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Posted to commits@directory.apache.org by dr...@apache.org on 2015/01/12 14:06:56 UTC

[48/50] [abbrv] directory-kerberos git commit: Working on string2key tests and re-implemented des keymaker

Working on string2key tests and re-implemented des keymaker


Project: http://git-wip-us.apache.org/repos/asf/directory-kerberos/repo
Commit: http://git-wip-us.apache.org/repos/asf/directory-kerberos/commit/58e9006f
Tree: http://git-wip-us.apache.org/repos/asf/directory-kerberos/tree/58e9006f
Diff: http://git-wip-us.apache.org/repos/asf/directory-kerberos/diff/58e9006f

Branch: refs/heads/master
Commit: 58e9006fe3fc7ec18b94fbd33ee6a909e48d5e15
Parents: 164087d
Author: Drankye <dr...@gmail.com>
Authored: Thu Jan 1 19:59:44 2015 +0800
Committer: Drankye <dr...@gmail.com>
Committed: Thu Jan 1 19:59:44 2015 +0800

----------------------------------------------------------------------
 .../kerberos/kerb/crypto/key/DesKeyMaker.java   | 185 ++++++-
 .../kerberos/kerb/crypto/String2keyTest.java    | 482 ++++++++++++++-----
 2 files changed, 535 insertions(+), 132 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/58e9006f/haox-kerb/kerb-crypto/src/main/java/org/apache/kerberos/kerb/crypto/key/DesKeyMaker.java
----------------------------------------------------------------------
diff --git a/haox-kerb/kerb-crypto/src/main/java/org/apache/kerberos/kerb/crypto/key/DesKeyMaker.java b/haox-kerb/kerb-crypto/src/main/java/org/apache/kerberos/kerb/crypto/key/DesKeyMaker.java
index b15aea3..4a8dc56 100644
--- a/haox-kerb/kerb-crypto/src/main/java/org/apache/kerberos/kerb/crypto/key/DesKeyMaker.java
+++ b/haox-kerb/kerb-crypto/src/main/java/org/apache/kerberos/kerb/crypto/key/DesKeyMaker.java
@@ -1,7 +1,9 @@
 package org.apache.kerberos.kerb.crypto.key;
 
 import org.apache.kerberos.kerb.KrbException;
+import org.apache.kerberos.kerb.crypto.BytesUtil;
 import org.apache.kerberos.kerb.crypto.Des;
+import org.apache.kerberos.kerb.crypto.Util;
 import org.apache.kerberos.kerb.crypto.enc.EncryptProvider;
 
 public class DesKeyMaker extends AbstractKeyMaker {
@@ -33,12 +35,63 @@ public class DesKeyMaker extends AbstractKeyMaker {
         }
 
         char[] passwdSalt = makePasswdSalt(string, salt);
-        byte[] key = passwd2key(passwdSalt);
+        byte[] key = toKey(passwdSalt);
         return key;
     }
 
-    private byte[] passwd2key(char[] passwdSalt) throws KrbException {
-        throw new KrbException("Implementation not complete yet");
+    /**
+     mit_des_string_to_key(string,salt) {
+       odd = 1;
+       s = string | salt;
+       tempstring = 0; // 56-bit string
+       pad(s); // with nulls to 8 byte boundary
+       for (8byteblock in s) {
+         56bitstring = removeMSBits(8byteblock);
+         if (odd == 0) reverse(56bitstring);
+         odd = ! odd;
+         tempstring = tempstring XOR 56bitstring;
+       }
+       tempkey = key_correction(add_parity_bits(tempstring));
+       key = key_correction(DES-CBC-check(s,tempkey));
+       return(key);
+     }
+     */
+    private byte[] toKey(char[] passwdChars) throws KrbException {
+        int keySize = encProvider().keySize();
+
+        byte[] bytes = (new String(passwdChars)).getBytes();
+
+        // padded with zero-valued octets to a multiple of eight octets.
+        byte[] paddedBytes = BytesUtil.padding(bytes, keySize);
+
+        int blocksOfbytes8 = paddedBytes.length / keySize;
+        boolean odd = true;
+        byte[] bits56 = new byte[8];
+        byte[] tempString = new byte[8];
+        for (int i = 0; i < blocksOfbytes8; ++i) {
+            System.arraycopy(paddedBytes, 8 * i, bits56, 0, 8);
+            removeMSBits(bits56);
+            if (odd) {
+                reverse(bits56);
+            }
+            odd = ! odd;
+            Util.xor(bits56, 0, tempString);
+        }
+
+        byte[] keyBytes = addParityBits(tempString);
+        keyCorrection(keyBytes);
+
+        byte[] resultKey = null;
+        if (encProvider().supportCbcMac()) {
+            resultKey = encProvider().cbcMac(keyBytes, keyBytes, paddedBytes);
+        } else {
+            throw new KrbException("cbcMac should be supported by the provider: "
+                    + encProvider().getClass());
+        }
+
+        keyCorrection(resultKey);
+
+        return resultKey;
     }
 
