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Diffstat (limited to 'crypto/bn/bn_word.c')
| -rw-r--r-- | crypto/bn/bn_word.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/bn/bn_word.c b/crypto/bn/bn_word.c index 7e7ca58842..f3bdde969c 100644 --- a/crypto/bn/bn_word.c +++ b/crypto/bn/bn_word.c @@ -140,7 +140,7 @@ int BN_sub_word(BIGNUM *a, BN_ULONG w) { int i; - if (a->neg) + if (BN_is_zero(a) || a->neg) { a->neg=0; i=BN_add_word(a,w); |