/*
* Copyright 2012-2014 Brian Campbell
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jose4j.jwe;
import org.jose4j.base64url.Base64Url;
import org.jose4j.jwk.PublicJsonWebKey;
import org.jose4j.jwk.RsaJsonWebKey;
import org.jose4j.jwk.Use;
import org.jose4j.jwx.CompactSerializer;
import org.jose4j.jwx.Headers;
import org.jose4j.keys.AesKey;
import org.jose4j.keys.PbkdfKey;
import org.jose4j.lang.ByteUtil;
import org.jose4j.lang.JoseException;
import org.jose4j.lang.StringUtil;
import org.junit.Test;
import java.security.Key;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertThat;
/**
* from http://tools.ietf.org/html/draft-ietf-jose-json-web-key-22#appendix-C
* & http://www.ietf.org/mail-archive/web/jose/current/msg03979.html (the authentication tag was wrong in the example)
*/
public class Pbes2ExampleEncryptedRSAPrivateKeyJwkAppendixCTest
{
static final String PASSWORD = "Thus from my lips, by yours, my sin is purged.";
static final String CS = "eyJhbGciOiJQQkVTMi1IUzI1NitBMTI4S1ciLCJwMnMiOiIyV0NUY0paMVJ2ZF9DSn" +
"VKcmlwUTF3IiwicDJjIjo0MDk2LCJlbmMiOiJBMTI4Q0JDLUhTMjU2IiwiY3R5Ijoi" +
"andrK2pzb24ifQ." +
"TrqXOwuNUfDV9VPTNbyGvEJ9JMjefAVn-TR1uIxR9p6hsRQh9Tk7BA." +
"Ye9j1qs22DmRSAddIh-VnA." +
"AwhB8lxrlKjFn02LGWEqg27H4Tg9fyZAbFv3p5ZicHpj64QyHC44qqlZ3JEmnZTgQo" +
"wIqZJ13jbyHB8LgePiqUJ1hf6M2HPLgzw8L-mEeQ0jvDUTrE07NtOerBk8bwBQyZ6g" +
"0kQ3DEOIglfYxV8-FJvNBYwbqN1Bck6d_i7OtjSHV-8DIrp-3JcRIe05YKy3Oi34Z_" +
"GOiAc1EK21B11c_AE11PII_wvvtRiUiG8YofQXakWd1_O98Kap-UgmyWPfreUJ3lJP" +
"nbD4Ve95owEfMGLOPflo2MnjaTDCwQokoJ_xplQ2vNPz8iguLcHBoKllyQFJL2mOWB" +
"wqhBo9Oj-O800as5mmLsvQMTflIrIEbbTMzHMBZ8EFW9fWwwFu0DWQJGkMNhmBZQ-3" +
"lvqTc-M6-gWA6D8PDhONfP2Oib2HGizwG1iEaX8GRyUpfLuljCLIe1DkGOewhKuKkZ" +
"h04DKNM5Nbugf2atmU9OP0Ldx5peCUtRG1gMVl7Qup5ZXHTjgPDr5b2N731UooCGAU" +
"qHdgGhg0JVJ_ObCTdjsH4CF1SJsdUhrXvYx3HJh2Xd7CwJRzU_3Y1GxYU6-s3GFPbi" +
"rfqqEipJDBTHpcoCmyrwYjYHFgnlqBZRotRrS95g8F95bRXqsaDY7UgQGwBQBwy665" +
"d0zpvTasvfXf_c0MWAl-neFaKOW_Px6g4EUDjG1GWSXV9cLStLw_0ovdApDIFLHYHe" +
"PyagyHjouQUuGiq7BsYwYrwaF06tgB8hV8omLNfMEmDPJaZUzMuHw6tBDwGkzD-tS_" +
"ub9hxrpJ4UsOWnt5rGUyoN2N_c1-TQlXxm5oto14MxnoAyBQBpwIEgSH3Y4ZhwKBhH" +
"PjSo0cdwuNdYbGPpb-YUvF-2NZzODiQ1OvWQBRHSbPWYz_xbGkgD504LRtqRwCO7CC" +
"_CyyURi1sEssPVsMJRX_U4LFEOc82TiDdqjKOjRUfKK5rqLi8nBE9soQ0DSaOoFQZi" +
"GrBrqxDsNYiAYAmxxkos-i3nX4qtByVx85sCE5U_0MqG7COxZWMOPEFrDaepUV-cOy" +
