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.engines.DESedeWrapEngine implements org.bouncycastle.crypto.Wrapper
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.crypto.engines.DESedeWrapEngine
  super_class: java.lang.Object
{
  private org.bouncycastle.crypto.modes.CBCBlockCipher engine;
    descriptor: Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.crypto.params.KeyParameter param;
    descriptor: Lorg/bouncycastle/crypto/params/KeyParameter;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.crypto.params.ParametersWithIV paramPlusIV;
    descriptor: Lorg/bouncycastle/crypto/params/ParametersWithIV;
    flags: (0x0002) ACC_PRIVATE

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

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

  private static final byte[] IV2;
    descriptor: [B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  org.bouncycastle.crypto.Digest sha1;
    descriptor: Lorg/bouncycastle/crypto/Digest;
    flags: (0x0000) 

  byte[] digest;
    descriptor: [B
    flags: (0x0000) 

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 48
            bipush 8
            newarray 8
            dup
            iconst_0
            bipush 74
            bastore
            dup
            iconst_1
            bipush -35
            bastore
            dup
            iconst_2
            bipush -94
            bastore
            dup
            iconst_3
         1: .line 49
            bipush 44
            bastore
            dup
            iconst_4
            bipush 121
            bastore
            dup
            iconst_5
            bipush -24
            bastore
            dup
            bipush 6
         2: .line 50
            bipush 33
            bastore
            dup
            bipush 7
            iconst_5
            bastore
         3: .line 48
            putstatic org.bouncycastle.crypto.engines.DESedeWrapEngine.IV2:[B
         4: .line 50
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
         0: .line 29
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 55
            aload 0 /* this */
            new org.bouncycastle.crypto.digests.SHA1Digest
            dup
            invokespecial org.bouncycastle.crypto.digests.SHA1Digest.<init>:()V
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.sha1:Lorg/bouncycastle/crypto/Digest;
         2: .line 56
            aload 0 /* this */
            bipush 20
            newarray 8
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.digest:[B
         3: .line 29
            return
        end local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/crypto/engines/DESedeWrapEngine;

