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1
7 package org.jboss.security.plugins;
8
9 import javax.crypto.Cipher;
10 import javax.crypto.SecretKey;
11 import javax.crypto.SecretKeyFactory;
12 import javax.crypto.spec.PBEKeySpec;
13 import javax.crypto.spec.PBEParameterSpec;
14
15 import org.jboss.security.Base64Utils;
16
17
29 public class PBEUtils
30 {
31 public static byte[] encode(byte[] secret, String  cipherAlgorithm,
32 SecretKey cipherKey, PBEParameterSpec cipherSpec)
33 throws Exception
34 {
35 Cipher cipher = Cipher.getInstance(cipherAlgorithm);
36 cipher.init(Cipher.ENCRYPT_MODE, cipherKey, cipherSpec);
37 byte[] encoding = cipher.doFinal(secret);
38 return encoding;
39 }
40
41 public static String encode64(byte[] secret, String cipherAlgorithm,
42 SecretKey cipherKey, PBEParameterSpec cipherSpec)
43 throws Exception
44 {
45 byte[] encoding = encode(secret, cipherAlgorithm, cipherKey, cipherSpec);
46 String b64 = Base64Utils.tob64(encoding);
47 return b64;
48 }
49
50 public static byte[] decode(byte[] secret, String cipherAlgorithm,
51 SecretKey cipherKey, PBEParameterSpec cipherSpec)
52 throws Exception
53 {
54 Cipher cipher = Cipher.getInstance(cipherAlgorithm);
55 cipher.init(Cipher.DECRYPT_MODE, cipherKey, cipherSpec);
56 byte[] decode = cipher.doFinal(secret);
57 return decode;
58 }
59
60 public static String decode64(String secret, String cipherAlgorithm,
61 SecretKey cipherKey, PBEParameterSpec cipherSpec)
62 throws Exception
63 {
64 byte[] encoding = Base64Utils.fromb64(secret);
65 byte[] decode = decode(encoding, cipherAlgorithm, cipherKey, cipherSpec);
66 return new String (decode, "UTF-8");
67 }
68
69 public static void main(String [] args) throws Exception
70 {
71 if( args.length != 4 )
72 {
73 System.err.println(
74 "Ecrypt a password using the JaasSecurityDomain password"
75 +"Usage: PBEUtils salt count domain-password password"
76 +"salt : the Salt attribute from the JaasSecurityDomain"
77 +"count : the IterationCount attribute from the JaasSecurityDomain"
78 +"domain-password : the plaintext password that maps to the KeyStorePass"
79 +" attribute from the JaasSecurityDomain"
80 +"password : the plaintext password that should be encrypted with the"
81 +" JaasSecurityDomain password"
82 );
83 }
84
85 byte[] salt = args[0].substring(0, 8).getBytes();
86 int count = Integer.parseInt(args[1]);
87 char[] password = args[2].toCharArray();
88 byte[] passwordToEncode = args[3].getBytes("UTF-8");
89 PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
90 PBEKeySpec keySpec = new PBEKeySpec(password);
91 SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
92 SecretKey cipherKey = factory.generateSecret(keySpec);
93 String encodedPassword = encode64(passwordToEncode, "PBEwithMD5andDES",
94 cipherKey, cipherSpec);
95 System.err.println("Encoded password: "+encodedPassword);
96 }
97 }
98 |
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