From: Dmitry Belyavskiy <beldmit@gmail.com>
Date: Wed, 2 Jan 2019 10:28:07 +0000 (+0300)
Subject: Remove unused variables from tls1_change_cipher_state
X-Git-Tag: OpenSSL_1_1_1b~102
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=bb61be393f87ca1c1fad8dfed8c40a4da9d06448

Remove unused variables from tls1_change_cipher_state

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7971)

(cherry picked from commit d072eea2e39c4444ecce3598556053a4c552d9a2)
---

diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index 2db913fb06..ac8498646e 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -81,10 +81,6 @@ static int tls1_generate_key_block(SSL *s, unsigned char *km, size_t num)
 int tls1_change_cipher_state(SSL *s, int which)
 {
     unsigned char *p, *mac_secret;
-    unsigned char tmp1[EVP_MAX_KEY_LENGTH];
-    unsigned char tmp2[EVP_MAX_KEY_LENGTH];
-    unsigned char iv1[EVP_MAX_IV_LENGTH * 2];
-    unsigned char iv2[EVP_MAX_IV_LENGTH * 2];
     unsigned char *ms, *key, *iv;
     EVP_CIPHER_CTX *dd;
     const EVP_CIPHER *c;
@@ -334,16 +330,8 @@ int tls1_change_cipher_state(SSL *s, int which)
     printf("\n");
 #endif
 
-    OPENSSL_cleanse(tmp1, sizeof(tmp1));
-    OPENSSL_cleanse(tmp2, sizeof(tmp1));
-    OPENSSL_cleanse(iv1, sizeof(iv1));
-    OPENSSL_cleanse(iv2, sizeof(iv2));
     return 1;
  err:
-    OPENSSL_cleanse(tmp1, sizeof(tmp1));
-    OPENSSL_cleanse(tmp2, sizeof(tmp1));
-    OPENSSL_cleanse(iv1, sizeof(iv1));
-    OPENSSL_cleanse(iv2, sizeof(iv2));
     return 0;
 }