Fold TLS1_PRF_* into SSL_HANDSHAKE_MAC_*

They're redundant with each other.

Change-Id: I17e7ff8c4e0b1486986dd866fd99673fa2aaa494
Reviewed-on: https://boringssl-review.googlesource.com/4959
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index ead6cf3..4fbe92d 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -169,21 +169,21 @@
     {
      SSL3_TXT_RSA_RC4_128_MD5, SSL3_CK_RSA_RC4_128_MD5, SSL_kRSA, SSL_aRSA,
      SSL_RC4, SSL_MD5, SSL_SSLV3, SSL_MEDIUM,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher 05 */
     {
      SSL3_TXT_RSA_RC4_128_SHA, SSL3_CK_RSA_RC4_128_SHA, SSL_kRSA, SSL_aRSA,
      SSL_RC4, SSL_SHA1, SSL_SSLV3, SSL_MEDIUM,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher 0A */
     {
      SSL3_TXT_RSA_DES_192_CBC3_SHA, SSL3_CK_RSA_DES_192_CBC3_SHA, SSL_kRSA,
      SSL_aRSA, SSL_3DES, SSL_SHA1, SSL_SSLV3, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 112, 168,
+     SSL_HANDSHAKE_MAC_DEFAULT, 112, 168,
     },
 
 
@@ -193,28 +193,28 @@
     {
      TLS1_TXT_RSA_WITH_AES_128_SHA, TLS1_CK_RSA_WITH_AES_128_SHA, SSL_kRSA,
      SSL_aRSA, SSL_AES128, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher 33 */
     {
      TLS1_TXT_DHE_RSA_WITH_AES_128_SHA, TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
      SSL_kDHE, SSL_aRSA, SSL_AES128, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher 35 */
     {
      TLS1_TXT_RSA_WITH_AES_256_SHA, TLS1_CK_RSA_WITH_AES_256_SHA, SSL_kRSA,
      SSL_aRSA, SSL_AES256, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 256, 256,
+     SSL_HANDSHAKE_MAC_DEFAULT, 256, 256,
     },
 
     /* Cipher 39 */
     {
      TLS1_TXT_DHE_RSA_WITH_AES_256_SHA, TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
      SSL_kDHE, SSL_aRSA, SSL_AES256, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 256, 256,
+     SSL_HANDSHAKE_MAC_DEFAULT, 256, 256,
     },
 
 
@@ -224,14 +224,14 @@
     {
      TLS1_TXT_RSA_WITH_AES_128_SHA256, TLS1_CK_RSA_WITH_AES_128_SHA256,
      SSL_kRSA, SSL_aRSA, SSL_AES128, SSL_SHA256, SSL_TLSV1_2,
-     SSL_HIGH | SSL_FIPS, SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256, 128, 128,
+     SSL_HIGH | SSL_FIPS, SSL_HANDSHAKE_MAC_SHA256, 128, 128,
     },
 
     /* Cipher 3D */
     {
      TLS1_TXT_RSA_WITH_AES_256_SHA256, TLS1_CK_RSA_WITH_AES_256_SHA256,
      SSL_kRSA, SSL_aRSA, SSL_AES256, SSL_SHA256, SSL_TLSV1_2,
-     SSL_HIGH | SSL_FIPS, SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256, 256, 256,
+     SSL_HIGH | SSL_FIPS, SSL_HANDSHAKE_MAC_SHA256, 256, 256,
     },
 
     /* Cipher 67 */
@@ -239,7 +239,7 @@
      TLS1_TXT_DHE_RSA_WITH_AES_128_SHA256,
      TLS1_CK_DHE_RSA_WITH_AES_128_SHA256, SSL_kDHE, SSL_aRSA, SSL_AES128,
      SSL_SHA256, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256, 128, 128,
+     SSL_HANDSHAKE_MAC_SHA256, 128, 128,
     },
 
     /* Cipher 6B */
@@ -247,28 +247,28 @@
      TLS1_TXT_DHE_RSA_WITH_AES_256_SHA256,
      TLS1_CK_DHE_RSA_WITH_AES_256_SHA256, SSL_kDHE, SSL_aRSA, SSL_AES256,
      SSL_SHA256, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256, 256, 256,
+     SSL_HANDSHAKE_MAC_SHA256, 256, 256,
     },
 
