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.macs.ISO9797Alg3Mac implements org.bouncycastle.crypto.Mac
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.crypto.macs.ISO9797Alg3Mac
  super_class: java.lang.Object
{
  private byte[] mac;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

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

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

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

  private org.bouncycastle.crypto.paddings.BlockCipherPadding padding;
    descriptor: Lorg/bouncycastle/crypto/paddings/BlockCipherPadding;
    flags: (0x0002) ACC_PRIVATE

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

  private org.bouncycastle.crypto.params.KeyParameter lastKey2;
    descriptor: Lorg/bouncycastle/crypto/params/KeyParameter;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.crypto.params.KeyParameter lastKey3;
    descriptor: Lorg/bouncycastle/crypto/params/KeyParameter;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.crypto.BlockCipher);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // org.bouncycastle.crypto.BlockCipher cipher
         0: .line 43
            aload 0 /* this */
            aload 1 /* cipher */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            bipush 8
            imul
            aconst_null
            invokespecial org.bouncycastle.crypto.macs.ISO9797Alg3Mac.<init>:(Lorg/bouncycastle/crypto/BlockCipher;ILorg/bouncycastle/crypto/paddings/BlockCipherPadding;)V
         1: .line 44
            return
        end local 1 // org.bouncycastle.crypto.BlockCipher cipher
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0    2     1  cipher  Lorg/bouncycastle/crypto/BlockCipher;
    MethodParameters:
        Name  Flags
      cipher  

  public void <init>(org.bouncycastle.crypto.BlockCipher, org.bouncycastle.crypto.paddings.BlockCipherPadding);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;Lorg/bouncycastle/crypto/paddings/BlockCipherPadding;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // org.bouncycastle.crypto.BlockCipher cipher
        start local 2 // org.bouncycastle.crypto.paddings.BlockCipherPadding padding
         0: .line 57
            aload 0 /* this */
            aload 1 /* cipher */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            bipush 8
            imul
            aload 2 /* padding */
            invokespecial org.bouncycastle.crypto.macs.ISO9797Alg3Mac.<init>:(Lorg/bouncycastle/crypto/BlockCipher;ILorg/bouncycastle/crypto/paddings/BlockCipherPadding;)V
         1: .line 58
            return
        end local 2 // org.bouncycastle.crypto.paddings.BlockCipherPadding padding
        end local 1 // org.bouncycastle.crypto.BlockCipher cipher
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0    2     1   cipher  Lorg/bouncycastle/crypto/BlockCipher;
            0    2     2  padding  Lorg/bouncycastle/crypto/paddings/BlockCipherPadding;
    MethodParameters:
         Name  Flags
      cipher   
      padding  

  public void <init>(org.bouncycastle.crypto.BlockCipher, int);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // org.bouncycastle.crypto.BlockCipher cipher
        start local 2 // int macSizeInBits
         0: .line 77
            aload 0 /* this */
            aload 1 /* cipher */
            iload 2 /* macSizeInBits */
            aconst_null
            invokespecial org.bouncycastle.crypto.macs.ISO9797Alg3Mac.<init>:(Lorg/bouncycastle/crypto/BlockCipher;ILorg/bouncycastle/crypto/paddings/BlockCipherPadding;)V
         1: .line 78
            return
        end local 2 // int macSizeInBits
        end local 1 // org.bouncycastle.crypto.BlockCipher cipher
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    2     0           this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0    2     1         cipher  Lorg/bouncycastle/crypto/BlockCipher;
            0    2     2  macSizeInBits  I
    MethodParameters:
               Name  Flags
      cipher         
      macSizeInBits  

