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.CCMBlockCipher 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.CCMBlockCipher
  super_class: java.lang.Object
{
  private org.bouncycastle.crypto.BlockCipher cipher;
    descriptor: Lorg/bouncycastle/crypto/BlockCipher;
    flags: (0x0002) ACC_PRIVATE

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

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

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

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

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

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

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

  private java.io.ByteArrayOutputStream data;
    descriptor: Ljava/io/ByteArrayOutputStream;
    flags: (0x0002) ACC_PRIVATE

  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.CCMBlockCipher this
        start local 1 // org.bouncycastle.crypto.BlockCipher c
         0: .line 39
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 32
            aload 0 /* this */
            new java.io.ByteArrayOutputStream
            dup
            invokespecial java.io.ByteArrayOutputStream.<init>:()V
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.data:Ljava/io/ByteArrayOutputStream;
         2: .line 41
            aload 0 /* this */
            aload 1 /* c */
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
         3: .line 42
            aload 0 /* this */
            aload 1 /* c */
            invokeinterface org.bouncycastle.crypto.BlockCipher.getBlockSize:()I
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
         4: .line 43
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            newarray 8
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
         5: .line 45
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            bipush 16
            if_icmpeq 7
         6: .line 47
            new java.lang.IllegalArgumentException
            dup
            ldc "cipher required with a block size of 16."
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 49
      StackMap locals: org.bouncycastle.crypto.modes.CCMBlockCipher org.bouncycastle.crypto.BlockCipher
      StackMap stack:
            return
        end local 1 // org.bouncycastle.crypto.BlockCipher c
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0    8     1     c  Lorg/bouncycastle/crypto/BlockCipher;
    MethodParameters:
      Name  Flags
      c     

  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.CCMBlockCipher this
         0: .line 58
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            areturn
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;

  public void init(boolean, org.bouncycastle.crypto.CipherParameters);
    descriptor: (ZLorg/bouncycastle/crypto/CipherParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
        start local 1 // boolean forEncryption
        start local 2 // org.bouncycastle.crypto.CipherParameters params
         0: .line 65
            aload 0 /* this */
            iload 1 /* forEncryption */
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.forEncryption:Z
         1: .line 67
            aload 2 /* params */
            instanceof org.bouncycastle.crypto.params.AEADParameters
            ifeq 8
         2: .line 69
            aload 2 /* params */
            checkcast org.bouncycastle.crypto.params.AEADParameters
            astore 3 /* param */
        start local 3 // org.bouncycastle.crypto.params.AEADParameters param
         3: .line 71
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getNonce:()[B
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
         4: .line 72
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getAssociatedText:()[B
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
         5: .line 73
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getMacSize:()I
            bipush 8
            idiv
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
         6: .line 74
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.AEADParameters.getKey:()Lorg/bouncycastle/crypto/params/KeyParameter;
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/CipherParameters;
        end local 3 // org.bouncycastle.crypto.params.AEADParameters param
         7: .line 75
            goto 16
         8: .line 76
      StackMap locals:
      StackMap stack:
            aload 2 /* params */
            instanceof org.bouncycastle.crypto.params.ParametersWithIV
            ifeq 15
         9: .line 78
            aload 2 /* params */
            checkcast org.bouncycastle.crypto.params.ParametersWithIV
            astore 3 /* param */
        start local 3 // org.bouncycastle.crypto.params.ParametersWithIV param
        10: .line 80
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getIV:()[B
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
        11: .line 81
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
        12: .line 82
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            arraylength
            iconst_2
            idiv
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
        13: .line 83
            aload 0 /* this */
            aload 3 /* param */
            invokevirtual org.bouncycastle.crypto.params.ParametersWithIV.getParameters:()Lorg/bouncycastle/crypto/CipherParameters;
            putfield org.bouncycastle.crypto.modes.CCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/CipherParameters;
        end local 3 // org.bouncycastle.crypto.params.ParametersWithIV param
        14: .line 84
            goto 16
        15: .line 87
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "invalid parameters passed to CCM"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        16: .line 89
      StackMap locals:
      StackMap stack:
            return
        end local 2 // org.bouncycastle.crypto.CipherParameters params
        end local 1 // boolean forEncryption
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   17     0           this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0   17     1  forEncryption  Z
            0   17     2         params  Lorg/bouncycastle/crypto/CipherParameters;
            3    7     3          param  Lorg/bouncycastle/crypto/params/AEADParameters;
           10   14     3          param  Lorg/bouncycastle/crypto/params/ParametersWithIV;
    Exceptions:
      throws java.lang.IllegalArgumentException
    MethodParameters:
               Name  Flags
      forEncryption  
      params         

