http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
public class org.bouncycastle.crypto.modes.GCMBlockCipher implements org.bouncycastle.crypto.modes.AEADBlockCipher
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.crypto.modes.GCMBlockCipher
  super_class: java.lang.Object
{
  private static final int BLOCK_SIZE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 16

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

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

  private org.bouncycastle.crypto.modes.gcm.GCMMultiplier multiplier;
    descriptor: Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
    flags: (0x0002) ACC_PRIVATE

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

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

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

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

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

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

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

  private byte[] J0;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

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

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

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

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

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

  private long totalLength;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 23
            bipush 16
            newarray 8
            putstatic org.bouncycastle.crypto.modes.GCMBlockCipher.ZEROES:[B
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.bouncycastle.crypto.BlockCipher);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // org.bouncycastle.crypto.BlockCipher c
         0: .line 49
            aload 0 /* this */
            aload 1 /* c */
            aconst_null
            invokespecial org.bouncycastle.crypto.modes.GCMBlockCipher.<init>:(Lorg/bouncycastle/crypto/BlockCipher;Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;)V
         1: .line 50
            return
        end local 1 // org.bouncycastle.crypto.BlockCipher c
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0    2     1     c  Lorg/bouncycastle/crypto/BlockCipher;
    MethodParameters:
      Name  Flags
      c     

  public void <init>(org.bouncycastle.crypto.BlockCipher, org.bouncycastle.crypto.modes.gcm.GCMMultiplier);
    descriptor: (Lorg/bouncycastle/crypto/BlockCipher;Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // org.bouncycastle.crypto.BlockCipher c
        start local 2 // org.bouncycastle.crypto.modes.gcm.GCMMultiplier m
         0: .line 52
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 54
            aload 1 /* c */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            bipush 16
            if_icmpeq 5
         2: .line 56
            new java.lang.IllegalArgumentException
            dup
         3: .line 57
            ldc "cipher required with a block size of 16."
         4: .line 56
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 60
      StackMap locals: org.bouncycastle.crypto.modes.GCMBlockCipher org.bouncycastle.crypto.BlockCipher org.bouncycastle.crypto.modes.gcm.GCMMultiplier
      StackMap stack:
            aload 2 /* m */
            ifnonnull 7
         6: .line 63
            new org.bouncycastle.crypto.modes.gcm.Tables8kGCMMultiplier
            dup
            invokespecial org.bouncycastle.crypto.modes.gcm.Tables8kGCMMultiplier.<init>:()V
            astore 2 /* m */
         7: .line 66
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* c */
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
         8: .line 67
            aload 0 /* this */
            aload 2 /* m */
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.multiplier:Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
         9: .line 68
            return
        end local 2 // org.bouncycastle.crypto.modes.gcm.GCMMultiplier m
        end local 1 // org.bouncycastle.crypto.BlockCipher c
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0   10     1     c  Lorg/bouncycastle/crypto/BlockCipher;
            0   10     2     m  Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
    MethodParameters:
      Name  Flags
      c     
      m     

  public org.bouncycastle.crypto.BlockCipher getUnderlyingCipher();
    descriptor: ()Lorg/bouncycastle/crypto/BlockCipher;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
         0: .line 72
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            areturn
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;

  public java.lang.String getAlgorithmName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
         0: .line 77
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.getAlgorithmName:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "/GCM"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;

