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 java.security.spec.ECParameterSpec sigParams;
    descriptor: Ljava/security/spec/ECParameterSpec;
    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 95
            aload 0 /* this */
            iconst_0
            invokespecial sun.security.ec.ECDSASignature.<init>:(Z)V
         1: .line 96
            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 105
            aload 0 /* this */
            invokespecial java.security.SignatureSpi.<init>:()V
         1: .line 84
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.sigParams:Ljava/security/spec/ECParameterSpec;
         2: .line 106
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
         3: .line 107
            aload 0 /* this */
            iload 1 /* p1363Format */
            putfield sun.security.ec.ECDSASignature.p1363Format:Z
         4: .line 108
            return
        end local 1 // boolean p1363Format
        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  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 114
            aload 0 /* this */
            aload 1 /* digestName */
            iconst_0
            invokespecial sun.security.ec.ECDSASignature.<init>:(Ljava/lang/String;Z)V
         1: .line 115
            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 124
            aload 0 /* this */
            invokespecial java.security.SignatureSpi.<init>:()V
         1: .line 84
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.sigParams:Ljava/security/spec/ECParameterSpec;
         2: .line 126
            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;
         3: .line 127
            goto 6
      StackMap locals: sun.security.ec.ECDSASignature java.lang.String int
      StackMap stack: java.security.NoSuchAlgorithmException
         4: astore 3 /* e */
        start local 3 // java.security.NoSuchAlgorithmException e
         5: .line 128
            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
         6: .line 130
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         7: .line 131
            aload 0 /* this */
            iload 2 /* p1363Format */
            putfield sun.security.ec.ECDSASignature.p1363Format:Z
         8: .line 132
            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    9     0         this  Lsun/security/ec/ECDSASignature;
            0    9     1   digestName  Ljava/lang/String;
            0    9     2  p1363Format  Z
            5    6     3            e  Ljava/security/NoSuchAlgorithmException;
      Exception table:
        from    to  target  type
           2     3       4  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=3, locals=3, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.PublicKey publicKey
         0: .line 349
            aload 1 /* publicKey */
            invokestatic sun.security.ec.ECKeyFactory.toECKey:(Ljava/security/Key;)Ljava/security/interfaces/ECKey;
            checkcast java.security.interfaces.ECPublicKey
            astore 2 /* key */
        start local 2 // java.security.interfaces.ECPublicKey key
         1: .line 350
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.sigParams:Ljava/security/spec/ECParameterSpec;
            aload 2 /* key */
            invokeinterface java.security.interfaces.ECPublicKey.getParams:()Ljava/security/spec/ECParameterSpec;
            invokestatic sun.security.ec.ECDSASignature.isCompatible:(Ljava/security/spec/ECParameterSpec;Ljava/security/spec/ECParameterSpec;)Z
            ifne 3
         2: .line 351
            new java.security.InvalidKeyException
            dup
            ldc "Key params does not match signature params"
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 356
      StackMap locals: java.security.interfaces.ECPublicKey
      StackMap stack:
            aload 0 /* this */
            aload 2 /* key */
            putfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
         4: .line 357
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
         5: .line 358
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.resetDigest:()V
         6: .line 359
            return
        end local 2 // java.security.interfaces.ECPublicKey key
        end local 1 // java.security.PublicKey publicKey
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    7     0       this  Lsun/security/ec/ECDSASignature;
            0    7     1  publicKey  Ljava/security/PublicKey;
            1    7     2        key  Ljava/security/interfaces/ECPublicKey;
    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 365
            aload 0 /* this */
            aload 1 /* privateKey */
            aconst_null
            invokevirtual sun.security.ec.ECDSASignature.engineInitSign:(Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
         1: .line 366
            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=3, locals=4, 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 372
