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

  private byte n;
    descriptor: B
    flags: (0x0002) ACC_PRIVATE

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

  private byte s;
    descriptor: B
    flags: (0x0002) ACC_PRIVATE

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

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

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

  private byte x1;
    descriptor: B
    flags: (0x0002) ACC_PRIVATE

  private byte x2;
    descriptor: B
    flags: (0x0002) ACC_PRIVATE

  private byte x3;
    descriptor: B
    flags: (0x0002) ACC_PRIVATE

  private byte x4;
    descriptor: B
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
         0: .line 9
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 13
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.VMPCMac.n:B
         2: .line 14
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
         3: .line 15
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
         4: .line 9
            return
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/bouncycastle/crypto/macs/VMPCMac;

  public int doFinal(byte[], int);
    descriptor: ([BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=6, args_size=3
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
        start local 1 // byte[] out
        start local 2 // int outOff
         0: .line 28
            iconst_1
            istore 3 /* r */
        start local 3 // int r
         1: goto 17
         2: .line 30
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            sipush 255
            iand
            baload
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
         3: .line 32
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x4:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
            iadd
            iload 3 /* r */
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x4:B
         4: .line 33
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
            iadd
            iload 3 /* r */
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
         5: .line 34
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
            iadd
            iload 3 /* r */
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
         6: .line 35
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            iadd
            iload 3 /* r */
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
         7: .line 36
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
            ixor
            i2b
            bastore
         8: .line 37
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_1
            iadd
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_1
            iadd
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
            ixor
            i2b
            bastore
         9: .line 38
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_2
            iadd
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_2
            iadd
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
            ixor
            i2b
            bastore
        10: .line 39
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_3
            iadd
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_3
            iadd
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x4:B
            ixor
            i2b
            bastore
        11: .line 40
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_4
            iadd
            bipush 31
            iand
            i2b
            putfield org.bouncycastle.crypto.macs.VMPCMac.g:B
        12: .line 42
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            sipush 255
            iand
            baload
            istore 4 /* temp */
        start local 4 // byte temp
        13: .line 43
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            sipush 255
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            bastore
        14: .line 44
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            iload 4 /* temp */
            bastore
        15: .line 45
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            iconst_1
            iadd
            sipush 255
            iand
            i2b
            putfield org.bouncycastle.crypto.macs.VMPCMac.n:B
        end local 4 // byte temp
        16: .line 28
            iinc 3 /* r */ 1
      StackMap locals:
      StackMap stack:
        17: iload 3 /* r */
            bipush 25
            if_icmplt 2
        end local 3 // int r
        18: .line 49
            iconst_0
            istore 3 /* m */
        start local 3 // int m
        19: goto 25
        20: .line 51
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            baload
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            iload 3 /* m */
            bipush 31
            iand
            baload
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
        21: .line 52
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            baload
            istore 4 /* temp */
        start local 4 // byte temp
        22: .line 53
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            bastore
        23: .line 54
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            iload 4 /* temp */
            bastore
        end local 4 // byte temp
        24: .line 49
            iinc 3 /* m */ 1
      StackMap locals:
      StackMap stack:
        25: iload 3 /* m */
            sipush 768
            if_icmplt 20
        end local 3 // int m
        26: .line 58
            bipush 20
            newarray 8
            astore 3 /* M */
        start local 3 // byte[] M
        27: .line 59
            iconst_0
            istore 4 /* i */
        start local 4 // int i
        28: goto 35
        29: .line 61
      StackMap locals: org.bouncycastle.crypto.macs.VMPCMac byte[] int byte[] int
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 4 /* i */
            sipush 255
            iand
            baload
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
        30: .line 62
            aload 3 /* M */
            iload 4 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            sipush 255
            iand
            baload
            iconst_1
            iadd
            sipush 255
            iand
            baload
            bastore
        31: .line 64
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 4 /* i */
            sipush 255
            iand
            baload
            istore 5 /* temp */
        start local 5 // byte temp
        32: .line 65
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 4 /* i */
            sipush 255
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            bastore
        33: .line 66
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            iload 5 /* temp */
            bastore
        end local 5 // byte temp
        34: .line 59
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        35: iload 4 /* i */
            bipush 20
            if_icmplt 29
        end local 4 // int i
        36: .line 69
            aload 3 /* M */
            iconst_0
            aload 1 /* out */
            iload 2 /* outOff */
            aload 3 /* M */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        37: .line 70
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.macs.VMPCMac.reset:()V
        38: .line 72
            aload 3 /* M */
            arraylength
            ireturn
        end local 3 // byte[] M
        end local 2 // int outOff
        end local 1 // byte[] out
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   39     0    this  Lorg/bouncycastle/crypto/macs/VMPCMac;
            0   39     1     out  [B
            0   39     2  outOff  I
            1   18     3       r  I
           13   16     4    temp  B
           19   26     3       m  I
           22   24     4    temp  B
           27   39     3       M  [B
           28   36     4       i  I
           32   34     5    temp  B
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      out     
      outOff  

