http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
public class org.bouncycastle.util.test.FixedSecureRandom extends java.security.SecureRandom
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.util.test.FixedSecureRandom
  super_class: java.security.SecureRandom
{
  private byte[] _data;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private int _index;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private int _intPad;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  public void <init>(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
        start local 1 // byte[] value
         0: .line 17
            aload 0 /* this */
            iconst_0
            iconst_1
            anewarray byte[]
            dup
            iconst_0
            aload 1 /* value */
            aastore
            invokespecial org.bouncycastle.util.test.FixedSecureRandom.<init>:(Z[[B)V
         1: .line 18
            return
        end local 1 // byte[] value
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/bouncycastle/util/test/FixedSecureRandom;
            0    2     1  value  [B
    MethodParameters:
       Name  Flags
      value  

  public void <init>(byte[][]);
    descriptor: ([[B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
        start local 1 // byte[][] values
         0: .line 23
            aload 0 /* this */
            iconst_0
            aload 1 /* values */
            invokespecial org.bouncycastle.util.test.FixedSecureRandom.<init>:(Z[[B)V
         1: .line 24
            return
        end local 1 // byte[][] values
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/util/test/FixedSecureRandom;
            0    2     1  values  [[B
    MethodParameters:
        Name  Flags
      values  

  public void <init>(boolean, byte[]);
    descriptor: (Z[B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=3, args_size=3
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
        start local 1 // boolean intPad
        start local 2 // byte[] value
         0: .line 34
            aload 0 /* this */
            iload 1 /* intPad */
            iconst_1
            anewarray byte[]
            dup
            iconst_0
            aload 2 /* value */
            aastore
            invokespecial org.bouncycastle.util.test.FixedSecureRandom.<init>:(Z[[B)V
         1: .line 35
            return
        end local 2 // byte[] value
        end local 1 // boolean intPad
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/util/test/FixedSecureRandom;
            0    2     1  intPad  Z
            0    2     2   value  [B
    MethodParameters:
        Name  Flags
      intPad  
      value   

  public void <init>(boolean, byte[][]);
    descriptor: (Z[[B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=3
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
        start local 1 // boolean intPad
        start local 2 // byte[][] values
         0: .line 41
            aload 0 /* this */
            invokespecial java.security.SecureRandom.<init>:()V
         1: .line 45
            new java.io.ByteArrayOutputStream
            dup
            invokespecial java.io.ByteArrayOutputStream.<init>:()V
            astore 3 /* bOut */
        start local 3 // java.io.ByteArrayOutputStream bOut
         2: .line 47
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         3: goto 9
         4: .line 51
      StackMap locals: org.bouncycastle.util.test.FixedSecureRandom int byte[][] java.io.ByteArrayOutputStream int
      StackMap stack:
            aload 3 /* bOut */
            aload 2 /* values */
            iload 4 /* i */
            aaload
            invokevirtual java.io.ByteArrayOutputStream.write:([B)V
         5: .line 52
            goto 8
         6: .line 53
      StackMap locals:
      StackMap stack: java.io.IOException
            pop
         7: .line 55
            new java.lang.IllegalArgumentException
            dup
            ldc "can't save value array."
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 47
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 4 /* i */
            aload 2 /* values */
            arraylength
            if_icmpne 4
        end local 4 // int i
        10: .line 59
            aload 0 /* this */
            aload 3 /* bOut */
            invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
            putfield org.bouncycastle.util.test.FixedSecureRandom._data:[B
        11: .line 61
            iload 1 /* intPad */
            ifeq 13
        12: .line 63
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._data:[B
            arraylength
            iconst_4
            irem
            putfield org.bouncycastle.util.test.FixedSecureRandom._intPad:I
        13: .line 65
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.io.ByteArrayOutputStream bOut
        end local 2 // byte[][] values
        end local 1 // boolean intPad
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   14     0    this  Lorg/bouncycastle/util/test/FixedSecureRandom;
            0   14     1  intPad  Z
            0   14     2  values  [[B
            2   14     3    bOut  Ljava/io/ByteArrayOutputStream;
            3   10     4       i  I
      Exception table:
        from    to  target  type
           4     5       6  Class java.io.IOException
    MethodParameters:
        Name  Flags
      intPad  
      values  

