public final class com.sun.crypto.provider.DESKeyGenerator extends javax.crypto.KeyGeneratorSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.sun.crypto.provider.DESKeyGenerator
  super_class: javax.crypto.KeyGeneratorSpi
{
  private java.security.SecureRandom random;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.sun.crypto.provider.DESKeyGenerator this
         0: .line 51
            aload 0 /* this */
            invokespecial javax.crypto.KeyGeneratorSpi.<init>:()V
         1: .line 46
            aload 0 /* this */
            aconst_null
            putfield com.sun.crypto.provider.DESKeyGenerator.random:Ljava/security/SecureRandom;
         2: .line 52
            return
        end local 0 // com.sun.crypto.provider.DESKeyGenerator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/sun/crypto/provider/DESKeyGenerator;

  protected void engineInit(java.security.SecureRandom);
    descriptor: (Ljava/security/SecureRandom;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.sun.crypto.provider.DESKeyGenerator this
        start local 1 // java.security.SecureRandom random
         0: .line 60
            aload 0 /* this */
            aload 1 /* random */
            putfield com.sun.crypto.provider.DESKeyGenerator.random:Ljava/security/SecureRandom;
         1: .line 61
            return
        end local 1 // java.security.SecureRandom random
        end local 0 // com.sun.crypto.provider.DESKeyGenerator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lcom/sun/crypto/provider/DESKeyGenerator;
            0    2     1  random  Ljava/security/SecureRandom;
    MethodParameters:
        Name  Flags
      random  

  protected void engineInit(java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom);
    descriptor: (Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.sun.crypto.provider.DESKeyGenerator this
        start local 1 // java.security.spec.AlgorithmParameterSpec params
        start local 2 // java.security.SecureRandom random
         0: .line 76
            new java.security.InvalidAlgorithmParameterException
            dup
         1: .line 77
            ldc "DES key generation does not take any parameters"
         2: .line 76
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.security.SecureRandom random
        end local 1 // java.security.spec.AlgorithmParameterSpec params
        end local 0 // com.sun.crypto.provider.DESKeyGenerator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lcom/sun/crypto/provider/DESKeyGenerator;
            0    3     1  params  Ljava/security/spec/AlgorithmParameterSpec;
            0    3     2  random  Ljava/security/SecureRandom;
    Exceptions:
      throws java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      params  
      random  

  protected void engineInit(int, java.security.SecureRandom);
    descriptor: (ILjava/security/SecureRandom;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // com.sun.crypto.provider.DESKeyGenerator this
        start local 1 // int keysize
        start local 2 // java.security.SecureRandom random
         0: .line 89
            iload 1 /* keysize */
            bipush 56
            if_icmpeq 2
         1: .line 90
            new java.security.InvalidParameterException
            dup
            ldc "Wrong keysize: must be equal to 56"
            invokespecial java.security.InvalidParameterException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 93
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* random */
            invokevirtual com.sun.crypto.provider.DESKeyGenerator.engineInit:(Ljava/security/SecureRandom;)V
         3: .line 94
            return
        end local 2 // java.security.SecureRandom random
        end local 1 // int keysize
        end local 0 // com.sun.crypto.provider.DESKeyGenerator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lcom/sun/crypto/provider/DESKeyGenerator;
            0    4     1  keysize  I
            0    4     2   random  Ljava/security/SecureRandom;
    MethodParameters:
         Name  Flags
      keysize  
      random   

  protected javax.crypto.SecretKey engineGenerateKey();
    descriptor: ()Ljavax/crypto/SecretKey;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // com.sun.crypto.provider.DESKeyGenerator this
         0: .line 102
            aconst_null
            astore 1 /* desKey */
        start local 1 // com.sun.crypto.provider.DESKey desKey
         1: .line 104
            aload 0 /* this */
            getfield com.sun.crypto.provider.DESKeyGenerator.random:Ljava/security/SecureRandom;
            ifnonnull 3
         2: .line 105
            aload 0 /* this */
            invokestatic com.sun.crypto.provider.SunJCE.getRandom:()Ljava/security/SecureRandom;
            putfield com.sun.crypto.provider.DESKeyGenerator.random:Ljava/security/SecureRandom;
         3: .line 109
      StackMap locals: com.sun.crypto.provider.DESKey
      StackMap stack:
            bipush 8
            newarray 8
            astore 2 /* key */
        start local 2 // byte[] key
         4: .line 111
      StackMap locals: byte[]
      StackMap stack:
            aload 0 /* this */
            getfield com.sun.crypto.provider.DESKeyGenerator.random:Ljava/security/SecureRandom;
            aload 2 /* key */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         5: .line 112
            aload 2 /* key */
            iconst_0
            invokestatic com.sun.crypto.provider.DESKeyGenerator.setParityBit:([BI)V
         6: .line 113
            aload 2 /* key */
            iconst_0
            invokestatic javax.crypto.spec.DESKeySpec.isWeak:([BI)Z
            ifne 4
         7: .line 114
            new com.sun.crypto.provider.DESKey
            dup
            aload 2 /* key */
            invokespecial com.sun.crypto.provider.DESKey.<init>:([B)V
            astore 1 /* desKey */
        end local 2 // byte[] key
         8: .line 115
            goto 10
      StackMap locals: com.sun.crypto.provider.DESKeyGenerator com.sun.crypto.provider.DESKey
      StackMap stack: java.security.InvalidKeyException
         9: pop
        10: .line 119
      StackMap locals:
      StackMap stack:
            aload 1 /* desKey */
            areturn
        end local 1 // com.sun.crypto.provider.DESKey desKey
        end local 0 // com.sun.crypto.provider.DESKeyGenerator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lcom/sun/crypto/provider/DESKeyGenerator;
            1   11     1  desKey  Lcom/sun/crypto/provider/DESKey;
            4    8     2     key  [B
      Exception table:
        from    to  target  type
           3     8       9  Class java.security.InvalidKeyException

  static void setParityBit(byte[], int);
    descriptor: ([BI)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // byte[] key
        start local 1 // int offset
         0: .line 138
            aload 0 /* key */
            ifnonnull 2
         1: .line 139
            return
         2: .line 141
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         3: goto 8
         4: .line 142
      StackMap locals: int
      StackMap stack:
            aload 0 /* key */
            iload 1 /* offset */
            baload
            sipush 254
            iand
            istore 3 /* b */
        start local 3 // int b
         5: .line 143
            iload 3 /* b */
            iload 3 /* b */
            invokestatic java.lang.Integer.bitCount:(I)I
            iconst_1
            iand
            iconst_1
            ixor
            ior
            istore 3 /* b */
         6: .line 144
            aload 0 /* key */
            iload 1 /* offset */
            iinc 1 /* offset */ 1
            iload 3 /* b */
            i2b
            bastore
        end local 3 // int b
         7: .line 141
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         8: iload 2 /* i */
            bipush 8
            if_icmplt 4
        end local 2 // int i
         9: .line 146
            return
        end local 1 // int offset
        end local 0 // byte[] key
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   10     0     key  [B
            0   10     1  offset  I
            3    9     2       i  I
            5    7     3       b  I
    MethodParameters:
        Name  Flags
      key     
      offset  
}
SourceFile: "DESKeyGenerator.java"