  public void init(boolean, org.bouncycastle.crypto.CipherParameters);
    descriptor: (ZLorg/bouncycastle/crypto/CipherParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
        start local 1 // boolean forWrapping
        start local 2 // org.bouncycastle.crypto.CipherParameters param
         0: .line 67
            aload 0 /* this */
            iload 1 /* forWrapping */
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.forWrapping:Z
         1: .line 68
            aload 0 /* this */
            new org.bouncycastle.crypto.modes.CBCBlockCipher
            dup
            new org.bouncycastle.crypto.engines.DESedeEngine
            dup
            invokespecial org.bouncycastle.crypto.engines.DESedeEngine.<init>:()V
            invokespecial org.bouncycastle.crypto.modes.CBCBlockCipher.<init>:(Lorg/bouncycastle/crypto/BlockCipher;)V
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
         2: .line 71
            aload 2 /* param */
            instanceof org.bouncycastle.crypto.params.ParametersWithRandom
            ifeq 7
         3: .line 73
            aload 2 /* param */
            checkcast org.bouncycastle.crypto.params.ParametersWithRandom
            astore 4 /* pr */
        start local 4 // org.bouncycastle.crypto.params.ParametersWithRandom pr
         4: .line 74
            aload 4 /* pr */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithRandom.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            astore 2 /* param */
         5: .line 75
            aload 4 /* pr */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithRandom.getRandom:()Ljava/security/SecureRandom;
            astore 3 /* sr */
        end local 4 // org.bouncycastle.crypto.params.ParametersWithRandom pr
        start local 3 // java.security.SecureRandom sr
         6: .line 76
            goto 8
        end local 3 // java.security.SecureRandom sr
         7: .line 79
      StackMap locals:
      StackMap stack:
            new java.security.SecureRandom
            dup
            invokespecial java.security.SecureRandom.<init>:()V
            astore 3 /* sr */
        start local 3 // java.security.SecureRandom sr
         8: .line 82
      StackMap locals: java.security.SecureRandom
      StackMap stack:
            aload 2 /* param */
            instanceof org.bouncycastle.crypto.params.KeyParameter
            ifeq 15
         9: .line 84
            aload 0 /* this */
            aload 2 /* param */
            checkcast org.bouncycastle.crypto.params.KeyParameter
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.param:Lorg/bouncycastle/crypto/params/KeyParameter;
        10: .line 86
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.forWrapping:Z
            ifeq 25
        11: .line 91
            aload 0 /* this */
            bipush 8
            newarray 8
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
        12: .line 92
            aload 3 /* sr */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
        13: .line 94
            aload 0 /* this */
            new org.bouncycastle.crypto.params.ParametersWithIV
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.param:Lorg/bouncycastle/crypto/params/KeyParameter;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            invokespecial org.bouncycastle.crypto.params.ParametersWithIV.<init>:(Lorg/bouncycastle/crypto/CipherParameters;[B)V
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.paramPlusIV:Lorg/bouncycastle/crypto/params/ParametersWithIV;
        14: .line 96
            goto 25
        15: .line 97
      StackMap locals:
      StackMap stack:
            aload 2 /* param */
            instanceof org.bouncycastle.crypto.params.ParametersWithIV
            ifeq 25
        16: .line 99
            aload 0 /* this */
            aload 2 /* param */
            checkcast org.bouncycastle.crypto.params.ParametersWithIV
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.paramPlusIV:Lorg/bouncycastle/crypto/params/ParametersWithIV;
        17: .line 100
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.paramPlusIV:Lorg/bouncycastle/crypto/params/ParametersWithIV;
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getIV:()[B
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
        18: .line 101
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.paramPlusIV:Lorg/bouncycastle/crypto/params/ParametersWithIV;
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            checkcast org.bouncycastle.crypto.params.KeyParameter
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.param:Lorg/bouncycastle/crypto/params/KeyParameter;
        19: .line 103
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.forWrapping:Z
            ifeq 22
        20: .line 105
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            ifnull 21
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            arraylength
            bipush 8
            if_icmpeq 25
        21: .line 107
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "IV is not 8 octets"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        22: .line 112
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
        23: .line 113
            ldc "You should not supply an IV for unwrapping"
        24: .line 112
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        25: .line 116
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.security.SecureRandom sr
        end local 2 // org.bouncycastle.crypto.CipherParameters param
        end local 1 // boolean forWrapping
        end local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   26     0         this  Lorg/bouncycastle/crypto/engines/DESedeWrapEngine;
            0   26     1  forWrapping  Z
            0   26     2        param  Lorg/bouncycastle/crypto/CipherParameters;
            6    7     3           sr  Ljava/security/SecureRandom;
            8   26     3           sr  Ljava/security/SecureRandom;
            4    6     4           pr  Lorg/bouncycastle/crypto/params/ParametersWithRandom;
    MethodParameters:
             Name  Flags
      forWrapping  
      param        

  public java.lang.String getAlgorithmName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
         0: .line 125
            ldc "DESede"
            areturn
        end local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/engines/DESedeWrapEngine;

