diff options
Diffstat (limited to 'crypto/evp/e_des3.c')
| -rw-r--r-- | crypto/evp/e_des3.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/evp/e_des3.c b/crypto/evp/e_des3.c index 6177659a83..52fde95fb0 100644 --- a/crypto/evp/e_des3.c +++ b/crypto/evp/e_des3.c @@ -280,15 +280,17 @@ static int des3_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) { DES_cblock *deskey = ptr; + int kl; switch (type) { case EVP_CTRL_RAND_KEY: - if (RAND_priv_bytes(ptr, EVP_CIPHER_CTX_key_length(ctx)) <= 0) + kl = EVP_CIPHER_CTX_key_length(ctx); + if (kl < 0 || RAND_priv_bytes(ptr, kl) <= 0) return 0; DES_set_odd_parity(deskey); - if (EVP_CIPHER_CTX_key_length(ctx) >= 16) + if (kl >= 16) DES_set_odd_parity(deskey + 1); - if (EVP_CIPHER_CTX_key_length(ctx) >= 24) + if (kl >= 24) DES_set_odd_parity(deskey + 2); return 1; |