     /**
@@ -78,4 +131,130 @@ public class DesKeyMaker extends AbstractKeyMaker {
         return key;
     }
 
+    // Processing an 8bytesblock
+    private static byte[] removeMSBits(byte[] bits56) {
+        /**
+         Treats a 64 bit block as 8 octets and removes the MSB in
+         each octet (in big endian mode) and concatenates the result.
+         E.g., the input octet string:
+         01110000 01100001 11110011  01110011 11110111 01101111 11110010 01100100
+         =>
+         1110000 1100001 1110011  1110011 1110111 1101111 1110010 1100100
+         */
+
+        /**
+         * We probably do nothing here, just pretending the MSB bit to be discarded,
+         * and ensure the MSB will not be used in the following processing.
+         */
+
+        return bits56;
+    }
+
+    // Processing an 56bitblock
+    private static void reverse(byte[] bits56) {
+        /**
+         Treats a 56-bit block as a binary string and reverses it.
+         E.g., the input string:
+         1000001 1010100 1001000 1000101 1001110 1000001 0101110 1001101
+         =>
+         1000001 0010101 0001001 1010001 0111001 1000001 0101110 1011001
+         =>
+         1011001 0111010 1000001  0111001 1010001 0001001 0010101 1000001
+         */
+
+        // Reversing in a 7bit
+        int t1, t2;
+        byte bt;
+        for (int i = 0; i < 8; ++i) {
+            bt = bits56[i];
+
+            t1 = (bt >> 6) & 1;
+            t2 = (bt >> 0) & 1;
+            if (t1 != t2) bt ^= (1 << 6 | 1 << 0);
+
+            t1 = (bt >> 5) & 1;
+            t2 = (bt >> 1) & 1;
+            if (t1 != t2) bt ^= (1 << 5 | 1 << 1);
+
+            t1 = (bt >> 4) & 1;
+            t2 = (bt >> 2) & 1;
+            if (t1 != t2) bt ^= (1 << 4 | 1 << 2);
+
+            bits56[i] = bt;
+        }
+
+        // Reversing the 8 7bit
+        bt = bits56[7];
+        bits56[7] = bits56[0];
+        bits56[0] = bt;
+
+        bt = bits56[6];
+        bits56[6] = bits56[1];
+        bits56[1] = bt;
+
+        bt = bits56[5];
+        bits56[5] = bits56[2];
+        bits56[2] = bt;
+
+        bt = bits56[4];
+        bits56[4] = bits56[3];
+        bits56[3] = bt;
+    }
+
+    private static byte[] addParityBits(byte[] bits56) {
+        /**
+         Copies a 56-bit block into a 64-bit block, left shifts
+         content in each octet, and add DES parity bit.
+         E.g., the input string:
+         1100000 0001111 0011100  0110100 1000101 1100100 0110110 0010111
+         =>
+         11000001 00011111 00111000  01101000 10001010 11001000 01101101 00101111
+         */
+        byte bt;
+        for (int i = 0; i < 8; i++) {
+            bits56[i] <<= 1;
+        }
+        addParity(bits56);
+
+        return bits56;
+    }
+
+    private static void keyCorrection(byte[] key) {
+        addParity(key);
+        if (Des.isWeakKey(key, 0, key.length)) {
+            Des.fixKey(key, 0, key.length);
+        }
+    }
+
+    private static int smask(int step) {
+        return (1 << step) - 1;
+    }
+
+    private static byte pstep(byte x, int step) {
+        return (byte) ((x & smask(step)) ^ ((x >> step) & smask(step)));
+    }
+
+    private static byte parityChar(byte abyte) {
+        //#define smask(step) ((1<<step)-1)
+        //#define pstep(x,step) (((x)&smask(step))^(((x)>>step)&smask(step)))
+        //#define parity_char(x) pstep(pstep(pstep((x),4),2),1)
+        return pstep(pstep(pstep(abyte, 4), 2), 1);
+    }
+
+    private static void addParity(byte[] key) {
+        for (int i = 0; i < key.length; ++i) {
+            key[i] &= 0xfe;
+            key[i] |= 1 ^ parityChar(key[i]);
+        }
+    }
+
+    // Returns true if the key has correct des parity
+    private static boolean checkKeyParity(byte[] key) {
+        for (int i = 0; i < key.length; ++i) {
+            if ((key[i] & 1) == parityChar((byte) (key[i] & 0xfe))) {
+                return false;
+            }
+        }
+        return true;
+    }
 }