  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.modes.GCMBlockCipher this
        start local 1 // boolean forEncryption
        start local 2 // org.bouncycastle.crypto.CipherParameters params
         0: .line 83
            aload 0 /* this */
            iload 1 /* forEncryption */
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.forEncryption:Z
         1: .line 84
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.macBlock:[B
         2: .line 86
            aload 2 /* params */
            instanceof org.bouncycastle.crypto.params.AEADParameters
            ifeq 12
         3: .line 88
            aload 2 /* params */
            checkcast org.bouncycastle.crypto.params.AEADParameters
            astore 3 /* param */
        start local 3 // org.bouncycastle.crypto.params.AEADParameters param
         4: .line 90
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getNonce:()[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
         5: .line 91
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getAssociatedText:()[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.A:[B
         6: .line 93
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getMacSize:()I
            istore 4 /* macSizeBits */
        start local 4 // int macSizeBits
         7: .line 94
            iload 4 /* macSizeBits */
            bipush 96
            if_icmplt 8
            iload 4 /* macSizeBits */
            sipush 128
            if_icmpgt 8
            iload 4 /* macSizeBits */
            bipush 8
            irem
            ifeq 9
         8: .line 96
      StackMap locals: org.bouncycastle.crypto.params.AEADParameters int
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid value for MAC size: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 4 /* macSizeBits */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 99
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 4 /* macSizeBits */
            bipush 8
            idiv
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
        10: .line 100
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getKey:()Lorg/bouncycastle/crypto/params/KeyParameter;
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/params/KeyParameter;
        end local 4 // int macSizeBits
        end local 3 // org.bouncycastle.crypto.params.AEADParameters param
        11: .line 101
            goto 20
        12: .line 102
      StackMap locals:
      StackMap stack:
            aload 2 /* params */
            instanceof org.bouncycastle.crypto.params.ParametersWithIV
            ifeq 19
        13: .line 104
            aload 2 /* params */
            checkcast org.bouncycastle.crypto.params.ParametersWithIV
            astore 3 /* param */
        start local 3 // org.bouncycastle.crypto.params.ParametersWithIV param
        14: .line 106
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getIV:()[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
        15: .line 107
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.A:[B
        16: .line 108
            aload 0 /* this */
            bipush 16
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
        17: .line 109
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            checkcast org.bouncycastle.crypto.params.KeyParameter
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/params/KeyParameter;
        end local 3 // org.bouncycastle.crypto.params.ParametersWithIV param
        18: .line 110
            goto 20
        19: .line 113
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "invalid parameters passed to GCM"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        20: .line 116
      StackMap locals:
      StackMap stack:
            iload 1 /* forEncryption */
            ifeq 21
            bipush 16
            goto 22
      StackMap locals:
      StackMap stack:
        21: bipush 16
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            iadd
      StackMap locals:
      StackMap stack: int
        22: istore 3 /* bufLength */
        start local 3 // int bufLength
        23: .line 117
            aload 0 /* this */
            iload 3 /* bufLength */
            newarray 8
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
        24: .line 119
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
            ifnull 25
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
            arraylength
            iconst_1
            if_icmpge 26
        25: .line 121
      StackMap locals: int
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "IV must be at least 1 byte"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        26: .line 124
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.A:[B
            ifnonnull 28
        27: .line 127
            aload 0 /* this */
            iconst_0
            newarray 8
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.A:[B
        28: .line 131
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/params/KeyParameter;
            invokeinterface org.bouncycastle.crypto.BlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
        29: .line 137
            aload 0 /* this */
            bipush 16
            newarray 8
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.H:[B
        30: .line 138
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            getstatic org.bouncycastle.crypto.modes.GCMBlockCipher.ZEROES:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.H:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        31: .line 139
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.multiplier:Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.H:[B
            invokeinterface org.bouncycastle.crypto.modes.gcm.GCMMultiplier.init:([B)V
        32: .line 141
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.A:[B
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.gHASH:([B)[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.initS:[B
        33: .line 143
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
            arraylength
            bipush 12
            if_icmpne 38
        34: .line 145
            aload 0 /* this */
            bipush 16
            newarray 8
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
        35: .line 146
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        36: .line 147
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
            bipush 15
            iconst_1
            bastore
        37: .line 148
            goto 43
        38: .line 151
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.gHASH:([B)[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
        39: .line 152
            bipush 16
            newarray 8
            astore 4 /* X */
        start local 4 // byte[] X
        40: .line 153
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.nonce:[B
            arraylength
            i2l
            ldc 8
            lmul
            aload 4 /* X */
            bipush 8
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.packLength:(J[BI)V
        41: .line 154
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
            aload 4 /* X */
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.xor:([B[B)V
        42: .line 155
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.multiplier:Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
            invokeinterface org.bouncycastle.crypto.modes.gcm.GCMMultiplier.multiplyH:([B)V
        end local 4 // byte[] X
        43: .line 158
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.initS:[B
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.S:[B
        44: .line 159
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.counter:[B
        45: .line 160
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
        46: .line 161
            aload 0 /* this */
            lconst_0
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.totalLength:J
        47: .line 162
            return
        end local 3 // int bufLength
        end local 2 // org.bouncycastle.crypto.CipherParameters params
        end local 1 // boolean forEncryption
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   48     0           this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0   48     1  forEncryption  Z
            0   48     2         params  Lorg/bouncycastle/crypto/CipherParameters;
            4   11     3          param  Lorg/bouncycastle/crypto/params/AEADParameters;
            7   11     4    macSizeBits  I
           14   18     3          param  Lorg/bouncycastle/crypto/params/ParametersWithIV;
           23   48     3      bufLength  I
           40   43     4              X  [B
    Exceptions:
      throws java.lang.IllegalArgumentException
    MethodParameters:
               Name  Flags
      forEncryption  
      params         

