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authorMatt Caswell <matt@openssl.org>2016-06-24 10:31:08 +0100
committerMatt Caswell <matt@openssl.org>2016-06-24 13:25:00 +0100
commit0def528bc502a888a3f4ef3c38ea4c5e69fd7375 (patch)
tree4f37494b46ad745de9db8c19d104291187cf7266 /crypto/evp/e_rc4_hmac_md5.c
parent827d17f0210e6721be9834220be1e31b75b0b272 (diff)
Ensure HMAC key gets cleansed after use
aesni_cbc_hmac_sha256_ctrl() and aesni_cbc_hmac_sha1_ctrl() cleanse the HMAC key after use, but static int rc4_hmac_md5_ctrl() doesn't. Fixes an OCAP Audit issue. Reviewed-by: Andy Polyakov <appro@openssl.org>
Diffstat (limited to 'crypto/evp/e_rc4_hmac_md5.c')
-rw-r--r--crypto/evp/e_rc4_hmac_md5.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/evp/e_rc4_hmac_md5.c b/crypto/evp/e_rc4_hmac_md5.c
index 28b12c7c26..832daef178 100644
--- a/crypto/evp/e_rc4_hmac_md5.c
+++ b/crypto/evp/e_rc4_hmac_md5.c
@@ -213,6 +213,8 @@ static int rc4_hmac_md5_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
MD5_Init(&key->tail);
MD5_Update(&key->tail, hmac_key, sizeof(hmac_key));
+ OPENSSL_cleanse(hmac_key, sizeof(hmac_key));
+
return 1;
}
case EVP_CTRL_AEAD_TLS1_AAD: