abstract class sun.security.ec.ECDSASignature extends java.security.SignatureSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: sun.security.ec.ECDSASignature
  super_class: java.security.SignatureSpi
{
  private final java.security.MessageDigest messageDigest;
    descriptor: Ljava/security/MessageDigest;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private java.security.SecureRandom random;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x0002) ACC_PRIVATE

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

  private java.security.interfaces.ECPrivateKey privateKey;
    descriptor: Ljava/security/interfaces/ECPrivateKey;
    flags: (0x0002) ACC_PRIVATE

  private java.security.interfaces.ECPublicKey publicKey;
    descriptor: Ljava/security/interfaces/ECPublicKey;
    flags: (0x0002) ACC_PRIVATE

  private final boolean p1363Format;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.security.ec.ECDSASignature this
         0: .line 84
            aload 0 /* this */
            iconst_0
            invokespecial sun.security.ec.ECDSASignature.<init>:(Z)V
         1: .line 85
            return
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/security/ec/ECDSASignature;

  void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // boolean p1363Format
         0: .line 94
            aload 0 /* this */
            invokespecial java.security.SignatureSpi.<init>:()V
         1: .line 95
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
         2: .line 96
            aload 0 /* this */
            iload 1 /* p1363Format */
            putfield sun.security.ec.ECDSASignature.p1363Format:Z
         3: .line 97
            return
        end local 1 // boolean p1363Format
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    4     0         this  Lsun/security/ec/ECDSASignature;
            0    4     1  p1363Format  Z
    MethodParameters:
             Name  Flags
      p1363Format  

  void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.lang.String digestName
         0: .line 103
            aload 0 /* this */
            aload 1 /* digestName */
            iconst_0
            invokespecial sun.security.ec.ECDSASignature.<init>:(Ljava/lang/String;Z)V
         1: .line 104
            return
        end local 1 // java.lang.String digestName
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lsun/security/ec/ECDSASignature;
            0    2     1  digestName  Ljava/lang/String;
    MethodParameters:
            Name  Flags
      digestName  

  void <init>(java.lang.String, boolean);
    descriptor: (Ljava/lang/String;Z)V
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.lang.String digestName
        start local 2 // boolean p1363Format
         0: .line 113
            aload 0 /* this */
            invokespecial java.security.SignatureSpi.<init>:()V
         1: .line 115
            aload 0 /* this */
            aload 1 /* digestName */
            invokestatic java.security.MessageDigest.getInstance:(Ljava/lang/String;)Ljava/security/MessageDigest;
            putfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
         2: .line 116
            goto 5
      StackMap locals: sun.security.ec.ECDSASignature java.lang.String int
      StackMap stack: java.security.NoSuchAlgorithmException
         3: astore 3 /* e */
        start local 3 // java.security.NoSuchAlgorithmException e
         4: .line 117
            new java.security.ProviderException
            dup
            aload 3 /* e */
            invokespecial java.security.ProviderException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.security.NoSuchAlgorithmException e
         5: .line 119
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         6: .line 120
            aload 0 /* this */
            iload 2 /* p1363Format */
            putfield sun.security.ec.ECDSASignature.p1363Format:Z
         7: .line 121
            return
        end local 2 // boolean p1363Format
        end local 1 // java.lang.String digestName
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    8     0         this  Lsun/security/ec/ECDSASignature;
            0    8     1   digestName  Ljava/lang/String;
            0    8     2  p1363Format  Z
            4    5     3            e  Ljava/security/NoSuchAlgorithmException;
      Exception table:
        from    to  target  type
           1     2       3  Class java.security.NoSuchAlgorithmException
    MethodParameters:
             Name  Flags
      digestName   
      p1363Format  