  public byte[] wrap(byte[], int, int);
    descriptor: ([BII)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=13, args_size=4
        start local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // int inLen
         0: .line 138
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.forWrapping:Z
            ifne 2
         1: .line 140
            new java.lang.IllegalStateException
            dup
            ldc "Not initialized for wrapping"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 143
      StackMap locals:
      StackMap stack:
            iload 3 /* inLen */
            newarray 8
            astore 4 /* keyToBeWrapped */
        start local 4 // byte[] keyToBeWrapped
         3: .line 145
            aload 1 /* in */
            iload 2 /* inOff */
            aload 4 /* keyToBeWrapped */
            iconst_0
            iload 3 /* inLen */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 148
            aload 0 /* this */
            aload 4 /* keyToBeWrapped */
            invokevirtual org.bouncycastle.crypto.engines.DESedeWrapEngine.calculateCMSKeyChecksum:([B)[B
            astore 5 /* CKS */
        start local 5 // byte[] CKS
         5: .line 151
            aload 4 /* keyToBeWrapped */
            arraylength
            aload 5 /* CKS */
            arraylength
            iadd
            newarray 8
            astore 6 /* WKCKS */
        start local 6 // byte[] WKCKS
         6: .line 153
            aload 4 /* keyToBeWrapped */
            iconst_0
            aload 6 /* WKCKS */
            iconst_0
            aload 4 /* keyToBeWrapped */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         7: .line 154
            aload 5 /* CKS */
            iconst_0
            aload 6 /* WKCKS */
            aload 4 /* keyToBeWrapped */
            arraylength
            aload 5 /* CKS */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         8: .line 159
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.getBlockSize:()I
            istore 7 /* blockSize */
        start local 7 // int blockSize
         9: .line 161
            aload 6 /* WKCKS */
            arraylength
            iload 7 /* blockSize */
            irem
            ifeq 11
        10: .line 163
            new java.lang.IllegalStateException
            dup
            ldc "Not multiple of block length"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 166
      StackMap locals: org.bouncycastle.crypto.engines.DESedeWrapEngine byte[] int int byte[] byte[] byte[] int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.paramPlusIV:Lorg/bouncycastle/crypto/params/ParametersWithIV;
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        12: .line 168
            aload 6 /* WKCKS */
            arraylength
            newarray 8
            astore 8 /* TEMP1 */
        start local 8 // byte[] TEMP1
        13: .line 170
            iconst_0
            istore 9 /* currentBytePos */
        start local 9 // int currentBytePos
        14: goto 17
        15: .line 172
      StackMap locals: byte[] int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            aload 6 /* WKCKS */
            iload 9 /* currentBytePos */
            aload 8 /* TEMP1 */
            iload 9 /* currentBytePos */
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.processBlock:([BI[BI)I
            pop
        16: .line 170
            iload 9 /* currentBytePos */
            iload 7 /* blockSize */
            iadd
            istore 9 /* currentBytePos */
      StackMap locals:
      StackMap stack:
        17: iload 9 /* currentBytePos */
            aload 6 /* WKCKS */
            arraylength
            if_icmpne 15
        end local 9 // int currentBytePos
        18: .line 176
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            arraylength
            aload 8 /* TEMP1 */
            arraylength
            iadd
            newarray 8
            astore 9 /* TEMP2 */
        start local 9 // byte[] TEMP2
        19: .line 178
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            iconst_0
            aload 9 /* TEMP2 */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        20: .line 179
            aload 8 /* TEMP1 */
            iconst_0
            aload 9 /* TEMP2 */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            arraylength
            aload 8 /* TEMP1 */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        21: .line 182
            aload 9 /* TEMP2 */
            invokestatic org.bouncycastle.crypto.engines.DESedeWrapEngine.reverse:([B)[B
            astore 10 /* TEMP3 */
        start local 10 // byte[] TEMP3
        22: .line 187
            new org.bouncycastle.crypto.params.ParametersWithIV
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.param:Lorg/bouncycastle/crypto/params/KeyParameter;
            getstatic org.bouncycastle.crypto.engines.DESedeWrapEngine.IV2:[B
            invokespecial org.bouncycastle.crypto.params.ParametersWithIV.<init>:(Lorg/bouncycastle/crypto/CipherParameters;[B)V
            astore 11 /* param2 */
        start local 11 // org.bouncycastle.crypto.params.ParametersWithIV param2
        23: .line 189
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            iconst_1
            aload 11 /* param2 */
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        24: .line 191
            iconst_0
            istore 12 /* currentBytePos */
        start local 12 // int currentBytePos
        25: goto 28
        26: .line 193
      StackMap locals: org.bouncycastle.crypto.engines.DESedeWrapEngine byte[] int int byte[] byte[] byte[] int byte[] byte[] byte[] org.bouncycastle.crypto.params.ParametersWithIV int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            aload 10 /* TEMP3 */
            iload 12 /* currentBytePos */
            aload 10 /* TEMP3 */
            iload 12 /* currentBytePos */
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.processBlock:([BI[BI)I
            pop
        27: .line 191
            iload 12 /* currentBytePos */
            iload 7 /* blockSize */
            iadd
            istore 12 /* currentBytePos */
      StackMap locals:
      StackMap stack:
        28: iload 12 /* currentBytePos */
            aload 10 /* TEMP3 */
            arraylength
            if_icmpne 26
        end local 12 // int currentBytePos
        29: .line 196
            aload 10 /* TEMP3 */
            areturn
        end local 11 // org.bouncycastle.crypto.params.ParametersWithIV param2
        end local 10 // byte[] TEMP3
        end local 9 // byte[] TEMP2
        end local 8 // byte[] TEMP1
        end local 7 // int blockSize
        end local 6 // byte[] WKCKS
        end local 5 // byte[] CKS
        end local 4 // byte[] keyToBeWrapped
        end local 3 // int inLen
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   30     0            this  Lorg/bouncycastle/crypto/engines/DESedeWrapEngine;
            0   30     1              in  [B
            0   30     2           inOff  I
            0   30     3           inLen  I
            3   30     4  keyToBeWrapped  [B
            5   30     5             CKS  [B
            6   30     6           WKCKS  [B
            9   30     7       blockSize  I
           13   30     8           TEMP1  [B
           14   18     9  currentBytePos  I
           19   30     9           TEMP2  [B
           22   30    10           TEMP3  [B
           23   30    11          param2  Lorg/bouncycastle/crypto/params/ParametersWithIV;
           25   29    12  currentBytePos  I
    MethodParameters:
       Name  Flags
      in     
      inOff  
      inLen  

