diff options
Diffstat (limited to 'crypto/bn/bn_word.c')
-rw-r--r-- | crypto/bn/bn_word.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/crypto/bn/bn_word.c b/crypto/bn/bn_word.c index cd59baa2c4..988e0ca7b3 100644 --- a/crypto/bn/bn_word.c +++ b/crypto/bn/bn_word.c @@ -123,7 +123,10 @@ int BN_add_word(BIGNUM *a, BN_ULONG w) i=0; for (;;) { - l=(a->d[i]+(BN_ULONG)w)&BN_MASK2; + if (i >= a->top) + l=w; + else + l=(a->d[i]+(BN_ULONG)w)&BN_MASK2; a->d[i]=l; if (w > l) w=1; |