/P9-8.0/src/main/java/com/android/org/bouncycastle/jcajce/provider/symmetric/Blowfish.java

https://github.com/dstmath/HWFramework · Java · 53 lines · 44 code · 9 blank · 0 comment · 0 complexity · 047f3987c448e4fe628c0c48f763ce46 MD5 · raw file 

    

  1. package com.android.org.bouncycastle.jcajce.provider.symmetric;
    2. 

  2. 

  3. import com.android.org.bouncycastle.asn1.misc.MiscObjectIdentifiers;
    4. 

  4. import com.android.org.bouncycastle.crypto.CipherKeyGenerator;
    5. 

  5. import com.android.org.bouncycastle.crypto.engines.BlowfishEngine;
    6. 

  6. import com.android.org.bouncycastle.crypto.modes.CBCBlockCipher;
    7. 

  7. import com.android.org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
    8. 

  8. import com.android.org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher;
    9. 

  9. import com.android.org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
    10. 

  10. import com.android.org.bouncycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters;
    11. 

  11. import com.android.org.bouncycastle.jcajce.provider.util.AlgorithmProvider;
    12. 

  12. 

  13. public final class Blowfish {
    14. 

  14. 

  15.     public static class AlgParams extends IvAlgorithmParameters {
    16. 

  16.         protected String engineToString() {
    17. 

  17.             return "Blowfish IV";
    18. 

  18.         }
    19. 

  19.     }
    20. 

  20. 

  21.     public static class CBC extends BaseBlockCipher {
    22. 

  22.         public CBC() {
    23. 

  23.             super(new CBCBlockCipher(new BlowfishEngine()), 64);
    24. 

  24.         }
    25. 

  25.     }
    26. 

  26. 

  27.     public static class ECB extends BaseBlockCipher {
    28. 

  28.         public ECB() {
    29. 

  29.             super(new BlowfishEngine());
    30. 

  30.         }
    31. 

  31.     }
    32. 

  32. 

  33.     public static class KeyGen extends BaseKeyGenerator {
    34. 

  34.         public KeyGen() {
    35. 

  35.             super("Blowfish", 128, new CipherKeyGenerator());
    36. 

  36.         }
    37. 

  37.     }
    38. 

  38. 

  39.     public static class Mappings extends AlgorithmProvider {
    40. 

  40.         private static final String PREFIX = Blowfish.class.getName();
    41. 

  41. 

  42.         public void configure(ConfigurableProvider provider) {
    43. 

  43.             provider.addAlgorithm("Cipher.BLOWFISH", PREFIX + "$ECB");
    44. 

  44.             provider.addAlgorithm("KeyGenerator.BLOWFISH", PREFIX + "$KeyGen");
    45. 

  45.             provider.addAlgorithm("Alg.Alias.KeyGenerator", MiscObjectIdentifiers.cryptlib_algorithm_blowfish_CBC, "BLOWFISH");
    46. 

  46.             provider.addAlgorithm("AlgorithmParameters.BLOWFISH", PREFIX + "$AlgParams");
    47. 

  47.             provider.addAlgorithm("Alg.Alias.AlgorithmParameters", MiscObjectIdentifiers.cryptlib_algorithm_blowfish_CBC, "BLOWFISH");
    48. 

  48.         }
    49. 

  49.     }
    50. 

  50. 

  51.     private Blowfish() {
    52. 

  52.     }
    53. 

  53. }
    54.