public abstract class java.security.SignatureSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.security.SignatureSpi
  super_class: java.lang.Object
{
  protected java.security.SecureRandom appRandom;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x0004) ACC_PROTECTED

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.security.SignatureSpi this
         0: .line 53
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 58
            aload 0 /* this */
            aconst_null
            putfield java.security.SignatureSpi.appRandom:Ljava/security/SecureRandom;
         2: .line 53
            return
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/security/SignatureSpi;

  protected abstract void engineInitVerify(java.security.PublicKey);
    descriptor: (Ljava/security/PublicKey;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
           Name  Flags
      publicKey  

  void engineInitVerify(java.security.PublicKey, java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/security/PublicKey;Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // java.security.SignatureSpi this
        start local 1 // java.security.PublicKey publicKey
        start local 2 // java.security.spec.AlgorithmParameterSpec params
         0: .line 89
            aload 2 /* params */
            ifnull 5
         1: .line 91
            aload 0 /* this */
            aload 2 /* params */
            invokevirtual java.security.SignatureSpi.engineSetParameter:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 92
            goto 5
      StackMap locals:
      StackMap stack: java.lang.UnsupportedOperationException
         3: astore 3 /* usoe */
        start local 3 // java.lang.UnsupportedOperationException usoe
         4: .line 94
            new java.security.InvalidAlgorithmParameterException
            dup
            aload 3 /* usoe */
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.lang.UnsupportedOperationException usoe
         5: .line 97
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* publicKey */
            invokevirtual java.security.SignatureSpi.engineInitVerify:(Ljava/security/PublicKey;)V
         6: .line 98
            return
        end local 2 // java.security.spec.AlgorithmParameterSpec params
        end local 1 // java.security.PublicKey publicKey
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    7     0       this  Ljava/security/SignatureSpi;
            0    7     1  publicKey  Ljava/security/PublicKey;
            0    7     2     params  Ljava/security/spec/AlgorithmParameterSpec;
            4    5     3       usoe  Ljava/lang/UnsupportedOperationException;
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.UnsupportedOperationException
    Exceptions:
      throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
    MethodParameters:
           Name  Flags
      publicKey  
      params     

  protected abstract void engineInitSign(java.security.PrivateKey);
    descriptor: (Ljava/security/PrivateKey;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
            Name  Flags
      privateKey  

  protected void engineInitSign(java.security.PrivateKey, java.security.SecureRandom);
    descriptor: (Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.security.SignatureSpi this
        start local 1 // java.security.PrivateKey privateKey
        start local 2 // java.security.SecureRandom random
         0: .line 130
            aload 0 /* this */
            aload 2 /* random */
            putfield java.security.SignatureSpi.appRandom:Ljava/security/SecureRandom;
         1: .line 131
            aload 0 /* this */
            aload 1 /* privateKey */
            invokevirtual java.security.SignatureSpi.engineInitSign:(Ljava/security/PrivateKey;)V
         2: .line 132
            return
        end local 2 // java.security.SecureRandom random
        end local 1 // java.security.PrivateKey privateKey
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Ljava/security/SignatureSpi;
            0    3     1  privateKey  Ljava/security/PrivateKey;
            0    3     2      random  Ljava/security/SecureRandom;
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
            Name  Flags
      privateKey  
      random      

  void engineInitSign(java.security.PrivateKey, java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom);
    descriptor: (Ljava/security/PrivateKey;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=5, args_size=4
        start local 0 // java.security.SignatureSpi this
        start local 1 // java.security.PrivateKey privateKey
        start local 2 // java.security.spec.AlgorithmParameterSpec params
        start local 3 // java.security.SecureRandom random
         0: .line 154
            aload 2 /* params */
            ifnull 5
         1: .line 156
            aload 0 /* this */
            aload 2 /* params */
            invokevirtual java.security.SignatureSpi.engineSetParameter:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 157
            goto 5
      StackMap locals:
      StackMap stack: java.lang.UnsupportedOperationException
         3: astore 4 /* usoe */
        start local 4 // java.lang.UnsupportedOperationException usoe
         4: .line 159
            new java.security.InvalidAlgorithmParameterException
            dup
            aload 4 /* usoe */
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 4 // java.lang.UnsupportedOperationException usoe
         5: .line 162
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* privateKey */
            aload 3 /* random */
            invokevirtual java.security.SignatureSpi.engineInitSign:(Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
         6: .line 163
            return
        end local 3 // java.security.SecureRandom random
        end local 2 // java.security.spec.AlgorithmParameterSpec params
        end local 1 // java.security.PrivateKey privateKey
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    7     0        this  Ljava/security/SignatureSpi;
            0    7     1  privateKey  Ljava/security/PrivateKey;
            0    7     2      params  Ljava/security/spec/AlgorithmParameterSpec;
            0    7     3      random  Ljava/security/SecureRandom;
            4    5     4        usoe  Ljava/lang/UnsupportedOperationException;
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.UnsupportedOperationException
    Exceptions:
      throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
    MethodParameters:
            Name  Flags
      privateKey  
      params      
      random      