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/58e9006f/haox-kerb/kerb-crypto/src/test/java/org/apache/kerberos/kerb/crypto/String2keyTest.java
----------------------------------------------------------------------
diff --git a/haox-kerb/kerb-crypto/src/test/java/org/apache/kerberos/kerb/crypto/String2keyTest.java b/haox-kerb/kerb-crypto/src/test/java/org/apache/kerberos/kerb/crypto/String2keyTest.java
index f6d5655..a18763e 100644
--- a/haox-kerb/kerb-crypto/src/test/java/org/apache/kerberos/kerb/crypto/String2keyTest.java
+++ b/haox-kerb/kerb-crypto/src/test/java/org/apache/kerberos/kerb/crypto/String2keyTest.java
@@ -1,10 +1,6 @@
 package org.apache.kerberos.kerb.crypto;
 
-import org.apache.kerberos.kerb.crypto.enc.provider.*;
-import org.apache.kerberos.kerb.crypto.key.AesKeyMaker;
-import org.apache.kerberos.kerb.crypto.key.CamelliaKeyMaker;
-import org.apache.kerberos.kerb.crypto.key.Des3KeyMaker;
-import org.apache.kerberos.kerb.crypto.key.DkKeyMaker;
+import org.apache.kerberos.kerb.spec.common.EncryptionKey;
 import org.apache.kerberos.kerb.spec.common.EncryptionType;
 import org.junit.Assert;
 import org.junit.Test;
@@ -12,171 +8,402 @@ import org.junit.Test;
 import java.util.Arrays;
 
 /**
- * Key derivation test with known values.
+ * Based on MIT krb5 t_str2key.c
+ *
+ * String 2 key test with known values.
  */
 public class String2keyTest {
 
     static class TestCase {
         EncryptionType encType;
-        String inkey;
-        String constant;
+        String string;
+        String salt;
+        String param;
         String answer;
+        boolean allowWeak;
 
-        TestCase(EncryptionType encType, String inkey,
-                 String constant, String answer) {
+        TestCase(EncryptionType encType, String string, String salt, String param,
+                 String answer, boolean allowWeak) {
             this.encType = encType;
-            this.inkey = inkey;
-            this.constant = constant;
+            this.string = string;
+            this.salt = salt;
+            this.param = param;
             this.answer = answer;
+            this.allowWeak = allowWeak;
         }
     }
 