  public void <init>(org.bouncycastle.crypto.BlockCipher, int, org.bouncycastle.crypto.paddings.BlockCipherPadding);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;ILorg/bouncycastle/crypto/paddings/BlockCipherPadding;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // org.bouncycastle.crypto.BlockCipher cipher
        start local 2 // int macSizeInBits
        start local 3 // org.bouncycastle.crypto.paddings.BlockCipherPadding padding
         0: .line 95
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 100
            iload 2 /* macSizeInBits */
            bipush 8
            irem
            ifeq 3
         2: .line 102
            new java.lang.IllegalArgumentException
            dup
            ldc "MAC size must be multiple of 8"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 105
      StackMap locals: org.bouncycastle.crypto.macs.ISO9797Alg3Mac org.bouncycastle.crypto.BlockCipher int org.bouncycastle.crypto.paddings.BlockCipherPadding
      StackMap stack:
            aload 1 /* cipher */
            instanceof org.bouncycastle.crypto.engines.DESEngine
            ifne 5
         4: .line 107
            new java.lang.IllegalArgumentException
            dup
            ldc "cipher must be instance of DESEngine"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 110
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new org.bouncycastle.crypto.modes.CBCBlockCipher
            dup
            aload 1 /* cipher */
            invokespecial org.bouncycastle.crypto.modes.CBCBlockCipher.<init>:(Lorg/bouncycastle/crypto/BlockCipher;)V
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
         6: .line 111
            aload 0 /* this */
            aload 3 /* padding */
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.padding:Lorg/bouncycastle/crypto/paddings/BlockCipherPadding;
         7: .line 112
            aload 0 /* this */
            iload 2 /* macSizeInBits */
            bipush 8
            idiv
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.macSize:I
         8: .line 114
            aload 0 /* this */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            newarray 8
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
         9: .line 116
            aload 0 /* this */
            aload 1 /* cipher */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            newarray 8
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
        10: .line 117
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
        11: .line 118
            return
        end local 3 // org.bouncycastle.crypto.paddings.BlockCipherPadding padding
        end local 2 // int macSizeInBits
        end local 1 // org.bouncycastle.crypto.BlockCipher cipher
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   12     0           this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0   12     1         cipher  Lorg/bouncycastle/crypto/BlockCipher;
            0   12     2  macSizeInBits  I
            0   12     3        padding  Lorg/bouncycastle/crypto/paddings/BlockCipherPadding;
    MethodParameters:
               Name  Flags
      cipher         
      macSizeInBits  
      padding        

  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.macs.ISO9797Alg3Mac this
         0: .line 122
            ldc "ISO9797Alg3"
            areturn
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;

