1 files changed, 220 insertions, 0 deletions
diff --git a/libgo/go/crypto/rsa/pkcs1v15_test.go b/libgo/go/crypto/rsa/pkcs1v15_test.go
new file mode 100644
index 000000000..bf6306dc2
--- /dev/null
+++ b/libgo/go/crypto/rsa/pkcs1v15_test.go
@@ -0,0 +1,220 @@
+// 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"
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/hex"
+	"io"
+	"testing"
+	"testing/quick"
+)
+
+func decodeBase64(in string) []byte {
+	out := make([]byte, base64.StdEncoding.DecodedLen(len(in)))
+	n, err := base64.StdEncoding.Decode(out, []byte(in))
+	if err != nil {
+		return nil
+	}
+	return out[0:n]
+}
+
+type DecryptPKCS1v15Test struct {
+	in, out string
+}
+
+// These test vectors were generated with `openssl rsautl -pkcs -encrypt`
+var decryptPKCS1v15Tests = []DecryptPKCS1v15Test{
+	{
+		"gIcUIoVkD6ATMBk/u/nlCZCCWRKdkfjCgFdo35VpRXLduiKXhNz1XupLLzTXAybEq15juc+EgY5o0DHv/nt3yg==",
+		"x",
+	},
+	{
+		"Y7TOCSqofGhkRb+jaVRLzK8xw2cSo1IVES19utzv6hwvx+M8kFsoWQm5DzBeJCZTCVDPkTpavUuEbgp8hnUGDw==",
+		"testing.",
+	},
+	{
+		"arReP9DJtEVyV2Dg3dDp4c/PSk1O6lxkoJ8HcFupoRorBZG+7+1fDAwT1olNddFnQMjmkb8vxwmNMoTAT/BFjQ==",
+		"testing.\n",
+	},
+	{
+		"WtaBXIoGC54+vH0NH0CHHE+dRDOsMc/6BrfFu2lEqcKL9+uDuWaf+Xj9mrbQCjjZcpQuX733zyok/jsnqe/Ftw==",
+		"01234567890123456789012345678901234567890123456789012",
+	},
+}
+
+func TestDecryptPKCS1v15(t *testing.T) {
+	for i, test := range decryptPKCS1v15Tests {
+		out, err := DecryptPKCS1v15(nil, rsaPrivateKey, decodeBase64(test.in))
+		if err != nil {
+			t.Errorf("#%d error decrypting", i)
+		}
+		want := []byte(test.out)
+		if bytes.Compare(out, want) != 0 {
+			t.Errorf("#%d got:%#v want:%#v", i, out, want)
+		}
+	}
+}
+
+func TestEncryptPKCS1v15(t *testing.T) {
+	random := rand.Reader
+	k := (rsaPrivateKey.N.BitLen() + 7) / 8
+
+	tryEncryptDecrypt := func(in []byte, blind bool) bool {
+		if len(in) > k-11 {
+			in = in[0 : k-11]
+		}
+
+		ciphertext, err := EncryptPKCS1v15(random, &rsaPrivateKey.PublicKey, in)
+		if err != nil {
+			t.Errorf("error encrypting: %s", err)
+			return false
+		}
+
+		var rand io.Reader
+		if !blind {
+			rand = nil
+		} else {
+			rand = random
+		}
+		plaintext, err := DecryptPKCS1v15(rand, rsaPrivateKey, ciphertext)
+		if err != nil {
+			t.Errorf("error decrypting: %s", err)
+			return false
+		}
+
+		if bytes.Compare(plaintext, in) != 0 {
+			t.Errorf("output mismatch: %#v %#v", plaintext, in)
+			return false
+		}
+		return true
+	}
+
+	quick.Check(tryEncryptDecrypt, nil)
+}
+
+// These test vectors were generated with `openssl rsautl -pkcs -encrypt`
+var decryptPKCS1v15SessionKeyTests = []DecryptPKCS1v15Test{
+	{
+		"e6ukkae6Gykq0fKzYwULpZehX+UPXYzMoB5mHQUDEiclRbOTqas4Y0E6nwns1BBpdvEJcilhl5zsox/6DtGsYg==",
+		"1234",
+	},
+	{
+		"Dtis4uk/q/LQGGqGk97P59K03hkCIVFMEFZRgVWOAAhxgYpCRG0MX2adptt92l67IqMki6iVQyyt0TtX3IdtEw==",
+		"FAIL",
+	},
+	{
+		"LIyFyCYCptPxrvTxpol8F3M7ZivlMsf53zs0vHRAv+rDIh2YsHS69ePMoPMe3TkOMZ3NupiL3takPxIs1sK+dw==",
+		"abcd",
+	},
+	{
+		"bafnobel46bKy76JzqU/RIVOH0uAYvzUtauKmIidKgM0sMlvobYVAVQPeUQ/oTGjbIZ1v/6Gyi5AO4DtHruGdw==",
+		"FAIL",
+	},
+}
+