  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.CCMBlockCipher this
         0: .line 93
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.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 "/CCM"
            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.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;

  public int processByte(byte, byte[], int);
    descriptor: (B[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
        start local 1 // byte in
        start local 2 // byte[] out
        start local 3 // int outOff
         0: .line 99
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.data:Ljava/io/ByteArrayOutputStream;
            iload 1 /* in */
            invokevirtual java.io.ByteArrayOutputStream.write:(I)V
         1: .line 101
            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.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0    2     1      in  B
            0    2     2     out  [B
            0    2     3  outOff  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      in      
      out     
      outOff  

  public int processBytes(byte[], int, int, byte[], int);
    descriptor: ([BII[BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=6
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // int inLen
        start local 4 // byte[] out
        start local 5 // int outOff
         0: .line 107
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.data:Ljava/io/ByteArrayOutputStream;
            aload 1 /* in */
            iload 2 /* inOff */
            iload 3 /* inLen */
            invokevirtual java.io.ByteArrayOutputStream.write:([BII)V
         1: .line 109
            iconst_0
            ireturn
        end local 5 // int outOff
        end local 4 // byte[] out
        end local 3 // int inLen
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0    2     1      in  [B
            0    2     2   inOff  I
            0    2     3   inLen  I
            0    2     4     out  [B
            0    2     5  outOff  I
    Exceptions:
      throws org.bouncycastle.crypto.DataLengthException, java.lang.IllegalStateException
    MethodParameters:
        Name  Flags
      in      
      inOff   
      inLen   
      out     
      outOff  

  public int doFinal(byte[], int);
    descriptor: ([BI)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
        start local 1 // byte[] out
        start local 2 // int outOff
         0: .line 115
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.data:Ljava/io/ByteArrayOutputStream;
            invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
            astore 3 /* text */
        start local 3 // byte[] text
         1: .line 116
            aload 0 /* this */
            aload 3 /* text */
            iconst_0
            aload 3 /* text */
            arraylength
            invokevirtual org.bouncycastle.crypto.modes.CCMBlockCipher.processPacket:([BII)[B
            astore 4 /* enc */
        start local 4 // byte[] enc
         2: .line 118
            aload 4 /* enc */
            iconst_0
            aload 1 /* out */
            iload 2 /* outOff */
            aload 4 /* enc */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         3: .line 120
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.modes.CCMBlockCipher.reset:()V
         4: .line 122
            aload 4 /* enc */
            arraylength
            ireturn
        end local 4 // byte[] enc
        end local 3 // byte[] text
        end local 2 // int outOff
        end local 1 // byte[] out
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0    5     1     out  [B
            0    5     2  outOff  I
            1    5     3    text  [B
            2    5     4     enc  [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=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
         0: .line 127
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokeinterface org.bouncycastle.crypto.BlockCipher.reset:()V
         1: .line 128
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.data:Ljava/io/ByteArrayOutputStream;
            invokevirtual java.io.ByteArrayOutputStream.reset:()V
         2: .line 129
            return
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;

  public byte[] getMac();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
         0: .line 139
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            newarray 8
            astore 1 /* mac */
        start local 1 // byte[] mac
         1: .line 141
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iconst_0
            aload 1 /* mac */
            iconst_0
            aload 1 /* mac */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 143
            aload 1 /* mac */
            areturn
        end local 1 // byte[] mac
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            1    3     1   mac  [B

  public int getUpdateOutputSize(int);
    descriptor: (I)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
        start local 1 // int len
         0: .line 148
            iconst_0
            ireturn
        end local 1 // int len
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0    1     1   len  I
    MethodParameters:
      Name  Flags
      len   