  public byte[] unwrap(byte[], int, int);
    descriptor: ([BII)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=12, args_size=4
        start local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // int inLen
         0: .line 211
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.forWrapping:Z
            ifeq 2
         1: .line 213
            new java.lang.IllegalStateException
            dup
            ldc "Not set for unwrapping"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 216
      StackMap locals:
      StackMap stack:
            aload 1 /* in */
            ifnonnull 4
         3: .line 218
            new org.bouncycastle.crypto.InvalidCipherTextException
            dup
            ldc "Null pointer as ciphertext"
            invokespecial org.bouncycastle.crypto.InvalidCipherTextException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 221
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.getBlockSize:()I
            istore 4 /* blockSize */
        start local 4 // int blockSize
         5: .line 222
            iload 3 /* inLen */
            iload 4 /* blockSize */
            irem
            ifeq 7
         6: .line 224
            new org.bouncycastle.crypto.InvalidCipherTextException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Ciphertext not multiple of "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 4 /* blockSize */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial org.bouncycastle.crypto.InvalidCipherTextException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 245
      StackMap locals: int
      StackMap stack:
            new org.bouncycastle.crypto.params.ParametersWithIV
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.param:Lorg/bouncycastle/crypto/params/KeyParameter;
            getstatic org.bouncycastle.crypto.engines.DESedeWrapEngine.IV2:[B
            invokespecial org.bouncycastle.crypto.params.ParametersWithIV.<init>:(Lorg/bouncycastle/crypto/CipherParameters;[B)V
            astore 5 /* param2 */
        start local 5 // org.bouncycastle.crypto.params.ParametersWithIV param2
         8: .line 247
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            iconst_0
            aload 5 /* param2 */
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
         9: .line 249
            iload 3 /* inLen */
            newarray 8
            astore 6 /* TEMP3 */
        start local 6 // byte[] TEMP3
        10: .line 251
            iconst_0
            istore 7 /* currentBytePos */
        start local 7 // int currentBytePos
        11: goto 14
        12: .line 253
      StackMap locals: org.bouncycastle.crypto.params.ParametersWithIV byte[] int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            aload 1 /* in */
            iload 2 /* inOff */
            iload 7 /* currentBytePos */
            iadd
            aload 6 /* TEMP3 */
            iload 7 /* currentBytePos */
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.processBlock:([BI[BI)I
            pop
        13: .line 251
            iload 7 /* currentBytePos */
            iload 4 /* blockSize */
            iadd
            istore 7 /* currentBytePos */
      StackMap locals:
      StackMap stack:
        14: iload 7 /* currentBytePos */
            iload 3 /* inLen */
            if_icmpne 12
        end local 7 // int currentBytePos
        15: .line 257
            aload 6 /* TEMP3 */
            invokestatic org.bouncycastle.crypto.engines.DESedeWrapEngine.reverse:([B)[B
            astore 7 /* TEMP2 */
        start local 7 // byte[] TEMP2
        16: .line 260
            aload 0 /* this */
            bipush 8
            newarray 8
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
        17: .line 262
            aload 7 /* TEMP2 */
            arraylength
            bipush 8
            isub
            newarray 8
            astore 8 /* TEMP1 */
        start local 8 // byte[] TEMP1
        18: .line 264
            aload 7 /* TEMP2 */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            iconst_0
            bipush 8
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        19: .line 265
            aload 7 /* TEMP2 */
            bipush 8
            aload 8 /* TEMP1 */
            iconst_0
            aload 7 /* TEMP2 */
            arraylength
            bipush 8
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        20: .line 269
            aload 0 /* this */
            new org.bouncycastle.crypto.params.ParametersWithIV
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.param:Lorg/bouncycastle/crypto/params/KeyParameter;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.iv:[B
