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authorPauli <ppzgs1@gmail.com>2021-03-19 05:50:28 +0100
committerPauli <pauli@openssl.org>2021-04-08 00:49:27 +0200
commit3bbc7b562abf4ca3221d8762fe3f749024936281 (patch)
treedb56fd74f0cc9a4f9fc9b6d372c029bbba6f2f52 /crypto/evp
parentevp: fix coverity 1451510: argument cannot be negative (diff)
downloadopenssl-3bbc7b562abf4ca3221d8762fe3f749024936281.tar.xz
openssl-3bbc7b562abf4ca3221d8762fe3f749024936281.zip
evp: fix coverity 1451509: argument cannot be negative
Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14620)
Diffstat (limited to 'crypto/evp')
-rw-r--r--crypto/evp/e_rc4_hmac_md5.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/crypto/evp/e_rc4_hmac_md5.c b/crypto/evp/e_rc4_hmac_md5.c
index 098aa3ee1b..8bc1da6323 100644
--- a/crypto/evp/e_rc4_hmac_md5.c
+++ b/crypto/evp/e_rc4_hmac_md5.c
@@ -46,8 +46,12 @@ static int rc4_hmac_md5_init_key(EVP_CIPHER_CTX *ctx,
const unsigned char *iv, int enc)
{
EVP_RC4_HMAC_MD5 *key = data(ctx);
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
- RC4_set_key(&key->ks, EVP_CIPHER_CTX_key_length(ctx), inkey);
+ if (keylen <= 0)
+ return 0;
+
+ RC4_set_key(&key->ks, keylen, inkey);
MD5_Init(&key->head); /* handy when benchmarking */
key->tail = key->head;