  public byte[] getMac();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
         0: .line 166
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macBlock:[B
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            areturn
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;

  public int getOutputSize(int);
    descriptor: (I)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // int len
         0: .line 171
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.forEncryption:Z
            ifeq 2
         1: .line 173
            iload 1 /* len */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            iadd
            ireturn
         2: .line 176
      StackMap locals:
      StackMap stack:
            iload 1 /* len */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            isub
            ireturn
        end local 1 // int len
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0    3     1   len  I
    MethodParameters:
      Name  Flags
      len   

  public int getUpdateOutputSize(int);
    descriptor: (I)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // int len
         0: .line 181
            iload 1 /* len */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            iadd
            bipush 16
            idiv
            bipush 16
            imul
            ireturn
        end local 1 // int len
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0    1     1   len  I
    MethodParameters:
      Name  Flags
      len   

  public int processByte(byte, byte[], int);
    descriptor: (B[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // byte in
        start local 2 // byte[] out
        start local 3 // int outOff
         0: .line 187
            aload 0 /* this */
            iload 1 /* in */
            aload 2 /* out */
            iload 3 /* outOff */
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.process:(B[BI)I
            ireturn
        end local 3 // int outOff
        end local 2 // byte[] out
        end local 1 // byte in
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0    1     1      in  B
            0    1     2     out  [B
            0    1     3  outOff  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException
    MethodParameters:
        Name  Flags
      in      
      out     
      outOff  

  public int processBytes(byte[], int, int, byte[], int);
    descriptor: ([BII[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=8, args_size=6
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // int len
        start local 4 // byte[] out
        start local 5 // int outOff
         0: .line 193
            iconst_0
            istore 6 /* resultLen */
        start local 6 // int resultLen
         1: .line 195
            iconst_0
            istore 7 /* i */
        start local 7 // int i
         2: goto 11
         3: .line 198
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            dup_x1
            iconst_1
            iadd
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            aload 1 /* in */
            iload 2 /* inOff */
            iload 7 /* i */
            iadd
            baload
            bastore
         4: .line 200
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            arraylength
            if_icmpne 10
         5: .line 202
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            bipush 16
            aload 4 /* out */
            iload 5 /* outOff */
            iload 6 /* resultLen */
            iadd
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.gCTRBlock:([BI[BI)V
         6: .line 203
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.forEncryption:Z
            ifne 8
         7: .line 205
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            bipush 16
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         8: .line 208
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            arraylength
            bipush 16
            isub
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
         9: .line 210
            iinc 6 /* resultLen */ 16
        10: .line 195
      StackMap locals:
      StackMap stack:
            iinc 7 /* i */ 1
      StackMap locals:
      StackMap stack:
        11: iload 7 /* i */
            iload 3 /* len */
            if_icmpne 3
        end local 7 // int i
        12: .line 214
            iload 6 /* resultLen */
            ireturn
        end local 6 // int resultLen
        end local 5 // int outOff
        end local 4 // byte[] out
        end local 3 // int len
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   13     0       this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0   13     1         in  [B
            0   13     2      inOff  I
            0   13     3        len  I
            0   13     4        out  [B
            0   13     5     outOff  I
            1   13     6  resultLen  I
            2   12     7          i  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException
    MethodParameters:
        Name  Flags
      in      
      inOff   
      len     
      out     
      outOff  

