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.jcajce.io.CipherInputStream extends java.io.FilterInputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jcajce.io.CipherInputStream
  super_class: java.io.FilterInputStream
{
  private final javax.crypto.Cipher cipher;
    descriptor: Ljavax/crypto/Cipher;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

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

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

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

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

  public void <init>(java.io.InputStream, javax.crypto.Cipher);
    descriptor: (Ljava/io/InputStream;Ljavax/crypto/Cipher;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
        start local 1 // java.io.InputStream input
        start local 2 // javax.crypto.Cipher cipher
         0: .line 43
            aload 0 /* this */
            aload 1 /* input */
            invokespecial java.io.FilterInputStream.<init>:(Ljava/io/InputStream;)V
         1: .line 32
            aload 0 /* this */
            sipush 512
            newarray 8
            putfield org.bouncycastle.jcajce.io.CipherInputStream.inputBuffer:[B
         2: .line 33
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.jcajce.io.CipherInputStream.finalized:Z
         3: .line 44
            aload 0 /* this */
            aload 2 /* cipher */
            putfield org.bouncycastle.jcajce.io.CipherInputStream.cipher:Ljavax/crypto/Cipher;
         4: .line 45
            return
        end local 2 // javax.crypto.Cipher cipher
        end local 1 // java.io.InputStream input
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
            0    5     1   input  Ljava/io/InputStream;
            0    5     2  cipher  Ljavax/crypto/Cipher;
    MethodParameters:
        Name  Flags
      input   
      cipher  

  private int nextChunk();
    descriptor: ()I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
         0: .line 56
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.finalized:Z
            ifeq 2
         1: .line 58
            iconst_m1
            ireturn
         2: .line 61
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
         3: .line 62
            aload 0 /* this */
            iconst_0
            putfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
         4: .line 65
            goto 15
         5: .line 67
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.in:Ljava/io/InputStream;
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.inputBuffer:[B
            invokevirtual java.io.InputStream.read:([B)I
            istore 1 /* read */
        start local 1 // int read
         6: .line 68
            iload 1 /* read */
            iconst_m1
            if_icmpne 12
         7: .line 70
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.bouncycastle.jcajce.io.CipherInputStream.finaliseCipher:()[B
            putfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
         8: .line 71
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
            ifnull 9
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
            arraylength
            ifne 10
         9: .line 73
      StackMap locals: int
      StackMap stack:
            iconst_m1
            ireturn
        10: .line 75
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
            arraylength
            putfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
        11: .line 76
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
            ireturn
        12: .line 79
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.cipher:Ljavax/crypto/Cipher;
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.inputBuffer:[B
            iconst_0
            iload 1 /* read */
            invokevirtual javax.crypto.Cipher.update:([BII)[B
            putfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
        13: .line 80
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
            ifnull 15
        14: .line 82
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
            arraylength
            putfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
        end local 1 // int read
        15: .line 65
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
            ifeq 5
        16: .line 85
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
            ireturn
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   17     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
            6   15     1  read  I
    Exceptions:
      throws java.io.IOException

  private byte[] finaliseCipher();
    descriptor: ()[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
         0: .line 93
            aload 0 /* this */
            iconst_1
            putfield org.bouncycastle.jcajce.io.CipherInputStream.finalized:Z
         1: .line 94
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.cipher:Ljavax/crypto/Cipher;
            invokevirtual javax.crypto.Cipher.doFinal:()[B
         2: areturn
         3: .line 96
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 1 /* e */
        start local 1 // java.security.GeneralSecurityException e
         4: .line 98
            new org.bouncycastle.crypto.io.InvalidCipherTextIOException
            dup
            ldc "Error finalising cipher"
            aload 1 /* e */
            invokespecial org.bouncycastle.crypto.io.InvalidCipherTextIOException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.security.GeneralSecurityException e
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
            4    5     1     e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           0     2       3  Class java.security.GeneralSecurityException
    Exceptions:
      throws org.bouncycastle.crypto.io.InvalidCipherTextIOException

