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.crypto.modes.CFBBlockCipher implements org.bouncycastle.crypto.BlockCipher
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.crypto.modes.CFBBlockCipher
  super_class: java.lang.Object
{
  private byte[] IV;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private byte[] cfbV;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private byte[] cfbOutV;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

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

  private org.bouncycastle.crypto.BlockCipher cipher;
    descriptor: Lorg/bouncycastle/crypto/BlockCipher;
    flags: (0x0002) ACC_PRIVATE

  private boolean encrypting;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.crypto.BlockCipher, int);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
        start local 1 // org.bouncycastle.crypto.BlockCipher cipher
        start local 2 // int bitBlockSize
         0: .line 29
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 19
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
         2: .line 33
            aload 0 /* this */
            aload 1 /* cipher */
            putfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
         3: .line 34
            aload 0 /* this */
            iload 2 /* bitBlockSize */
            bipush 8
            idiv
            putfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
         4: .line 36
            aload 0 /* this */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            newarray 8
            putfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
         5: .line 37
            aload 0 /* this */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            newarray 8
            putfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
         6: .line 38
            aload 0 /* this */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            newarray 8
            putfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbOutV:[B
         7: .line 39
            return
        end local 2 // int bitBlockSize
        end local 1 // org.bouncycastle.crypto.BlockCipher cipher
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    8     0          this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;
            0    8     1        cipher  Lorg/bouncycastle/crypto/BlockCipher;
            0    8     2  bitBlockSize  I
    MethodParameters:
              Name  Flags
      cipher        
      bitBlockSize  

  public org.bouncycastle.crypto.BlockCipher getUnderlyingCipher();
    descriptor: ()Lorg/bouncycastle/crypto/BlockCipher;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
         0: .line 48
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            areturn
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;

  public void init(boolean, org.bouncycastle.crypto.CipherParameters);
    descriptor: (ZLorg/bouncycastle/crypto/CipherParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
        start local 1 // boolean encrypting
        start local 2 // org.bouncycastle.crypto.CipherParameters params
         0: .line 67
            aload 0 /* this */
            iload 1 /* encrypting */
            putfield org.bouncycastle.crypto.modes.CFBBlockCipher.encrypting:Z
         1: .line 69
            aload 2 /* params */
            instanceof org.bouncycastle.crypto.params.ParametersWithIV
            ifeq 16
         2: .line 71
            aload 2 /* params */
            checkcast org.bouncycastle.crypto.params.ParametersWithIV
            astore 3 /* ivParam */
        start local 3 // org.bouncycastle.crypto.params.ParametersWithIV ivParam
         3: .line 72
            aload 3 /* ivParam */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getIV:()[B
            astore 4 /* iv */
        start local 4 // byte[] iv
         4: .line 74
            aload 4 /* iv */
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            arraylength
            if_icmpge 12
         5: .line 77
            aload 4 /* iv */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            arraylength
            aload 4 /* iv */
            arraylength
            isub
            aload 4 /* iv */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 78
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         7: goto 10
         8: .line 80
      StackMap locals: org.bouncycastle.crypto.params.ParametersWithIV byte[] int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            iload 5 /* i */
            iconst_0
            bastore
         9: .line 78
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
        10: iload 5 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            arraylength
            aload 4 /* iv */
            arraylength
            isub
            if_icmplt 8
        end local 5 // int i
        11: .line 82
            goto 13
        12: .line 85
      StackMap locals:
      StackMap stack:
            aload 4 /* iv */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        13: .line 88
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.modes.CFBBlockCipher.reset:()V
        14: .line 90
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            iconst_1
            aload 3 /* ivParam */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            invokeinterface org.bouncycastle.crypto.BlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        end local 4 // byte[] iv
        end local 3 // org.bouncycastle.crypto.params.ParametersWithIV ivParam
        15: .line 91
            goto 18
        16: .line 94
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.modes.CFBBlockCipher.reset:()V
        17: .line 96
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            iconst_1
            aload 2 /* params */
            invokeinterface org.bouncycastle.crypto.BlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        18: .line 98
      StackMap locals:
      StackMap stack:
            return
        end local 2 // org.bouncycastle.crypto.CipherParameters params
        end local 1 // boolean encrypting
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   19     0        this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;
            0   19     1  encrypting  Z
            0   19     2      params  Lorg/bouncycastle/crypto/CipherParameters;
            3   15     3     ivParam  Lorg/bouncycastle/crypto/params/ParametersWithIV;
            4   15     4          iv  [B
            7   11     5           i  I
    Exceptions:
      throws java.lang.IllegalArgumentException
    MethodParameters:
            Name  Flags
      encrypting  
      params      