  private int process(byte, byte[], int);
    descriptor: (B[BI)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // byte in
        start local 2 // byte[] out
        start local 3 // int outOff
         0: .line 220
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            dup_x1
            iconst_1
            iadd
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            iload 1 /* in */
            bastore
         1: .line 222
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            arraylength
            if_icmpne 7
         2: .line 224
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            bipush 16
            aload 2 /* out */
            iload 3 /* outOff */
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.gCTRBlock:([BI[BI)V
         3: .line 225
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.forEncryption:Z
            ifne 5
         4: .line 227
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            bipush 16
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 230
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            arraylength
            bipush 16
            isub
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
         6: .line 232
            bipush 16
            ireturn
         7: .line 235
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 3 // int outOff
        end local 2 // byte[] out
        end local 1 // byte in
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0    8     1      in  B
            0    8     2     out  [B
            0    8     3  outOff  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException
    MethodParameters:
        Name  Flags
      in      
      out     
      outOff  

  public int doFinal(byte[], int);
    descriptor: ([BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=8, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // byte[] out
        start local 2 // int outOff
         0: .line 241
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            istore 3 /* extra */
        start local 3 // int extra
         1: .line 242
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.forEncryption:Z
            ifne 5
         2: .line 244
            iload 3 /* extra */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            if_icmpge 4
         3: .line 246
            new org.bouncycastle.crypto.InvalidCipherTextException
            dup
            ldc "data too short"
            invokespecial org.bouncycastle.crypto.InvalidCipherTextException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 248
      StackMap locals: int
      StackMap stack:
            iload 3 /* extra */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            isub
            istore 3 /* extra */
         5: .line 251
      StackMap locals:
      StackMap stack:
            iload 3 /* extra */
            ifle 9
         6: .line 253
            bipush 16
            newarray 8
            astore 4 /* tmp */
        start local 4 // byte[] tmp
         7: .line 254
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            iconst_0
            aload 4 /* tmp */
            iconst_0
            iload 3 /* extra */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         8: .line 255
            aload 0 /* this */
            aload 4 /* tmp */
            iload 3 /* extra */
            aload 1 /* out */
            iload 2 /* outOff */
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.gCTRBlock:([BI[BI)V
        end local 4 // byte[] tmp
         9: .line 259
      StackMap locals:
      StackMap stack:
            bipush 16
            newarray 8
            astore 4 /* X */
        start local 4 // byte[] X
        10: .line 260
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.A:[B
            arraylength
            i2l
            ldc 8
            lmul
            aload 4 /* X */
            iconst_0
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.packLength:(J[BI)V
        11: .line 261
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.totalLength:J
            ldc 8
            lmul
            aload 4 /* X */
            bipush 8
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.packLength:(J[BI)V
        12: .line 263
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.S:[B
            aload 4 /* X */
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.xor:([B[B)V
        13: .line 264
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.multiplier:Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.S:[B
            invokeinterface org.bouncycastle.crypto.modes.gcm.GCMMultiplier.multiplyH:([B)V
        14: .line 268
            bipush 16
            newarray 8
            astore 5 /* tag */
        start local 5 // byte[] tag
        15: .line 269
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
            iconst_0
            aload 5 /* tag */