  protected void engineInitVerify(java.security.PublicKey);
    descriptor: (Ljava/security/PublicKey;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.PublicKey publicKey
         0: .line 282
            aload 0 /* this */
            aload 1 /* publicKey */
            invokestatic sun.security.ec.ECKeyFactory.toECKey:(Ljava/security/Key;)Ljava/security/interfaces/ECKey;
            checkcast java.security.interfaces.ECPublicKey
            putfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
         1: .line 286
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
         2: .line 287
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.resetDigest:()V
         3: .line 288
            return
        end local 1 // java.security.PublicKey publicKey
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0       this  Lsun/security/ec/ECDSASignature;
            0    4     1  publicKey  Ljava/security/PublicKey;
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
           Name  Flags
      publicKey  

  protected void engineInitSign(java.security.PrivateKey);
    descriptor: (Ljava/security/PrivateKey;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.PrivateKey privateKey
         0: .line 294
            aload 0 /* this */
            aload 1 /* privateKey */
            aconst_null
            invokevirtual sun.security.ec.ECDSASignature.engineInitSign:(Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
         1: .line 295
            return
        end local 1 // java.security.PrivateKey privateKey
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lsun/security/ec/ECDSASignature;
            0    2     1  privateKey  Ljava/security/PrivateKey;
    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 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.PrivateKey privateKey
        start local 2 // java.security.SecureRandom random
         0: .line 301
            aload 0 /* this */
            aload 1 /* privateKey */
            invokestatic sun.security.ec.ECKeyFactory.toECKey:(Ljava/security/Key;)Ljava/security/interfaces/ECKey;
            checkcast java.security.interfaces.ECPrivateKey
            putfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
         1: .line 305
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
         2: .line 306
            aload 0 /* this */
            aload 2 /* random */
            putfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
         3: .line 307
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.resetDigest:()V
         4: .line 308
            return
        end local 2 // java.security.SecureRandom random
        end local 1 // java.security.PrivateKey privateKey
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    5     0        this  Lsun/security/ec/ECDSASignature;
            0    5     1  privateKey  Ljava/security/PrivateKey;
            0    5     2      random  Ljava/security/SecureRandom;
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
            Name  Flags
      privateKey  
      random      

  protected void resetDigest();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.security.ec.ECDSASignature this
         0: .line 314
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.needsReset:Z
            ifeq 4
         1: .line 315
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            ifnull 3
         2: .line 316
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            invokevirtual java.security.MessageDigest.reset:()V
         3: .line 318
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         4: .line 320
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lsun/security/ec/ECDSASignature;

  protected byte[] getDigestValue();
    descriptor: ()[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.security.ec.ECDSASignature this
         0: .line 326
            aload 0 /* this */
            iconst_0
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         1: .line 327
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            invokevirtual java.security.MessageDigest.digest:()[B
            areturn
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/security/ec/ECDSASignature;
    Exceptions:
      throws java.security.SignatureException

  protected void engineUpdate(byte);
    descriptor: (B)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // byte b
         0: .line 333
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            iload 1 /* b */
            invokevirtual java.security.MessageDigest.update:(B)V
         1: .line 334
            aload 0 /* this */
            iconst_1
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         2: .line 335
            return
        end local 1 // byte b
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/security/ec/ECDSASignature;
            0    3     1     b  B
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
      Name  Flags
      b     

  protected void engineUpdate(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 341
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual java.security.MessageDigest.update:([BII)V
         1: .line 342
            aload 0 /* this */
            iconst_1
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         2: .line 343
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/security/ec/ECDSASignature;
            0    3     1     b  [B
            0    3     2   off  I
            0    3     3   len  I
    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=2, locals=3, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.nio.ByteBuffer byteBuffer
         0: .line 348
            aload 1 /* byteBuffer */
            invokevirtual java.nio.ByteBuffer.remaining:()I
            istore 2 /* len */
        start local 2 // int len
         1: .line 349
            iload 2 /* len */
            ifgt 3
         2: .line 350
            return
         3: .line 353
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            aload 1 /* byteBuffer */
            invokevirtual java.security.MessageDigest.update:(Ljava/nio/ByteBuffer;)V
         4: .line 354
            aload 0 /* this */
            iconst_1
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         5: .line 355
            return
        end local 2 // int len
        end local 1 // java.nio.ByteBuffer byteBuffer
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0        this  Lsun/security/ec/ECDSASignature;
            0    6     1  byteBuffer  Ljava/nio/ByteBuffer;
            1    6     2         len  I
    MethodParameters:
            Name  Flags
      byteBuffer  

