diff options
author | Pauli <paul.dale@oracle.com> | 2019-05-07 10:55:39 +1000 |
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committer | Pauli <paul.dale@oracle.com> | 2019-05-08 09:52:58 +1000 |
commit | 6521cb0319e9bb1d49c93bd9885c7b253e90cef6 (patch) | |
tree | 0daa6eb02ad6f3e68cb6ade98584b8ea37097d2d /crypto/evp/e_des3.c | |
parent | 21d9856986e4b24a782e76270c8a83cc315faa3f (diff) |
Coverity CID 1444956: Integer handling issues
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8888)
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; |