     /* Cipher 8A */
     {
      TLS1_TXT_PSK_WITH_RC4_128_SHA, TLS1_CK_PSK_WITH_RC4_128_SHA, SSL_kPSK,
      SSL_aPSK, SSL_RC4, SSL_SHA1, SSL_TLSV1, SSL_MEDIUM,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher 8C */
     {
      TLS1_TXT_PSK_WITH_AES_128_CBC_SHA, TLS1_CK_PSK_WITH_AES_128_CBC_SHA,
      SSL_kPSK, SSL_aPSK, SSL_AES128, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher 8D */
     {
      TLS1_TXT_PSK_WITH_AES_256_CBC_SHA, TLS1_CK_PSK_WITH_AES_256_CBC_SHA,
      SSL_kPSK, SSL_aPSK, SSL_AES256, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 256, 256,
+     SSL_HANDSHAKE_MAC_DEFAULT, 256, 256,
     },
 
 
@@ -279,7 +279,7 @@
      TLS1_TXT_RSA_WITH_AES_128_GCM_SHA256,
      TLS1_CK_RSA_WITH_AES_128_GCM_SHA256, SSL_kRSA, SSL_aRSA, SSL_AES128GCM,
      SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256 |
+     SSL_HANDSHAKE_MAC_SHA256 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      128, 128,
     },
@@ -289,7 +289,7 @@
      TLS1_TXT_RSA_WITH_AES_256_GCM_SHA384,
      TLS1_CK_RSA_WITH_AES_256_GCM_SHA384, SSL_kRSA, SSL_aRSA, SSL_AES256GCM,
      SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384 |
+     SSL_HANDSHAKE_MAC_SHA384 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      256, 256,
     },
@@ -299,7 +299,7 @@
      TLS1_TXT_DHE_RSA_WITH_AES_128_GCM_SHA256,
      TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256, SSL_kDHE, SSL_aRSA, SSL_AES128GCM,
      SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256 |
+     SSL_HANDSHAKE_MAC_SHA256 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      128, 128,
     },
@@ -309,7 +309,7 @@
      TLS1_TXT_DHE_RSA_WITH_AES_256_GCM_SHA384,
      TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384, SSL_kDHE, SSL_aRSA, SSL_AES256GCM,
      SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384 |
+     SSL_HANDSHAKE_MAC_SHA384 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      256, 256,
     },
@@ -318,7 +318,7 @@
     {
      TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA,
      TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA, SSL_kECDHE, SSL_aECDSA, SSL_RC4,
-     SSL_SHA1, SSL_TLSV1, SSL_MEDIUM, SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128,
+     SSL_SHA1, SSL_TLSV1, SSL_MEDIUM, SSL_HANDSHAKE_MAC_DEFAULT, 128,
      128,
     },
 
@@ -327,7 +327,7 @@
      TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
      TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, SSL_kECDHE, SSL_aECDSA,
      SSL_AES128, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher C00A */
@@ -335,14 +335,14 @@
      TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
      TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, SSL_kECDHE, SSL_aECDSA,
      SSL_AES256, SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 256, 256,
+     SSL_HANDSHAKE_MAC_DEFAULT, 256, 256,
     },
 
     /* Cipher C011 */
     {
      TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA, TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA,
      SSL_kECDHE, SSL_aRSA, SSL_RC4, SSL_SHA1, SSL_TLSV1, SSL_MEDIUM,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher C013 */
@@ -350,7 +350,7 @@
      TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA,
      TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA, SSL_kECDHE, SSL_aRSA, SSL_AES128,
      SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 128, 128,
+     SSL_HANDSHAKE_MAC_DEFAULT, 128, 128,
     },
 
     /* Cipher C014 */
@@ -358,7 +358,7 @@
      TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA,
      TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA, SSL_kECDHE, SSL_aRSA, SSL_AES256,
      SSL_SHA1, SSL_TLSV1, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, 256, 256,
+     SSL_HANDSHAKE_MAC_DEFAULT, 256, 256,
     },
 
 
@@ -369,7 +369,7 @@
      TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_SHA256,
      TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256, SSL_kECDHE, SSL_aECDSA,
      SSL_AES128, SSL_SHA256, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256, 128, 128,
+     SSL_HANDSHAKE_MAC_SHA256, 128, 128,
     },
 