  protected abstract void engineUpdate(byte);
    descriptor: (B)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
      Name  Flags
      b     

  protected abstract void engineUpdate(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
      Name  Flags
      b     
      off   
      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.SignatureSpi this
        start local 1 // java.nio.ByteBuffer input
         0: .line 201
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.hasRemaining:()Z
            ifne 2
         1: .line 202
            return
         2: .line 205
      StackMap locals:
      StackMap stack:
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.hasArray:()Z
            ifeq 10
         3: .line 206
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.array:()[B
            astore 2 /* b */
        start local 2 // byte[] b
         4: .line 207
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.arrayOffset:()I
            istore 3 /* ofs */
        start local 3 // int ofs
         5: .line 208
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.position:()I
            istore 4 /* pos */
        start local 4 // int pos
         6: .line 209
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.limit:()I
            istore 5 /* lim */
        start local 5 // int lim
         7: .line 210
            aload 0 /* this */
            aload 2 /* b */
            iload 3 /* ofs */
            iload 4 /* pos */
            iadd
            iload 5 /* lim */
            iload 4 /* pos */
            isub
            invokevirtual java.security.SignatureSpi.engineUpdate:([BII)V
         8: .line 211
            aload 1 /* input */
            iload 5 /* lim */
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/ByteBuffer;
            pop
        end local 5 // int lim
        end local 4 // int pos
        end local 3 // int ofs
        end local 2 // byte[] b
         9: .line 212
            goto 21
        10: .line 213
      StackMap locals:
      StackMap stack:
            aload 1 /* input */
            invokevirtual java.nio.ByteBuffer.remaining:()I
            istore 2 /* len */
        start local 2 // int len
        11: .line 214
            iload 2 /* len */
            invokestatic sun.security.jca.JCAUtil.getTempArraySize:(I)I
            newarray 8
            astore 3 /* b */
        start local 3 // byte[] b
        12: .line 215
            goto 17
        13: .line 216
      StackMap locals: int byte[]
      StackMap stack:
            iload 2 /* len */
            aload 3 /* b */
            arraylength
            invokestatic java.lang.Math.min:(II)I
            istore 4 /* chunk */
        start local 4 // int chunk
        14: .line 217
            aload 1 /* input */
            aload 3 /* b */
            iconst_0
            iload 4 /* chunk */
            invokevirtual java.nio.ByteBuffer.get:([BII)Ljava/nio/ByteBuffer;
            pop
        15: .line 218
            aload 0 /* this */
            aload 3 /* b */
            iconst_0
            iload 4 /* chunk */
            invokevirtual java.security.SignatureSpi.engineUpdate:([BII)V
        16: .line 219
            iload 2 /* len */
            iload 4 /* chunk */
            isub
            istore 2 /* len */
        end local 4 // int chunk
        17: .line 215
      StackMap locals:
      StackMap stack:
            iload 2 /* len */
            ifgt 13
        end local 3 // byte[] b
        end local 2 // int len
        18: .line 222
            goto 21
      StackMap locals: java.security.SignatureSpi java.nio.ByteBuffer
      StackMap stack: java.security.SignatureException
        19: astore 2 /* e */
        start local 2 // java.security.SignatureException e
        20: .line 225
            new java.security.ProviderException
            dup
            ldc "update() failed"
            aload 2 /* e */
            invokespecial java.security.ProviderException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.security.SignatureException e
        21: .line 227
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.nio.ByteBuffer input
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   22     0   this  Ljava/security/SignatureSpi;
            0   22     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   18     2    len  I
           12   18     3      b  [B
           14   17     4  chunk  I
           20   21     2      e  Ljava/security/SignatureException;
      Exception table:
        from    to  target  type
           2    18      19  Class java.security.SignatureException
    MethodParameters:
       Name  Flags
      input  

