1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
20 func decodeBase64(in
string) []byte {
21 out
:= make([]byte, base64
.StdEncoding
.DecodedLen(len(in
)))
22 n
, err
:= base64
.StdEncoding
.Decode(out
, []byte(in
))
29 type DecryptPKCS1v15Test
struct {
33 // These test vectors were generated with `openssl rsautl -pkcs -encrypt`
34 var decryptPKCS1v15Tests
= []DecryptPKCS1v15Test
{
36 "gIcUIoVkD6ATMBk/u/nlCZCCWRKdkfjCgFdo35VpRXLduiKXhNz1XupLLzTXAybEq15juc+EgY5o0DHv/nt3yg==",
40 "Y7TOCSqofGhkRb+jaVRLzK8xw2cSo1IVES19utzv6hwvx+M8kFsoWQm5DzBeJCZTCVDPkTpavUuEbgp8hnUGDw==",
44 "arReP9DJtEVyV2Dg3dDp4c/PSk1O6lxkoJ8HcFupoRorBZG+7+1fDAwT1olNddFnQMjmkb8vxwmNMoTAT/BFjQ==",
48 "WtaBXIoGC54+vH0NH0CHHE+dRDOsMc/6BrfFu2lEqcKL9+uDuWaf+Xj9mrbQCjjZcpQuX733zyok/jsnqe/Ftw==",
49 "01234567890123456789012345678901234567890123456789012",
53 func TestDecryptPKCS1v15(t
*testing
.T
) {
54 for i
, test
:= range decryptPKCS1v15Tests
{
55 out
, err
:= DecryptPKCS1v15(nil, rsaPrivateKey
, decodeBase64(test
.in
))
57 t
.Errorf("#%d error decrypting", i
)
59 want
:= []byte(test
.out
)
60 if !bytes
.Equal(out
, want
) {
61 t
.Errorf("#%d got:%#v want:%#v", i
, out
, want
)
66 func TestEncryptPKCS1v15(t
*testing
.T
) {
68 k
:= (rsaPrivateKey
.N
.BitLen() + 7) / 8
70 tryEncryptDecrypt
:= func(in
[]byte, blind
bool) bool {
75 ciphertext
, err
:= EncryptPKCS1v15(random
, &rsaPrivateKey
.PublicKey
, in
)
77 t
.Errorf("error encrypting: %s", err
)
87 plaintext
, err
:= DecryptPKCS1v15(rand
, rsaPrivateKey
, ciphertext
)
89 t
.Errorf("error decrypting: %s", err
)
93 if !bytes
.Equal(plaintext
, in
) {
94 t
.Errorf("output mismatch: %#v %#v", plaintext
, in
)
100 config
:= new(quick
.Config
)
104 quick
.Check(tryEncryptDecrypt
, config
)
107 // These test vectors were generated with `openssl rsautl -pkcs -encrypt`
108 var decryptPKCS1v15SessionKeyTests
= []DecryptPKCS1v15Test
{
110 "e6ukkae6Gykq0fKzYwULpZehX+UPXYzMoB5mHQUDEiclRbOTqas4Y0E6nwns1BBpdvEJcilhl5zsox/6DtGsYg==",
114 "Dtis4uk/q/LQGGqGk97P59K03hkCIVFMEFZRgVWOAAhxgYpCRG0MX2adptt92l67IqMki6iVQyyt0TtX3IdtEw==",
118 "LIyFyCYCptPxrvTxpol8F3M7ZivlMsf53zs0vHRAv+rDIh2YsHS69ePMoPMe3TkOMZ3NupiL3takPxIs1sK+dw==",
122 "bafnobel46bKy76JzqU/RIVOH0uAYvzUtauKmIidKgM0sMlvobYVAVQPeUQ/oTGjbIZ1v/6Gyi5AO4DtHruGdw==",
127 func TestEncryptPKCS1v15SessionKey(t
*testing
.T
) {
128 for i
, test
:= range decryptPKCS1v15SessionKeyTests
{
129 key
:= []byte("FAIL")
130 err
:= DecryptPKCS1v15SessionKey(nil, rsaPrivateKey
, decodeBase64(test
.in
), key
)
132 t
.Errorf("#%d error decrypting", i
)
134 want
:= []byte(test
.out
)
135 if !bytes
.Equal(key
, want
) {
136 t
.Errorf("#%d got:%#v want:%#v", i
, key
, want
)
141 func TestNonZeroRandomBytes(t
*testing
.T
) {
142 random
:= rand
.Reader
144 b
:= make([]byte, 512)
145 err
:= nonZeroRandomBytes(b
, random
)
147 t
.Errorf("returned error: %s", err
)
149 for _
, b
:= range b
{
151 t
.Errorf("Zero octet found")
157 type signPKCS1v15Test
struct {
161 // These vectors have been tested with
162 // `openssl rsautl -verify -inkey pk -in signature | hexdump -C`
163 var signPKCS1v15Tests
= []signPKCS1v15Test
{