     /* Cipher C024 */
@@ -377,7 +377,7 @@
      TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_SHA384,
      TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384, SSL_kECDHE, SSL_aECDSA,
      SSL_AES256, SSL_SHA384, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384, 256, 256,
+     SSL_HANDSHAKE_MAC_SHA384, 256, 256,
     },
 
     /* Cipher C027 */
@@ -385,7 +385,7 @@
      TLS1_TXT_ECDHE_RSA_WITH_AES_128_SHA256,
      TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256, SSL_kECDHE, SSL_aRSA, SSL_AES128,
      SSL_SHA256, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256, 128, 128,
+     SSL_HANDSHAKE_MAC_SHA256, 128, 128,
     },
 
     /* Cipher C028 */
@@ -393,7 +393,7 @@
      TLS1_TXT_ECDHE_RSA_WITH_AES_256_SHA384,
      TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384, SSL_kECDHE, SSL_aRSA, SSL_AES256,
      SSL_SHA384, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384, 256, 256,
+     SSL_HANDSHAKE_MAC_SHA384, 256, 256,
     },
 
 
@@ -404,7 +404,7 @@
      TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
      TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, SSL_kECDHE, SSL_aECDSA,
      SSL_AES128GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256 |
+     SSL_HANDSHAKE_MAC_SHA256 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      128, 128,
     },
@@ -414,7 +414,7 @@
      TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
      TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, SSL_kECDHE, SSL_aECDSA,
      SSL_AES256GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384 |
+     SSL_HANDSHAKE_MAC_SHA384 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      256, 256,
     },
@@ -424,7 +424,7 @@
      TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
      TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256, SSL_kECDHE, SSL_aRSA,
      SSL_AES128GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256 |
+     SSL_HANDSHAKE_MAC_SHA256 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      128, 128,
     },
@@ -434,7 +434,7 @@
      TLS1_TXT_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
      TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384, SSL_kECDHE, SSL_aRSA,
      SSL_AES256GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH | SSL_FIPS,
-     SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384 |
+     SSL_HANDSHAKE_MAC_SHA384 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      256, 256,
     },
@@ -447,7 +447,7 @@
      TLS1_TXT_ECDHE_PSK_WITH_AES_128_GCM_SHA256,
      TLS1_CK_ECDHE_PSK_WITH_AES_128_GCM_SHA256, SSL_kECDHE, SSL_aPSK,
      SSL_AES128GCM, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256 |
+     SSL_HANDSHAKE_MAC_SHA256 |
          SSL_CIPHER_ALGORITHM2_VARIABLE_NONCE_INCLUDED_IN_RECORD,
      128, 128,
     },
@@ -456,7 +456,7 @@
      TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305,
      TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, SSL_kECDHE, SSL_aRSA,
      SSL_CHACHA20POLY1305, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
+     SSL_HANDSHAKE_MAC_SHA256,
      256, 0,
     },
 
@@ -464,7 +464,7 @@
      TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
      TLS1_CK_ECDHE_ECDSA_CHACHA20_POLY1305, SSL_kECDHE, SSL_aECDSA,
      SSL_CHACHA20POLY1305, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
+     SSL_HANDSHAKE_MAC_SHA256,
      256, 0,
     },
 
@@ -472,7 +472,7 @@
      TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305,
      TLS1_CK_DHE_RSA_CHACHA20_POLY1305, SSL_kDHE, SSL_aRSA,
      SSL_CHACHA20POLY1305, SSL_AEAD, SSL_TLSV1_2, SSL_HIGH,
-     SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
+     SSL_HANDSHAKE_MAC_SHA256,
      256, 0,
     },
 };
@@ -1111,11 +1111,11 @@
 /* If we are using default SHA1+MD5 algorithms switch to new SHA256 PRF and
  * handshake macs if required. */
 uint32_t ssl_get_algorithm2(SSL *s) {
-  static const uint32_t kMask = SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF;
+  static const uint32_t kMask = SSL_HANDSHAKE_MAC_DEFAULT;
   uint32_t alg2 = s->s3->tmp.new_cipher->algorithm2;
   if (s->enc_method->enc_flags & SSL_ENC_FLAG_SHA256_PRF &&
       (alg2 & kMask) == kMask) {
-    return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256;
+    return SSL_HANDSHAKE_MAC_SHA256;
   }
   return alg2;
 }