public abstract class java.security.MessageDigestSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.security.MessageDigestSpi
  super_class: java.lang.Object
{
  private byte[] tempArray;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.security.MessageDigestSpi this
         0: .line 51
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // java.security.MessageDigestSpi this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/MessageDigestSpi;

  protected int engineGetDigestLength();
    descriptor: ()I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.security.MessageDigestSpi this
         0: .line 72
            iconst_0
            ireturn
        end local 0 // java.security.MessageDigestSpi this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/MessageDigestSpi;

  protected abstract void engineUpdate(byte);
    descriptor: (B)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    MethodParameters:
       Name  Flags
      input  

  protected abstract void engineUpdate(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      input   
      offset  
      len     

  protected void engineUpdate(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // java.security.MessageDigestSpi this
        start local 1 // java.nio.ByteBuffer input
         0: .line 106
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.hasRemaining:()Z
            ifne 2
         1: .line 107
            return
         2: .line 109
      StackMap locals:
      StackMap stack:
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.hasArray:()Z
            ifeq 10
         3: .line 110
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.array:()[B
            astore 2 /* b */
        start local 2 // byte[] b
         4: .line 111
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.arrayOffset:()I
            istore 3 /* ofs */
        start local 3 // int ofs
         5: .line 112
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.position:()I
            istore 4 /* pos */
        start local 4 // int pos
         6: .line 113
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.limit:()I
            istore 5 /* lim */
        start local 5 // int lim
         7: .line 114
            aload 0 /* this */
            aload 2 /* b */
            iload 3 /* ofs */
            iload 4 /* pos */
            iadd
            iload 5 /* lim */
            iload 4 /* pos */
            isub
            invokevirtual java.security.MessageDigestSpi.engineUpdate:([BII)V
         8: .line 115
            aload 1 /* input */
            iload 5 /* lim */
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
        end local 5 // int lim
        end local 4 // int pos
        end local 3 // int ofs
        end local 2 // byte[] b
         9: .line 116
            goto 20
        10: .line 117
      StackMap locals:
      StackMap stack:
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.remaining:()I
            istore 2 /* len */
        start local 2 // int len
        11: .line 118
            iload 2 /* len */
            invokestatic sun.security.jca.JCAUtil.getTempArraySize:(I)I
            istore 3 /* n */
        start local 3 // int n
        12: .line 119
            aload 0 /* this */
            getfield java.security.MessageDigestSpi.tempArray:[B
            ifnull 13
            iload 3 /* n */
            aload 0 /* this */
            getfield java.security.MessageDigestSpi.tempArray:[B
            arraylength
            if_icmple 19
        13: .line 120
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            iload 3 /* n */
            newarray 8
            putfield java.security.MessageDigestSpi.tempArray:[B
        14: .line 122
            goto 19
        15: .line 123
      StackMap locals:
      StackMap stack:
            iload 2 /* len */
            aload 0 /* this */
            getfield java.security.MessageDigestSpi.tempArray:[B
            arraylength
            invokestatic java.lang.Math.min:(II)I
            istore 4 /* chunk */
        start local 4 // int chunk
        16: .line 124
            aload 1 /* input */
            aload 0 /* this */
            getfield java.security.MessageDigestSpi.tempArray:[B
            iconst_0
            iload 4 /* chunk */
            invokevirtual java.nio.ByteBuffer.get:([BII)Ljava/nio/ByteBuffer;
            pop
        17: .line 125
            aload 0 /* this */
            aload 0 /* this */
            getfield java.security.MessageDigestSpi.tempArray:[B
            iconst_0
            iload 4 /* chunk */
            invokevirtual java.security.MessageDigestSpi.engineUpdate:([BII)V
        18: .line 126
            iload 2 /* len */
            iload 4 /* chunk */
            isub
            istore 2 /* len */
        end local 4 // int chunk
        19: .line 122
      StackMap locals:
      StackMap stack:
            iload 2 /* len */
            ifgt 15
        end local 3 // int n
        end local 2 // int len
        20: .line 129
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.nio.ByteBuffer input
        end local 0 // java.security.MessageDigestSpi this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   21     0   this  Ljava/security/MessageDigestSpi;
            0   21     1  input  Ljava/nio/ByteBuffer;
            4    9     2      b  [B
            5    9     3    ofs  I
            6    9     4    pos  I
            7    9     5    lim  I
           11   20     2    len  I
           12   20     3      n  I
           16   19     4  chunk  I
    MethodParameters:
       Name  Flags
      input  

  protected abstract byte[] engineDigest();
    descriptor: ()[B
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT

  protected int engineDigest(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // java.security.MessageDigestSpi this
        start local 1 // byte[] buf
        start local 2 // int offset
        start local 3 // int len
         0: .line 176
            aload 0 /* this */
            invokevirtual java.security.MessageDigestSpi.engineDigest:()[B
            astore 4 /* digest */
        start local 4 // byte[] digest
         1: .line 177
            iload 3 /* len */
            aload 4 /* digest */
            arraylength
            if_icmpge 3
         2: .line 178
            new java.security.DigestException
            dup
            ldc "partial digests not returned"
            invokespecial java.security.DigestException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 179
      StackMap locals: byte[]
      StackMap stack:
            aload 1 /* buf */
            arraylength
            iload 2 /* offset */
            isub
            aload 4 /* digest */
            arraylength
            if_icmpge 5
         4: .line 180
            new java.security.DigestException
            dup
            ldc "insufficient space in the output buffer to store the digest"
            invokespecial java.security.DigestException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 182
      StackMap locals:
      StackMap stack:
            aload 4 /* digest */
            iconst_0
            aload 1 /* buf */
            iload 2 /* offset */
            aload 4 /* digest */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 183
            aload 4 /* digest */
            arraylength
            ireturn
        end local 4 // byte[] digest
        end local 3 // int len
        end local 2 // int offset
        end local 1 // byte[] buf
        end local 0 // java.security.MessageDigestSpi this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Ljava/security/MessageDigestSpi;
            0    7     1     buf  [B
            0    7     2  offset  I
            0    7     3     len  I
            1    7     4  digest  [B
    Exceptions:
      throws java.security.DigestException
    MethodParameters:
        Name  Flags
      buf     
      offset  
      len     

  protected abstract void engineReset();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT

  public java.lang.Object clone();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.security.MessageDigestSpi this
         0: .line 200
            aload 0 /* this */
            instanceof java.lang.Cloneable
            ifeq 2
         1: .line 201
            aload 0 /* this */
            invokespecial java.lang.Object.clone:()Ljava/lang/Object;
            areturn
         2: .line 203
      StackMap locals:
      StackMap stack:
            new java.lang.CloneNotSupportedException
            dup
            invokespecial java.lang.CloneNotSupportedException.<init>:()V
            athrow
        end local 0 // java.security.MessageDigestSpi this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/security/MessageDigestSpi;
    Exceptions:
      throws java.lang.CloneNotSupportedException
}
SourceFile: "MessageDigestSpi.java"