164 {"Test.\n", "a4f3fa6ea93bcdd0c57be020c1193ecbfd6f200a3d95c409769b029578fa0e336ad9a347600e40d3ae823b8c7e6bad88cc07c1d54c3a1523cbbb6d58efc362ae"},
167 func TestSignPKCS1v15(t
*testing
.T
) {
168 for i
, test
:= range signPKCS1v15Tests
{
170 h
.Write([]byte(test
.in
))
173 s
, err
:= SignPKCS1v15(nil, rsaPrivateKey
, crypto
.SHA1
, digest
)
175 t
.Errorf("#%d %s", i
, err
)
178 expected
, _
:= hex
.DecodeString(test
.out
)
179 if !bytes
.Equal(s
, expected
) {
180 t
.Errorf("#%d got: %x want: %x", i
, s
, expected
)
185 func TestVerifyPKCS1v15(t
*testing
.T
) {
186 for i
, test
:= range signPKCS1v15Tests
{
188 h
.Write([]byte(test
.in
))
191 sig
, _
:= hex
.DecodeString(test
.out
)
193 err
:= VerifyPKCS1v15(&rsaPrivateKey
.PublicKey
, crypto
.SHA1
, digest
, sig
)
195 t
.Errorf("#%d %s", i
, err
)
200 func TestOverlongMessagePKCS1v15(t
*testing
.T
) {
201 ciphertext
:= decodeBase64("fjOVdirUzFoLlukv80dBllMLjXythIf22feqPrNo0YoIjzyzyoMFiLjAc/Y4krkeZ11XFThIrEvw\nkRiZcCq5ng==")
202 _
, err
:= DecryptPKCS1v15(nil, rsaPrivateKey
, ciphertext
)
204 t
.Error("RSA decrypted a message that was too long.")
208 func TestUnpaddedSignature(t
*testing
.T
) {
209 msg
:= []byte("Thu Dec 19 18:06:16 EST 2013\n")
210 // This base64 value was generated with:
211 // % echo Thu Dec 19 18:06:16 EST 2013 > /tmp/msg
212 // % openssl rsautl -sign -inkey key -out /tmp/sig -in /tmp/msg
214 // Where "key" contains the RSA private key given at the bottom of this
216 expectedSig
:= decodeBase64("pX4DR8azytjdQ1rtUiC040FjkepuQut5q2ZFX1pTjBrOVKNjgsCDyiJDGZTCNoh9qpXYbhl7iEym30BWWwuiZg==")
218 sig
, err
:= SignPKCS1v15(nil, rsaPrivateKey
, crypto
.Hash(0), msg
)
220 t
.Fatalf("SignPKCS1v15 failed: %s", err
)
222 if !bytes
.Equal(sig
, expectedSig
) {
223 t
.Fatalf("signature is not expected value: got %x, want %x", sig
, expectedSig
)
225 if err
:= VerifyPKCS1v15(&rsaPrivateKey
.PublicKey
, crypto
.Hash(0), msg
, sig
); err
!= nil {
226 t
.Fatalf("signature failed to verify: %s", err
)
230 // In order to generate new test vectors you'll need the PEM form of this key:
231 // -----BEGIN RSA PRIVATE KEY-----
232 // MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0
233 // fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu
234 // /ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu
235 // RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/
236 // EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A
237 // IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS
238 // tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
239 // -----END RSA PRIVATE KEY-----
241 var rsaPrivateKey
= &PrivateKey
{
242 PublicKey
: PublicKey
{
243 N
: fromBase10("9353930466774385905609975137998169297361893554149986716853295022578535724979677252958524466350471210367835187480748268864277464700638583474144061408845077"),
246 D
: fromBase10("7266398431328116344057699379749222532279343923819063639497049039389899328538543087657733766554155839834519529439851673014800261285757759040931985506583861"),
248 fromBase10("98920366548084643601728869055592650835572950932266967461790948584315647051443"),
249 fromBase10("94560208308847015747498523884063394671606671904944666360068158221458669711639"),