  private byte[] signDigestImpl(sun.security.ec.ECDSAOperations, int, byte[], sun.security.ec.ECPrivateKeyImpl, java.security.SecureRandom);
    descriptor: (Lsun/security/ec/ECDSAOperations;I[BLsun/security/ec/ECPrivateKeyImpl;Ljava/security/SecureRandom;)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=11, args_size=6
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // sun.security.ec.ECDSAOperations ops
        start local 2 // int seedBits
        start local 3 // byte[] digest
        start local 4 // sun.security.ec.ECPrivateKeyImpl privImpl
        start local 5 // java.security.SecureRandom random
         0: .line 361
            iload 2 /* seedBits */
            bipush 7
            iadd
            bipush 8
            idiv
            newarray 8
            astore 6 /* seedBytes */
        start local 6 // byte[] seedBytes
         1: .line 362
            aload 4 /* privImpl */
            invokevirtual sun.security.ec.ECPrivateKeyImpl.getArrayS:()[B
            astore 7 /* s */
        start local 7 // byte[] s
         2: .line 367
            sipush 128
            istore 8 /* numAttempts */
        start local 8 // int numAttempts
         3: .line 368
            iconst_0
            istore 9 /* i */
        start local 9 // int i
         4: goto 11
         5: .line 369
      StackMap locals: sun.security.ec.ECDSASignature sun.security.ec.ECDSAOperations int byte[] sun.security.ec.ECPrivateKeyImpl java.security.SecureRandom byte[] byte[] int int
      StackMap stack:
            aload 5 /* random */
            aload 6 /* seedBytes */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         6: .line 370
            new sun.security.ec.ECDSAOperations$Seed
            dup
            aload 6 /* seedBytes */
            invokespecial sun.security.ec.ECDSAOperations$Seed.<init>:([B)V
            astore 10 /* seed */
        start local 10 // sun.security.ec.ECDSAOperations$Seed seed
         7: .line 372
            aload 1 /* ops */
            aload 7 /* s */
            aload 3 /* digest */
            aload 10 /* seed */
            invokevirtual sun.security.ec.ECDSAOperations.signDigest:([B[BLsun/security/ec/ECDSAOperations$Seed;)[B
         8: areturn
         9: .line 373
      StackMap locals: sun.security.ec.ECDSASignature sun.security.ec.ECDSAOperations int byte[] sun.security.ec.ECPrivateKeyImpl java.security.SecureRandom byte[] byte[] int int sun.security.ec.ECDSAOperations$Seed
      StackMap stack: sun.security.ec.ECOperations$IntermediateValueException
            pop
        end local 10 // sun.security.ec.ECDSAOperations$Seed seed
        10: .line 368
            iinc 9 /* i */ 1
      StackMap locals:
      StackMap stack:
        11: iload 9 /* i */
            iload 8 /* numAttempts */
            if_icmplt 5
        end local 9 // int i
        12: .line 378
            new java.security.SignatureException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unable to produce signature after "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        13: .line 379
            iload 8 /* numAttempts */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " attempts"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        14: .line 378
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
            athrow
        end local 8 // int numAttempts
        end local 7 // byte[] s
        end local 6 // byte[] seedBytes
        end local 5 // java.security.SecureRandom random
        end local 4 // sun.security.ec.ECPrivateKeyImpl privImpl
        end local 3 // byte[] digest
        end local 2 // int seedBits
        end local 1 // sun.security.ec.ECDSAOperations ops
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   15     0         this  Lsun/security/ec/ECDSASignature;
            0   15     1          ops  Lsun/security/ec/ECDSAOperations;
            0   15     2     seedBits  I
            0   15     3       digest  [B
            0   15     4     privImpl  Lsun/security/ec/ECPrivateKeyImpl;
            0   15     5       random  Ljava/security/SecureRandom;
            1   15     6    seedBytes  [B
            2   15     7            s  [B
            3   15     8  numAttempts  I
            4   12     9            i  I
            7   10    10         seed  Lsun/security/ec/ECDSAOperations$Seed;
      Exception table:
        from    to  target  type
           7     8       9  Class sun.security.ec.ECOperations$IntermediateValueException
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
          Name  Flags
      ops       
      seedBits  
      digest    
      privImpl  
      random    