+func TestEncryptPKCS1v15SessionKey(t *testing.T) {
+	for i, test := range decryptPKCS1v15SessionKeyTests {
+		key := []byte("FAIL")
+		err := DecryptPKCS1v15SessionKey(nil, rsaPrivateKey, decodeBase64(test.in), key)
+		if err != nil {
+			t.Errorf("#%d error decrypting", i)
+		}
+		want := []byte(test.out)
+		if bytes.Compare(key, want) != 0 {
+			t.Errorf("#%d got:%#v want:%#v", i, key, want)
+		}
+	}
+}
+
+func TestNonZeroRandomBytes(t *testing.T) {
+	random := rand.Reader
+
+	b := make([]byte, 512)
+	err := nonZeroRandomBytes(b, random)
+	if err != nil {
+		t.Errorf("returned error: %s", err)
+	}
+	for _, b := range b {
+		if b == 0 {
+			t.Errorf("Zero octet found")
+			return
+		}
+	}
+}
+
+type signPKCS1v15Test struct {
+	in, out string
+}
+
+// These vectors have been tested with
+//   `openssl rsautl -verify -inkey pk -in signature | hexdump -C`
+var signPKCS1v15Tests = []signPKCS1v15Test{
+	{"Test.\n", "a4f3fa6ea93bcdd0c57be020c1193ecbfd6f200a3d95c409769b029578fa0e336ad9a347600e40d3ae823b8c7e6bad88cc07c1d54c3a1523cbbb6d58efc362ae"},
+}
+
+func TestSignPKCS1v15(t *testing.T) {
+	for i, test := range signPKCS1v15Tests {
+		h := sha1.New()
+		h.Write([]byte(test.in))
+		digest := h.Sum()
+
+		s, err := SignPKCS1v15(nil, rsaPrivateKey, HashSHA1, digest)
+		if err != nil {
+			t.Errorf("#%d %s", i, err)
+		}
+
+		expected, _ := hex.DecodeString(test.out)
+		if bytes.Compare(s, expected) != 0 {
+			t.Errorf("#%d got: %x want: %x", i, s, expected)
+		}
+	}
+}
+
+func TestVerifyPKCS1v15(t *testing.T) {
+	for i, test := range signPKCS1v15Tests {
+		h := sha1.New()
+		h.Write([]byte(test.in))
+		digest := h.Sum()
+
+		sig, _ := hex.DecodeString(test.out)
+
+		err := VerifyPKCS1v15(&rsaPrivateKey.PublicKey, HashSHA1, digest, sig)
+		if err != nil {
+			t.Errorf("#%d %s", i, err)
+		}
+	}
+}
+
+func bigFromString(s string) *big.Int {
+	ret := new(big.Int)
+	ret.SetString(s, 10)
+	return ret
+}
+
+// In order to generate new test vectors you'll need the PEM form of this key:
+// -----BEGIN RSA PRIVATE KEY-----
+// MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0
+// fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu
+// /ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu
+// RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/
+// EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A
+// IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS
+// tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
+// -----END RSA PRIVATE KEY-----
+
+var rsaPrivateKey = &PrivateKey{
+	PublicKey: PublicKey{
+		N: bigFromString("9353930466774385905609975137998169297361893554149986716853295022578535724979677252958524466350471210367835187480748268864277464700638583474144061408845077"),
+		E: 65537,
+	},
+	D: bigFromString("7266398431328116344057699379749222532279343923819063639497049039389899328538543087657733766554155839834519529439851673014800261285757759040931985506583861"),
+	P: bigFromString("98920366548084643601728869055592650835572950932266967461790948584315647051443"),
+	Q: bigFromString("94560208308847015747498523884063394671606671904944666360068158221458669711639"),
+}