diff options
Diffstat (limited to 'crypto/bn/bn_lib.c')
-rw-r--r-- | crypto/bn/bn_lib.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c index 9d665c26fc..ead513c7ae 100644 --- a/crypto/bn/bn_lib.c +++ b/crypto/bn/bn_lib.c @@ -440,6 +440,10 @@ static BIGNUM *bin2bn(const unsigned char *s, int len, BIGNUM *ret, unsigned int n; BIGNUM *bn = NULL; + /* Negative length is not acceptable */ + if (len < 0) + return NULL; + if (ret == NULL) ret = bn = BN_new(); if (ret == NULL) |