  private java.util.Optional<byte[]> signDigestImpl(java.security.interfaces.ECPrivateKey, byte[], java.security.SecureRandom);
    descriptor: (Ljava/security/interfaces/ECPrivateKey;[BLjava/security/SecureRandom;)Ljava/util/Optional;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=9, args_size=4
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.interfaces.ECPrivateKey privateKey
        start local 2 // byte[] digest
        start local 3 // java.security.SecureRandom random
         0: .line 386
            aload 1 /* privateKey */
            instanceof sun.security.ec.ECPrivateKeyImpl
            ifne 2
         1: .line 387
            invokestatic java.util.Optional.empty:()Ljava/util/Optional;
            areturn
         2: .line 389
      StackMap locals:
      StackMap stack:
            aload 1 /* privateKey */
            checkcast sun.security.ec.ECPrivateKeyImpl
            astore 4 /* privImpl */
        start local 4 // sun.security.ec.ECPrivateKeyImpl privImpl
         3: .line 390
            aload 1 /* privateKey */
            invokeinterface java.security.interfaces.ECPrivateKey.getParams:()Ljava/security/spec/ECParameterSpec;
            astore 5 /* params */
        start local 5 // java.security.spec.ECParameterSpec params
         4: .line 393
            aload 5 /* params */
            invokevirtual java.security.spec.ECParameterSpec.getOrder:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.bitLength:()I
            bipush 64
            iadd
            istore 6 /* seedBits */
        start local 6 // int seedBits
         5: .line 395
            aload 5 /* params */
            invokestatic sun.security.ec.ECDSAOperations.forParameters:(Ljava/security/spec/ECParameterSpec;)Ljava/util/Optional;
         6: .line 394
            astore 7 /* opsOpt */
        start local 7 // java.util.Optional opsOpt
         7: .line 396
            aload 7 /* opsOpt */
            invokevirtual java.util.Optional.isEmpty:()Z
            ifeq 9
         8: .line 397
            invokestatic java.util.Optional.empty:()Ljava/util/Optional;
            areturn
         9: .line 399
      StackMap locals: sun.security.ec.ECDSASignature java.security.interfaces.ECPrivateKey byte[] java.security.SecureRandom sun.security.ec.ECPrivateKeyImpl java.security.spec.ECParameterSpec int java.util.Optional
      StackMap stack:
            aload 0 /* this */
            aload 7 /* opsOpt */
            invokevirtual java.util.Optional.get:()Ljava/lang/Object;
            checkcast sun.security.ec.ECDSAOperations
            iload 6 /* seedBits */
            aload 2 /* digest */
        10: .line 400
            aload 4 /* privImpl */
            aload 3 /* random */
        11: .line 399
            invokevirtual sun.security.ec.ECDSASignature.signDigestImpl:(Lsun/security/ec/ECDSAOperations;I[BLsun/security/ec/ECPrivateKeyImpl;Ljava/security/SecureRandom;)[B
            astore 8 /* sig */
        start local 8 // byte[] sig
        12: .line 401
            aload 8 /* sig */
            invokestatic java.util.Optional.of:(Ljava/lang/Object;)Ljava/util/Optional;
            areturn
        end local 8 // byte[] sig
        end local 7 // java.util.Optional opsOpt
        end local 6 // int seedBits
        end local 5 // java.security.spec.ECParameterSpec params
        end local 4 // sun.security.ec.ECPrivateKeyImpl privImpl
        end local 3 // java.security.SecureRandom random
        end local 2 // byte[] digest
        end local 1 // java.security.interfaces.ECPrivateKey privateKey
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   13     0        this  Lsun/security/ec/ECDSASignature;
            0   13     1  privateKey  Ljava/security/interfaces/ECPrivateKey;
            0   13     2      digest  [B
            0   13     3      random  Ljava/security/SecureRandom;
            3   13     4    privImpl  Lsun/security/ec/ECPrivateKeyImpl;
            4   13     5      params  Ljava/security/spec/ECParameterSpec;
            5   13     6    seedBits  I
            7   13     7      opsOpt  Ljava/util/Optional<Lsun/security/ec/ECDSAOperations;>;
           12   13     8         sig  [B
    Exceptions:
      throws java.security.SignatureException
    Signature: (Ljava/security/interfaces/ECPrivateKey;[BLjava/security/SecureRandom;)Ljava/util/Optional<[B>;
    MethodParameters:
            Name  Flags
      privateKey  
      digest      
      random      