  public java.lang.String getAlgorithmName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
         0: .line 108
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.getAlgorithmName:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "/CFB"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            bipush 8
            imul
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;

  public int getBlockSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
         0: .line 118
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            ireturn
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;

  public int processBlock(byte[], int, byte[], int);
    descriptor: ([BI[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=5
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // byte[] out
        start local 4 // int outOff
         0: .line 141
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.encrypting:Z
            ifeq 1
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            aload 3 /* out */
            iload 4 /* outOff */
            invokevirtual org.bouncycastle.crypto.modes.CFBBlockCipher.encryptBlock:([BI[BI)I
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            aload 3 /* out */
            iload 4 /* outOff */
            invokevirtual org.bouncycastle.crypto.modes.CFBBlockCipher.decryptBlock:([BI[BI)I
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 4 // int outOff
        end local 3 // byte[] out
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;
            0    3     1      in  [B
            0    3     2   inOff  I
            0    3     3     out  [B
            0    3     4  outOff  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      in      
      inOff   
      out     
      outOff  

  public int encryptBlock(byte[], int, byte[], int);
    descriptor: ([BI[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=5
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // byte[] out
        start local 4 // int outOff
         0: .line 163
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            iadd
            aload 1 /* in */
            arraylength
            if_icmple 2
         1: .line 165
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "input buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 168
      StackMap locals:
      StackMap stack:
            iload 4 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            iadd
            aload 3 /* out */
            arraylength
            if_icmple 4
         3: .line 170
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "output buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 173
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbOutV:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
         5: .line 178
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         6: goto 9
         7: .line 180
      StackMap locals: int
      StackMap stack:
            aload 3 /* out */
            iload 4 /* outOff */
            iload 5 /* i */
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbOutV:[B
            iload 5 /* i */
            baload
            aload 1 /* in */
            iload 2 /* inOff */
            iload 5 /* i */
            iadd
            baload
            ixor
            i2b
            bastore
         8: .line 178
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 5 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            if_icmplt 7
        end local 5 // int i
        10: .line 186
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        11: .line 187
            aload 3 /* out */
            iload 4 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            isub
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        12: .line 189
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            ireturn
        end local 4 // int outOff
        end local 3 // byte[] out
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   13     0    this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;
            0   13     1      in  [B
            0   13     2   inOff  I
            0   13     3     out  [B
            0   13     4  outOff  I
            6   10     5       i  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      in      
      inOff   
      out     
      outOff  

  public int decryptBlock(byte[], int, byte[], int);
    descriptor: ([BI[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=5
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // byte[] out
        start local 4 // int outOff
         0: .line 211
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            iadd
            aload 1 /* in */
            arraylength
            if_icmple 2
         1: .line 213
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "input buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 216
      StackMap locals:
      StackMap stack:
            iload 4 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            iadd
            aload 3 /* out */
            arraylength
            if_icmple 4
         3: .line 218
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "output buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 221
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbOutV:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
         5: .line 226
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 227
            aload 1 /* in */
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            isub
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         7: .line 232
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         8: goto 11
         9: .line 234
      StackMap locals: int
      StackMap stack:
            aload 3 /* out */
            iload 4 /* outOff */
            iload 5 /* i */
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbOutV:[B
            iload 5 /* i */
            baload
            aload 1 /* in */
            iload 2 /* inOff */
            iload 5 /* i */
            iadd
            baload
            ixor
            i2b
            bastore
        10: .line 232
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
        11: iload 5 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            if_icmplt 9
        end local 5 // int i
        12: .line 237
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.blockSize:I
            ireturn
        end local 4 // int outOff
        end local 3 // byte[] out
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   13     0    this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;
            0   13     1      in  [B
            0   13     2   inOff  I
            0   13     3     out  [B
            0   13     4  outOff  I
            8   12     5       i  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      in      
      inOff   
      out     
      outOff  

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
         0: .line 246
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cfbV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.IV:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         1: .line 248
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.reset:()V
         2: .line 249
            return
        end local 0 // org.bouncycastle.crypto.modes.CFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/crypto/modes/CFBBlockCipher;
}
SourceFile: "CFBBlockCipher.java"