            invokespecial org.bouncycastle.crypto.params.ParametersWithIV.<init>:(Lorg/bouncycastle/crypto/CipherParameters;[B)V
            putfield org.bouncycastle.crypto.engines.DESedeWrapEngine.paramPlusIV:Lorg/bouncycastle/crypto/params/ParametersWithIV;
        21: .line 271
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.paramPlusIV:Lorg/bouncycastle/crypto/params/ParametersWithIV;
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        22: .line 273
            aload 8 /* TEMP1 */
            arraylength
            newarray 8
            astore 9 /* WKCKS */
        start local 9 // byte[] WKCKS
        23: .line 275
            iconst_0
            istore 10 /* currentBytePos */
        start local 10 // int currentBytePos
        24: goto 27
        25: .line 277
      StackMap locals: org.bouncycastle.crypto.engines.DESedeWrapEngine byte[] int int int org.bouncycastle.crypto.params.ParametersWithIV byte[] byte[] byte[] byte[] int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.engine:Lorg/bouncycastle/crypto/modes/CBCBlockCipher;
            aload 8 /* TEMP1 */
            iload 10 /* currentBytePos */
            aload 9 /* WKCKS */
            iload 10 /* currentBytePos */
            invokevirtual org.bouncycastle.crypto.modes.CBCBlockCipher.processBlock:([BI[BI)I
            pop
        26: .line 275
            iload 10 /* currentBytePos */
            iload 4 /* blockSize */
            iadd
            istore 10 /* currentBytePos */
      StackMap locals:
      StackMap stack:
        27: iload 10 /* currentBytePos */
            aload 9 /* WKCKS */
            arraylength
            if_icmpne 25
        end local 10 // int currentBytePos
        28: .line 282
            aload 9 /* WKCKS */
            arraylength
            bipush 8
            isub
            newarray 8
            astore 10 /* result */
        start local 10 // byte[] result
        29: .line 283
            bipush 8
            newarray 8
            astore 11 /* CKStoBeVerified */
        start local 11 // byte[] CKStoBeVerified
        30: .line 285
            aload 9 /* WKCKS */
            iconst_0
            aload 10 /* result */
            iconst_0
            aload 9 /* WKCKS */
            arraylength
            bipush 8
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        31: .line 286
            aload 9 /* WKCKS */
            aload 9 /* WKCKS */
            arraylength
            bipush 8
            isub
            aload 11 /* CKStoBeVerified */
            iconst_0
            bipush 8
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        32: .line 290
            aload 0 /* this */
            aload 10 /* result */
            aload 11 /* CKStoBeVerified */
            invokevirtual org.bouncycastle.crypto.engines.DESedeWrapEngine.checkCMSKeyChecksum:([B[B)Z
            ifne 36
        33: .line 292
            new org.bouncycastle.crypto.InvalidCipherTextException
            dup
        34: .line 293
            ldc "Checksum inside ciphertext is corrupted"
        35: .line 292
            invokespecial org.bouncycastle.crypto.InvalidCipherTextException.<init>:(Ljava/lang/String;)V
            athrow
        36: .line 297
      StackMap locals: org.bouncycastle.crypto.engines.DESedeWrapEngine byte[] int int int org.bouncycastle.crypto.params.ParametersWithIV byte[] byte[] byte[] byte[] byte[] byte[]
      StackMap stack:
            aload 10 /* result */
            areturn
        end local 11 // byte[] CKStoBeVerified
        end local 10 // byte[] result
        end local 9 // byte[] WKCKS
        end local 8 // byte[] TEMP1
        end local 7 // byte[] TEMP2
        end local 6 // byte[] TEMP3
        end local 5 // org.bouncycastle.crypto.params.ParametersWithIV param2
        end local 4 // int blockSize
        end local 3 // int inLen
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   37     0             this  Lorg/bouncycastle/crypto/engines/DESedeWrapEngine;
            0   37     1               in  [B
            0   37     2            inOff  I
            0   37     3            inLen  I
            5   37     4        blockSize  I
            8   37     5           param2  Lorg/bouncycastle/crypto/params/ParametersWithIV;
           10   37     6            TEMP3  [B
           11   15     7   currentBytePos  I
           16   37     7            TEMP2  [B
           18   37     8            TEMP1  [B
           23   37     9            WKCKS  [B
           24   28    10   currentBytePos  I
           29   37    10           result  [B
           30   37    11  CKStoBeVerified  [B
    Exceptions:
      throws org.bouncycastle.crypto.InvalidCipherTextException
    MethodParameters:
       Name  Flags
      in     
      inOff  
      inLen  