            aload 1 /* privateKey */
            invokestatic sun.security.ec.ECKeyFactory.toECKey:(Ljava/security/Key;)Ljava/security/interfaces/ECKey;
            checkcast java.security.interfaces.ECPrivateKey
            astore 3 /* key */
        start local 3 // java.security.interfaces.ECPrivateKey key
         1: .line 373
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.sigParams:Ljava/security/spec/ECParameterSpec;
            aload 3 /* key */
            invokeinterface java.security.interfaces.ECPrivateKey.getParams:()Ljava/security/spec/ECParameterSpec;
            invokestatic sun.security.ec.ECDSASignature.isCompatible:(Ljava/security/spec/ECParameterSpec;Ljava/security/spec/ECParameterSpec;)Z
            ifne 3
         2: .line 374
            new java.security.InvalidKeyException
            dup
            ldc "Key params does not match signature params"
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 379
      StackMap locals: java.security.interfaces.ECPrivateKey
      StackMap stack:
            aload 0 /* this */
            aload 3 /* key */
            putfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
         4: .line 380
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
         5: .line 381
            aload 0 /* this */
            aload 2 /* random */
            putfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
         6: .line 382
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.resetDigest:()V
         7: .line 383
            return
        end local 3 // java.security.interfaces.ECPrivateKey key
        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    8     0        this  Lsun/security/ec/ECDSASignature;
            0    8     1  privateKey  Ljava/security/PrivateKey;
            0    8     2      random  Ljava/security/SecureRandom;
            1    8     3         key  Ljava/security/interfaces/ECPrivateKey;
    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 389
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.needsReset:Z
            ifeq 4
         1: .line 390
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            ifnull 3
         2: .line 391
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            invokevirtual java.security.MessageDigest.reset:()V
         3: .line 393
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         4: .line 395
      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 401
            aload 0 /* this */
            iconst_0
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         1: .line 402
            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 408
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.messageDigest:Ljava/security/MessageDigest;
            iload 1 /* b */
            invokevirtual java.security.MessageDigest.update:(B)V
         1: .line 409
            aload 0 /* this */
            iconst_1
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         2: .line 410
            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 416
            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 417
            aload 0 /* this */
            iconst_1
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         2: .line 418
            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 423
            aload 1 /* byteBuffer */
            invokevirtual java.nio.ByteBuffer.remaining:()I
            istore 2 /* len */
        start local 2 // int len
         1: .line 424
            iload 2 /* len */
            ifgt 3
         2: .line 425
            return
         3: .line 428
      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 429
            aload 0 /* this */
            iconst_1
            putfield sun.security.ec.ECDSASignature.needsReset:Z
         5: .line 430
            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 static boolean isCompatible(java.security.spec.ECParameterSpec, java.security.spec.ECParameterSpec);
    descriptor: (Ljava/security/spec/ECParameterSpec;Ljava/security/spec/ECParameterSpec;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.security.spec.ECParameterSpec sigParams
        start local 1 // java.security.spec.ECParameterSpec keyParams
         0: .line 434
            aload 0 /* sigParams */
            ifnonnull 2
         1: .line 436
            iconst_1
            ireturn
         2: .line 438
      StackMap locals:
      StackMap stack:
            aload 0 /* sigParams */
            aload 1 /* keyParams */
            invokestatic sun.security.util.ECUtil.equals:(Ljava/security/spec/ECParameterSpec;Ljava/security/spec/ECParameterSpec;)Z
            ireturn
        end local 1 // java.security.spec.ECParameterSpec keyParams
        end local 0 // java.security.spec.ECParameterSpec sigParams
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0  sigParams  Ljava/security/spec/ECParameterSpec;