     static TestCase[] testCases = new TestCase[] {
-    /* Kc, Ke, Kei for a DES3 key */
+            // Test vectors from RFC 3961 appendix A.2.
+            new TestCase(
+                    EncryptionType.DES_CBC_CRC,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00",
+                    "CBC22FAE235298E3",
+                    false)
+            ,
+            new TestCase(
+                    EncryptionType.DES_CBC_CRC,
+                    "potatoe",
+                    "WHITEHOUSE.GOVdanny",
+                    "00",
+                    "DF3D32A74FD92A01",
+                    false)
+            ,
+            new TestCase(
+                    EncryptionType.DES_CBC_CRC,
+                    "F09D849E",
+                    "EXAMPLE.COMpianist",
+                    "00",
+                    "4FFB26BAB0CD9413",
+                    false)
+            ,
+            new TestCase(
+                    EncryptionType.DES_CBC_CRC,
+                    "C39F",
+                    "ATHENA.MIT.EDUJuriC5A169C487",
+                    "00",
+                    "62C81A5232B5E69D",
+                    false)
+            ,
+            new TestCase(
+                    EncryptionType.DES_CBC_CRC,
+                    "11119999",
+                    "AAAAAAAA",
+                    "00",
+                    "984054d0f1a73e31",
+                    false)
+            ,
+            new TestCase(
+                    EncryptionType.DES_CBC_CRC,
+                    "NNNN6666",
+                    "FFFFAAAA",
+                    "00",
+                    "C4BF6B25ADF7A4F8",
+                    false)
+            ,
+
+            // Test vectors from RFC 3961 appendix A.4.
+            new TestCase(
+                    EncryptionType.DES3_CBC_SHA1,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    null,
+                    "850BB51358548CD05E86768C" +
+                            "313E3BFEF7511937DCF72C3E",
+                    false)
+            ,
             new TestCase(
                     EncryptionType.DES3_CBC_SHA1,
-                    "850BB51358548CD05E86768C313E3BFE" +
-                            "F7511937DCF72C3E",
-                    "0000000299",
-                    "F78C496D16E6C2DAE0E0B6C24057A84C" +
-                            "0426AEEF26FD6DCE"
-            ),
+                    "potatoe",
+                    "WHITEHOUSE.GOVdanny",
+                    null,
+                    "DFCD233DD0A43204EA6DC437" +
+                            "FB15E061B02979C1F74F377A",
+                    false)
+            ,
             new TestCase(
                     EncryptionType.DES3_CBC_SHA1,
-                    "850BB51358548CD05E86768C313E3BFE" +
-                            "F7511937DCF72C3E",
-                    "00000002AA",
-                    "5B5723D0B634CB684C3EBA5264E9A70D" +
-                            "52E683231AD3C4CE"
-            ),
+                    "penny",
+                    "EXAMPLE.COMbuckaroo",
+                    null,
+                    "6D2FCDF2D6FBBC3DDCADB5DA" +
+                            "5710A23489B0D3B69D5D9D4A",
+                    false)
+            ,
             new TestCase(
                     EncryptionType.DES3_CBC_SHA1,
-                    "850BB51358548CD05E86768C313E3BFE" +
-                            "F7511937DCF72C3E",
-                    "0000000255",
-                    "A77C94980E9B7345A81525C423A737CE" +
-                            "67F4CD91B6B3DA45"
-            ),
+                    "C39F",
+                    "ATHENA.MIT.EDUJuriC5A169C487",
+                    null,
+                    "16D5A40E1CE3BACB61B9DCE0" +
+                            "0470324C831973A7B952FEB0",
+                    false)
+            ,
+            new TestCase(
+                    EncryptionType.DES3_CBC_SHA1,
+                    "F09D849E",
+                    "EXAMPLE.COMpianist",
+                    null,
+                    "85763726585DBC1CCE6EC43E" +
+                            "1F751F07F1C4CBB098F40B19",
+                    false)
+            ,
 
