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Prepare exptest for bn opaquify

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Reviewed-by: Tim Hudson <tjh@openssl.org>
This commit is contained in:
Matt Caswell 2014-11-24 10:36:27 +00:00
parent 85bcf27ccc
commit 7a5233118c
1 changed files with 21 additions and 16 deletions
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37
crypto/bn/exptest.c
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@ -73,37 +73,42 @@ static const char rnd_seed[] = "string to make the random number generator think
/* test_exp_mod_zero tests that x**0 mod 1 == 0. It returns zero on success. */
static int test_exp_mod_zero() {
BIGNUM a, p, m;
BIGNUM r;
BIGNUM *a = NULL, *p = NULL, *m = NULL;
BIGNUM *r = NULL;
BN_CTX *ctx = BN_CTX_new();
int ret = 1;
BN_init(&m);
BN_one(&m);
m = BN_new();
if(!m) goto err;
BN_one(m);
BN_init(&a);
BN_one(&a);
a = BN_new();
if(!a) goto err;
BN_one(a);
BN_init(&p);
BN_zero(&p);
p = BN_new();
if(!p) goto err;
BN_zero(p);
BN_init(&r);
BN_mod_exp(&r, &a, &p, &m, ctx);
r = BN_new();
if(!r) goto err;
BN_mod_exp(r, a, p, m, ctx);
BN_CTX_free(ctx);
if (BN_is_zero(&r))
if (BN_is_zero(r))
ret = 0;
else
{
printf("1**0 mod 1 = ");
BN_print_fp(stdout, &r);
BN_print_fp(stdout, r);
printf(", should be 0\n");
}
BN_free(&r);
BN_free(&a);
BN_free(&p);
BN_free(&m);
err:
BN_free(r);
BN_free(a);
BN_free(p);
BN_free(m);
return ret;
}