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Compare numbers with BN_cmp().

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16582 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-01-18 13:25:31 +00:00
parent 1fc48af99a
commit 3e70d0927b
1 changed files with 60 additions and 2 deletions
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62
lib/des/test_bn.c
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@@ -194,7 +194,7 @@ test_BN_import_export(void)
}
static int
test_bn_uadd(void)
test_BN_uadd(void)
{
BIGNUM *a, *b, *c;
char *p;
@@ -266,6 +266,63 @@ test_bn_uadd(void)
return 0;
}
static int
test_BN_cmp(void)
{
BIGNUM *a, *b;
a = BN_new();
b = BN_new();
if (!BN_set_word(a, 1))
return 1;
if (!BN_set_word(b, 1))
return 1;
if (BN_cmp(a, b) != 0)
return 1;
if (BN_cmp(b, a) != 0)
return 1;
if (!BN_set_word(b, 2))
return 1;
if (BN_cmp(a, b) >= 0)
return 1;
if (BN_cmp(b, a) <= 0)
return 1;
BN_set_negative(b, 1);
if (BN_cmp(a, b) <= 0)
return 1;
if (BN_cmp(b, a) >= 0)
return 1;
BN_free(a);
BN_free(b);
BN_hex2bn(&a, "50212A3B611D46642C825A16A354CE0FD4D85DD1");
BN_hex2bn(&b, "50212A3B611D46642C825A16A354CE0FD4D85DD2");
if (BN_cmp(a, b) >= 0)
return 1;
if (BN_cmp(b, a) <= 0)
return 1;
BN_set_negative(b, 1);
if (BN_cmp(a, b) <= 0)
return 1;
if (BN_cmp(b, a) >= 0)
return 1;
BN_free(a);
BN_free(b);
return 0;
}
int
main(int argc, char **argv)
{
@@ -274,7 +331,8 @@ main(int argc, char **argv)
ret += test_BN_set_get();
ret += test_BN_bit();
ret += test_BN_import_export();
ret += test_bn_uadd();
ret += test_BN_uadd();
ret += test_BN_cmp();
return ret;
}