Go tls is missing 3 ciphers that it could trivially support.

gistfile1.txt

diff --git a/src/tls/cipher_suites.go b/src/cipher_suites.go
index 9eb699f1c..99c169a7a 100644
--- a/src/tls/cipher_suites.go
+++ b/src/tls/cipher_suites.go
@@ -13,6 +13,7 @@ import (
        "crypto/rc4"
        "crypto/sha1"
        "crypto/sha256"
+       "crypto/sha512"
        "crypto/x509"
        "hash"
        "internal/x/crypto/chacha20poly1305"
@@ -85,7 +86,9 @@ var cipherSuites = []*cipherSuite{
        {TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, 32, 0, 4, ecdheECDSAKA, suiteECDHE | suiteECDSA | suiteTLS12 | suiteSHA384, nil, nil, aeadAESGCM},
        {TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, 16, 32, 16, ecdheRSAKA, suiteECDHE | suiteTLS12 | suiteDefaultOff, cipherAES, macSHA256, nil},
        {TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, 16, 20, 16, ecdheRSAKA, suiteECDHE, cipherAES, macSHA1, nil},
+       {TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, 32, 48, 16, ecdheRSAKA, suiteECDHE | suiteTLS12 | suiteSHA384, cipherAES, macSHA384, nil},
        {TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, 16, 32, 16, ecdheECDSAKA, suiteECDHE | suiteECDSA | suiteTLS12 | suiteDefaultOff, cipherAES, macSHA256, nil},
+       {TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, 32, 48, 16, ecdheECDSAKA, suiteECDHE | suiteECDSA | suiteTLS12 | suiteSHA384, cipherAES, macSHA256, nil},
        {TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, 16, 20, 16, ecdheECDSAKA, suiteECDHE | suiteECDSA, cipherAES, macSHA1, nil},
        {TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, 32, 20, 16, ecdheRSAKA, suiteECDHE, cipherAES, macSHA1, nil},
        {TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, 32, 20, 16, ecdheECDSAKA, suiteECDHE | suiteECDSA, cipherAES, macSHA1, nil},
@@ -94,6 +97,7 @@ var cipherSuites = []*cipherSuite{
        {TLS_RSA_WITH_AES_128_CBC_SHA256, 16, 32, 16, rsaKA, suiteTLS12 | suiteDefaultOff, cipherAES, macSHA256, nil},
        {TLS_RSA_WITH_AES_128_CBC_SHA, 16, 20, 16, rsaKA, 0, cipherAES, macSHA1, nil},
        {TLS_RSA_WITH_AES_256_CBC_SHA, 32, 20, 16, rsaKA, 0, cipherAES, macSHA1, nil},
+       {TLS_RSA_WITH_AES_256_CBC_SHA256, 32, 32, 16, rsaKA, suiteTLS12 | suiteDefaultOff, cipherAES, macSHA256, nil},
        {TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, 24, 20, 8, ecdheRSAKA, suiteECDHE, cipher3DES, macSHA1, nil},
        {TLS_RSA_WITH_3DES_EDE_CBC_SHA, 24, 20, 8, rsaKA, 0, cipher3DES, macSHA1, nil},

@@ -152,6 +156,19 @@ func macSHA1(version uint16, key []byte) macFunction {
        return tls10MAC{h: hmac.New(newConstantTimeHash(sha1.New), key)}
 }

+// macSHA384 returns a macFunction for the given protocol version.
+func macSHA384(version uint16, key []byte) macFunction {
+       if version == VersionSSL30 {
+               mac := ssl30MAC{
+                       h:   sha512.New384(),
+                       key: make([]byte, len(key)),
+               }
+               copy(mac.key, key)
+               return mac
+       }
+       return tls10MAC{h: hmac.New(sha512.New384, key)}
+}
+
 // macSHA256 returns a SHA-256 based MAC. These are only supported in TLS 1.2
 // so the given version is ignored.
 func macSHA256(version uint16, key []byte) macFunction {
@@ -443,6 +460,7 @@ const (
        TLS_RSA_WITH_AES_128_CBC_SHA            uint16 = 0x002f
        TLS_RSA_WITH_AES_256_CBC_SHA            uint16 = 0x0035
        TLS_RSA_WITH_AES_128_CBC_SHA256         uint16 = 0x003c
+       TLS_RSA_WITH_AES_256_CBC_SHA256         uint16 = 0x003d
        TLS_RSA_WITH_AES_128_GCM_SHA256         uint16 = 0x009c
        TLS_RSA_WITH_AES_256_GCM_SHA384         uint16 = 0x009d
        TLS_ECDHE_ECDSA_WITH_RC4_128_SHA        uint16 = 0xc007
        @@ -453,7 +471,9 @@ const (
        TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA      uint16 = 0xc013
        TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA      uint16 = 0xc014
        TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 uint16 = 0xc023
+       TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 uint16 = 0xc024
        TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   uint16 = 0xc027
+       TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   uint16 = 0xc028
        TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256   uint16 = 0xc02f
        TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 uint16 = 0xc02b
        TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384   uint16 = 0xc030
diff --git a/src/tls/decrypt.go b/src/tls/decrypt.go
index 0cc354a61..e9569a81c 100644
--- a/src/tls/decrypt.go
+++ b/src/tls/decrypt.go
@@ -178,6 +178,7 @@ var csByName = map[string]uint16{
        "TLS_RSA_WITH_3DES_EDE_CBC_SHA":           0x000a,
        "TLS_RSA_WITH_AES_128_CBC_SHA":            0x002f,
        "TLS_RSA_WITH_AES_256_CBC_SHA":            0x0035,
+       "TLS_RSA_WITH_AES_256_CBC_SHA256":         0x003d,
        "TLS_RSA_WITH_AES_128_GCM_SHA256":         0x009c,
        "TLS_RSA_WITH_AES_256_GCM_SHA384":         0x009d,
        "TLS_AES_128_GCM_SHA256":                  0x1301,
@@ -191,7 +192,9 @@ var csByName = map[string]uint16{
        "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA":      0xc013,
        "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA":      0xc014,
        "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256": 0xc023,
+       "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384": 0xc024,
        "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256":   0xc027,
+       "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384":   0xc028,
        "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256": 0xc02b,
        "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384": 0xc02c,
        "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256":   0xc02f,