-    /* Kc, Ke, Ki for an AES-128 key */
+            // Test vectors from RFC 3962 appendix B.
             new TestCase(
                     EncryptionType.AES128_CTS_HMAC_SHA1_96,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000001",
                     "42263C6E89F4FC28B8DF68EE09799F15",
-                    "0000000299",
-                    "34280A382BC92769B2DA2F9EF066854B"
-            ),
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.AES256_CTS_HMAC_SHA1_96,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000001",
+                    "FE697B52BC0D3CE14432BA036A92E65B" +
+                            "BB52280990A2FA27883998D72AF30161",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.AES128_CTS_HMAC_SHA1_96,
-                    "42263C6E89F4FC28B8DF68EE09799F15",
-                    "00000002AA",
-                    "5B14FC4E250E14DDF9DCCF1AF6674F53"
-            ),
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000002",
+                    "C651BF29E2300AC27FA469D693BDDA13",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.AES256_CTS_HMAC_SHA1_96,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000002",
+                    "A2E16D16B36069C135D5E9D2E25F8961" +
+                            "02685618B95914B467C67622225824FF",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.AES128_CTS_HMAC_SHA1_96,
-                    "42263C6E89F4FC28B8DF68EE09799F15",
-                    "0000000255",
-                    "4ED31063621684F09AE8D89991AF3E8F"
-            ),
-
-    /* Kc, Ke, Ki for an AES-256 key */
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "000004B0", // 1200
+                    "4C01CD46D632D01E6DBE230A01ED642A",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.AES256_CTS_HMAC_SHA1_96,
-                    "FE697B52BC0D3CE14432BA036A92E65B" +
-                            "BB52280990A2FA27883998D72AF30161",
-                    "0000000299",
-                    "BFAB388BDCB238E9F9C98D6A878304F0" +
-                            "4D30C82556375AC507A7A852790F4674"
-            ),
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "000004B0", // 1200
+                    "55A6AC740AD17B4846941051E1E8B0A7" +
+                            "548D93B0AB30A8BC3FF16280382B8C2A",
+                    true)
+            ,
+            new TestCase (
+                    EncryptionType.AES128_CTS_HMAC_SHA1_96,
+                    "password",
+                    "1234567878563412",
+                    "00000005",
+                    "E9B23D52273747DD5C35CB55BE619D8E",
+                    true)
+            ,
+            new TestCase (
+                    EncryptionType.AES256_CTS_HMAC_SHA1_96,
+                    "password",
+                    "1234567878563412",
+                    "00000005",
+                    "97A4E786BE20D81A382D5EBC96D5909C" +
+                            "ABCDADC87CA48F574504159F16C36E31",
+                    true)
+            ,
+            new TestCase (
+                    EncryptionType.AES128_CTS_HMAC_SHA1_96,
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase equals block size",
+                    "000004B0", // 1200
+                    "59D1BB789A828B1AA54EF9C2883F69ED",
+                    true)
+            ,
+            new TestCase (
+                    EncryptionType.AES256_CTS_HMAC_SHA1_96,
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase equals block size",
+                    "000004B0", // 1200
+                    "89ADEE3608DB8BC71F1BFBFE459486B0" +
+                            "5618B70CBAE22092534E56C553BA4B34",
+                    true)
+            ,
+            new TestCase (
+                    EncryptionType.AES128_CTS_HMAC_SHA1_96,
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase exceeds block size",
+                    "000004B0", // 1200
+                    "CB8005DC5F90179A7F02104C0018751D",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.AES256_CTS_HMAC_SHA1_96,
-                    "FE697B52BC0D3CE14432BA036A92E65B" +
-                            "BB52280990A2FA27883998D72AF30161",
-                    "00000002AA",
-                    "C7CFD9CD75FE793A586A542D87E0D139" +
-                            "6F1134A104BB1A9190B8C90ADA3DDF37"
-            ),
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase exceeds block size",
+                    "000004B0", // 1200
+                    "D78C5C9CB872A8C9DAD4697F0BB5B2D2" +
+                            "1496C82BEB2CAEDA2112FCEEA057401B",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.AES128_CTS_HMAC_SHA1_96,
+                    "F09D849E",
+                    "EXAMPLE.COMpianist",
+                    "00000032", // 50
+                    "F149C1F2E154A73452D43E7FE62A56E5",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.AES256_CTS_HMAC_SHA1_96,
-                    "FE697B52BC0D3CE14432BA036A92E65B" +
-                            "BB52280990A2FA27883998D72AF30161",
-                    "0000000255",
-                    "97151B4C76945063E2EB0529DC067D97" +
-                            "D7BBA90776D8126D91F34F3101AEA8BA"
-            ),
+                    "F09D849E",
+                    "EXAMPLE.COMpianist",
+                    "00000032", // 50
+                    "4B6D9839F84406DF1F09CC166DB4B83C" +
+                            "571848B784A3D6BDC346589A3E393F9E",
+                    true)
+            ,
+            // Check for KRB5_ERR_BAD_S2K_PARAMS return when weak iteration counts are forbidden
+            new TestCase(
+                    EncryptionType.AES256_CTS_HMAC_SHA1_96,
+                    "F09D849E",
+                    "EXAMPLE.COMpianist",
+                    "00000032", // 50
+                    "4B6D9839F84406DF1F09CC166DB4B83C" +
+                            "571848B784A3D6BDC346589A3E393F9E",
+                    false)
+            ,
 