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        16: .line 270
            aload 5 /* tag */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.S:[B
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.xor:([B[B)V
        17: .line 272
            iload 3 /* extra */
            istore 6 /* resultLen */
        start local 6 // int resultLen
        18: .line 275
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            newarray 8
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.macBlock:[B
        19: .line 276
            aload 5 /* tag */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macBlock:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        20: .line 278
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.forEncryption:Z
            ifeq 24
        21: .line 281
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macBlock:[B
            iconst_0
            aload 1 /* out */
            iload 2 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        22: .line 282
            iload 6 /* resultLen */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            iadd
            istore 6 /* resultLen */
        23: .line 283
            goto 28
        24: .line 287
      StackMap locals: byte[] byte[] int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            newarray 8
            astore 7 /* msgMac */
        start local 7 // byte[] msgMac
        25: .line 288
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            iload 3 /* extra */
            aload 7 /* msgMac */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        26: .line 289
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.macBlock:[B
            aload 7 /* msgMac */
            invokestatic org.bouncycastle.util.Arrays.constantTimeAreEqual:([B[B)Z
            ifne 28
        27: .line 291
            new org.bouncycastle.crypto.InvalidCipherTextException
            dup
            ldc "mac check in GCM failed"
            invokespecial org.bouncycastle.crypto.InvalidCipherTextException.<init>:(Ljava/lang/String;)V
            athrow
        end local 7 // byte[] msgMac
        28: .line 295
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.reset:(Z)V
        29: .line 297
            iload 6 /* resultLen */
            ireturn
        end local 6 // int resultLen
        end local 5 // byte[] tag
        end local 4 // byte[] X
        end local 3 // int extra
        end local 2 // int outOff
        end local 1 // byte[] out
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   30     0       this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0   30     1        out  [B
            0   30     2     outOff  I
            1   30     3      extra  I
            7    9     4        tmp  [B
           10   30     4          X  [B
           15   30     5        tag  [B
           18   30     6  resultLen  I
           25   28     7     msgMac  [B
    Exceptions:
      throws java.lang.IllegalStateException, org.bouncycastle.crypto.InvalidCipherTextException
    MethodParameters:
        Name  Flags
      out     
      outOff  

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
         0: .line 302
            aload 0 /* this */
            iconst_1
            invokevirtual org.bouncycastle.crypto.modes.GCMBlockCipher.reset:(Z)V
         1: .line 303
            return
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;

  private void reset(boolean);
    descriptor: (Z)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // boolean clearMac
         0: .line 308
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.initS:[B
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.S:[B
         1: .line 309
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.J0:[B
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.counter:[B
         2: .line 310
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufOff:I
         3: .line 311
            aload 0 /* this */
            lconst_0
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.totalLength:J
         4: .line 313
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            ifnull 6
         5: .line 315
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.bufBlock:[B
            iconst_0
            invokestatic org.bouncycastle.util.Arrays.fill:([BB)V
         6: .line 318
      StackMap locals:
      StackMap stack:
            iload 1 /* clearMac */
            ifeq 8
         7: .line 320
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.macBlock:[B
         8: .line 323
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.reset:()V
         9: .line 324
            return
        end local 1 // boolean clearMac
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   10     0      this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0   10     1  clearMac  Z
    MethodParameters:
          Name  Flags
      clearMac  

