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| author |   djm <djm@openbsd.org> | 2006-03-14 20:34:33 +0000 |
|---|---|---|
| committer | djm <djm@openbsd.org> | 2006-03-14 20:34:33 +0000 |
| commit | a9fe7edca00b07c96f0c1413b1bedc3b82c9965a (patch) | |
| tree | b2f2006b03ae650aff4f5e0069e2b06b020862b7 /lib/libssl/src | |
| parent | No need to declare optind/optarg if unistd.h is included. (diff) | |
| download | wireguard-openbsd-a9fe7edca00b07c96f0c1413b1bedc3b82c9965a.tar.xz wireguard-openbsd-a9fe7edca00b07c96f0c1413b1bedc3b82c9965a.zip | |
make BN_is_prime() realise that 2 is, in fact, a prime number.
from OpenSSL CVS; ok otto@ deraadt@
Diffstat (limited to 'lib/libssl/src')
| -rw-r--r-- | lib/libssl/src/crypto/bn/bn_prime.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libssl/src/crypto/bn/bn_prime.c b/lib/libssl/src/crypto/bn/bn_prime.c index e072d9255c4..f422172f16b 100644 --- a/lib/libssl/src/crypto/bn/bn_prime.c +++ b/lib/libssl/src/crypto/bn/bn_prime.c @@ -234,7 +234,9 @@ int BN_is_prime_fasttest(const BIGNUM *a, int checks, /* first look for small factors */ if (!BN_is_odd(a)) - return 0; + /* a is even => a is prime if and only if a == 2 */ + return BN_is_word(a, 2); + if (do_trial_division) { for (i = 1; i < NUMPRIMES; i++) |