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

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

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

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

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

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

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

  public void <init>(org.bouncycastle.crypto.BlockCipher);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
        start local 1 // org.bouncycastle.crypto.BlockCipher cipher
         0: .line 34
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 37
            aload 0 /* this */
            aload 1 /* cipher */
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
         2: .line 39
            aload 0 /* this */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
         3: .line 40
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            newarray 8
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.IV:[B
         4: .line 41
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            newarray 8
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
         5: .line 42
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            newarray 8
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
         6: .line 43
            return
        end local 1 // org.bouncycastle.crypto.BlockCipher cipher
        end local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;
            0    7     1  cipher  Lorg/bouncycastle/crypto/BlockCipher;
    MethodParameters:
        Name  Flags
      cipher  

  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.OpenPGPCFBBlockCipher this
         0: .line 52
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            areturn
        end local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;

  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.OpenPGPCFBBlockCipher this
         0: .line 63
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.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 "/OpenPGPCFB"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;

  public int getBlockSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
         0: .line 73
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            ireturn
        end local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;

  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.OpenPGPCFBBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // byte[] out
        start local 4 // int outOff
         0: .line 96
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.forEncryption:Z
            ifeq 1
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            aload 3 /* out */
            iload 4 /* outOff */
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.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.OpenPGPCFBBlockCipher.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.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;
            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 void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
         0: .line 105
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
         1: .line 107
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.IV:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 109
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.reset:()V
         3: .line 110
            return
        end local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;

  public void init(boolean, org.bouncycastle.crypto.CipherParameters);
    descriptor: (ZLorg/bouncycastle/crypto/CipherParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
        start local 1 // boolean forEncryption
        start local 2 // org.bouncycastle.crypto.CipherParameters params
         0: .line 128
            aload 0 /* this */
            iload 1 /* forEncryption */
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.forEncryption:Z
         1: .line 130
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.reset:()V
         2: .line 132
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            iconst_1
            aload 2 /* params */
            invokeinterface org.bouncycastle.crypto.BlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
         3: .line 133
            return
        end local 2 // org.bouncycastle.crypto.CipherParameters params
        end local 1 // boolean forEncryption
        end local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0           this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;
            0    4     1  forEncryption  Z
            0    4     2         params  Lorg/bouncycastle/crypto/CipherParameters;
    Exceptions:
      throws java.lang.IllegalArgumentException
    MethodParameters:
               Name  Flags
      forEncryption  
      params         

  private byte encryptByte(byte, int);
    descriptor: (BI)B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
        start local 1 // byte data
        start local 2 // int blockOff
         0: .line 143
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iload 2 /* blockOff */
            baload
            iload 1 /* data */
            ixor
            i2b
            ireturn
        end local 2 // int blockOff
        end local 1 // byte data
        end local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;
            0    1     1      data  B
            0    1     2  blockOff  I
    MethodParameters:
          Name  Flags
      data      
      blockOff  

  private int encryptBlock(byte[], int, byte[], int);
    descriptor: ([BI[BI)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=8, locals=6, args_size=5
        start local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // byte[] out
        start local 4 // int outOff
         0: .line 165
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            aload 1 /* in */
            arraylength
            if_icmple 2
         1: .line 167
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "input buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 170
      StackMap locals:
      StackMap stack:
            iload 4 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            aload 3 /* out */
            arraylength
            if_icmple 4
         3: .line 172
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "output buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 175
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmple 14
         5: .line 177
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            aload 3 /* out */
            iload 4 /* outOff */
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            dup_x2
            bastore
            bastore
         6: .line 178
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_1
            isub
            aload 3 /* out */
            iload 4 /* outOff */
            iconst_1
            iadd
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            iconst_1
            iadd
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_1
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            dup_x2
            bastore
            bastore
         7: .line 180
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
         8: .line 182
            iconst_2
            istore 5 /* n */
        start local 5 // int n
         9: goto 12
        10: .line 184
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iload 5 /* n */
            iconst_2
            isub
            aload 3 /* out */
            iload 4 /* outOff */
            iload 5 /* n */
            iadd
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            iload 5 /* n */
            iadd
            baload
            iload 5 /* n */
            iconst_2
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            dup_x2
            bastore
            bastore
        11: .line 182
            iinc 5 /* n */ 1
      StackMap locals:
      StackMap stack:
        12: iload 5 /* n */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmplt 10
        end local 5 // int n
        13: .line 186
            goto 36
        14: .line 187
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            ifne 23
        15: .line 189
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        16: .line 191
            iconst_0
            istore 5 /* n */
        start local 5 // int n
        17: goto 20
        18: .line 193
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iload 5 /* n */
            aload 3 /* out */
            iload 4 /* outOff */
            iload 5 /* n */
            iadd
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            iload 5 /* n */
            iadd
            baload
            iload 5 /* n */
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            dup_x2
            bastore
            bastore
        19: .line 191
            iinc 5 /* n */ 1
      StackMap locals:
      StackMap stack:
        20: iload 5 /* n */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmplt 18
        end local 5 // int n
        21: .line 196
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
        22: .line 197
            goto 36
        23: .line 198
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmpne 36
        24: .line 200
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        25: .line 202
            aload 3 /* out */
            iload 4 /* outOff */
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            baload
            iconst_0
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        26: .line 203
            aload 3 /* out */
            iload 4 /* outOff */
            iconst_1
            iadd
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            iconst_1
            iadd
            baload
            iconst_1
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        27: .line 208
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_2
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        28: .line 209
            aload 3 /* out */
            iload 4 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            iconst_2
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        29: .line 211
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        30: .line 213
            iconst_2
            istore 5 /* n */
        start local 5 // int n
        31: goto 34
        32: .line 215
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iload 5 /* n */
            iconst_2
            isub
            aload 3 /* out */
            iload 4 /* outOff */
            iload 5 /* n */
            iadd
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            iload 5 /* n */
            iadd
            baload
            iload 5 /* n */
            iconst_2
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            dup_x2
            bastore
            bastore
        33: .line 213
            iinc 5 /* n */ 1
      StackMap locals:
      StackMap stack:
        34: iload 5 /* n */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmplt 32
        end local 5 // int n
        35: .line 218
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
        36: .line 221
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.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.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   37     0    this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;
            0   37     1      in  [B
            0   37     2   inOff  I
            0   37     3     out  [B
            0   37     4  outOff  I
            9   13     5       n  I
           17   21     5       n  I
           31   35     5       n  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      in      
      inOff   
      out     
      outOff  

  private int decryptBlock(byte[], int, byte[], int);
    descriptor: ([BI[BI)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=9, args_size=5
        start local 0 // org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // byte[] out
        start local 4 // int outOff
         0: .line 243
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            aload 1 /* in */
            arraylength
            if_icmple 2
         1: .line 245
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "input buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 248
      StackMap locals:
      StackMap stack:
            iload 4 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            aload 3 /* out */
            arraylength
            if_icmple 4
         3: .line 250
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "output buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 253
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmple 20
         5: .line 255
            aload 1 /* in */
            iload 2 /* inOff */
            baload
            istore 5 /* inVal */
        start local 5 // byte inVal
         6: .line 256
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            iload 5 /* inVal */
            bastore
         7: .line 257
            aload 3 /* out */
            iload 4 /* outOff */
            aload 0 /* this */
            iload 5 /* inVal */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
         8: .line 259
            aload 1 /* in */
            iload 2 /* inOff */
            iconst_1
            iadd
            baload
            istore 5 /* inVal */
         9: .line 260
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_1
            isub
            iload 5 /* inVal */
            bastore
        10: .line 261
            aload 3 /* out */
            iload 4 /* outOff */
            iconst_1
            iadd
            aload 0 /* this */
            iload 5 /* inVal */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_1
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        11: .line 263
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        12: .line 265
            iconst_2
            istore 6 /* n */
        start local 6 // int n
        13: goto 18
        14: .line 267
      StackMap locals: int int
      StackMap stack:
            aload 1 /* in */
            iload 2 /* inOff */
            iload 6 /* n */
            iadd
            baload
            istore 5 /* inVal */
        15: .line 268
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iload 6 /* n */
            iconst_2
            isub
            iload 5 /* inVal */
            bastore
        16: .line 269
            aload 3 /* out */
            iload 4 /* outOff */
            iload 6 /* n */
            iadd
            aload 0 /* this */
            iload 5 /* inVal */
            iload 6 /* n */
            iconst_2
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        17: .line 265
            iinc 6 /* n */ 1
      StackMap locals:
      StackMap stack:
        18: iload 6 /* n */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmplt 14
        end local 6 // int n
        end local 5 // byte inVal
        19: .line 271
            goto 48
        20: .line 272
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            ifne 30
        21: .line 274
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        22: .line 276
            iconst_0
            istore 5 /* n */
        start local 5 // int n
        23: goto 27
        24: .line 278
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iload 5 /* n */
            aload 1 /* in */
            iload 2 /* inOff */
            iload 5 /* n */
            iadd
            baload
            bastore
        25: .line 279
            aload 3 /* out */
            iload 5 /* n */
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            iload 5 /* n */
            iadd
            baload
            iload 5 /* n */
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        26: .line 276
            iinc 5 /* n */ 1
      StackMap locals:
      StackMap stack:
        27: iload 5 /* n */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmplt 24
        end local 5 // int n
        28: .line 282
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
        29: .line 283
            goto 48
        30: .line 284
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmpne 48
        31: .line 286
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        32: .line 288
            aload 1 /* in */
            iload 2 /* inOff */
            baload
            istore 5 /* inVal1 */
        start local 5 // byte inVal1
        33: .line 289
            aload 1 /* in */
            iload 2 /* inOff */
            iconst_1
            iadd
            baload
            istore 6 /* inVal2 */
        start local 6 // byte inVal2
        34: .line 290
            aload 3 /* out */
            iload 4 /* outOff */
            aload 0 /* this */
            iload 5 /* inVal1 */
            iconst_0
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        35: .line 291
            aload 3 /* out */
            iload 4 /* outOff */
            iconst_1
            iadd
            aload 0 /* this */
            iload 6 /* inVal2 */
            iconst_1
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        36: .line 293
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_2
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        37: .line 295
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_2
            isub
            iload 5 /* inVal1 */
            bastore
        38: .line 296
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iconst_1
            isub
            iload 6 /* inVal2 */
            bastore
        39: .line 298
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FRE:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        40: .line 300
            iconst_2
            istore 7 /* n */
        start local 7 // int n
        41: goto 46
        42: .line 302
      StackMap locals: int int int
      StackMap stack:
            aload 1 /* in */
            iload 2 /* inOff */
            iload 7 /* n */
            iadd
            baload
            istore 8 /* inVal */
        start local 8 // byte inVal
        43: .line 303
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.FR:[B
            iload 7 /* n */
            iconst_2
            isub
            iload 8 /* inVal */
            bastore
        44: .line 304
            aload 3 /* out */
            iload 4 /* outOff */
            iload 7 /* n */
            iadd
            aload 0 /* this */
            iload 8 /* inVal */
            iload 7 /* n */
            iconst_2
            isub
            invokevirtual org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.encryptByte:(BI)B
            bastore
        end local 8 // byte inVal
        45: .line 300
            iinc 7 /* n */ 1
      StackMap locals:
      StackMap stack:
        46: iload 7 /* n */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            if_icmplt 42
        end local 7 // int n
        47: .line 307
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.blockSize:I
            iadd
            putfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.count:I
        end local 6 // byte inVal2
        end local 5 // byte inVal1
        48: .line 310
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.OpenPGPCFBBlockCipher.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.OpenPGPCFBBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   49     0    this  Lorg/bouncycastle/crypto/modes/OpenPGPCFBBlockCipher;
            0   49     1      in  [B
            0   49     2   inOff  I
            0   49     3     out  [B
            0   49     4  outOff  I
            6   19     5   inVal  B
           13   19     6       n  I
           23   28     5       n  I
           33   48     5  inVal1  B
           34   48     6  inVal2  B
           41   47     7       n  I
           43   45     8   inVal  B
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      in      
      inOff   
      out     
      outOff  
}
SourceFile: "OpenPGPCFBBlockCipher.java"