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. 
public class org.bouncycastle.util.io.BufferingOutputStream extends java.io.OutputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.util.io.BufferingOutputStream
  super_class: java.io.OutputStream
{
  private final java.io.OutputStream other;
    descriptor: Ljava/io/OutputStream;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final byte[] buf;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  public void <init>(java.io.OutputStream);
    descriptor: (Ljava/io/OutputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.util.io.BufferingOutputStream this
        start local 1 // java.io.OutputStream other
         0: .line 27
            aload 0 /* this */
            invokespecial java.io.OutputStream.<init>:()V
         1: .line 29
            aload 0 /* this */
            aload 1 /* other */
            putfield org.bouncycastle.util.io.BufferingOutputStream.other:Ljava/io/OutputStream;
         2: .line 30
            aload 0 /* this */
            sipush 4096
            newarray 8
            putfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
         3: .line 31
            return
        end local 1 // java.io.OutputStream other
        end local 0 // org.bouncycastle.util.io.BufferingOutputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/bouncycastle/util/io/BufferingOutputStream;
            0    4     1  other  Ljava/io/OutputStream;
    MethodParameters:
       Name  Flags
      other  

  public void <init>(java.io.OutputStream, int);
    descriptor: (Ljava/io/OutputStream;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.util.io.BufferingOutputStream this
        start local 1 // java.io.OutputStream other
        start local 2 // int bufferSize
         0: .line 39
            aload 0 /* this */
            invokespecial java.io.OutputStream.<init>:()V
         1: .line 41
            aload 0 /* this */
            aload 1 /* other */
            putfield org.bouncycastle.util.io.BufferingOutputStream.other:Ljava/io/OutputStream;
         2: .line 42
            aload 0 /* this */
            iload 2 /* bufferSize */
            newarray 8
            putfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
         3: .line 43
            return
        end local 2 // int bufferSize
        end local 1 // java.io.OutputStream other
        end local 0 // org.bouncycastle.util.io.BufferingOutputStream this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/bouncycastle/util/io/BufferingOutputStream;
            0    4     1       other  Ljava/io/OutputStream;
            0    4     2  bufferSize  I
    MethodParameters:
            Name  Flags
      other       
      bufferSize  

  public void write(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // org.bouncycastle.util.io.BufferingOutputStream this
        start local 1 // byte[] bytes
        start local 2 // int offset
        start local 3 // int len
         0: .line 48
            iload 3 /* len */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            isub
            if_icmpge 4
         1: .line 50
            aload 1 /* bytes */
            iload 2 /* offset */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            iload 3 /* len */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 51
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            iload 3 /* len */
            iadd
            putfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
         3: .line 52
            goto 18
         4: .line 55
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            arraylength
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            isub
            istore 4 /* gap */
        start local 4 // int gap
         5: .line 57
            aload 1 /* bytes */
            iload 2 /* offset */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            iload 4 /* gap */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 58
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            iload 4 /* gap */
            iadd
            putfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
         7: .line 60
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.io.BufferingOutputStream.flush:()V
         8: .line 62
            iload 2 /* offset */
            iload 4 /* gap */
            iadd
            istore 2 /* offset */
         9: .line 63
            iload 3 /* len */
            iload 4 /* gap */
            isub
            istore 3 /* len */
        10: .line 64
            goto 14
        11: .line 66
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.other:Ljava/io/OutputStream;
            aload 1 /* bytes */
            iload 2 /* offset */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            arraylength
            invokevirtual java.io.OutputStream.write:([BII)V
        12: .line 67
            iload 2 /* offset */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            arraylength
            iadd
            istore 2 /* offset */
        13: .line 68
            iload 3 /* len */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            arraylength
            isub
            istore 3 /* len */
        14: .line 64
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            arraylength
            if_icmpge 11
        15: .line 71
            iload 3 /* len */
            ifle 18
        16: .line 73
            aload 1 /* bytes */
            iload 2 /* offset */
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            iload 3 /* len */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        17: .line 74
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            iload 3 /* len */
            iadd
            putfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
        end local 4 // int gap
        18: .line 77
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int len
        end local 2 // int offset
        end local 1 // byte[] bytes
        end local 0 // org.bouncycastle.util.io.BufferingOutputStream this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   19     0    this  Lorg/bouncycastle/util/io/BufferingOutputStream;
            0   19     1   bytes  [B
            0   19     2  offset  I
            0   19     3     len  I
            5   18     4     gap  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      bytes   
      offset  
      len     

  public void write(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.util.io.BufferingOutputStream this
        start local 1 // int b
         0: .line 82
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            aload 0 /* this */
            dup
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            dup_x1
            iconst_1
            iadd
            putfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            iload 1 /* b */
            i2b
            bastore
         1: .line 83
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            arraylength
            if_icmpne 3
         2: .line 85
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.io.BufferingOutputStream.flush:()V
         3: .line 87
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int b
        end local 0 // org.bouncycastle.util.io.BufferingOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/util/io/BufferingOutputStream;
            0    4     1     b  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public void flush();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.bouncycastle.util.io.BufferingOutputStream this
         0: .line 97
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.other:Ljava/io/OutputStream;
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
            invokevirtual java.io.OutputStream.write:([BII)V
         1: .line 98
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.util.io.BufferingOutputStream.bufOff:I
         2: .line 99
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.buf:[B
            iconst_0
            invokestatic org.bouncycastle.util.Arrays.fill:([BB)V
         3: .line 100
            return
        end local 0 // org.bouncycastle.util.io.BufferingOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/util/io/BufferingOutputStream;
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.util.io.BufferingOutputStream this
         0: .line 105
            aload 0 /* this */
            invokevirtual org.bouncycastle.util.io.BufferingOutputStream.flush:()V
         1: .line 106
            aload 0 /* this */
            getfield org.bouncycastle.util.io.BufferingOutputStream.other:Ljava/io/OutputStream;
            invokevirtual java.io.OutputStream.close:()V
         2: .line 107
            return
        end local 0 // org.bouncycastle.util.io.BufferingOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/util/io/BufferingOutputStream;
    Exceptions:
      throws java.io.IOException
}
SourceFile: "BufferingOutputStream.java"