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Add a BN_mod_word test()

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The previous commit fixed a bug with BN_mod_word() which would have been
caught if we had a test for it. This commit adds one.

Reviewed-by: Andy Polyakov <appro@openssl.org>
This commit is contained in:
Matt Caswell 2016-05-31 11:38:52 +01:00
parent e82fd1b457
commit e4c4b2766b
1 changed files with 7 additions and 1 deletions
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8
crypto/bn/bntest.c
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@ -514,7 +514,7 @@ static void print_word(BIO *bp, BN_ULONG w)
int test_div_word(BIO *bp)
{
BIGNUM a, b;
BN_ULONG r, s;
BN_ULONG r, rmod, s;
int i;
BN_init(&a);
@ -528,8 +528,14 @@ int test_div_word(BIO *bp)
s = b.d[0];
BN_copy(&b, &a);
rmod = BN_mod_word(&b, s);
r = BN_div_word(&b, s);
if (rmod != r) {
fprintf(stderr, "Mod (word) test failed!\n");
return 0;
}
if (bp != NULL) {
if (!results) {
BN_print(bp, &a);