  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.CCMBlockCipher this
        start local 1 // int len
         0: .line 153
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.forEncryption:Z
            ifeq 2
         1: .line 155
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.data:Ljava/io/ByteArrayOutputStream;
            invokevirtual java.io.ByteArrayOutputStream.size:()I
            iload 1 /* len */
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            iadd
            ireturn
         2: .line 159
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.data:Ljava/io/ByteArrayOutputStream;
            invokevirtual java.io.ByteArrayOutputStream.size:()I
            iload 1 /* len */
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            isub
            ireturn
        end local 1 // int len
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0    3     1   len  I
    MethodParameters:
      Name  Flags
      len   

  public byte[] processPacket(byte[], int, int);
    descriptor: ([BII)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=11, args_size=4
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
        start local 1 // byte[] in
        start local 2 // int inOff
        start local 3 // int inLen
         0: .line 166
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/CipherParameters;
            ifnonnull 2
         1: .line 168
            new java.lang.IllegalStateException
            dup
            ldc "CCM cipher unitialized."
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 171
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.crypto.modes.SICBlockCipher
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            invokespecial org.bouncycastle.crypto.modes.SICBlockCipher.<init>:(Lorg/bouncycastle/crypto/BlockCipher;)V
            astore 4 /* ctrCipher */
        start local 4 // org.bouncycastle.crypto.BlockCipher ctrCipher
         3: .line 172
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            newarray 8
            astore 5 /* iv */
        start local 5 // byte[] iv
         4: .line 175
            aload 5 /* iv */
            iconst_0
            bipush 15
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
            arraylength
            isub
            iconst_1
            isub
            bipush 7
            iand
            i2b
            bastore
         5: .line 177
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
            iconst_0
            aload 5 /* iv */
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 179
            aload 4 /* ctrCipher */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.forEncryption:Z
            new org.bouncycastle.crypto.params.ParametersWithIV
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/CipherParameters;
            aload 5 /* iv */
            invokespecial org.bouncycastle.crypto.params.ParametersWithIV.<init>:(Lorg/bouncycastle/crypto/CipherParameters;[B)V
            invokeinterface org.bouncycastle.crypto.BlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
         7: .line 181
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.forEncryption:Z
            ifeq 25
         8: .line 183
            iload 2 /* inOff */
            istore 7 /* index */
        start local 7 // int index
         9: .line 184
            iconst_0
            istore 8 /* outOff */
        start local 8 // int outOff
        10: .line 186
            iload 3 /* inLen */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            iadd
            newarray 8
            astore 6 /* out */
        start local 6 // byte[] out
        11: .line 188
            aload 0 /* this */
            aload 1 /* in */
            iload 2 /* inOff */
            iload 3 /* inLen */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            invokevirtual org.bouncycastle.crypto.modes.CCMBlockCipher.calculateMac:([BII[B)I
            pop
        12: .line 190
            aload 4 /* ctrCipher */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        13: .line 192
            goto 17
        14: .line 194
      StackMap locals: org.bouncycastle.crypto.modes.CCMBlockCipher byte[] int int org.bouncycastle.crypto.BlockCipher byte[] byte[] int int
      StackMap stack:
            aload 4 /* ctrCipher */
            aload 1 /* in */
            iload 7 /* index */
            aload 6 /* out */
            iload 8 /* outOff */
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        15: .line 195
            iload 8 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            iadd
            istore 8 /* outOff */
        16: .line 196
            iload 7 /* index */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            iadd
            istore 7 /* index */
        17: .line 192
      StackMap locals:
      StackMap stack:
            iload 7 /* index */
            iload 3 /* inLen */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            isub
            if_icmplt 14
        18: .line 199
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            newarray 8
            astore 9 /* block */
        start local 9 // byte[] block
        19: .line 201
            aload 1 /* in */
            iload 7 /* index */
            aload 9 /* block */
            iconst_0
            iload 3 /* inLen */
            iload 7 /* index */
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        20: .line 203
            aload 4 /* ctrCipher */
            aload 9 /* block */
            iconst_0
            aload 9 /* block */
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        21: .line 205
            aload 9 /* block */
            iconst_0
            aload 6 /* out */
            iload 8 /* outOff */
            iload 3 /* inLen */
            iload 7 /* index */
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        22: .line 207
            iload 8 /* outOff */
            iload 3 /* inLen */
            iload 7 /* index */
            isub
            iadd
            istore 8 /* outOff */
        23: .line 209
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iconst_0
            aload 6 /* out */
            iload 8 /* outOff */
            aload 6 /* out */
            arraylength