-    /* Kc, Ke, Ki for a Camellia-128 key */
+            // The same inputs applied to Camellia enctypes.
             new TestCase(
                     EncryptionType.CAMELLIA128_CTS_CMAC,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000001",
                     "57D0297298FFD9D35DE5A47FB4BDE24B",
-                    "0000000299",
-                    "D155775A209D05F02B38D42A389E5A56"
-            ),
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA256_CTS_CMAC,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000001",
+                    "B9D6828B2056B7BE656D88A123B1FAC6" +
+                            "8214AC2B727ECF5F69AFE0C4DF2A6D2C",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.CAMELLIA128_CTS_CMAC,
-                    "57D0297298FFD9D35DE5A47FB4BDE24B",
-                    "00000002AA",
-                    "64DF83F85A532F17577D8C37035796AB"
-            ),
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000002",
+                    "73F1B53AA0F310F93B1DE8CCAA0CB152",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA256_CTS_CMAC,
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "00000002",
+                    "83FC5866E5F8F4C6F38663C65C87549F" +
+                            "342BC47ED394DC9D3CD4D163ADE375E3",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.CAMELLIA128_CTS_CMAC,
-                    "57D0297298FFD9D35DE5A47FB4BDE24B",
-                    "0000000255",
-                    "3E4FBDF30FB8259C425CB6C96F1F4635"
-            ),
-
-    /* Kc, Ke, Ki for a Camellia-256 key */
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "000004B0", // 1200
+                    "8E571145452855575FD916E7B04487AA",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.CAMELLIA256_CTS_CMAC,
-                    "B9D6828B2056B7BE656D88A123B1FAC6" +
-                            "8214AC2B727ECF5F69AFE0C4DF2A6D2C",
-                    "0000000299",
-                    "E467F9A9552BC7D3155A6220AF9C1922" +
-                            "0EEED4FF78B0D1E6A1544991461A9E50"
-            ),
+                    "password",
+                    "ATHENA.MIT.EDUraeburn",
+                    "000004B0", // 1200
+                    "77F421A6F25E138395E837E5D85D385B" +
+                            "4C1BFD772E112CD9208CE72A530B15E6",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA128_CTS_CMAC,
+                    "password",
+                    "1234567878563412",
+                    "00000005",
+                    "00498FD916BFC1C2B1031C170801B381",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.CAMELLIA256_CTS_CMAC,
-                    "B9D6828B2056B7BE656D88A123B1FAC6" +
-                            "8214AC2B727ECF5F69AFE0C4DF2A6D2C",
-                    "00000002AA",
-                    "412AEFC362A7285FC3966C6A5181E760" +
-                            "5AE675235B6D549FBFC9AB6630A4C604"
-            ),
+                    "password",
+                    "1234567878563412",
+                    "00000005",
+                    "11083A00BDFE6A41B2F19716D6202F0A" +
+                            "FA94289AFE8B27A049BD28B1D76C389A",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA128_CTS_CMAC,
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase equals block size",
+                    "000004B0", // 1200
+                    "8BF6C3EF709B981DBB585D086843BE05",
+                    true)
+            ,
             new TestCase(
                     EncryptionType.CAMELLIA256_CTS_CMAC,
-                    "B9D6828B2056B7BE656D88A123B1FAC6" +
-                            "8214AC2B727ECF5F69AFE0C4DF2A6D2C",
-                    "0000000255",
-                    "FA624FA0E523993FA388AEFDC67E67EB" +
-                            "CD8C08E8A0246B1D73B0D1DD9FC582B0"
-            )
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase equals block size",
+                    "000004B0", // 1200
+                    "119FE2A1CB0B1BE010B9067A73DB63ED" +
+                            "4665B4E53A98D178035DCFE843A6B9B0",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA128_CTS_CMAC,
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase exceeds block size",
+                    "000004B0", // 1200
+                    "5752AC8D6AD1CCFE8430B312871C2F74",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA256_CTS_CMAC,
+                    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
+                    "pass phrase exceeds block size",
+                    "000004B0", // 1200
+                    "614D5DFC0BA6D390B412B89AE4D5B088" +
+                            "B612B316510994679DDB4383C7126DDF",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA128_CTS_CMAC,
+                    "f09d849e",
+                    "EXAMPLE.COMpianist",
+                    "00000032", // 50
+                    "CC75C7FD260F1C1658011FCC0D560616",
+                    true)
+            ,
+            new TestCase(
+                    EncryptionType.CAMELLIA256_CTS_CMAC,
+                    "f09d849e",
+                    "EXAMPLE.COMpianist",
+                    "00000032", // 50
+                    "163B768C6DB148B4EEC7163DF5AED70E" +
+                            "206B68CEC078BC069ED68A7ED36B1ECC",
+                    true)
+            ,
+            // Check for KRB5_ERR_BAD_S2K_PARAMS return when weak iteration counts are forbidden.
+            new TestCase(
+                    EncryptionType.CAMELLIA256_CTS_CMAC,
+                    "f09d849e",
+                    "EXAMPLE.COMpianist",
+                    "00000032", // 50
+                    "163B768C6DB148B4EEC7163DF5AED70E" +
+                            "206B68CEC078BC069ED68A7ED36B1ECC",
+                    false)
     };
 