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
         0: .line 115
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
            if_icmplt 3
         1: .line 117
            aload 0 /* this */
            invokevirtual org.bouncycastle.jcajce.io.CipherInputStream.nextChunk:()I
            ifge 3
         2: .line 119
            iconst_m1
            ireturn
         3: .line 123
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
            aload 0 /* this */
            dup
            getfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            dup_x1
            iconst_1
            iadd
            putfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            baload
            sipush 255
            iand
            ireturn
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
    Exceptions:
      throws java.io.IOException

  public int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 144
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
            if_icmplt 3
         1: .line 146
            aload 0 /* this */
            invokevirtual org.bouncycastle.jcajce.io.CipherInputStream.nextChunk:()I
            ifge 3
         2: .line 148
            iconst_m1
            ireturn
         3: .line 152
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            aload 0 /* this */
            invokevirtual org.bouncycastle.jcajce.io.CipherInputStream.available:()I
            invokestatic java.lang.Math.min:(II)I
            istore 4 /* toSupply */
        start local 4 // int toSupply
         4: .line 153
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.buf:[B
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            aload 1 /* b */
            iload 2 /* off */
            iload 4 /* toSupply */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 154
            aload 0 /* this */
            dup
            getfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            iload 4 /* toSupply */
            iadd
            putfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
         6: .line 155
            iload 4 /* toSupply */
            ireturn
        end local 4 // int toSupply
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
            0    7     1         b  [B
            0    7     2       off  I
            0    7     3       len  I
            4    7     4  toSupply  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
        start local 1 // long n
         0: .line 161
            lload 1 /* n */
            lconst_0
            lcmp
            ifgt 2
         1: .line 163
            lconst_0
            lreturn
         2: .line 166
      StackMap locals:
      StackMap stack:
            lload 1 /* n */
            aload 0 /* this */
            invokevirtual org.bouncycastle.jcajce.io.CipherInputStream.available:()I
            i2l
            invokestatic java.lang.Math.min:(JJ)J
            l2i
            istore 3 /* skip */
        start local 3 // int skip
         3: .line 167
            aload 0 /* this */
            dup
            getfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            iload 3 /* skip */
            iadd
            putfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
         4: .line 168
            iload 3 /* skip */
            i2l
            lreturn
        end local 3 // int skip
        end local 1 // long n
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
            0    5     1     n  J
            3    5     3  skip  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     

  public int available();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
         0: .line 174
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            isub
            ireturn
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
         0: .line 190
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         1: .line 191
            goto 6
         2: .line 193
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1
         3: .line 194
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.finalized:Z
            ifne 5
         4: .line 198
            aload 0 /* this */
            invokevirtual org.bouncycastle.jcajce.io.CipherInputStream.finaliseCipher:()[B
            pop
         5: .line 200
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aload 1
            athrow
         6: .line 194
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.jcajce.io.CipherInputStream.finalized:Z
            ifne 8
         7: .line 198
            aload 0 /* this */
            invokevirtual org.bouncycastle.jcajce.io.CipherInputStream.finaliseCipher:()[B
            pop
         8: .line 201
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            iconst_0
            dup_x1
            putfield org.bouncycastle.jcajce.io.CipherInputStream.bufOff:I
            putfield org.bouncycastle.jcajce.io.CipherInputStream.maxBuf:I
         9: .line 202
            return
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
      Exception table:
        from    to  target  type
           0     2       2  any
    Exceptions:
      throws java.io.IOException

  public void mark(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=2, args_size=2
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
        start local 1 // int readlimit
         0: .line 206
            return
        end local 1 // int readlimit
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
            0    1     1  readlimit  I
    MethodParameters:
           Name  Flags
      readlimit  

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
         0: .line 211
            return
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
    Exceptions:
      throws java.io.IOException

  public boolean markSupported();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
         0: .line 215
            iconst_0
            ireturn
        end local 0 // org.bouncycastle.jcajce.io.CipherInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jcajce/io/CipherInputStream;
}
SourceFile: "CipherInputStream.java"