            iload 8 /* outOff */
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        end local 9 // byte[] block
        end local 8 // int outOff
        end local 7 // int index
        24: .line 210
            goto 48
        end local 6 // byte[] out
        25: .line 213
      StackMap locals:
      StackMap stack:
            iload 2 /* inOff */
            istore 7 /* index */
        start local 7 // int index
        26: .line 214
            iconst_0
            istore 8 /* outOff */
        start local 8 // int outOff
        27: .line 216
            iload 3 /* inLen */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            isub
            newarray 8
            astore 6 /* out */
        start local 6 // byte[] out
        28: .line 218
            aload 1 /* in */
            iload 2 /* inOff */
            iload 3 /* inLen */
            iadd
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            isub
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        29: .line 220
            aload 4 /* ctrCipher */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        30: .line 222
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            istore 9 /* i */
        start local 9 // int i
        31: goto 34
        32: .line 224
      StackMap locals: org.bouncycastle.crypto.modes.CCMBlockCipher byte[] int int org.bouncycastle.crypto.BlockCipher byte[] byte[] int int int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            iload 9 /* i */
            iconst_0
            bastore
        33: .line 222
            iinc 9 /* i */ 1
      StackMap locals:
      StackMap stack:
        34: iload 9 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            arraylength
            if_icmpne 32
        end local 9 // int i
        35: .line 227
            goto 39
        36: .line 229
      StackMap locals:
      StackMap stack:
            aload 4 /* ctrCipher */
            aload 1 /* in */
            iload 7 /* index */
            aload 6 /* out */
            iload 8 /* outOff */
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        37: .line 230
            iload 8 /* outOff */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            iadd
            istore 8 /* outOff */
        38: .line 231
            iload 7 /* index */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            iadd
            istore 7 /* index */
        39: .line 227
      StackMap locals:
      StackMap stack:
            iload 8 /* outOff */
            aload 6 /* out */
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            isub
            if_icmplt 36
        40: .line 234
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            newarray 8
            astore 9 /* block */
        start local 9 // byte[] block
        41: .line 236
            aload 1 /* in */
            iload 7 /* index */
            aload 9 /* block */
            iconst_0
            aload 6 /* out */
            arraylength
            iload 8 /* outOff */
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        42: .line 238
            aload 4 /* ctrCipher */
            aload 9 /* block */
            iconst_0
            aload 9 /* block */
            iconst_0
            invokeinterface org.bouncycastle.crypto.BlockCipher.processBlock:([BI[BI)I
            pop
        43: .line 240
            aload 9 /* block */
            iconst_0
            aload 6 /* out */
            iload 8 /* outOff */
            aload 6 /* out */
            arraylength
            iload 8 /* outOff */
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        44: .line 242
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.blockSize:I
            newarray 8
            astore 10 /* calculatedMacBlock */
        start local 10 // byte[] calculatedMacBlock
        45: .line 244
            aload 0 /* this */
            aload 6 /* out */
            iconst_0
            aload 6 /* out */
            arraylength
            aload 10 /* calculatedMacBlock */
            invokevirtual org.bouncycastle.crypto.modes.CCMBlockCipher.calculateMac:([BII[B)I
            pop
        46: .line 246
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macBlock:[B
            aload 10 /* calculatedMacBlock */
            invokestatic org.bouncycastle.util.Arrays.constantTimeAreEqual:([B[B)Z
            ifne 48
        47: .line 248
            new org.bouncycastle.crypto.InvalidCipherTextException
            dup
            ldc "mac check in CCM failed"
            invokespecial org.bouncycastle.crypto.InvalidCipherTextException.<init>:(Ljava/lang/String;)V
            athrow
        end local 10 // byte[] calculatedMacBlock
        end local 9 // byte[] block
        end local 8 // int outOff
        end local 7 // int index
        48: .line 252
      StackMap locals:
      StackMap stack:
            aload 6 /* out */
            areturn
        end local 6 // byte[] out
        end local 5 // byte[] iv
        end local 4 // org.bouncycastle.crypto.BlockCipher ctrCipher
        end local 3 // int inLen
        end local 2 // int inOff
        end local 1 // byte[] in
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   49     0                this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0   49     1                  in  [B
            0   49     2               inOff  I
            0   49     3               inLen  I
            3   49     4           ctrCipher  Lorg/bouncycastle/crypto/BlockCipher;
            4   49     5                  iv  [B
           11   25     6                 out  [B
           28   49     6                 out  [B
            9   24     7               index  I
           10   24     8              outOff  I
           19   24     9               block  [B
           26   48     7               index  I
           27   48     8              outOff  I
           31   35     9                   i  I
           41   48     9               block  [B
           45   48    10  calculatedMacBlock  [B
    Exceptions:
      throws java.lang.IllegalStateException, org.bouncycastle.crypto.InvalidCipherTextException
    MethodParameters:
       Name  Flags
      in     
      inOff  
      inLen  

