/Mate20_9_0_0/src/main/java/com/android/org/bouncycastle/jcajce/provider/symmetric/Blowfish.java

https://github.com/SivanLiu/HwFrameWorkSource · Java · 62 lines · 53 code · 9 blank · 0 comment · 0 complexity · 4f4d01c6cbe405b502886427a971043d 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 KeyGen extends BaseKeyGenerator {
    16. 

  16.         public KeyGen() {
    17. 

  17.             super("Blowfish", 128, new CipherKeyGenerator());
    18. 

  18.         }
    19. 

  19.     }
    20. 

  20. 

  21.     public static class Mappings extends AlgorithmProvider {
    22. 

  22.         private static final String PREFIX = Blowfish.class.getName();
    23. 

  23. 

  24.         public void configure(ConfigurableProvider provider) {
    25. 

  25.             StringBuilder stringBuilder = new StringBuilder();
    26. 

  26.             stringBuilder.append(PREFIX);
    27. 

  27.             stringBuilder.append("$ECB");
    28. 

  28.             provider.addAlgorithm("Cipher.BLOWFISH", stringBuilder.toString());
    29. 

  29.             stringBuilder = new StringBuilder();
    30. 

  30.             stringBuilder.append(PREFIX);
    31. 

  31.             stringBuilder.append("$KeyGen");
    32. 

  32.             provider.addAlgorithm("KeyGenerator.BLOWFISH", stringBuilder.toString());
    33. 

  33.             provider.addAlgorithm("Alg.Alias.KeyGenerator", MiscObjectIdentifiers.cryptlib_algorithm_blowfish_CBC, "BLOWFISH");
    34. 

  34.             stringBuilder = new StringBuilder();
    35. 

  35.             stringBuilder.append(PREFIX);
    36. 

  36.             stringBuilder.append("$AlgParams");
    37. 

  37.             provider.addAlgorithm("AlgorithmParameters.BLOWFISH", stringBuilder.toString());
    38. 

  38.             provider.addAlgorithm("Alg.Alias.AlgorithmParameters", MiscObjectIdentifiers.cryptlib_algorithm_blowfish_CBC, "BLOWFISH");
    39. 

  39.         }
    40. 

  40.     }
    41. 

  41. 

  42.     public static class AlgParams extends IvAlgorithmParameters {
    43. 

  43.         protected String engineToString() {
    44. 

  44.             return "Blowfish IV";
    45. 

  45.         }
    46. 

  46.     }
    47. 

  47. 

  48.     public static class CBC extends BaseBlockCipher {
    49. 

  49.         public CBC() {
    50. 

  50.             super(new CBCBlockCipher(new BlowfishEngine()), 64);
    51. 

  51.         }
    52. 

  52.     }
    53. 

  53. 

  54.     public static class ECB extends BaseBlockCipher {
    55. 

  55.         public ECB() {
    56. 

  56.             super(new BlowfishEngine());
    57. 

  57.         }
    58. 

  58.     }
    59. 

  59. 

  60.     private Blowfish() {
    61. 

  61.     }
    62. 

  62. }
    63.