
bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
/* initialize the prng */
RAND_seed(rnd_seed, sizeof(rnd_seed));
if ((ecdsa = EC_KEY_new()) == NULL) goto err;
set_p192_param(ecdsa);
EC_KEY_print(bio_err, ecdsa, 0);
/* en- decode tests */
/* i2d_ - d2i_ECParameters() */
BIO_printf(bio_err, "\nTesting i2d_ - d2i_ECDSAParameters \n");
buf_len = i2d_ECParameters(ecdsa, NULL);
if (!buf_len || (buffer = OPENSSL_malloc(buf_len)) == NULL) goto err;
pp = buffer;
if (!i2d_ECParameters(ecdsa, &pp)) goto err;
pp = buffer;
if ((ret_ecdsa = d2i_ECParameters(&ret_ecdsa, (const unsigned char **)&pp,
buf_len)) == NULL) goto err;
ECParameters_print(bio_err, ret_ecdsa);
if (ecdsa_cmp(ecdsa, ret_ecdsa)) goto err;
OPENSSL_free(buffer);
buffer = NULL;
EC_KEY_free(ret_ecdsa);
ret_ecdsa = NULL;
/* i2d_ - d2i_ECPrivateKey() */
BIO_printf(bio_err, "\nTesting i2d_ - d2i_ECDSAPrivateKey \n");
buf_len = i2d_ECPrivateKey(ecdsa, NULL);
if (!buf_len || (buffer = OPENSSL_malloc(buf_len)) == NULL) goto err;
pp = buffer;
if (!i2d_ECPrivateKey(ecdsa, &pp)) goto err;
pp = buffer;
if ((ret_ecdsa = d2i_ECPrivateKey(&ret_ecdsa, (const unsigned char**)&pp,
buf_len)) == NULL) goto err;
EC_KEY_print(bio_err, ret_ecdsa, 0);
if (ecdsa_cmp(ecdsa, ret_ecdsa)) goto err;
EC_KEY_free(ret_ecdsa);
ret_ecdsa = NULL;
OPENSSL_free(buffer);
buffer = NULL;
/* X509_PUBKEY_set() & X509_PUBKEY_get() */
BIO_printf(bio_err, "\nTesting X509_PUBKEY_{get,set} : ");
if ((pkey = EVP_PKEY_new()) == NULL) goto err;
EVP_PKEY_assign_EC_KEY(pkey, ecdsa);
if ((x509_pubkey = X509_PUBKEY_new()) == NULL) goto err;
if (!X509_PUBKEY_set(&x509_pubkey, pkey)) goto err;
if ((ret_pkey = X509_PUBKEY_get(x509_pubkey)) == NULL) goto err;
ret_ecdsa = EVP_PKEY_get1_EC_KEY(ret_pkey);
EVP_PKEY_free(ret_pkey);
ret_pkey = NULL;
if (ecdsa_cmp(ecdsa, ret_ecdsa))
{
BIO_printf(bio_err, "TEST FAILED \n");
goto err;
}
else BIO_printf(bio_err, "TEST OK \n");
X509_PUBKEY_free(x509_pubkey);
x509_pubkey = NULL;
EC_KEY_free(ret_ecdsa);
ret_ecdsa = NULL;
/* Testing PKCS8_PRIV_KEY_INFO <-> EVP_PKEY */
BIO_printf(bio_err, "Testing PKCS8_PRIV_KEY_INFO <-> EVP_PKEY : \n");
BIO_printf(bio_err, "PKCS8_OK : ");
if ((pkcs8 = EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK)) == NULL) goto err;
if ((ret_pkey = EVP_PKCS82PKEY(pkcs8)) == NULL) goto err;
ret_ecdsa = EVP_PKEY_get1_EC_KEY(ret_pkey);
if (ecdsa_cmp(ecdsa, ret_ecdsa))
{
BIO_printf(bio_err, "TEST FAILED \n");
goto err;
}
else BIO_printf(bio_err, "TEST OK \n");
EVP_PKEY_free(ret_pkey);
ret_pkey = NULL;
EC_KEY_free(ret_ecdsa);
ret_ecdsa = NULL;
PKCS8_PRIV_KEY_INFO_free(pkcs8);
EVP_PKEY_free(pkey);
pkey = NULL;
ecdsa = NULL;
pkcs8 = NULL;
/* sign and verify tests */
if ((d = BN_new()) == NULL) goto err;
if (!BN_dec2bn(&d, "968236873715988614170569073515315707566766479517")) goto err;
dgst_len = BN_num_bytes(d);
if ((dgst = OPENSSL_malloc(dgst_len)) == NULL) goto err;
if (!BN_bn2bin(d, dgst)) goto err;
BIO_printf(bio_err, "Performing tests based on examples H.3.1 and H.3.2 of X9.62 \n");
BIO_printf(bio_err, "PRIME_192_V1 : ");
if ((ecdsa = EC_KEY_new()) == NULL) goto err;
if (!set_p192_param(ecdsa)) goto err;
if (!test_x962_sig_vrf(ecdsa, dgst, "6140507067065001063065065565667405560006161556565665656654",
"3342403536405981729393488334694600415596881826869351677613",
"5735822328888155254683894997897571951568553642892029982342"))
goto err;
else
BIO_printf(bio_err, "OK\n");
BIO_printf(bio_err, "PRIME_239_V1 : ");
if (!set_p239_param(ecdsa))
