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authorIan Lance Taylor <iant@google.com>2016-02-03 21:58:02 +0000
committerIan Lance Taylor <ian@gcc.gnu.org>2016-02-03 21:58:02 +0000
commitf98dd1a338867a408f7c72d73fbad7fe7fc93e3a (patch)
tree2f8da9862a9c1fe0df138917f997b03439c02773 /libgo/go/crypto/tls/prf.go
parentb081ed4efc144da0c45a6484aebfd10e0eb9fda3 (diff)
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libgo: Update to go1.6rc1.
Reviewed-on: https://go-review.googlesource.com/19200 From-SVN: r233110
Diffstat (limited to 'libgo/go/crypto/tls/prf.go')
-rw-r--r--libgo/go/crypto/tls/prf.go17
1 files changed, 9 insertions, 8 deletions
diff --git a/libgo/go/crypto/tls/prf.go b/libgo/go/crypto/tls/prf.go
index 6127c1cc..747b817 100644
--- a/libgo/go/crypto/tls/prf.go
+++ b/libgo/go/crypto/tls/prf.go
@@ -145,11 +145,12 @@ func prfForVersion(version uint16, suite *cipherSuite) func(result, secret, labe
// masterFromPreMasterSecret generates the master secret from the pre-master
// secret. See http://tools.ietf.org/html/rfc5246#section-8.1
func masterFromPreMasterSecret(version uint16, suite *cipherSuite, preMasterSecret, clientRandom, serverRandom []byte) []byte {
- var seed [tlsRandomLength * 2]byte
- copy(seed[0:len(clientRandom)], clientRandom)
- copy(seed[len(clientRandom):], serverRandom)
+ seed := make([]byte, 0, len(clientRandom)+len(serverRandom))
+ seed = append(seed, clientRandom...)
+ seed = append(seed, serverRandom...)
+
masterSecret := make([]byte, masterSecretLength)
- prfForVersion(version, suite)(masterSecret, preMasterSecret, masterSecretLabel, seed[0:])
+ prfForVersion(version, suite)(masterSecret, preMasterSecret, masterSecretLabel, seed)
return masterSecret
}
@@ -157,13 +158,13 @@ func masterFromPreMasterSecret(version uint16, suite *cipherSuite, preMasterSecr
// secret, given the lengths of the MAC key, cipher key and IV, as defined in
// RFC 2246, section 6.3.
func keysFromMasterSecret(version uint16, suite *cipherSuite, masterSecret, clientRandom, serverRandom []byte, macLen, keyLen, ivLen int) (clientMAC, serverMAC, clientKey, serverKey, clientIV, serverIV []byte) {
- var seed [tlsRandomLength * 2]byte
- copy(seed[0:len(clientRandom)], serverRandom)
- copy(seed[len(serverRandom):], clientRandom)
+ seed := make([]byte, 0, len(serverRandom)+len(clientRandom))
+ seed = append(seed, serverRandom...)
+ seed = append(seed, clientRandom...)
n := 2*macLen + 2*keyLen + 2*ivLen
keyMaterial := make([]byte, n)
- prfForVersion(version, suite)(keyMaterial, masterSecret, keyExpansionLabel, seed[0:])
+ prfForVersion(version, suite)(keyMaterial, masterSecret, keyExpansionLabel, seed)
clientMAC = keyMaterial[:macLen]
keyMaterial = keyMaterial[macLen:]
serverMAC = keyMaterial[:macLen]