"rvoUIng8i8ljKBKxETY2BgPegKBYCxsAUcAkKamSCC9AiBxA0UOHyhTqtlvMksO7AE" +
"hNC2-YzPyx1FkhMoS4LLe6E_pFsMlmjA6P1NSge9C5G5tETYXGAn6b1xZbHtmwrPSc" +
"ro9LWhVmAaA7_bxYObnFUxgWtK4vzzQBjZJ36UTk4OTB-JvKWgfVWCFsaw5WCHj6Oo" +
"4jpO7d2yN7WMfAj2hTEabz9wumQ0TMhBduZ-QON3pYObSy7TSC1vVme0NJrwF_cJRe" +
"hKTFmdlXGVldPxZCplr7ZQqRQhF8JP-l4mEQVnCaWGn9ONHlemczGOS-A-wwtnmwjI" +
"B1V_vgJRf4FdpV-4hUk4-QLpu3-1lWFxrtZKcggq3tWTduRo5_QebQbUUT_VSCgsFc" +
"OmyWKoj56lbxthN19hq1XGWbLGfrrR6MWh23vk01zn8FVwi7uFwEnRYSafsnWLa1Z5" +
"TpBj9GvAdl2H9NHwzpB5NqHpZNkQ3NMDj13Fn8fzO0JB83Etbm_tnFQfcb13X3bJ15" +
"Cz-Ww1MGhvIpGGnMBT_ADp9xSIyAM9dQ1yeVXk-AIgWBUlN5uyWSGyCxp0cJwx7HxM" +
"38z0UIeBu-MytL-eqndM7LxytsVzCbjOTSVRmhYEMIzUAnS1gs7uMQAGRdgRIElTJE" +
"SGMjb_4bZq9s6Ve1LKkSi0_QDsrABaLe55UY0zF4ZSfOV5PMyPtocwV_dcNPlxLgNA" +
"D1BFX_Z9kAdMZQW6fAmsfFle0zAoMe4l9pMESH0JB4sJGdCKtQXj1cXNydDYozF7l8" +
"H00BV_Er7zd6VtIw0MxwkFCTatsv_R-GsBCH218RgVPsfYhwVuT8R4HarpzsDBufC4" +
"r8_c8fc9Z278sQ081jFjOja6L2x0N_ImzFNXU6xwO-Ska-QeuvYZ3X_L31ZOX4Llp-" +
"7QSfgDoHnOxFv1Xws-D5mDHD3zxOup2b2TppdKTZb9eW2vxUVviM8OI9atBfPKMGAO" +
"v9omA-6vv5IxUH0-lWMiHLQ_g8vnswp-Jav0c4t6URVUzujNOoNd_CBGGVnHiJTCHl" +
"88LQxsqLHHIu4Fz-U2SGnlxGTj0-ihit2ELGRv4vO8E1BosTmf0cx3qgG0Pq0eOLBD" +
"IHsrdZ_CCAiTc0HVkMbyq1M6qEhM-q5P6y1QCIrwg." +
"0HFmhOzsQ98nNWJjIHkR7A";
@Test
public void decryptExample() throws JoseException
{
PbkdfKey key = new PbkdfKey(PASSWORD);
JsonWebEncryption jwe = new JsonWebEncryption();
jwe.setCompactSerialization(CS);
jwe.setKey(key);
String payload = jwe.getPayload();
PublicJsonWebKey jwk = PublicJsonWebKey.Factory.newPublicJwk(payload);
assertThat("juliet@capulet.lit", is(equalTo(jwk.getKeyId())));
assertThat(RsaJsonWebKey.KEY_TYPE, is(equalTo(jwk.getKeyType())));
assertThat(Use.ENCRYPTION, is(equalTo(jwk.getUse())));
}
@Test
public void encryptExample() throws Exception
{
// The octets representing the Plaintext are:
int[] plainTextOctetsAsInts = new int[] {123, 34, 107, 116, 121, 34, 58, 34, 82, 83, 65, 34, 44, 34, 107,
105, 100, 34, 58, 34, 106, 117, 108, 105, 101, 116, 64, 99, 97, 112,
117, 108, 101, 116, 46, 108, 105, 116, 34, 44, 34, 117, 115, 101, 34,
58, 34, 101, 110, 99, 34, 44, 34, 110, 34, 58, 34, 116, 54, 81, 56,
80, 87, 83, 105, 49, 100, 107, 74, 106, 57, 104, 84, 80, 56, 104, 78,
89, 70, 108, 118, 97, 100, 77, 55, 68, 102, 108, 87, 57, 109, 87,
101, 112, 79, 74, 104, 74, 54, 54, 119, 55, 110, 121, 111, 75, 49,
103, 80, 78, 113, 70, 77, 83, 81, 82, 121, 79, 49, 50, 53, 71, 112,
45, 84, 69, 107, 111, 100, 104, 87, 114, 48, 105, 117, 106, 106, 72,
86, 120, 55, 66, 99, 86, 48, 108, 108, 83, 52, 119, 53, 65, 67, 71,
103, 80, 114, 99, 65, 100, 54, 90, 99, 83, 82, 48, 45, 73, 113, 111,
109, 45, 81, 70, 99, 78, 80, 56, 83, 106, 103, 48, 56, 54, 77, 119,
111, 113, 81, 85, 95, 76, 89, 121, 119, 108, 65, 71, 90, 50, 49, 87,
83, 100, 83, 95, 80, 69, 82, 121, 71, 70, 105, 78, 110, 106, 51, 81,
81, 108, 79, 56, 89, 110, 115, 53, 106, 67, 116, 76, 67, 82, 119, 76,
72, 76, 48, 80, 98, 49, 102, 69, 118, 52, 53, 65, 117, 82, 73, 117,
85, 102, 86, 99, 80, 121, 83, 66, 87, 89, 110, 68, 121, 71, 120, 118,
106, 89, 71, 68, 83, 77, 45, 65, 113, 87, 83, 57, 122, 73, 81, 50,
90, 105, 108, 103, 84, 45, 71, 113, 85, 109, 105, 112, 103, 48, 88,
79, 67, 48, 67, 99, 50, 48, 114, 103, 76, 101, 50, 121, 109, 76, 72,
106, 112, 72, 99, 105, 67, 75, 86, 65, 98, 89, 53, 45, 76, 51, 50,
45, 108, 83, 101, 90, 79, 45, 79, 115, 54, 85, 49, 53, 95, 97, 88,
114, 107, 57, 71, 119, 56, 99, 80, 85, 97, 88, 49, 95, 73, 56, 115,
76, 71, 117, 83, 105, 86, 100, 116, 51, 67, 95, 70, 110, 50, 80, 90,
51, 90, 56, 105, 55, 52, 52, 70, 80, 70, 71, 71, 99, 71, 49, 113,
115, 50, 87, 122, 45, 81, 34, 44, 34, 101, 34, 58, 34, 65, 81, 65,
66, 34, 44, 34, 100, 34, 58, 34, 71, 82, 116, 98, 73, 81, 109, 104,
79, 90, 116, 121, 115, 122, 102, 103, 75, 100, 103, 52, 117, 95, 78,
45, 82, 95, 109, 90, 71, 85, 95, 57, 107, 55, 74, 81, 95, 106, 110,
49, 68, 110, 102, 84, 117, 77, 100, 83, 78, 112, 114, 84, 101, 97,
83, 84, 121, 87, 102, 83, 78, 107, 117, 97, 65, 119, 110, 79, 69, 98,
73, 81, 86, 121, 49, 73, 81, 98, 87, 86, 86, 50, 53, 78, 89, 51, 121,
98, 99, 95, 73, 104, 85, 74, 116, 102, 114, 105, 55, 98, 65, 88, 89,
69, 82, 101, 87, 97, 67, 108, 51, 104, 100, 108, 80, 75, 88, 121, 57,
85, 118, 113, 80, 89, 71, 82, 48, 107, 73, 88, 84, 81, 82, 113, 110,
115, 45, 100, 86, 74, 55, 106, 97, 104, 108, 73, 55, 76, 121, 99,
107, 114, 112, 84, 109, 114, 77, 56, 100, 87, 66, 111, 52, 95, 80,
77, 97, 101, 110, 78, 110, 80, 105, 81, 103, 79, 48, 120, 110, 117,
84, 111, 120, 117, 116, 82, 90, 74, 102, 74, 118, 71, 52, 79, 120,
52, 107, 97, 51, 71, 79, 82, 81, 100, 57, 67, 115, 67, 90, 50, 118,
115, 85, 68, 109, 115, 88, 79, 102, 85, 69, 78, 79, 121, 77, 113, 65,
68, 67, 54, 112, 49, 77, 51, 104, 51, 51, 116, 115, 117, 114, 89, 49,
53, 107, 57, 113, 77, 83, 112, 71, 57, 79, 88, 95, 73, 74, 65, 88,
109, 120, 122, 65, 104, 95, 116, 87, 105, 90, 79, 119, 107, 50, 75,
52, 121, 120, 72, 57, 116, 83, 51, 76, 113, 49, 121, 88, 56, 67, 49,
69, 87, 109, 101, 82, 68, 107, 75, 50, 97, 104, 101, 99, 71, 56, 53,
45, 111, 76, 75, 81, 116, 53, 86, 69, 112, 87, 72, 75, 109, 106, 79,
105, 95, 103, 74, 83, 100, 83, 103, 113, 99, 78, 57, 54, 88, 53, 50,
101, 115, 65, 81, 34, 44, 34, 112, 34, 58, 34, 50, 114, 110, 83, 79,
86, 52, 104, 75, 83, 78, 56, 115, 83, 52, 67, 103, 99, 81, 72, 70,
98, 115, 48, 56, 88, 98, 111, 70, 68, 113, 75, 117, 109, 51, 115, 99,
52, 104, 51, 71, 82, 120, 114, 84, 109, 81, 100, 108, 49, 90, 75, 57,
117, 119, 45, 80, 73, 72, 102, 81, 80, 48, 70, 107, 120, 88, 86, 114,
120, 45, 87, 69, 45, 90, 69, 98, 114, 113, 105, 118, 72, 95, 50, 105,
67, 76, 85, 83, 55, 119, 65, 108, 54, 88, 118, 65, 82, 116, 49, 75,
107, 73, 97, 85, 120, 80, 80, 83, 89, 66, 57, 121, 107, 51, 49, 115,
48, 81, 56, 85, 75, 57, 54, 69, 51, 95, 79, 114, 65, 68, 65, 89, 116,
65, 74, 115, 45, 77, 51, 74, 120, 67, 76, 102, 78, 103, 113, 104, 53,
54, 72, 68, 110, 69, 84, 84, 81, 104, 72, 51, 114, 67, 84, 53, 84,
51, 121, 74, 119, 115, 34, 44, 34, 113, 34, 58, 34, 49, 117, 95, 82,
105, 70, 68, 80, 55, 76, 66, 89, 104, 51, 78, 52, 71, 88, 76, 84, 57,
79, 112, 83, 75, 89, 80, 48, 117, 81, 90, 121, 105, 97, 90, 119, 66,
116, 79, 67, 66, 78, 74, 103, 81, 120, 97, 106, 49, 48, 82, 87, 106,
115, 90, 117, 48, 99, 54, 73, 101, 100, 105, 115, 52, 83, 55, 66, 95,
99, 111, 83, 75, 66, 48, 75, 106, 57, 80, 97, 80, 97, 66, 122, 103,
45, 73, 121, 83, 82, 118, 118, 99, 81, 117, 80, 97, 109, 81, 117, 54,
54, 114, 105, 77, 104, 106, 86, 116, 71, 54, 84, 108, 86, 56, 67, 76,
67, 89, 75, 114, 89, 108, 53, 50, 122, 105, 113, 75, 48, 69, 95, 121,
109, 50, 81, 110, 107, 119, 115, 85, 88, 55, 101, 89, 84, 66, 55, 76,
98, 65, 72, 82, 75, 57, 71, 113, 111, 99, 68, 69, 53, 66, 48, 102,
56, 48, 56, 73, 52, 115, 34, 44, 34, 100, 112, 34, 58, 34, 75, 107,
77, 84, 87, 113, 66, 85, 101, 102, 86, 119, 90, 50, 95, 68, 98, 106,
49, 112, 80, 81, 113, 121, 72, 83, 72, 106, 106, 57, 48, 76, 53, 120,
95, 77, 79, 122, 113, 89, 65, 74, 77, 99, 76, 77, 90, 116, 98, 85,
116, 119, 75, 113, 118, 86, 68, 113, 51, 116, 98, 69, 111, 51, 90,
73, 99, 111, 104, 98, 68, 116, 116, 54, 83, 98, 102, 109, 87, 122,
103, 103, 97, 98, 112, 81, 120, 78, 120, 117, 66, 112, 111, 79, 79,
102, 95, 97, 95, 72, 103, 77, 88, 75, 95, 108, 104, 113, 105, 103,
73, 52, 121, 95, 107, 113, 83, 49, 119, 89, 53, 50, 73, 119, 106, 85,
110, 53, 114, 103, 82, 114, 74, 45, 121, 89, 111, 49, 104, 52, 49,
75, 82, 45, 118, 122, 50, 112, 89, 104, 69, 65, 101, 89, 114, 104,
116, 116, 87, 116, 120, 86, 113, 76, 67, 82, 86, 105, 68, 54, 99, 34,
44, 34, 100, 113, 34, 58, 34, 65, 118, 102, 83, 48, 45, 103, 82, 120,
118, 110, 48, 98, 119, 74, 111, 77, 83, 110, 70, 120, 89, 99, 75, 49,
87, 110, 117, 69, 106, 81, 70, 108, 117, 77, 71, 102, 119, 71, 105,
116, 81, 66, 87, 116, 102, 90, 49, 69, 114, 55, 116, 49, 120, 68,
107, 98, 78, 57, 71, 81, 84, 66, 57, 121, 113, 112, 68, 111, 89, 97,
78, 48, 54, 72, 55, 67, 70, 116, 114, 107, 120, 104, 74, 73, 66, 81,
97, 106, 54, 110, 107, 70, 53, 75, 75, 83, 51, 84, 81, 116, 81, 53,
113, 67, 122, 107, 79, 107, 109, 120, 73, 101, 51, 75, 82, 98, 66,
121, 109, 88, 120, 107, 98, 53, 113, 119, 85, 112, 88, 53, 69, 76,
68, 53, 120, 70, 99, 54, 70, 101, 105, 97, 102, 87, 89, 89, 54, 51,
84, 109, 109, 69, 65, 117, 95, 108, 82, 70, 67, 79, 74, 51, 120, 68,
101, 97, 45, 111, 116, 115, 34, 44, 34, 113, 105, 34, 58, 34, 108,
83, 81, 105, 45, 119, 57, 67, 112, 121, 85, 82, 101, 77, 69, 114, 80,
49, 82, 115, 66, 76, 107, 55, 119, 78, 116, 79, 118, 115, 53, 69, 81,
112, 80, 113, 109, 117, 77, 118, 113, 87, 53, 55, 78, 66, 85, 99,
122, 83, 99, 69, 111, 80, 119, 109, 85, 113, 113, 97, 98, 117, 57,
86, 48, 45, 80, 121, 52, 100, 81, 53, 55, 95, 98, 97, 112, 111, 75,
82, 117, 49, 82, 57, 48, 98, 118, 117, 70, 110, 85, 54, 51, 83, 72,
87, 69, 70, 103, 108, 90, 81, 118, 74, 68, 77, 101, 65, 118, 109,
106, 52, 115, 109, 45, 70, 112, 48, 111, 89, 117, 95, 110, 101, 111,
116, 103, 81, 48, 104, 122, 98, 73, 53, 103, 114, 121, 55, 97, 106,
100, 89, 121, 57, 45, 50, 108, 78, 120, 95, 55, 54, 97, 66, 90, 111,
79, 85, 117, 57, 72, 67, 74, 45, 85, 115, 102, 83, 79, 73, 56, 34,
125};
byte[] plainTextOctetsAsBytes = ByteUtil.convertUnsignedToSignedTwosComp(plainTextOctetsAsInts);
String encodedHeader = "eyJhbGciOiJQQkVTMi1IUzI1NitBMTI4S1ciLCJwMnMiOiIyV0NUY0paMVJ2ZF9DSn" +
"VKcmlwUTF3IiwicDJjIjo0MDk2LCJlbmMiOiJBMTI4Q0JDLUhTMjU2IiwiY3R5Ijoi" +
"andrK2pzb24ifQ";
Base64Url base64url = new Base64Url();
Headers headers = new Headers();
headers.setFullHeaderAsJsonString(base64url.base64UrlDecodeToUtf8String(encodedHeader));
PbkdfKey pbkdfKey = new PbkdfKey(PASSWORD);
Pbes2HmacShaWithAesKeyWrapAlgorithm pbesAlg = new Pbes2HmacShaWithAesKeyWrapAlgorithm.HmacSha256Aes128();
Key derivedKey = pbesAlg.deriveForEncrypt(pbkdfKey, headers);
byte[] expectedDerived = ByteUtil.convertUnsignedToSignedTwosComp(new int[]{110, 171, 169, 92, 129, 92, 109, 117,
233, 242, 116, 233, 170, 14, 24, 75});
assertArrayEquals(expectedDerived, derivedKey.getEncoded());
// Generate a 256 bit random Content Encryption Key (CEK). In this example, the value is:
byte[] exampleCek = ByteUtil.convertUnsignedToSignedTwosComp(new int[]{111, 27, 25, 52, 66, 29, 20, 78, 92, 176, 56, 240, 65, 208, 82,
112, 161, 131, 36, 55, 202, 236, 185, 172, 129, 23, 153, 194, 195,
48, 253, 182});
WrappingKeyManagementAlgorithm keyWrap = new AesKeyWrapManagementAlgorithm.Aes128();
ContentEncryptionKeyDescriptor cekDesc = new ContentEncryptionKeyDescriptor(exampleCek.length, AesKey.ALGORITHM);
ContentEncryptionKeys contentEncryptionKeys = keyWrap.manageForEnc(derivedKey, cekDesc, exampleCek);
byte[] contentEncryptionKey = contentEncryptionKeys.getContentEncryptionKey();
assertArrayEquals(exampleCek, contentEncryptionKey);
byte[] expectedEncryptedKey = ByteUtil.convertUnsignedToSignedTwosComp(new int[]{78, 186, 151, 59, 11, 141, 81, 240, 213, 245, 83, 211, 53, 188,
134, 188, 66, 125, 36, 200, 222, 124, 5, 103, 249, 52, 117, 184, 140,
81, 246, 158, 161, 177, 20, 33, 245, 57, 59, 4});
byte[] encryptedKey = contentEncryptionKeys.getEncryptedKey();
String encodedEncryptedKey = base64url.base64UrlEncode(encryptedKey);
assertArrayEquals(expectedEncryptedKey, encryptedKey);
String encodedIv = "Ye9j1qs22DmRSAddIh-VnA";
byte[] iv = base64url.base64UrlDecode(encodedIv);
AesCbcHmacSha2ContentEncryptionAlgorithm aes128CbcHmacSha256 = new AesCbcHmacSha2ContentEncryptionAlgorithm.Aes128CbcHmacSha256();
byte[] aad = StringUtil.getBytesAscii(encodedHeader);
ContentEncryptionParts contentEncryptionParts = aes128CbcHmacSha256.encrypt(plainTextOctetsAsBytes, aad, contentEncryptionKey, iv);
byte[] authenticationTag = contentEncryptionParts.getAuthenticationTag();
String encodedTag = base64url.base64UrlEncode(authenticationTag);
byte[] ciphertext = contentEncryptionParts.getCiphertext();
String encodedCiphertext = base64url.base64UrlEncode(ciphertext);
String cs = CompactSerializer.serialize(encodedHeader, encodedEncryptedKey, encodedIv, encodedCiphertext, encodedTag);
assertThat(CS, is(equalTo(cs)));
}
}