goto err;
if (!test_x962_sig_vrf(ecdsa, dgst, "700000017569056646655505781757157107570501575775705779575555657156756655",
"308636143175167811492622547300668018854959378758531778147462058306432176",
"323813553209797357708078776831250505931891051755007842781978505179448783"))
goto err;
else
BIO_printf(bio_err, "OK\n");
EC_KEY_free(ecdsa);
ecdsa = NULL;
OPENSSL_free(dgst);
dgst = NULL;
for (i=0; i<ECDSA_NIST_TESTS; i++)
if (!RAND_bytes(digest[i], 20)) goto err;
BIO_printf(bio_err, "\n");
/* Macro for each test */
#define ECDSA_GROUP_TEST(text, curve) \
BIO_printf(bio_err, "Testing sign & verify with %s : \n", text); \
EC_KEY_free(ecdsa); \
if ((ecdsa = EC_KEY_new()) == NULL) goto err; \
if ((ecdsa->group = EC_GROUP_new_by_nid(curve)) == NULL) goto err; \
if (!EC_KEY_generate_key(ecdsa)) goto err; \
tim = clock(); \
for (i=0; i<ECDSA_NIST_TESTS; i++) \
if ((signatures[i] = ECDSA_do_sign(digest[i], 20, ecdsa)) == NULL) goto err; \
tim = clock() - tim; \
tim_d = (double)tim / CLOCKS_PER_SEC; \
BIO_printf(bio_err, "%d x ECDSA_do_sign() in %.2f"UNIT" => average time for ECDSA_do_sign() %.4f"UNIT"\n" \
, ECDSA_NIST_TESTS, tim_d, tim_d / ECDSA_NIST_TESTS); \
tim = clock(); \
for (i=0; i<ECDSA_NIST_TESTS; i++) \
if (!ECDSA_do_verify(digest[i], 20, signatures[i], ecdsa)) goto err; \
tim = clock() - tim; \
tim_d = (double)tim / CLOCKS_PER_SEC; \
BIO_printf(bio_err, "%d x ECDSA_do_verify() in %.2f"UNIT" => average time for ECDSA_do_verify() %.4f"UNIT"\n" \
, ECDSA_NIST_TESTS, tim_d, tim_d/ECDSA_NIST_TESTS); \
for (i=0; i<ECDSA_NIST_TESTS; i++) \
{ \
ECDSA_SIG_free(signatures[i]); \
signatures[i] = NULL; \
}
/* NIST PRIME CURVES TESTS */
ECDSA_GROUP_TEST("NIST Prime-Curve P-192", NID_X9_62_prime192v1);
ECDSA_GROUP_TEST("NIST Prime-Curve P-224", NID_secp224r1);
ECDSA_GROUP_TEST("NIST Prime-Curve P-256", NID_X9_62_prime256v1);
ECDSA_GROUP_TEST("NIST Prime-Curve P-384", NID_secp384r1);
ECDSA_GROUP_TEST("NIST Prime-Curve P-521", NID_secp521r1);
/* NIST BINARY CURVES TESTS */
ECDSA_GROUP_TEST("NIST Binary-Curve K-163", NID_sect163k1);
ECDSA_GROUP_TEST("NIST Binary-Curve B-163", NID_sect163r2);
ECDSA_GROUP_TEST("NIST Binary-Curve K-233", NID_sect233k1);
ECDSA_GROUP_TEST("NIST Binary-Curve B-233", NID_sect233r1);
ECDSA_GROUP_TEST("NIST Binary-Curve K-283", NID_sect283k1);
ECDSA_GROUP_TEST("NIST Binary-Curve B-283", NID_sect283r1);
ECDSA_GROUP_TEST("NIST Binary-Curve K-409", NID_sect409k1);
ECDSA_GROUP_TEST("NIST Binary-Curve B-409", NID_sect409r1);
ECDSA_GROUP_TEST("NIST Binary-Curve K-571", NID_sect571k1);
ECDSA_GROUP_TEST("NIST Binary-Curve B-571", NID_sect571r1);
#undef ECDSA_GROUP_TEST
EC_KEY_free(ecdsa);
ecdsa = NULL;
OPENSSL_free(buffer);
buffer = NULL;
EVP_PKEY_free(pkey);
pkey = NULL;
/* the tests */
if (!x9_62_tests(out)) goto err;
if (!test_builtin(out)) goto err;
ret = 1;
err: if (!ret)
BIO_printf(bio_err, "TEST FAILED \n");
err:
if (!ret)
BIO_printf(out, "\nECDSA test failed\n");
else
BIO_printf(bio_err, "TEST PASSED \n");
BIO_printf(out, "\nECDSA test passed\n");
if (!ret)
ERR_print_errors(bio_err);
if (ecdsa) EC_KEY_free(ecdsa);
if (d) BN_free(d);
if (dgst) OPENSSL_free(dgst);
if (md_ctx) EVP_MD_CTX_destroy(md_ctx);
if (pkey) EVP_PKEY_free(pkey);
ERR_print_errors(out);
CRYPTO_cleanup_all_ex_data();
ERR_remove_state(0);
ERR_free_strings();
CRYPTO_mem_leaks(bio_err);
if (bio_err != NULL)
{
BIO_free(bio_err);
bio_err = NULL;
}
CRYPTO_mem_leaks(out);
if (out != NULL)
BIO_free(out);
return(0);
}
}
#endif