  private void gCTRBlock(byte[], int, byte[], int);
    descriptor: ([BI[BI)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=8, args_size=5
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // byte[] buf
        start local 2 // int bufCount
        start local 3 // byte[] out
        start local 4 // int outOff
         0: .line 329
            bipush 15
            istore 5 /* i */
        start local 5 // int i
         1: goto 7
         2: .line 331
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.counter:[B
            iload 5 /* i */
            baload
            iconst_1
            iadd
            sipush 255
            iand
            i2b
            istore 6 /* b */
        start local 6 // byte b
         3: .line 332
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.counter:[B
            iload 5 /* i */
            iload 6 /* b */
            bastore
         4: .line 334
            iload 6 /* b */
            ifeq 6
         5: .line 336
            goto 8
        end local 6 // byte b
         6: .line 329
      StackMap locals:
      StackMap stack:
            iinc 5 /* i */ -1
      StackMap locals:
      StackMap stack:
         7: iload 5 /* i */
            bipush 12
            if_icmpge 2
        end local 5 // int i
         8: .line 340
      StackMap locals:
      StackMap stack:
            bipush 16
            newarray 8
            astore 5 /* tmp */
        start local 5 // byte[] tmp
         9: .line 341
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.counter:[B
            iconst_0
            aload 5 /* tmp */
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        10: .line 344
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.forEncryption:Z
            ifeq 14
        11: .line 346
            getstatic org.bouncycastle.crypto.modes.GCMBlockCipher.ZEROES:[B
            iload 2 /* bufCount */
            aload 5 /* tmp */
            iload 2 /* bufCount */
            bipush 16
            iload 2 /* bufCount */
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        12: .line 347
            aload 5 /* tmp */
            astore 6 /* hashBytes */
        start local 6 // byte[] hashBytes
        13: .line 348
            goto 15
        end local 6 // byte[] hashBytes
        14: .line 351
      StackMap locals: byte[]
      StackMap stack:
            aload 1 /* buf */
            astore 6 /* hashBytes */
        start local 6 // byte[] hashBytes
        15: .line 354
      StackMap locals: byte[]
      StackMap stack:
            iload 2 /* bufCount */
            iconst_1
            isub
            istore 7 /* i */
        start local 7 // int i
        16: goto 20
        17: .line 356
      StackMap locals: int
      StackMap stack:
            aload 5 /* tmp */
            iload 7 /* i */
            dup2
            baload
            aload 1 /* buf */
            iload 7 /* i */
            baload
            ixor
            i2b
            bastore
        18: .line 357
            aload 3 /* out */
            iload 4 /* outOff */
            iload 7 /* i */
            iadd
            aload 5 /* tmp */
            iload 7 /* i */
            baload
            bastore
        19: .line 354
            iinc 7 /* i */ -1
      StackMap locals:
      StackMap stack:
        20: iload 7 /* i */
            ifge 17
        end local 7 // int i
        21: .line 361
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.S:[B
            aload 6 /* hashBytes */
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.xor:([B[B)V
        22: .line 362
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.multiplier:Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.S:[B
            invokeinterface org.bouncycastle.crypto.modes.gcm.GCMMultiplier.multiplyH:([B)V
        23: .line 364
            aload 0 /* this */
            dup
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.totalLength:J
            iload 2 /* bufCount */
            i2l
            ladd
            putfield org.bouncycastle.crypto.modes.GCMBlockCipher.totalLength:J
        24: .line 365
            return
        end local 6 // byte[] hashBytes
        end local 5 // byte[] tmp
        end local 4 // int outOff
        end local 3 // byte[] out
        end local 2 // int bufCount
        end local 1 // byte[] buf
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   25     0       this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0   25     1        buf  [B
            0   25     2   bufCount  I
            0   25     3        out  [B
            0   25     4     outOff  I
            1    8     5          i  I
            3    6     6          b  B
            9   25     5        tmp  [B
           13   14     6  hashBytes  [B
           15   25     6  hashBytes  [B
           16   21     7          i  I
    MethodParameters:
          Name  Flags
      buf       
      bufCount  
      out       
      outOff    