  protected abstract byte[] engineSign();
    descriptor: ()[B
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.SignatureException

  protected int engineSign(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // java.security.SignatureSpi this
        start local 1 // byte[] outbuf
        start local 2 // int offset
        start local 3 // int len
         0: .line 285
            aload 0 /* this */
            invokevirtual java.security.SignatureSpi.engineSign:()[B
            astore 4 /* sig */
        start local 4 // byte[] sig
         1: .line 286
            iload 3 /* len */
            aload 4 /* sig */
            arraylength
            if_icmpge 5
         2: .line 287
            new java.security.SignatureException
            dup
         3: .line 288
            ldc "partial signatures not returned"
         4: .line 287
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 290
      StackMap locals: byte[]
      StackMap stack:
            aload 1 /* outbuf */
            arraylength
            iload 2 /* offset */
            isub
            aload 4 /* sig */
            arraylength
            if_icmpge 9
         6: .line 291
            new java.security.SignatureException
            dup
         7: .line 292
            ldc "insufficient space in the output buffer to store the signature"
         8: .line 291
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 295
      StackMap locals:
      StackMap stack:
            aload 4 /* sig */
            iconst_0
            aload 1 /* outbuf */
            iload 2 /* offset */
            aload 4 /* sig */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        10: .line 296
            aload 4 /* sig */
            arraylength
            ireturn
        end local 4 // byte[] sig
        end local 3 // int len
        end local 2 // int offset
        end local 1 // byte[] outbuf
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Ljava/security/SignatureSpi;
            0   11     1  outbuf  [B
            0   11     2  offset  I
            0   11     3     len  I
            1   11     4     sig  [B
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
        Name  Flags
      outbuf  
      offset  
      len     

  protected abstract boolean engineVerify(byte[]);
    descriptor: ([B)Z
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
          Name  Flags
      sigBytes  

  protected boolean engineVerify(byte[], int, int);
    descriptor: ([BII)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // java.security.SignatureSpi this
        start local 1 // byte[] sigBytes
        start local 2 // int offset
        start local 3 // int length
         0: .line 335
            iload 3 /* length */
            newarray 8
            astore 4 /* sigBytesCopy */
        start local 4 // byte[] sigBytesCopy
         1: .line 336
            aload 1 /* sigBytes */
            iload 2 /* offset */
            aload 4 /* sigBytesCopy */
            iconst_0
            iload 3 /* length */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 337
            aload 0 /* this */
            aload 4 /* sigBytesCopy */
            invokevirtual java.security.SignatureSpi.engineVerify:([B)Z
            ireturn
        end local 4 // byte[] sigBytesCopy
        end local 3 // int length
        end local 2 // int offset
        end local 1 // byte[] sigBytes
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    3     0          this  Ljava/security/SignatureSpi;
            0    3     1      sigBytes  [B
            0    3     2        offset  I
            0    3     3        length  I
            1    3     4  sigBytesCopy  [B
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
          Name  Flags
      sigBytes  
      offset    
      length    

  protected abstract void engineSetParameter(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.InvalidParameterException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
       Name  Flags
      param  
      value  

  protected void engineSetParameter(java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.security.SignatureSpi this
        start local 1 // java.security.spec.AlgorithmParameterSpec params
         0: .line 383
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.security.spec.AlgorithmParameterSpec params
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Ljava/security/SignatureSpi;
            0    1     1  params  Ljava/security/spec/AlgorithmParameterSpec;
    Exceptions:
      throws java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      params  

  protected java.security.AlgorithmParameters engineGetParameters();
    descriptor: ()Ljava/security/AlgorithmParameters;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.security.SignatureSpi this
         0: .line 405
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/security/SignatureSpi;

  protected abstract java.lang.Object engineGetParameter(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Object;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.InvalidParameterException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
       Name  Flags
      param  

  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.SignatureSpi this
         0: .line 443
            aload 0 /* this */
            instanceof java.lang.Cloneable
            ifeq 2
         1: .line 444
            aload 0 /* this */
            invokespecial java.lang.Object.clone:()Ljava/lang/Object;
            areturn
         2: .line 446
      StackMap locals:
      StackMap stack:
            new java.lang.CloneNotSupportedException
            dup
            invokespecial java.lang.CloneNotSupportedException.<init>:()V
            athrow
        end local 0 // java.security.SignatureSpi this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/security/SignatureSpi;
    Exceptions:
      throws java.lang.CloneNotSupportedException
}
SourceFile: "SignatureSpi.java"