  public void init(org.bouncycastle.crypto.CipherParameters);
    descriptor: (Lorg/bouncycastle/crypto/CipherParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=2
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // org.bouncycastle.crypto.CipherParameters params
         0: .line 127
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.macs.ISO9797Alg3Mac.reset:()V
         1: .line 129
            aload 1 /* params */
            instanceof org.bouncycastle.crypto.params.KeyParameter
            ifne 5
            aload 1 /* params */
            instanceof org.bouncycastle.crypto.params.ParametersWithIV
            ifne 5
         2: .line 131
            new java.lang.IllegalArgumentException
            dup
         3: .line 132
            ldc "params must be an instance of KeyParameter or ParametersWithIV"
         4: .line 131
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 141
      StackMap locals:
      StackMap stack:
            aload 1 /* params */
            instanceof org.bouncycastle.crypto.params.KeyParameter
            ifeq 8
         6: .line 143
            aload 1 /* params */
            checkcast org.bouncycastle.crypto.params.KeyParameter
            astore 2 /* kp */
        start local 2 // org.bouncycastle.crypto.params.KeyParameter kp
         7: .line 144
            goto 9
        end local 2 // org.bouncycastle.crypto.params.KeyParameter kp
         8: .line 147
      StackMap locals:
      StackMap stack:
            aload 1 /* params */
            checkcast org.bouncycastle.crypto.params.ParametersWithIV
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            checkcast org.bouncycastle.crypto.params.KeyParameter
            astore 2 /* kp */
        start local 2 // org.bouncycastle.crypto.params.KeyParameter kp
         9: .line 151
      StackMap locals: org.bouncycastle.crypto.params.KeyParameter
      StackMap stack:
            aload 2 /* kp */
            invokevirtual org.bouncycastle.crypto.params.KeyParameter.getKey:()[B
            astore 4 /* keyvalue */
        start local 4 // byte[] keyvalue
        10: .line 153
            aload 4 /* keyvalue */
            arraylength
            bipush 16
            if_icmpne 15
        11: .line 155
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 4 /* keyvalue */
            iconst_0
            bipush 8
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([BII)V
            astore 3 /* key1 */
        start local 3 // org.bouncycastle.crypto.params.KeyParameter key1
        12: .line 156
            aload 0 /* this */
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 4 /* keyvalue */
            bipush 8
            bipush 8
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([BII)V
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.lastKey2:Lorg/bouncycastle/crypto/params/KeyParameter;
        13: .line 157
            aload 0 /* this */
            aload 3 /* key1 */
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.lastKey3:Lorg/bouncycastle/crypto/params/KeyParameter;
        14: .line 158
            goto 23
        end local 3 // org.bouncycastle.crypto.params.KeyParameter key1
        15: .line 159
      StackMap locals: org.bouncycastle.crypto.macs.ISO9797Alg3Mac org.bouncycastle.crypto.CipherParameters org.bouncycastle.crypto.params.KeyParameter top byte[]
      StackMap stack:
            aload 4 /* keyvalue */
            arraylength
            bipush 24
            if_icmpne 20
        16: .line 161
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 4 /* keyvalue */
            iconst_0
            bipush 8
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([BII)V
            astore 3 /* key1 */
        start local 3 // org.bouncycastle.crypto.params.KeyParameter key1
        17: .line 162
            aload 0 /* this */
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 4 /* keyvalue */
            bipush 8
            bipush 8
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([BII)V
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.lastKey2:Lorg/bouncycastle/crypto/params/KeyParameter;
        18: .line 163
            aload 0 /* this */
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 4 /* keyvalue */
            bipush 16
            bipush 8
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([BII)V
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.lastKey3:Lorg/bouncycastle/crypto/params/KeyParameter;
        19: .line 164
            goto 23
        end local 3 // org.bouncycastle.crypto.params.KeyParameter key1
        20: .line 167
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
        21: .line 168
            ldc "Key must be either 112 or 168 bit long"
        22: .line 167
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        start local 3 // org.bouncycastle.crypto.params.KeyParameter key1
        23: .line 171
      StackMap locals: org.bouncycastle.crypto.macs.ISO9797Alg3Mac org.bouncycastle.crypto.CipherParameters org.bouncycastle.crypto.params.KeyParameter org.bouncycastle.crypto.params.KeyParameter byte[]
      StackMap stack:
            aload 1 /* params */
            instanceof org.bouncycastle.crypto.params.ParametersWithIV
            ifeq 26
        24: .line 173
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            iconst_1
            new org.bouncycastle.crypto.params.ParametersWithIV
            dup
            aload 3 /* key1 */
            aload 1 /* params */
            checkcast org.bouncycastle.crypto.params.ParametersWithIV
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getIV:()[B
            invokespecial org.bouncycastle.crypto.params.ParametersWithIV.<init>:(Lorg/bouncycastle/crypto/CipherParameters;[B)V
            invokeinterface org.bouncycastle.crypto.BlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        25: .line 174
            goto 27
        26: .line 177
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            iconst_1
            aload 3 /* key1 */
            invokeinterface org.bouncycastle.crypto.BlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        27: .line 179
      StackMap locals:
      StackMap stack:
            return
        end local 4 // byte[] keyvalue
        end local 3 // org.bouncycastle.crypto.params.KeyParameter key1
        end local 2 // org.bouncycastle.crypto.params.KeyParameter kp
        end local 1 // org.bouncycastle.crypto.CipherParameters params
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   28     0      this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0   28     1    params  Lorg/bouncycastle/crypto/CipherParameters;
            7    8     2        kp  Lorg/bouncycastle/crypto/params/KeyParameter;
            9   28     2        kp  Lorg/bouncycastle/crypto/params/KeyParameter;
           12   15     3      key1  Lorg/bouncycastle/crypto/params/KeyParameter;
           17   20     3      key1  Lorg/bouncycastle/crypto/params/KeyParameter;
           23   28     3      key1  Lorg/bouncycastle/crypto/params/KeyParameter;
           10   28     4  keyvalue  [B
    MethodParameters:
        Name  Flags
      params  

  public int getMacSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
         0: .line 183
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.macSize:I
            ireturn
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;

  public void update(byte);
    descriptor: (B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // byte in
         0: .line 189
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            arraylength
            if_icmpne 3
         1: .line 191
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
         2: .line 192
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
         3: .line 195
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            dup_x1
            iconst_1
            iadd
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iload 1 /* in */
            bastore
         4: .line 196
            return
        end local 1 // byte in
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0    5     1    in  B
    MethodParameters:
      Name  Flags
      in    