  private byte[] signDigestNative(java.security.interfaces.ECPrivateKey, byte[], java.security.SecureRandom);
    descriptor: (Ljava/security/interfaces/ECPrivateKey;[BLjava/security/SecureRandom;)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=11, args_size=4
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.interfaces.ECPrivateKey privateKey
        start local 2 // byte[] digest
        start local 3 // java.security.SecureRandom random
         0: .line 408
            aload 1 /* privateKey */
            invokeinterface java.security.interfaces.ECPrivateKey.getS:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            astore 4 /* s */
        start local 4 // byte[] s
         1: .line 409
            aload 1 /* privateKey */
            invokeinterface java.security.interfaces.ECPrivateKey.getParams:()Ljava/security/spec/ECParameterSpec;
            astore 5 /* params */
        start local 5 // java.security.spec.ECParameterSpec params
         2: .line 412
            aconst_null
            aload 5 /* params */
            invokestatic sun.security.util.ECUtil.encodeECParameterSpec:(Ljava/security/Provider;Ljava/security/spec/ECParameterSpec;)[B
            astore 6 /* encodedParams */
        start local 6 // byte[] encodedParams
         3: .line 413
            aload 5 /* params */
            invokevirtual java.security.spec.ECParameterSpec.getCurve:()Ljava/security/spec/EllipticCurve;
            invokevirtual java.security.spec.EllipticCurve.getField:()Ljava/security/spec/ECField;
            invokeinterface java.security.spec.ECField.getFieldSize:()I
            istore 7 /* keySize */
        start local 7 // int keySize
         4: .line 416
            iload 7 /* keySize */
            bipush 7
            iadd
            iconst_3
            ishr
            iconst_1
            iadd
            iconst_2
            imul
            newarray 8
            astore 8 /* seed */
        start local 8 // byte[] seed
         5: .line 418
            aload 3 /* random */
            aload 8 /* seed */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         6: .line 421
            aload 3 /* random */
            invokevirtual java.security.SecureRandom.nextInt:()I
            istore 9 /* timingArgument */
        start local 9 // int timingArgument
         7: .line 423
            iload 9 /* timingArgument */
            iconst_1
            ior
            istore 9 /* timingArgument */
         8: .line 426
            aload 2 /* digest */
            aload 4 /* s */
            aload 6 /* encodedParams */
            aload 8 /* seed */
         9: .line 427
            iload 9 /* timingArgument */
        10: .line 426
            invokestatic sun.security.ec.ECDSASignature.signDigest:([B[B[B[BI)[B
        11: areturn
        12: .line 428
      StackMap locals: sun.security.ec.ECDSASignature java.security.interfaces.ECPrivateKey byte[] java.security.SecureRandom byte[] java.security.spec.ECParameterSpec byte[] int byte[] int
      StackMap stack: java.security.GeneralSecurityException
            astore 10 /* e */
        start local 10 // java.security.GeneralSecurityException e
        13: .line 429
            new java.security.SignatureException
            dup
            ldc "Could not sign data"
            aload 10 /* e */
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 10 // java.security.GeneralSecurityException e
        end local 9 // int timingArgument
        end local 8 // byte[] seed
        end local 7 // int keySize
        end local 6 // byte[] encodedParams
        end local 5 // java.security.spec.ECParameterSpec params
        end local 4 // byte[] s
        end local 3 // java.security.SecureRandom random
        end local 2 // byte[] digest
        end local 1 // java.security.interfaces.ECPrivateKey privateKey
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   14     0            this  Lsun/security/ec/ECDSASignature;
            0   14     1      privateKey  Ljava/security/interfaces/ECPrivateKey;
            0   14     2          digest  [B
            0   14     3          random  Ljava/security/SecureRandom;
            1   14     4               s  [B
            2   14     5          params  Ljava/security/spec/ECParameterSpec;
            3   14     6   encodedParams  [B
            4   14     7         keySize  I
            5   14     8            seed  [B
            7   14     9  timingArgument  I
           13   14    10               e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           8    11      12  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
            Name  Flags
      privateKey  
      digest      
      random      

