code review 5373055: exp/ssh: add client side support for publickey auth

src/pkg/exp/ssh/server.go

 // Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 package ssh
 
 import (
         "bytes"
         "crypto"
         "crypto/rand"
@@ skipping 203 matching lines @@
         switch hostKeyAlgo {
         case hostAlgoRSA:
                 sig, err = rsa.SignPKCS1v15(s.config.rand(), s.config.rsa, hashFunc, hh)
                 if err != nil {
                         return
                 }
         default:
                 return nil, nil, errors.New("internal error")
         }
 
-        serializedSig := serializeRSASignature(sig)
+        serializedSig := serializeSignature(hostAlgoRSA, sig)
 
         kexDHReply := kexDHReplyMsg{
                 HostKey:   serializedHostKey,
                 Y:         Y,
                 Signature: serializedSig,
         }
         packet = marshal(msgKexDHReply, kexDHReply)
 
         err = s.writePacket(packet)
         return
@@ skipping 427 matching lines @@
 func Listen(network, addr string, config *ServerConfig) (*Listener, error) {
         l, err := net.Listen(network, addr)
         if err != nil {
                 return nil, err
         }
         return &Listener{
                 l,
                 config,
         }, nil
 }