            0    3     1  keyParams  Ljava/security/spec/ECParameterSpec;
    MethodParameters:
           Name  Flags
      sigParams  
      keyParams  

  private byte[] signDigestImpl(sun.security.ec.ECDSAOperations, int, byte[], java.security.interfaces.ECPrivateKey, java.security.SecureRandom);
    descriptor: (Lsun/security/ec/ECDSAOperations;I[BLjava/security/interfaces/ECPrivateKey;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 // java.security.interfaces.ECPrivateKey priv
        start local 5 // java.security.SecureRandom random
         0: .line 445
            iload 2 /* seedBits */
            bipush 7
            iadd
            bipush 8
            idiv
            newarray 8
            astore 6 /* seedBytes */
        start local 6 // byte[] seedBytes
         1: .line 446
            aload 4 /* priv */
            instanceof sun.security.ec.ECPrivateKeyImpl
            ifeq 3
         2: .line 447
            aload 4 /* priv */
            checkcast sun.security.ec.ECPrivateKeyImpl
            invokevirtual sun.security.ec.ECPrivateKeyImpl.getArrayS:()[B
            goto 4
         3: .line 448
      StackMap locals: byte[]
      StackMap stack:
            aload 4 /* priv */
            invokeinterface java.security.interfaces.ECPrivateKey.getS:()Ljava/math/BigInteger;
            aload 4 /* priv */
            invokeinterface java.security.interfaces.ECPrivateKey.getParams:()Ljava/security/spec/ECParameterSpec;
            invokestatic sun.security.util.ECUtil.sArray:(Ljava/math/BigInteger;Ljava/security/spec/ECParameterSpec;)[B
         4: .line 446
      StackMap locals:
      StackMap stack: byte[]
            astore 7 /* s */
        start local 7 // byte[] s
         5: .line 453
            sipush 128
            istore 8 /* numAttempts */
        start local 8 // int numAttempts
         6: .line 454
            iconst_0
            istore 9 /* i */
        start local 9 // int i
         7: goto 14
         8: .line 455
      StackMap locals: byte[] int int
      StackMap stack:
            aload 5 /* random */
            aload 6 /* seedBytes */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         9: .line 456
            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$Seed seed
        10: .line 458
            aload 1 /* ops */
            aload 7 /* s */
            aload 3 /* digest */
            aload 10 /* seed */
            invokevirtual sun.security.ec.ECDSAOperations.signDigest:([B[BLsun/security/ec/ECDSAOperations$Seed;)[B
        11: areturn
        12: .line 459
      StackMap locals: sun.security.ec.ECDSASignature sun.security.ec.ECDSAOperations int byte[] java.security.interfaces.ECPrivateKey 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
        13: .line 454
            iinc 9 /* i */ 1
      StackMap locals:
      StackMap stack:
        14: iload 9 /* i */
            iload 8 /* numAttempts */
            if_icmplt 8
        end local 9 // int i
        15: .line 464
            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
        16: .line 465
            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;
        17: .line 464
            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 // java.security.interfaces.ECPrivateKey priv
        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   18     0         this  Lsun/security/ec/ECDSASignature;
            0   18     1          ops  Lsun/security/ec/ECDSAOperations;
            0   18     2     seedBits  I
            0   18     3       digest  [B
            0   18     4         priv  Ljava/security/interfaces/ECPrivateKey;
            0   18     5       random  Ljava/security/SecureRandom;
            1   18     6    seedBytes  [B
            5   18     7            s  [B
            6   18     8  numAttempts  I
            7   15     9            i  I
           10   13    10         seed  Lsun/security/ec/ECDSAOperations$Seed;
      Exception table:
        from    to  target  type
          10    11      12  Class sun.security.ec.ECOperations$IntermediateValueException
    Exceptions:
      throws java.security.SignatureException
    MethodParameters:
          Name  Flags
      ops       
      seedBits  
      digest    
      priv      
      random    

  protected byte[] engineSign();
    descriptor: ()[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=6, args_size=1
        start local 0 // sun.security.ec.ECDSASignature this
         0: .line 473
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
            ifnonnull 2
         1: .line 474
            aload 0 /* this */
            invokestatic sun.security.jca.JCAUtil.getSecureRandom:()Ljava/security/SecureRandom;
            putfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
         2: .line 477
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.getDigestValue:()[B