  public void update(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=4
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // int len
         0: .line 204
            iload 3 /* len */
            ifge 2
         1: .line 206
            new java.lang.IllegalArgumentException
            dup
            ldc "Can't have a negative input length!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 209
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            istore 4 /* blockSize */
        start local 4 // int blockSize
         3: .line 211
            iload 4 /* blockSize */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            isub
            istore 5 /* gapLen */
        start local 5 // int gapLen
         4: .line 213
            iload 3 /* len */
            iload 5 /* gapLen */
            if_icmple 15
         5: .line 215
            aload 1 /* in */
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iload 5 /* gapLen */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 217
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
         7: .line 219
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
         8: .line 220
            iload 3 /* len */
            iload 5 /* gapLen */
            isub
            istore 3 /* len */
         9: .line 221
            iload 2 /* inOff */
            iload 5 /* gapLen */
            iadd
            istore 2 /* inOff */
        10: .line 223
            goto 14
        11: .line 225
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 1 /* in */
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        12: .line 227
            iload 3 /* len */
            iload 4 /* blockSize */
            isub
            istore 3 /* len */
        13: .line 228
            iload 2 /* inOff */
            iload 4 /* blockSize */
            iadd
            istore 2 /* inOff */
        14: .line 223
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            iload 4 /* blockSize */
            if_icmpgt 11
        15: .line 232
      StackMap locals:
      StackMap stack:
            aload 1 /* in */
            iload 2 /* inOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iload 3 /* len */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        16: .line 234
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iload 3 /* len */
            iadd
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
        17: .line 235
            return
        end local 5 // int gapLen
        end local 4 // int blockSize
        end local 3 // int len
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   18     0       this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0   18     1         in  [B
            0   18     2      inOff  I
            0   18     3        len  I
            3   18     4  blockSize  I
            4   18     5     gapLen  I
    MethodParameters:
       Name  Flags
      in     
      inOff  
      len    

  public int doFinal(byte[], int);
    descriptor: ([BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
        start local 1 // byte[] out
        start local 2 // int outOff
         0: .line 241
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            istore 3 /* blockSize */
        start local 3 // int blockSize
         1: .line 243
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.padding:Lorg/bouncycastle/crypto/paddings/BlockCipherPadding;
            ifnonnull 7
         2: .line 248
            goto 5
         3: .line 250
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iconst_0
            bastore
         4: .line 251
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iconst_1
            iadd
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
         5: .line 248
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iload 3 /* blockSize */
            if_icmplt 3
         6: .line 253
            goto 11
         7: .line 256
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            iload 3 /* blockSize */
            if_icmpne 10
         8: .line 258
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
         9: .line 259
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
        10: .line 262
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.padding:Lorg/bouncycastle/crypto/paddings/BlockCipherPadding;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
            invokeinterface org.bouncycastle.crypto.paddings.BlockCipherPadding.addPadding:([BI)I
            pop
        11: .line 265
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        12: .line 268
            new org.bouncycastle.crypto.engines.DESEngine
            dup
            invokespecial org.bouncycastle.crypto.engines.DESEngine.<init>:()V
            astore 4 /* deseng */
        start local 4 // org.bouncycastle.crypto.engines.DESEngine deseng
        13: .line 270
            aload 4 /* deseng */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.lastKey2:Lorg/bouncycastle/crypto/params/KeyParameter;
            invokevirtual org.bouncycastle.crypto.engines.DESEngine.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        14: .line 271
            aload 4 /* deseng */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            invokevirtual org.bouncycastle.crypto.engines.DESEngine.processBlock:([BI[BI)I
            pop
        15: .line 273
            aload 4 /* deseng */
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.lastKey3:Lorg/bouncycastle/crypto/params/KeyParameter;
            invokevirtual org.bouncycastle.crypto.engines.DESEngine.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        16: .line 274
            aload 4 /* deseng */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            invokevirtual org.bouncycastle.crypto.engines.DESEngine.processBlock:([BI[BI)I
            pop
        17: .line 277
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.mac:[B
            iconst_0
            aload 1 /* out */
            iload 2 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.macSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        18: .line 279
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.macs.ISO9797Alg3Mac.reset:()V
        19: .line 281
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.macSize:I
            ireturn
        end local 4 // org.bouncycastle.crypto.engines.DESEngine deseng
        end local 3 // int blockSize
        end local 2 // int outOff
        end local 1 // byte[] out
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   20     0       this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            0   20     1        out  [B
            0   20     2     outOff  I
            1   20     3  blockSize  I
           13   20     4     deseng  Lorg/bouncycastle/crypto/engines/DESEngine;
    MethodParameters:
        Name  Flags
      out     
      outOff  

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
         0: .line 293
            iconst_0
            istore 1 /* i */
        start local 1 // int i
         1: goto 4
         2: .line 295
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            iload 1 /* i */
            iconst_0
            bastore
         3: .line 293
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
         4: iload 1 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.buf:[B
            arraylength
            if_icmplt 2
        end local 1 // int i
         5: .line 298
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.bufOff:I
         6: .line 303
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.ISO9797Alg3Mac.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.reset:()V
         7: .line 304
            return
        end local 0 // org.bouncycastle.crypto.macs.ISO9797Alg3Mac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/bouncycastle/crypto/macs/ISO9797Alg3Mac;
            1    5     1     i  I
}
SourceFile: "ISO9797Alg3Mac.java"