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authorUlf Möller <ulf@openssl.org>2000-01-22 20:05:23 +0000
committerUlf Möller <ulf@openssl.org>2000-01-22 20:05:23 +0000
commit4486d0cd7a715aed7ca3728aa24413d91666bb68 (patch)
tree36342c32d8bd73c31ea5e3d33e9ee7796bab873c /crypto/dh/dh_check.c
parent09483c58e3b21841d2761ce90b1f12b24f814881 (diff)
Document the DH library, and make some minor changes along the way.
Diffstat (limited to 'crypto/dh/dh_check.c')
-rw-r--r--crypto/dh/dh_check.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/crypto/dh/dh_check.c b/crypto/dh/dh_check.c
index a2e7433b9c..7e5cfd8bfc 100644
--- a/crypto/dh/dh_check.c
+++ b/crypto/dh/dh_check.c
@@ -61,7 +61,7 @@
#include <openssl/bn.h>
#include <openssl/dh.h>
-/* Check that p is a strong prime and
+/* Check that p is a safe prime and
* if g is 2, 3 or 5, check that is is a suitable generator
* where
* for 2, p mod 24 == 11
@@ -88,11 +88,13 @@ int DH_check(DH *dh, int *ret)
l=BN_mod_word(dh->p,24);
if (l != 11) *ret|=DH_NOT_SUITABLE_GENERATOR;
}
-/* else if (BN_is_word(dh->g,DH_GENERATOR_3))
+#if 0
+ else if (BN_is_word(dh->g,DH_GENERATOR_3))
{
l=BN_mod_word(dh->p,12);
if (l != 5) *ret|=DH_NOT_SUITABLE_GENERATOR;
- }*/
+ }
+#endif
else if (BN_is_word(dh->g,DH_GENERATOR_5))
{
l=BN_mod_word(dh->p,10);
@@ -102,13 +104,13 @@ int DH_check(DH *dh, int *ret)
else
*ret|=DH_UNABLE_TO_CHECK_GENERATOR;
- if (!BN_is_prime(dh->p,BN_prime_checks(BN_num_bits(dh->p)),NULL,ctx,NULL))
+ if (!BN_is_prime(dh->p,BN_prime_checks,NULL,ctx,NULL))
*ret|=DH_CHECK_P_NOT_PRIME;
else
{
if (!BN_rshift1(q,dh->p)) goto err;
- if (!BN_is_prime(q,BN_prime_checks(BN_num_bits(q)),NULL,ctx,NULL))
- *ret|=DH_CHECK_P_NOT_STRONG_PRIME;
+ if (!BN_is_prime(q,BN_prime_checks,NULL,ctx,NULL))
+ *ret|=DH_CHECK_P_NOT_SAFE_PRIME;
}
ok=1;
err: