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34 import java.util.*;
35
36 import javax.crypto.*;
37 import javax.crypto.spec.*;
38
39 public class CounterMode {
40
41 private final static byte[] toByteArray(String s) {
42 char[] c = s.toCharArray();
43 byte[] t = new byte[c.length / 2];
44 int n = 0;
45 int d1 = -1;
46 int d2 = -1;
47 for (int i = 0; i < c.length; i++) {
48 char ch = c[i];
49 if (d1 == -1) {
50 d1 = Character.digit(ch, 16);
51 } else {
52 d2 = Character.digit(ch, 16);
53 if (d2 != -1) {
54 t[n++] = (byte)((d1 << 4) | d2);
55 d1 = -1;
56 d2 = -1;
57 }
58 }
59 }
60 if (d1 != -1) {
61 throw new RuntimeException();
62 }
63 if (n == t.length) {
64 return t;
65 }
66 byte[] b = new byte[n];
67 System.arraycopy(t, 0, b, 0, n);
68 return b;
69 }
70
71 private final static String[] ALGORITHM = {
72 "AES",
73 "AES",
74 "AES",
75 "AES",
76 "AES",
77 "DES",
78 "DES",
79 "DESede",
80 "DESede",
81 "Blowfish",
82 "Blowfish",
83 };
84
85 private final static byte[][] KEYS = {
86 toByteArray("2b7e151628aed2a6abf7158809cf4f3c"),
87 toByteArray("8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b"),
88 toByteArray("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4"),
89 toByteArray("2b7e151628aed2a6abf7158809cf4f3c"),
90 toByteArray("2b7e151628aed2a6abf7158809cf4f3c"),
91 toByteArray("2b7e151628aed2a6"),
92 toByteArray("874d6191b620e326"),
93 toByteArray("8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b"),
94 toByteArray("874d6191b620e3261bef6864990db6ce9806f66b7970fdff"),
95 toByteArray("2b7e151628aed2a6abf7158809cf4f3c"),
96 toByteArray("874d6191b620e3261bef6864990db6ce"),
97 };
98
99 private final static byte[][] IVS = {
100 toByteArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"),
101 toByteArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"),
102 toByteArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"),
103 toByteArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"),
104 toByteArray("f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"),
105 toByteArray("fffffffffffffffd"),
106 toByteArray("f0f1f2f3f4f5f6f7"),
107 toByteArray("f0f1f2f3f4f5f6f7"),
108 toByteArray("f0f1f2f3f4f5f6ff"),
109 toByteArray("f0f1f2f3f4f5f6f7"),
110 toByteArray("f0f1f2f3f4f5f6ff"),
111 };
112
113 private final static byte[][] PLAIN = {
114 toByteArray("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"),
115 toByteArray("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"),
116 toByteArray("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"),
117 toByteArray("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c37"),
118 toByteArray(""),
119 toByteArray("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"),
120 toByteArray("6bc1bee22e409f96"),
121 toByteArray("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"),
122 toByteArray("6bc1bee22e409f96e9"),
123 toByteArray("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710"),
124 toByteArray("6bc1bee22e409f"),
125 };
126
127 private final static byte[][] CIPHER = {
128 toByteArray("874d6191b620e3261bef6864990db6ce9806f66b7970fdff8617187bb9fffdff5ae4df3edbd5d35e5b4f09020db03eab1e031dda2fbe03d1792170a0f3009cee"),
129 toByteArray("1abc932417521ca24f2b0459fe7e6e0b090339ec0aa6faefd5ccc2c6f4ce8e941e36b26bd1ebc670d1bd1d665620abf74f78a7f6d29809585a97daec58c6b050"),
130 toByteArray("601ec313775789a5b7a7f504bbf3d228f443e3ca4d62b59aca84e990cacaf5c52b0930daa23de94ce87017ba2d84988ddfc9c58db67aada613c2dd08457941a6"),
131 toByteArray("874d6191b620e3261bef6864990db6ce9806f66b7970fdff8617187bb9fffdff5ae4df3edbd5d35e5b4f09020db03eab1e031dda2fbe03d1792170a0f3009c"),
132 toByteArray(""),
133 toByteArray("79:62:2c:42:59:8e:9a:1a:e3:da:3d:7c:88:4f:0a:d2:eb:1a:e2:27:b0:d7:16:f6:6d:8d:50:fe:8b:9f:87:a7:ba:83:65:48:5b:87:12:07:d0:3f:3d:f0:b2:c8:98:e9:bb:a0:ad:35:98:e8:4f:d8:ef:91:85:2c:55:c0:b0:b9"),
134 toByteArray("79:5e:90:a6:35:9d:1e:b2"),
135 toByteArray("0a:ce:b5:1e:20:74:2e:29:17:28:55:d6:c9:28:62:c3:43:a5:da:30:90:9f:8f:46:60:3d:b6:5c:b6:bc:21:52:06:2f:6f:b4:14:0d:ef:23:e2:99:fd:4b:dc:65:ee:6a:50:76:5b:86:43:65:56:ee:1a:7a:25:07:43:b4:f0:88"),
136 toByteArray("12:06:8f:ae:bb:47:a7:68:8b"),
137 toByteArray("ac:92:83:dd:79:f3:c2:36:0c:da:06:bd:ed:69:ca:47:42:2e:68:11:5e:6b:63:56:3e:87:b0:be:98:17:42:7d:8b:4a:5b:be:af:0c:2b:f0:1c:1c:62:60:b9:2c:69:04:ca:c9:23:d2:08:9d:8d:57:7f:61:f7:e6:79:83:ae:89"),
138 toByteArray("65:ff:ee:6b:64:9e:a0"),
139 };
140
141 private static String toString(byte[] b) {
142 StringBuffer sb = new StringBuffer(b.length * 3);
143 for (int i = 0; i < b.length; i++) {
144 int k = b[i] & 0xff;
145 if (i != 0) {
146 sb.append(':');
147 }
148 sb.append(Character.forDigit(k >> 4, 16));
149 sb.append(Character.forDigit(k & 0xf, 16));
150 }
151 return sb.toString();
152 }
153
154 public static void main(String[] args) throws Exception {
155 for (int i = 0; i < KEYS.length; i++) {
156 try {
157 String alg = ALGORITHM[i];
158 int MAX_KEYSIZE = Cipher.getMaxAllowedKeyLength(alg);
159 if (KEYS[i].length*8 > MAX_KEYSIZE) {
160
161
162 continue;
163 }
164 System.out.println("Running test " + i + " (" + alg + ")");
165 Cipher cipher = Cipher.getInstance(alg + "/CTR/NoPadding", "SunJCE");
166 SecretKeySpec key = new SecretKeySpec(KEYS[i], alg);
167 IvParameterSpec iv = new IvParameterSpec(IVS[i]);
168 byte[] plainText = PLAIN[i];
169 byte[] cipherText = CIPHER[i];
170 cipher.init(Cipher.ENCRYPT_MODE, key, iv);
171 byte[] enc = cipher.doFinal(plainText);
172 if (Arrays.equals(cipherText, enc) == false) {
173 System.out.println("plain: " + toString(PLAIN[i]));
174 System.out.println("cipher: " + toString(CIPHER[i]));
175 System.out.println("actual: " + toString(enc));
176 throw new RuntimeException("Encryption failure for test " + i);
177 }
178 cipher.init(Cipher.DECRYPT_MODE, key, iv);
179 byte[] dec = cipher.doFinal(cipherText);
180 if (Arrays.equals(plainText, dec) == false) {
181 throw new RuntimeException("Decryption failure for test " + i);
182 }
183 } catch (SecurityException ex) {
184 TestUtil.handleSE(ex);
185 }
186 }
187 System.out.println("Done");
188 }
189 }