code review 4175059: crypto/rsa: left-pad OAEP results when needed.

src/pkg/crypto/rsa/rsa_test.go

 // Copyright 2009 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 rsa
 
 import (
         "big"
         "bytes"
         "crypto/rand"
@@ skipping 48 matching lines @@
                 n.SetString(test.modulus, 16)
                 public := PublicKey{n, test.e}
 
                 for j, message := range test.msgs {
                         randomSource := bytes.NewBuffer(message.seed)
                         out, err := EncryptOAEP(sha1, randomSource, &public, message.in, nil)
                         if err != nil {
                                 t.Errorf("#%d,%d error: %s", i, j, err)
                         }
                         if bytes.Compare(out, message.out) != 0 {
-                                t.Errorf("#%d,%d bad result: %s (want %s)", i, j, out, message.out)
+                                t.Errorf("#%d,%d bad result: %x (want %x)", i, j, out, message.out)
                         }
                 }
         }
 }
 
 func TestDecryptOAEP(t *testing.T) {
         random := rand.Reader
 
         sha1 := sha1.New()
         n := new(big.Int)
@@ skipping 161 matching lines @@
                                         0x5e, 0x7f, 0x16, 0x64, 0x61, 0x82, 0xfd, 0xb4, 0x64,
                                         0x73, 0x9b, 0x68, 0xab, 0x5d, 0xaf, 0xf0, 0xe6, 0x3e,
                                         0x95, 0x52, 0x01, 0x68, 0x24, 0xf0, 0x54, 0xbf, 0x4d,
                                         0x3c, 0x8c, 0x90, 0xa9, 0x7b, 0xb6, 0xb6, 0x55, 0x32,
                                         0x84, 0xeb, 0x42, 0x9f, 0xcc,
                                 },
                         },
                 },
         },
 }