  public void nextBytes(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
        start local 1 // byte[] bytes
         0: .line 69
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._data:[B
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._index:I
            aload 1 /* bytes */
            iconst_0
            aload 1 /* bytes */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         1: .line 71
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.test.FixedSecureRandom._index:I
            aload 1 /* bytes */
            arraylength
            iadd
            putfield org.bouncycastle.util.test.FixedSecureRandom._index:I
         2: .line 72
            return
        end local 1 // byte[] bytes
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lorg/bouncycastle/util/test/FixedSecureRandom;
            0    3     1  bytes  [B
    MethodParameters:
       Name  Flags
      bytes  

  public int nextInt();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
         0: .line 80
            iconst_0
            istore 1 /* val */
        start local 1 // int val
         1: .line 82
            iload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            bipush 24
            ishl
            ior
            istore 1 /* val */
         2: .line 83
            iload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            bipush 16
            ishl
            ior
            istore 1 /* val */
         3: .line 85
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._intPad:I
            iconst_2
            if_icmpne 6
         4: .line 87
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.test.FixedSecureRandom._intPad:I
            iconst_1
            isub
            putfield org.bouncycastle.util.test.FixedSecureRandom._intPad:I
         5: .line 88
            goto 7
         6: .line 91
      StackMap locals: int
      StackMap stack:
            iload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            bipush 8
            ishl
            ior
            istore 1 /* val */
         7: .line 94
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._intPad:I
            iconst_1
            if_icmpne 10
         8: .line 96
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.test.FixedSecureRandom._intPad:I
            iconst_1
            isub
            putfield org.bouncycastle.util.test.FixedSecureRandom._intPad:I
         9: .line 97
            goto 11
        10: .line 100
      StackMap locals:
      StackMap stack:
            iload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            ior
            istore 1 /* val */
        11: .line 103
      StackMap locals:
      StackMap stack:
            iload 1 /* val */
            ireturn
        end local 1 // int val
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   12     0  this  Lorg/bouncycastle/util/test/FixedSecureRandom;
            1   12     1   val  I

  public long nextLong();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
         0: .line 112
            lconst_0
            lstore 1 /* val */
        start local 1 // long val
         1: .line 114
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            bipush 56
            lshl
            lor
            lstore 1 /* val */
         2: .line 115
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            bipush 48
            lshl
            lor
            lstore 1 /* val */
         3: .line 116
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            bipush 40
            lshl
            lor
            lstore 1 /* val */
         4: .line 117
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            bipush 32
            lshl
            lor
            lstore 1 /* val */
         5: .line 118
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            bipush 24
            lshl
            lor
            lstore 1 /* val */
         6: .line 119
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            bipush 16
            lshl
            lor
            lstore 1 /* val */
         7: .line 120
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            bipush 8
            lshl
            lor
            lstore 1 /* val */
         8: .line 121
            lload 1 /* val */
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.test.FixedSecureRandom.nextValue:()I
            i2l
            lor
            lstore 1 /* val */
         9: .line 123
            lload 1 /* val */
            lreturn
        end local 1 // long val
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/bouncycastle/util/test/FixedSecureRandom;
            1   10     1   val  J

  public boolean isExhausted();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
         0: .line 128
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._index:I
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._data:[B
            arraylength
            if_icmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/util/test/FixedSecureRandom;

  private int nextValue();
    descriptor: ()I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.util.test.FixedSecureRandom this
         0: .line 133
            aload 0 /* this */
            getfield org.bouncycastle.util.test.FixedSecureRandom._data:[B
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.test.FixedSecureRandom._index:I
            dup_x1
            iconst_1
            iadd
            putfield org.bouncycastle.util.test.FixedSecureRandom._index:I
            baload
            sipush 255
            iand
            ireturn
        end local 0 // org.bouncycastle.util.test.FixedSecureRandom this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/util/test/FixedSecureRandom;
}
SourceFile: "FixedSecureRandom.java"