            astore 1 /* digest */
        start local 1 // byte[] digest
         3: .line 478
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
            invokeinterface java.security.interfaces.ECPrivateKey.getParams:()Ljava/security/spec/ECParameterSpec;
            astore 2 /* params */
        start local 2 // java.security.spec.ECParameterSpec params
         4: .line 481
            aload 2 /* params */
            invokevirtual java.security.spec.ECParameterSpec.getOrder:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.bitLength:()I
            bipush 64
            iadd
            istore 3 /* seedBits */
        start local 3 // int seedBits
         5: .line 483
            aload 2 /* params */
            invokestatic sun.security.ec.ECDSAOperations.forParameters:(Ljava/security/spec/ECParameterSpec;)Ljava/util/Optional;
         6: .line 482
            astore 4 /* opsOpt */
        start local 4 // java.util.Optional opsOpt
         7: .line 484
            aload 4 /* opsOpt */
            invokevirtual java.util.Optional.isEmpty:()Z
            ifeq 11
         8: .line 485
            new java.security.SignatureException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Curve not supported: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         9: .line 486
            aload 2 /* params */
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        10: .line 485
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 488
      StackMap locals: sun.security.ec.ECDSASignature byte[] java.security.spec.ECParameterSpec int java.util.Optional
      StackMap stack:
            aload 0 /* this */
            aload 4 /* opsOpt */
            invokevirtual java.util.Optional.get:()Ljava/lang/Object;
            checkcast sun.security.ec.ECDSAOperations
            iload 3 /* seedBits */
            aload 1 /* digest */
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
        12: .line 489
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.random:Ljava/security/SecureRandom;
        13: .line 488
            invokevirtual sun.security.ec.ECDSASignature.signDigestImpl:(Lsun/security/ec/ECDSAOperations;I[BLjava/security/interfaces/ECPrivateKey;Ljava/security/SecureRandom;)[B
            astore 5 /* sig */
        start local 5 // byte[] sig
        14: .line 491
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.p1363Format:Z
            ifeq 16
        15: .line 492
            aload 5 /* sig */
            areturn
        16: .line 494
      StackMap locals: byte[]
      StackMap stack:
            aload 5 /* sig */
            invokestatic sun.security.util.ECUtil.encodeSignature:([B)[B
            areturn
        end local 5 // byte[] sig
        end local 4 // java.util.Optional opsOpt
        end local 3 // int seedBits
        end local 2 // java.security.spec.ECParameterSpec params
        end local 1 // byte[] digest
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   17     0      this  Lsun/security/ec/ECDSASignature;
            3   17     1    digest  [B
            4   17     2    params  Ljava/security/spec/ECParameterSpec;
            5   17     3  seedBits  I
            7   17     4    opsOpt  Ljava/util/Optional<Lsun/security/ec/ECDSAOperations;>;
           14   17     5       sig  [B
    Exceptions:
      throws java.security.SignatureException

  protected boolean engineVerify(byte[]);
    descriptor: ([B)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // byte[] signature
         0: .line 503
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.p1363Format:Z
            ifeq 3
         1: .line 504
            aload 1 /* signature */
            astore 2 /* sig */
        start local 2 // byte[] sig
         2: .line 505
            goto 4
        end local 2 // byte[] sig
         3: .line 506
      StackMap locals:
      StackMap stack:
            aload 1 /* signature */
            invokestatic sun.security.util.ECUtil.decodeSignature:([B)[B
            astore 2 /* sig */
        start local 2 // byte[] sig
         4: .line 509
      StackMap locals: byte[]
      StackMap stack:
            aload 0 /* this */
            invokevirtual sun.security.ec.ECDSASignature.getDigestValue:()[B
            astore 3 /* digest */
        start local 3 // byte[] digest
         5: .line 512
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            invokeinterface java.security.interfaces.ECPublicKey.getParams:()Ljava/security/spec/ECParameterSpec;
            invokestatic sun.security.ec.ECDSAOperations.forParameters:(Ljava/security/spec/ECParameterSpec;)Ljava/util/Optional;
         6: .line 511
            astore 4 /* opsOpt */
        start local 4 // java.util.Optional opsOpt
         7: .line 513
            aload 4 /* opsOpt */
            invokevirtual java.util.Optional.isEmpty:()Z
            ifeq 11
         8: .line 514