  private byte[] gHASH(byte[]);
    descriptor: ([B)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
        start local 1 // byte[] b
         0: .line 369
            bipush 16
            newarray 8
            astore 2 /* Y */
        start local 2 // byte[] Y
         1: .line 371
            iconst_0
            istore 3 /* pos */
        start local 3 // int pos
         2: goto 9
         3: .line 373
      StackMap locals: byte[] int
      StackMap stack:
            bipush 16
            newarray 8
            astore 4 /* X */
        start local 4 // byte[] X
         4: .line 374
            aload 1 /* b */
            arraylength
            iload 3 /* pos */
            isub
            bipush 16
            invokestatic java.lang.Math.min:(II)I
            istore 5 /* num */
        start local 5 // int num
         5: .line 375
            aload 1 /* b */
            iload 3 /* pos */
            aload 4 /* X */
            iconst_0
            iload 5 /* num */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 376
            aload 2 /* Y */
            aload 4 /* X */
            invokestatic org.bouncycastle.crypto.modes.GCMBlockCipher.xor:([B[B)V
         7: .line 377
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.GCMBlockCipher.multiplier:Lorg/bouncycastle/crypto/modes/gcm/GCMMultiplier;
            aload 2 /* Y */
            invokeinterface org.bouncycastle.crypto.modes.gcm.GCMMultiplier.multiplyH:([B)V
        end local 5 // int num
        end local 4 // byte[] X
         8: .line 371
            iinc 3 /* pos */ 16
      StackMap locals:
      StackMap stack:
         9: iload 3 /* pos */
            aload 1 /* b */
            arraylength
            if_icmplt 3
        end local 3 // int pos
        10: .line 380
            aload 2 /* Y */
            areturn
        end local 2 // byte[] Y
        end local 1 // byte[] b
        end local 0 // org.bouncycastle.crypto.modes.GCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Lorg/bouncycastle/crypto/modes/GCMBlockCipher;
            0   11     1     b  [B
            1   11     2     Y  [B
            2   10     3   pos  I
            4    8     4     X  [B
            5    8     5   num  I
    MethodParameters:
      Name  Flags
      b     

  private static void xor(byte[], byte[]);
    descriptor: ([B[B)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // byte[] block
        start local 1 // byte[] val
         0: .line 405
            bipush 15
            istore 2 /* i */
        start local 2 // int i
         1: goto 4
         2: .line 407
      StackMap locals: int
      StackMap stack:
            aload 0 /* block */
            iload 2 /* i */
            dup2
            baload
            aload 1 /* val */
            iload 2 /* i */
            baload
            ixor
            i2b
            bastore
         3: .line 405
            iinc 2 /* i */ -1
      StackMap locals:
      StackMap stack:
         4: iload 2 /* i */
            ifge 2
        end local 2 // int i
         5: .line 409
            return
        end local 1 // byte[] val
        end local 0 // byte[] block
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0  block  [B
            0    6     1    val  [B
            1    5     2      i  I
    MethodParameters:
       Name  Flags
      block  
      val    

  private static void packLength(long, byte[], int);
    descriptor: (J[BI)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // long count
        start local 2 // byte[] bs
        start local 3 // int off
         0: .line 413
            lload 0 /* count */
            bipush 32
            lushr
            l2i
            aload 2 /* bs */
            iload 3 /* off */
            invokestatic org.bouncycastle.crypto.util.Pack.intToBigEndian:(I[BI)V
         1: .line 414
            lload 0 /* count */
            l2i
            aload 2 /* bs */
            iload 3 /* off */
            iconst_4
            iadd
            invokestatic org.bouncycastle.crypto.util.Pack.intToBigEndian:(I[BI)V
         2: .line 415
            return
        end local 3 // int off
        end local 2 // byte[] bs
        end local 0 // long count
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0  count  J
            0    3     2     bs  [B
            0    3     3    off  I
    MethodParameters:
       Name  Flags
      count  
      bs     
      off    
}
SourceFile: "GCMBlockCipher.java"