  protected byte[] engineSign();
    descriptor: ()[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=4, args_size=1
        start local 0 // sun.security.ec.ECDSASignature this
         0: .line 438
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
            ifnonnull 2
         1: .line 439
            aload 0 /* this */
            invokestatic sun.security.jca.JCAUtil.getSecureRandom:()Ljava/security/SecureRandom;
            putfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
         2: .line 442
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.getDigestValue:()[B
            astore 1 /* digest */
        start local 1 // byte[] digest
         3: .line 443
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
            aload 1 /* digest */
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
            invokevirtual sun.security.ec.ECDSASignature.signDigestImpl:(Ljava/security/interfaces/ECPrivateKey;[BLjava/security/SecureRandom;)Ljava/util/Optional;
            astore 2 /* sigOpt */
        start local 2 // java.util.Optional sigOpt
         4: .line 445
            aload 2 /* sigOpt */
            invokevirtual java.util.Optional.isPresent:()Z
            ifeq 7
         5: .line 446
            aload 2 /* sigOpt */
            invokevirtual java.util.Optional.get:()Ljava/lang/Object;
            checkcast byte[]
            astore 3 /* sig */
        start local 3 // byte[] sig
         6: .line 447
            goto 8
        end local 3 // byte[] sig
         7: .line 448
      StackMap locals: byte[] java.util.Optional
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
            aload 1 /* digest */
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
            invokevirtual sun.security.ec.ECDSASignature.signDigestNative:(Ljava/security/interfaces/ECPrivateKey;[BLjava/security/SecureRandom;)[B
            astore 3 /* sig */
        start local 3 // byte[] sig
         8: .line 451
      StackMap locals: byte[]
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.p1363Format:Z
            ifeq 10
         9: .line 452
            aload 3 /* sig */
            areturn
        10: .line 454
      StackMap locals:
      StackMap stack:
            aload 3 /* sig */
            invokestatic sun.security.util.ECUtil.encodeSignature:([B)[B
            areturn
        end local 3 // byte[] sig
        end local 2 // java.util.Optional sigOpt
        end local 1 // byte[] digest
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lsun/security/ec/ECDSASignature;
            3   11     1  digest  [B
            4   11     2  sigOpt  Ljava/util/Optional<[B>;
            6    7     3     sig  [B
            8   11     3     sig  [B
    Exceptions:
      throws java.security.SignatureException