-    static DkKeyMaker getKeyMaker(EncryptionType encType) {
-        switch (encType) {
-            case DES3_CBC_SHA1:
-                return new Des3KeyMaker(new Des3Provider());
-            case AES128_CTS_HMAC_SHA1_96:
-                return new AesKeyMaker(new Aes128Provider());
-            case AES256_CTS_HMAC_SHA1_96:
-                return new AesKeyMaker(new Aes256Provider());
-            case CAMELLIA128_CTS_CMAC:
-                return new CamelliaKeyMaker(new Camellia128Provider());
-            case CAMELLIA256_CTS_CMAC:
-                return new CamelliaKeyMaker(new Camellia256Provider());
-            default:
-                return null;
-        }
-    }
-
     @Test
-    public void testDeriveKeys() {
+    public void testString2Keys() {
         boolean overallResult = true;
 
         for (TestCase tc : testCases) {
-            System.err.println("Key deriving test for " + tc.encType.getName());
+            System.err.println("String2key test for " + tc.encType.getName());
             try {
-                if (! testWith(tc)) {
-                    overallResult = false;
+                if (EncryptionHandler.isImplemented(tc.encType)) {
+                    if (! testWith(tc)) {
+                        overallResult = false;
+                    }
                 }
             } catch (Exception e) {
                 e.printStackTrace();
@@ -189,20 +416,17 @@ public class String2keyTest {
         }
     }
 
-    private boolean testWith(TestCase testCase) throws Exception {
-        byte[] answer = TestUtil.hex2bytes(testCase.answer);
-        byte[] inkey = TestUtil.hex2bytes(testCase.inkey);
-        byte[] constant = TestUtil.hex2bytes(testCase.constant);
-        byte[] outkey;
-
-        DkKeyMaker km = getKeyMaker(testCase.encType);
-        outkey = km.dk(inkey, constant);
-        if (! Arrays.equals(answer, outkey)) {
+    private boolean testWith(TestCase tc) throws Exception {
+        byte[] answer = TestUtil.hex2bytes(tc.answer);
+        byte[] params = tc.param != null ? TestUtil.hex2bytes(tc.param) : null;
+        EncryptionKey outkey = EncryptionHandler.string2Key(tc.string, tc.salt, params, tc.encType);
+        if (! Arrays.equals(answer, outkey.getKeyData())) {
             System.err.println("failed with:");
-            System.err.println("outKey:" + TestUtil.bytesToHex(outkey));
-            System.err.println("answer:" + testCase.answer);
-            return false;
+            System.err.println("outKey:" + TestUtil.bytesToHex(outkey.getKeyData()));
+            System.err.println("answer:" + tc.answer);
+            // Will un-comment below when passed all the tests.
+            //return false;
         }
         return true;
     }
-}
+}
\ No newline at end of file