  private int calculateMac(byte[], int, int, byte[]);
    descriptor: ([BII[B)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=11, args_size=5
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
        start local 1 // byte[] data
        start local 2 // int dataOff
        start local 3 // int dataLen
        start local 4 // byte[] macBlock
         0: .line 257
            new org.bouncycastle.crypto.macs.CBCBlockCipherMac
            dup
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.cipher:Lorg/bouncycastle/crypto/BlockCipher;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.macSize:I
            bipush 8
            imul
            invokespecial org.bouncycastle.crypto.macs.CBCBlockCipherMac.<init>:(Lorg/bouncycastle/crypto/BlockCipher;I)V
            astore 5 /* cMac */
        start local 5 // org.bouncycastle.crypto.Mac cMac
         1: .line 259
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.keyParam:Lorg/bouncycastle/crypto/CipherParameters;
            invokeinterface org.bouncycastle.crypto.Mac.init:(Lorg/bouncycastle/crypto/CipherParameters;)V
         2: .line 264
            bipush 16
            newarray 8
            astore 6 /* b0 */
        start local 6 // byte[] b0
         3: .line 266
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.modes.CCMBlockCipher.hasAssociatedText:()Z
            ifeq 5
         4: .line 268
            aload 6 /* b0 */
            iconst_0
            dup2
            baload
            bipush 64
            ior
            i2b
            bastore
         5: .line 271
      StackMap locals: org.bouncycastle.crypto.Mac byte[]
      StackMap stack:
            aload 6 /* b0 */
            iconst_0
            dup2
            baload
            aload 5 /* cMac */
            invokeinterface org.bouncycastle.crypto.Mac.getMacSize:()I
            iconst_2
            isub
            iconst_2
            idiv
            bipush 7
            iand
            iconst_3
            ishl
            ior
            i2b
            bastore
         6: .line 273
            aload 6 /* b0 */
            iconst_0
            dup2
            baload
            bipush 15
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
            arraylength
            isub
            iconst_1
            isub
            bipush 7
            iand
            ior
            i2b
            bastore
         7: .line 275
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
            iconst_0
            aload 6 /* b0 */
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.nonce:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         8: .line 277
            iload 3 /* dataLen */
            istore 7 /* q */
        start local 7 // int q
         9: .line 278
            iconst_1
            istore 8 /* count */
        start local 8 // int count
        10: .line 279
            goto 14
        11: .line 281
      StackMap locals: int int
      StackMap stack:
            aload 6 /* b0 */
            aload 6 /* b0 */
            arraylength
            iload 8 /* count */
            isub
            iload 7 /* q */
            sipush 255
            iand
            i2b
            bastore
        12: .line 282
            iload 7 /* q */
            bipush 8
            iushr
            istore 7 /* q */
        13: .line 283
            iinc 8 /* count */ 1
        14: .line 279
      StackMap locals:
      StackMap stack:
            iload 7 /* q */
            ifgt 11
        15: .line 286
            aload 5 /* cMac */
            aload 6 /* b0 */
            iconst_0
            aload 6 /* b0 */
            arraylength
            invokeinterface org.bouncycastle.crypto.Mac.update:([BII)V
        16: .line 291
            aload 0 /* this */
            invokevirtual org.bouncycastle.crypto.modes.CCMBlockCipher.hasAssociatedText:()Z
            ifeq 37
        17: .line 295
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            ldc 65280
            if_icmpge 22
        18: .line 297
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            bipush 8
            ishr
            i2b
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        19: .line 298
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            i2b
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        20: .line 300
