diff options
| author | Bodo Möller <bodo@openssl.org> | 2000-07-02 19:42:19 +0000 |
|---|---|---|
| committer | Bodo Möller <bodo@openssl.org> | 2000-07-02 19:42:19 +0000 |
| commit | 904cb691f38a88ca4c6e5db2153afbb3bac193fc (patch) | |
| tree | 9ce728bdf89e3860b9a5b51842b1a7a987c74841 /crypto/bn/bn_rand.c | |
| parent | 3f2599d97d6ffe26e81eb46c43c7f0905c8fb762 (diff) | |
Return bignum '0' when BN_rand is asked for a 0 bit random number.
Diffstat (limited to 'crypto/bn/bn_rand.c')
| -rw-r--r-- | crypto/bn/bn_rand.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/bn/bn_rand.c b/crypto/bn/bn_rand.c index b1163f7ec4..21ecbc04ed 100644 --- a/crypto/bn/bn_rand.c +++ b/crypto/bn/bn_rand.c @@ -68,6 +68,12 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom) int ret=0,bit,bytes,mask; time_t tim; + if (bits == 0) + { + BN_zero(rnd); + return 1; + } + bytes=(bits+7)/8; bit=(bits-1)%8; mask=0xff<<bit; |