  private byte[] calculateCMSKeyChecksum(byte[]);
    descriptor: ([B)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
        start local 1 // byte[] key
         0: .line 316
            bipush 8
            newarray 8
            astore 2 /* result */
        start local 2 // byte[] result
         1: .line 318
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.sha1:Lorg/bouncycastle/crypto/Digest;
            aload 1 /* key */
            iconst_0
            aload 1 /* key */
            arraylength
            invokeinterface org.bouncycastle.crypto.Digest.update:([BII)V
         2: .line 319
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.sha1:Lorg/bouncycastle/crypto/Digest;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.digest:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.Digest.doFinal:([BI)I
            pop
         3: .line 321
            aload 0 /* this */
            getfield org.bouncycastle.crypto.engines.DESedeWrapEngine.digest:[B
            iconst_0
            aload 2 /* result */
            iconst_0
            bipush 8
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 323
            aload 2 /* result */
            areturn
        end local 2 // byte[] result
        end local 1 // byte[] key
        end local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/bouncycastle/crypto/engines/DESedeWrapEngine;
            0    5     1     key  [B
            1    5     2  result  [B
    MethodParameters:
      Name  Flags
      key   

  private boolean checkCMSKeyChecksum(byte[], byte[]);
    descriptor: ([B[B)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
        start local 1 // byte[] key
        start local 2 // byte[] checksum
         0: .line 336
            aload 0 /* this */
            aload 1 /* key */
            invokevirtual org.bouncycastle.crypto.engines.DESedeWrapEngine.calculateCMSKeyChecksum:([B)[B
            aload 2 /* checksum */
            invokestatic org.bouncycastle.util.Arrays.constantTimeAreEqual:([B[B)Z
            ireturn
        end local 2 // byte[] checksum
        end local 1 // byte[] key
        end local 0 // org.bouncycastle.crypto.engines.DESedeWrapEngine this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Lorg/bouncycastle/crypto/engines/DESedeWrapEngine;
            0    1     1       key  [B
            0    1     2  checksum  [B
    MethodParameters:
          Name  Flags
      key       
      checksum  

  private static byte[] reverse(byte[]);
    descriptor: ([B)[B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=3, args_size=1
        start local 0 // byte[] bs
         0: .line 341
            aload 0 /* bs */
            arraylength
            newarray 8
            astore 1 /* result */
        start local 1 // byte[] result
         1: .line 342
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         2: goto 5
         3: .line 344
      StackMap locals: byte[] int
      StackMap stack:
            aload 1 /* result */
            iload 2 /* i */
            aload 0 /* bs */
            aload 0 /* bs */
            arraylength
            iload 2 /* i */
            iconst_1
            iadd
            isub
            baload
            bastore
         4: .line 342
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         5: iload 2 /* i */
            aload 0 /* bs */
            arraylength
            if_icmplt 3
        end local 2 // int i
         6: .line 346
            aload 1 /* result */
            areturn
        end local 1 // byte[] result
        end local 0 // byte[] bs
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0      bs  [B
            1    7     1  result  [B
            2    6     2       i  I
    MethodParameters:
      Name  Flags
      bs    
}
SourceFile: "DESedeWrapEngine.java"