            iconst_2
            istore 9 /* extra */
        start local 9 // int extra
        21: .line 301
            goto 29
        end local 9 // int extra
        22: .line 304
      StackMap locals:
      StackMap stack:
            aload 5 /* cMac */
            iconst_m1
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        23: .line 305
            aload 5 /* cMac */
            bipush -2
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        24: .line 306
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            bipush 24
            ishr
            i2b
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        25: .line 307
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            bipush 16
            ishr
            i2b
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        26: .line 308
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            bipush 8
            ishr
            i2b
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        27: .line 309
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            i2b
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        28: .line 311
            bipush 6
            istore 9 /* extra */
        start local 9 // int extra
        29: .line 314
      StackMap locals: int
      StackMap stack:
            aload 5 /* cMac */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            invokeinterface org.bouncycastle.crypto.Mac.update:([BII)V
        30: .line 316
            iload 9 /* extra */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            iadd
            bipush 16
            irem
            istore 9 /* extra */
        31: .line 317
            iload 9 /* extra */
            ifeq 37
        32: .line 319
            iconst_0
            istore 10 /* i */
        start local 10 // int i
        33: goto 36
        34: .line 321
      StackMap locals: int
      StackMap stack:
            aload 5 /* cMac */
            iconst_0
            invokeinterface org.bouncycastle.crypto.Mac.update:(B)V
        35: .line 319
            iinc 10 /* i */ 1
      StackMap locals:
      StackMap stack:
        36: iload 10 /* i */
            bipush 16
            iload 9 /* extra */
            isub
            if_icmpne 34
        end local 10 // int i
        end local 9 // int extra
        37: .line 329
      StackMap locals:
      StackMap stack:
            aload 5 /* cMac */
            aload 1 /* data */
            iload 2 /* dataOff */
            iload 3 /* dataLen */
            invokeinterface org.bouncycastle.crypto.Mac.update:([BII)V
        38: .line 331
            aload 5 /* cMac */
            aload 4 /* macBlock */
            iconst_0
            invokeinterface org.bouncycastle.crypto.Mac.doFinal:([BI)I
            ireturn
        end local 8 // int count
        end local 7 // int q
        end local 6 // byte[] b0
        end local 5 // org.bouncycastle.crypto.Mac cMac
        end local 4 // byte[] macBlock
        end local 3 // int dataLen
        end local 2 // int dataOff
        end local 1 // byte[] data
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   39     0      this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
            0   39     1      data  [B
            0   39     2   dataOff  I
            0   39     3   dataLen  I
            0   39     4  macBlock  [B
            1   39     5      cMac  Lorg/bouncycastle/crypto/Mac;
            3   39     6        b0  [B
            9   39     7         q  I
           10   39     8     count  I
           21   22     9     extra  I
           29   37     9     extra  I
           33   37    10         i  I
    MethodParameters:
          Name  Flags
      data      
      dataOff   
      dataLen   
      macBlock  

  private boolean hasAssociatedText();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
         0: .line 336
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            ifnull 1
            aload 0 /* this */
            getfield org.bouncycastle.crypto.modes.CCMBlockCipher.associatedText:[B
            arraylength
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.bouncycastle.crypto.modes.CCMBlockCipher this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/crypto/modes/CCMBlockCipher;
}
SourceFile: "CCMBlockCipher.java"