  protected boolean engineVerify(byte[]);
    descriptor: ([B)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=7, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // byte[] signature
         0: .line 463
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            invokeinterface java.security.interfaces.ECPublicKey.getParams:()Ljava/security/spec/ECParameterSpec;
            astore 3 /* params */
        start local 3 // java.security.spec.ECParameterSpec params
         1: .line 465
            aconst_null
            aload 3 /* params */
            invokestatic sun.security.util.ECUtil.encodeECParameterSpec:(Ljava/security/Provider;Ljava/security/spec/ECParameterSpec;)[B
            astore 4 /* encodedParams */
        start local 4 // byte[] encodedParams
         2: .line 467
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            instanceof sun.security.ec.ECPublicKeyImpl
            ifeq 5
         3: .line 468
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            checkcast sun.security.ec.ECPublicKeyImpl
            invokevirtual sun.security.ec.ECPublicKeyImpl.getEncodedPublicValue:()[B
            astore 2 /* w */
        start local 2 // byte[] w
         4: .line 469
            goto 6
        end local 2 // byte[] w
         5: .line 470
      StackMap locals: sun.security.ec.ECDSASignature byte[] top java.security.spec.ECParameterSpec byte[]
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            invokeinterface java.security.interfaces.ECPublicKey.getW:()Ljava/security/spec/ECPoint;
            aload 3 /* params */
            invokevirtual java.security.spec.ECParameterSpec.getCurve:()Ljava/security/spec/EllipticCurve;
            invokestatic sun.security.util.ECUtil.encodePoint:(Ljava/security/spec/ECPoint;Ljava/security/spec/EllipticCurve;)[B
            astore 2 /* w */
        start local 2 // byte[] w
         6: .line 474
      StackMap locals: sun.security.ec.ECDSASignature byte[] byte[] java.security.spec.ECParameterSpec byte[]
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.p1363Format:Z
            ifeq 9
         7: .line 475
            aload 1 /* signature */
            astore 5 /* sig */
        start local 5 // byte[] sig
         8: .line 476
            goto 10
        end local 5 // byte[] sig
         9: .line 477
      StackMap locals:
      StackMap stack:
            aload 1 /* signature */
            invokestatic sun.security.util.ECUtil.decodeSignature:([B)[B
            astore 5 /* sig */
        start local 5 // byte[] sig
        10: .line 481
      StackMap locals: byte[]
      StackMap stack:
            aload 5 /* sig */
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.getDigestValue:()[B
            aload 2 /* w */
            aload 4 /* encodedParams */
            invokestatic sun.security.ec.ECDSASignature.verifySignedDigest:([B[B[B[B)Z
        11: ireturn
        12: .line 482
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 6 /* e */
        start local 6 // java.security.GeneralSecurityException e
        13: .line 483
            new java.security.SignatureException
            dup
            ldc "Could not verify signature"
            aload 6 /* e */
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 6 // java.security.GeneralSecurityException e
        end local 5 // byte[] sig
        end local 4 // byte[] encodedParams
        end local 3 // java.security.spec.ECParameterSpec params
        end local 2 // byte[] w
        end local 1 // byte[] signature
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   14     0           this  Lsun/security/ec/ECDSASignature;
            0   14     1      signature  [B
            4    5     2              w  [B
            6   14     2              w  [B
            1   14     3         params  Ljava/security/spec/ECParameterSpec;
            2   14     4  encodedParams  [B
            8    9     5            sig  [B
           10   14     5            sig  [B
           13   14     6              e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
          10    11      12  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
           Name  Flags
      signature  

  protected void engineSetParameter(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.lang.String param
        start local 2 // java.lang.Object value
         0: .line 492
            new java.lang.UnsupportedOperationException
            dup
            ldc "setParameter() not supported"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.String param
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lsun/security/ec/ECDSASignature;
            0    1     1  param  Ljava/lang/String;
            0    1     2  value  Ljava/lang/Object;
    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=3, locals=2, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.spec.AlgorithmParameterSpec params
         0: .line 498
            aload 1 /* params */
            ifnull 2
         1: .line 499
            new java.security.InvalidAlgorithmParameterException
            dup
            ldc "No parameter accepted"
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 501
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.security.spec.AlgorithmParameterSpec params
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lsun/security/ec/ECDSASignature;
            0    3     1  params  Ljava/security/spec/AlgorithmParameterSpec;
    Exceptions:
      throws java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      params  

