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 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
class org.bouncycastle.jcajce.io.MacUpdatingOutputStream extends java.io.OutputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.jcajce.io.MacUpdatingOutputStream
  super_class: java.io.OutputStream
{
  private javax.crypto.Mac mac;
    descriptor: Ljavax/crypto/Mac;
    flags: (0x0002) ACC_PRIVATE

  void <init>(javax.crypto.Mac);
    descriptor: (Ljavax/crypto/Mac;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
        start local 1 // javax.crypto.Mac mac
         0: .line 13
            aload 0 /* this */
            invokespecial java.io.OutputStream.<init>:()V
         1: .line 15
            aload 0 /* this */
            aload 1 /* mac */
            putfield org.bouncycastle.jcajce.io.MacUpdatingOutputStream.mac:Ljavax/crypto/Mac;
         2: .line 16
            return
        end local 1 // javax.crypto.Mac mac
        end local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/jcajce/io/MacUpdatingOutputStream;
            0    3     1   mac  Ljavax/crypto/Mac;
    MethodParameters:
      Name  Flags
      mac   

  public void write(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
        start local 1 // byte[] bytes
        start local 2 // int off
        start local 3 // int len
         0: .line 21
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.MacUpdatingOutputStream.mac:Ljavax/crypto/Mac;
            aload 1 /* bytes */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual javax.crypto.Mac.update:([BII)V
         1: .line 22
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] bytes
        end local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/bouncycastle/jcajce/io/MacUpdatingOutputStream;
            0    2     1  bytes  [B
            0    2     2    off  I
            0    2     3    len  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      bytes  
      off    
      len    

  public void write(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
        start local 1 // byte[] bytes
         0: .line 27
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.MacUpdatingOutputStream.mac:Ljavax/crypto/Mac;
            aload 1 /* bytes */
            invokevirtual javax.crypto.Mac.update:([B)V
         1: .line 28
            return
        end local 1 // byte[] bytes
        end local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/bouncycastle/jcajce/io/MacUpdatingOutputStream;
            0    2     1  bytes  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      bytes  

  public void write(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
        start local 1 // int b
         0: .line 33
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.MacUpdatingOutputStream.mac:Ljavax/crypto/Mac;
            iload 1 /* b */
            i2b
            invokevirtual javax.crypto.Mac.update:(B)V
         1: .line 34
            return
        end local 1 // int b
        end local 0 // org.bouncycastle.jcajce.io.MacUpdatingOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/jcajce/io/MacUpdatingOutputStream;
            0    2     1     b  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
}
SourceFile: "MacUpdatingOutputStream.java"