Rename more variables for readability and consistency.

1 files changed, 25 insertions, 25 deletions

diff --git a/src/lib/libssl/t1_enc.c b/src/lib/libssl/t1_enc.c
index 3146388c73..497b767d57 100644
--- a/src/lib/libssl/t1_enc.c
+++ b/src/lib/libssl/t1_enc.c
@@ -313,22 +313,22 @@ tls1_change_cipher_state(SSL *s, int which)
         int mac_secret_size, key_len, iv_len;
         unsigned char *key_block, *exp_label;
 
-        EVP_CIPHER_CTX *dd;
-        const EVP_CIPHER *c;
+        EVP_CIPHER_CTX *cipher_ctx;
+        const EVP_CIPHER *cipher;
 #ifndef OPENSSL_NO_COMP
         const SSL_COMP *comp;
 #endif
-        const EVP_MD *m;
+        const EVP_MD *mac;
         int mac_type;
         EVP_MD_CTX *mac_ctx;
         EVP_PKEY *mac_key;
         int is_export, exp_label_len;
-        int reuse_dd = 0;
         char is_read, use_client_keys;
+        int reuse_dd = 0;
 
         is_export = SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
-        c = s->s3->tmp.new_sym_enc;
-        m = s->s3->tmp.new_hash;
+        cipher = s->s3->tmp.new_sym_enc;
+        mac = s->s3->tmp.new_hash;
         mac_type = s->s3->tmp.new_mac_pkey_type;
 
         /*
@@ -396,7 +396,7 @@ tls1_change_cipher_state(SSL *s, int which)
                         /* make sure it's intialized in case we exit later with an error */
                         EVP_CIPHER_CTX_init(s->enc_read_ctx);
                 }
-                dd = s->enc_read_ctx;
+                cipher_ctx = s->enc_read_ctx;
 
                 ssl_clear_hash_ctx(&s->read_hash);
                 if ((mac_ctx = EVP_MD_CTX_create()) == NULL)
@@ -415,7 +415,7 @@ tls1_change_cipher_state(SSL *s, int which)
                         reuse_dd = 1;
                 else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL)
                         goto err;
-                dd = s->enc_write_ctx;
+                cipher_ctx = s->enc_write_ctx;
 
                 /*
                  * DTLS fragments retain a pointer to the compression, cipher
@@ -436,19 +436,19 @@ tls1_change_cipher_state(SSL *s, int which)
         }
 
         if (reuse_dd)
-                EVP_CIPHER_CTX_cleanup(dd);
+                EVP_CIPHER_CTX_cleanup(cipher_ctx);
 
-        key_len = EVP_CIPHER_key_length(c);
+        key_len = EVP_CIPHER_key_length(cipher);
         if (is_export) {
                 if (key_len > SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher))
                         key_len = SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher);
         }
 
         /* If GCM mode only part of IV comes from PRF. */
-        if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
+        if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE)
                 iv_len = EVP_GCM_TLS_FIXED_IV_LEN;
         else
-                iv_len = EVP_CIPHER_iv_length(c);
+                iv_len = EVP_CIPHER_iv_length(cipher);
 
         mac_secret_size = s->s3->tmp.new_mac_secret_size;
 
@@ -493,10 +493,10 @@ tls1_change_cipher_state(SSL *s, int which)
                 s->s3->write_mac_secret_size = mac_secret_size;
         }
 
-        if (!(EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER)) {
+        if (!(EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)) {
                 mac_key = EVP_PKEY_new_mac_key(mac_type, NULL,
                     mac_secret, mac_secret_size);
-                EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key);
+                EVP_DigestSignInit(mac_ctx, NULL, mac, NULL, mac_key);
                 EVP_PKEY_free(mac_key);
         }
         if (is_export) {
@@ -508,7 +508,7 @@ tls1_change_cipher_state(SSL *s, int which)
                     s->s3->client_random, SSL3_RANDOM_SIZE,
                     s->s3->server_random, SSL3_RANDOM_SIZE,
                     NULL, 0, NULL, 0, key, key_len, tmp1, tmp2,
-                    EVP_CIPHER_key_length(c)))
+                    EVP_CIPHER_key_length(cipher)))
                         goto err2;
                 key = tmp1;
 
@@ -527,19 +527,19 @@ tls1_change_cipher_state(SSL *s, int which)
         }
 
 
-        if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) {
-                EVP_CipherInit_ex(dd, c, NULL, key, NULL,
+        if (EVP_CIPHER_mode(cipher) == EVP_CIPH_GCM_MODE) {
+                EVP_CipherInit_ex(cipher_ctx, cipher, NULL, key, NULL,
                     (which & SSL3_CC_WRITE));
-                EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, iv_len,
-                    (unsigned char *)iv);
+                EVP_CIPHER_CTX_ctrl(cipher_ctx, EVP_CTRL_GCM_SET_IV_FIXED,
+                    iv_len, (unsigned char *)iv);
         } else
-                EVP_CipherInit_ex(dd, c, NULL, key, iv,
+                EVP_CipherInit_ex(cipher_ctx, cipher, NULL, key, iv,
                     (which & SSL3_CC_WRITE));
 
         /* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */
-        if ((EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER) &&
+        if ((EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) &&
             mac_secret_size)
-                EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_MAC_KEY,
+                EVP_CIPHER_CTX_ctrl(cipher_ctx, EVP_CTRL_AEAD_SET_MAC_KEY,
                     mac_secret_size, (unsigned char *)mac_secret);
 
         OPENSSL_cleanse(tmp1, sizeof(tmp1));
@@ -561,7 +561,7 @@ tls1_setup_key_block(SSL *s)
         int mac_type = NID_undef, mac_secret_size = 0;
         int key_block_len, key_len, iv_len;
         const EVP_CIPHER *cipher;
-        const EVP_MD *hash;
+        const EVP_MD *mac;
         SSL_COMP *comp;
         int ret = 0;
 
@@ -574,7 +574,7 @@ tls1_setup_key_block(SSL *s)
                 return (0);
         }
 
-        if (!ssl_cipher_get_evp(s->session, &cipher, &hash, &mac_type,
+        if (!ssl_cipher_get_evp(s->session, &cipher, &mac, &mac_type,
             &mac_secret_size)) {
                 SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,
                     SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
@@ -589,7 +589,7 @@ tls1_setup_key_block(SSL *s)
                 iv_len = EVP_CIPHER_iv_length(cipher);
 
         s->s3->tmp.new_sym_enc = cipher;
-        s->s3->tmp.new_hash = hash;
+        s->s3->tmp.new_hash = mac;
         s->s3->tmp.new_mac_pkey_type = mac_type;
         s->s3->tmp.new_mac_secret_size = mac_secret_size;
         key_block_len = (mac_secret_size + key_len + iv_len) * 2;