  protected java.lang.Object engineGetParameter(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.lang.String param
         0: .line 508
            new java.lang.UnsupportedOperationException
            dup
            ldc "getParameter() not supported"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.String param
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lsun/security/ec/ECDSASignature;
            0    1     1  param  Ljava/lang/String;
    Exceptions:
      throws java.security.InvalidParameterException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
       Name  Flags
      param  

  protected java.security.AlgorithmParameters engineGetParameters();
    descriptor: ()Ljava/security/AlgorithmParameters;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.ec.ECDSASignature this
         0: .line 513
            aconst_null
            areturn
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/ec/ECDSASignature;

  private static native byte[] signDigest(byte[], byte[], byte[], byte[], int);
    descriptor: ([B[B[B[BI)[B
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    Exceptions:
      throws java.security.GeneralSecurityException
    MethodParameters:
               Name  Flags
      digest         
      s              
      encodedParams  
      seed           
      timing         

  private static native boolean verifySignedDigest(byte[], byte[], byte[], byte[]);
    descriptor: ([B[B[B[B)Z
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    Exceptions:
      throws java.security.GeneralSecurityException
    MethodParameters:
               Name  Flags
      signature      
      digest         
      w              
      encodedParams  
}
SourceFile: "ECDSASignature.java"
NestMembers:
  sun.security.ec.ECDSASignature$Raw  sun.security.ec.ECDSASignature$RawECDSA  sun.security.ec.ECDSASignature$RawinP1363Format  sun.security.ec.ECDSASignature$SHA1  sun.security.ec.ECDSASignature$SHA1inP1363Format  sun.security.ec.ECDSASignature$SHA224  sun.security.ec.ECDSASignature$SHA224inP1363Format  sun.security.ec.ECDSASignature$SHA256  sun.security.ec.ECDSASignature$SHA256inP1363Format  sun.security.ec.ECDSASignature$SHA384  sun.security.ec.ECDSASignature$SHA384inP1363Format  sun.security.ec.ECDSASignature$SHA512  sun.security.ec.ECDSASignature$SHA512inP1363Format
InnerClasses:
  public Seed = sun.security.ec.ECDSAOperations$Seed of sun.security.ec.ECDSAOperations
  public final Raw = sun.security.ec.ECDSASignature$Raw of sun.security.ec.ECDSASignature
  RawECDSA = sun.security.ec.ECDSASignature$RawECDSA of sun.security.ec.ECDSASignature
  public final RawinP1363Format = sun.security.ec.ECDSASignature$RawinP1363Format of sun.security.ec.ECDSASignature
  public final SHA1 = sun.security.ec.ECDSASignature$SHA1 of sun.security.ec.ECDSASignature
  public final SHA1inP1363Format = sun.security.ec.ECDSASignature$SHA1inP1363Format of sun.security.ec.ECDSASignature
  public final SHA224 = sun.security.ec.ECDSASignature$SHA224 of sun.security.ec.ECDSASignature
  public final SHA224inP1363Format = sun.security.ec.ECDSASignature$SHA224inP1363Format of sun.security.ec.ECDSASignature
  public final SHA256 = sun.security.ec.ECDSASignature$SHA256 of sun.security.ec.ECDSASignature
  public final SHA256inP1363Format = sun.security.ec.ECDSASignature$SHA256inP1363Format of sun.security.ec.ECDSASignature
  public final SHA384 = sun.security.ec.ECDSASignature$SHA384 of sun.security.ec.ECDSASignature
  public final SHA384inP1363Format = sun.security.ec.ECDSASignature$SHA384inP1363Format of sun.security.ec.ECDSASignature
  public final SHA512 = sun.security.ec.ECDSASignature$SHA512 of sun.security.ec.ECDSASignature
  public final SHA512inP1363Format = sun.security.ec.ECDSASignature$SHA512inP1363Format of sun.security.ec.ECDSASignature
  IntermediateValueException = sun.security.ec.ECOperations$IntermediateValueException of sun.security.ec.ECOperations