  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.VMPCMac this
         0: .line 77
            ldc "VMPC-MAC"
            areturn
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/macs/VMPCMac;

  public int getMacSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
         0: .line 82
            bipush 20
            ireturn
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/macs/VMPCMac;

  public void init(org.bouncycastle.crypto.CipherParameters);
    descriptor: (Lorg/bouncycastle/crypto/CipherParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
        start local 1 // org.bouncycastle.crypto.CipherParameters params
         0: .line 87
            aload 1 /* params */
            instanceof org.bouncycastle.crypto.params.ParametersWithIV
            ifne 4
         1: .line 89
            new java.lang.IllegalArgumentException
            dup
         2: .line 90
            ldc "VMPC-MAC Init parameters must include an IV"
         3: .line 89
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 93
      StackMap locals:
      StackMap stack:
            aload 1 /* params */
            checkcast org.bouncycastle.crypto.params.ParametersWithIV
            astore 2 /* ivParams */
        start local 2 // org.bouncycastle.crypto.params.ParametersWithIV ivParams
         5: .line 94
            aload 2 /* ivParams */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            checkcast org.bouncycastle.crypto.params.KeyParameter
            astore 3 /* key */
        start local 3 // org.bouncycastle.crypto.params.KeyParameter key
         6: .line 96
            aload 2 /* ivParams */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            instanceof org.bouncycastle.crypto.params.KeyParameter
            ifne 10
         7: .line 98
            new java.lang.IllegalArgumentException
            dup
         8: .line 99
            ldc "VMPC-MAC Init parameters must include a key"
         9: .line 98
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 102
      StackMap locals: org.bouncycastle.crypto.params.ParametersWithIV org.bouncycastle.crypto.params.KeyParameter
      StackMap stack:
            aload 0 /* this */
            aload 2 /* ivParams */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getIV:()[B
            putfield org.bouncycastle.crypto.macs.VMPCMac.workingIV:[B
        11: .line 104
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.workingIV:[B
            ifnull 12
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.workingIV:[B
            arraylength
            iconst_1
            if_icmplt 12
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.workingIV:[B
            arraylength
            sipush 768
            if_icmple 15
        12: .line 106
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
        13: .line 107
            ldc "VMPC-MAC requires 1 to 768 bytes of IV"
        14: .line 106
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        15: .line 110
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 3 /* key */
            invokevirtual org.bouncycastle.crypto.params.KeyParameter.getKey:()[B
            putfield org.bouncycastle.crypto.macs.VMPCMac.workingKey:[B
        16: .line 112
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.macs.VMPCMac.reset:()V
        17: .line 114
            return
        end local 3 // org.bouncycastle.crypto.params.KeyParameter key
        end local 2 // org.bouncycastle.crypto.params.ParametersWithIV ivParams
        end local 1 // org.bouncycastle.crypto.CipherParameters params
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   18     0      this  Lorg/bouncycastle/crypto/macs/VMPCMac;
            0   18     1    params  Lorg/bouncycastle/crypto/CipherParameters;
            5   18     2  ivParams  Lorg/bouncycastle/crypto/params/ParametersWithIV;
            6   18     3       key  Lorg/bouncycastle/crypto/params/KeyParameter;
    Exceptions:
      throws java.lang.IllegalArgumentException
    MethodParameters:
        Name  Flags
      params  

  private void initKey(byte[], byte[]);
    descriptor: ([B[B)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
        start local 1 // byte[] keyBytes
        start local 2 // byte[] ivBytes
         0: .line 118
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
         1: .line 119
            aload 0 /* this */
            sipush 256
            newarray 8
            putfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
         2: .line 120
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         3: goto 6
         4: .line 122
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* i */
            iload 3 /* i */
            i2b
            bastore
         5: .line 120
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 3 /* i */
            sipush 256
            if_icmplt 4
        end local 3 // int i
         7: .line 124
            iconst_0
            istore 3 /* m */
        start local 3 // int m
         8: goto 14
         9: .line 126
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            baload
            iadd
            aload 1 /* keyBytes */
            iload 3 /* m */
            aload 1 /* keyBytes */
            arraylength
            irem
            baload
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
        10: .line 127
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            baload
            istore 4 /* temp */
        start local 4 // byte temp
        11: .line 128
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            bastore
        12: .line 129
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            iload 4 /* temp */
            bastore
        end local 4 // byte temp
        13: .line 124
            iinc 3 /* m */ 1
      StackMap locals:
      StackMap stack:
        14: iload 3 /* m */
            sipush 768
            if_icmplt 9
        end local 3 // int m
        15: .line 131
            iconst_0
            istore 3 /* m */
        start local 3 // int m
        16: goto 22
        17: .line 133
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            baload
            iadd
            aload 2 /* ivBytes */
            iload 3 /* m */
            aload 2 /* ivBytes */
            arraylength
            irem
            baload
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
        18: .line 134
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            baload
            istore 4 /* temp */
        start local 4 // byte temp
        19: .line 135
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            iload 3 /* m */
            sipush 255
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            bastore
        20: .line 136
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            iload 4 /* temp */
            bastore
        end local 4 // byte temp
        21: .line 131
            iinc 3 /* m */ 1
      StackMap locals:
      StackMap stack:
        22: iload 3 /* m */
            sipush 768
            if_icmplt 17
        end local 3 // int m
        23: .line 138
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.macs.VMPCMac.n:B
        24: .line 139
            return
        end local 2 // byte[] ivBytes
        end local 1 // byte[] keyBytes
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   25     0      this  Lorg/bouncycastle/crypto/macs/VMPCMac;
            0   25     1  keyBytes  [B
            0   25     2   ivBytes  [B
            3    7     3         i  I
            8   15     3         m  I
           11   13     4      temp  B
           16   23     3         m  I
           19   21     4      temp  B
    MethodParameters:
          Name  Flags
      keyBytes  
      ivBytes   

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=2, args_size=1
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
         0: .line 143
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.workingKey:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.workingIV:[B
            invokevirtual org.bouncycastle.crypto.macs.VMPCMac.initKey:([B[B)V
         1: .line 144
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            iconst_0
            dup_x1
            putfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            dup_x1
            putfield org.bouncycastle.crypto.macs.VMPCMac.x4:B
            dup_x1
            putfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
            dup_x1
            putfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
            dup_x1
            putfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
            putfield org.bouncycastle.crypto.macs.VMPCMac.g:B
         2: .line 145
            aload 0 /* this */
            bipush 32
            newarray 8
            putfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
         3: .line 146
            iconst_0
            istore 1 /* i */
        start local 1 // int i
         4: goto 7
         5: .line 148
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            iload 1 /* i */
            iconst_0
            bastore
         6: .line 146
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
         7: iload 1 /* i */
            bipush 32
            if_icmplt 5
        end local 1 // int i
         8: .line 150
            return
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/crypto/macs/VMPCMac;
            4    8     1     i  I

  public void update(byte);
    descriptor: (B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=2
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
        start local 1 // byte in
         0: .line 154
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            sipush 255
            iand
            baload
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.s:B
         1: .line 155
            iload 1 /* in */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            sipush 255
            iand
            baload
            iconst_1
            iadd
            sipush 255
            iand
            baload
            ixor
            i2b
            istore 2 /* c */
        start local 2 // byte c
         2: .line 157
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x4:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x4:B
         3: .line 158
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
         4: .line 159
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
         5: .line 160
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            iadd
            iload 2 /* c */
            iadd
            sipush 255
            iand
            baload
            putfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
         6: .line 161
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x1:B
            ixor
            i2b
            bastore
         7: .line 162
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_1
            iadd
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_1
            iadd
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x2:B
            ixor
            i2b
            bastore
         8: .line 163
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_2
            iadd
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_2
            iadd
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x3:B
            ixor
            i2b
            bastore
         9: .line 164
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_3
            iadd
            bipush 31
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.T:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_3
            iadd
            bipush 31
            iand
            baload
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.x4:B
            ixor
            i2b
            bastore
        10: .line 165
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.g:B
            iconst_4
            iadd
            bipush 31
            iand
            i2b
            putfield org.bouncycastle.crypto.macs.VMPCMac.g:B
        11: .line 167
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            sipush 255
            iand
            baload
            istore 3 /* temp */
        start local 3 // byte temp
        12: .line 168
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            sipush 255
            iand
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            baload
            bastore
        13: .line 169
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.P:[B
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.s:B
            sipush 255
            iand
            iload 3 /* temp */
            bastore
        14: .line 170
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.macs.VMPCMac.n:B
            iconst_1
            iadd
            sipush 255
            iand
            i2b
            putfield org.bouncycastle.crypto.macs.VMPCMac.n:B
        15: .line 171
            return
        end local 3 // byte temp
        end local 2 // byte c
        end local 1 // byte in
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   16     0  this  Lorg/bouncycastle/crypto/macs/VMPCMac;
            0   16     1    in  B
            2   16     2     c  B
           12   16     3  temp  B
    Exceptions:
      throws java.lang.IllegalStateException
    MethodParameters:
      Name  Flags
      in    

  public void update(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=4
        start local 0 // org.bouncycastle.crypto.macs.VMPCMac this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // int len
         0: .line 176
            iload 2 /* inOff */
            iload 3 /* len */
            iadd
            aload 1 /* in */
            arraylength
            if_icmple 2
         1: .line 178
            new org.bouncycastle.crypto.DataLengthException
            dup
            ldc "input buffer too short"
            invokespecial org.bouncycastle.crypto.DataLengthException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 181
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         3: goto 6
         4: .line 183
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            aload 1 /* in */
            iload 4 /* i */
            baload
            invokevirtual org.bouncycastle.crypto.macs.VMPCMac.update:(B)V
         5: .line 181
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 4 /* i */
            iload 3 /* len */
            if_icmplt 4
        end local 4 // int i
         7: .line 185
            return
        end local 3 // int len
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.macs.VMPCMac this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   this  Lorg/bouncycastle/crypto/macs/VMPCMac;
            0    8     1     in  [B
            0    8     2  inOff  I
            0    8     3    len  I
            3    7     4      i  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
       Name  Flags
      in     
      inOff  
      len    
}
SourceFile: "VMPCMac.java"