            new java.security.SignatureException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Curve not supported: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         9: .line 515
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            invokeinterface java.security.interfaces.ECPublicKey.getParams:()Ljava/security/spec/ECParameterSpec;
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        10: .line 514
            invokespecial java.security.SignatureException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 517
      StackMap locals: byte[] java.util.Optional
      StackMap stack:
            aload 4 /* opsOpt */
            invokevirtual java.util.Optional.get:()Ljava/lang/Object;
            checkcast sun.security.ec.ECDSAOperations
            aload 3 /* digest */
            aload 2 /* sig */
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            invokeinterface java.security.interfaces.ECPublicKey.getW:()Ljava/security/spec/ECPoint;
            invokevirtual sun.security.ec.ECDSAOperations.verifySignedDigest:([B[BLjava/security/spec/ECPoint;)Z
            ireturn
        end local 4 // java.util.Optional opsOpt
        end local 3 // byte[] digest
        end local 2 // byte[] sig
        end local 1 // byte[] signature
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   12     0       this  Lsun/security/ec/ECDSASignature;
            0   12     1  signature  [B
            2    3     2        sig  [B
            4   12     2        sig  [B
            5   12     3     digest  [B
            7   12     4     opsOpt  Ljava/util/Optional<Lsun/security/ec/ECDSAOperations;>;
    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 525
            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=3, args_size=2
        start local 0 // sun.security.ec.ECDSASignature this
        start local 1 // java.security.spec.AlgorithmParameterSpec params
         0: .line 531
            aload 1 /* params */
            ifnull 2
            aload 1 /* params */
            instanceof java.security.spec.ECParameterSpec
            ifne 2
         1: .line 532
            new java.security.InvalidAlgorithmParameterException
            dup
            ldc "No parameter accepted"
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 534
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
            ifnonnull 3
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.publicKey:Ljava/security/interfaces/ECPublicKey;
            goto 4
      StackMap locals:
      StackMap stack:
         3: aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.privateKey:Ljava/security/interfaces/ECPrivateKey;
      StackMap locals:
      StackMap stack: java.security.interfaces.ECKey
         4: astore 2 /* key */
        start local 2 // java.security.interfaces.ECKey key
         5: .line 535
            aload 2 /* key */
            ifnull 9
            aload 1 /* params */
            checkcast java.security.spec.ECParameterSpec
            aload 2 /* key */
            invokeinterface java.security.interfaces.ECKey.getParams:()Ljava/security/spec/ECParameterSpec;
            invokestatic sun.security.ec.ECDSASignature.isCompatible:(Ljava/security/spec/ECParameterSpec;Ljava/security/spec/ECParameterSpec;)Z
            ifne 9
         6: .line 536
            new java.security.InvalidAlgorithmParameterException
            dup
         7: .line 537
            ldc "Signature params does not match key params"
         8: .line 536
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 540
      StackMap locals: java.security.interfaces.ECKey
      StackMap stack:
            aload 0 /* this */
            aload 1 /* params */
            checkcast java.security.spec.ECParameterSpec
            putfield sun.security.ec.ECDSASignature.sigParams:Ljava/security/spec/ECParameterSpec;
        10: .line 541
            return
        end local 2 // java.security.interfaces.ECKey key
        end local 1 // java.security.spec.AlgorithmParameterSpec params
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lsun/security/ec/ECDSASignature;
            0   11     1  params  Ljava/security/spec/AlgorithmParameterSpec;
            5   11     2     key  Ljava/security/interfaces/ECKey;
    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 548
            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=4, locals=2, args_size=1
        start local 0 // sun.security.ec.ECDSASignature this
         0: .line 553
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.sigParams:Ljava/security/spec/ECParameterSpec;
            ifnonnull 2
         1: .line 554
            aconst_null
            areturn
         2: .line 557
      StackMap locals:
      StackMap stack:
            ldc "EC"
            invokestatic java.security.AlgorithmParameters.getInstance:(Ljava/lang/String;)Ljava/security/AlgorithmParameters;
            astore 1 /* ap */
        start local 1 // java.security.AlgorithmParameters ap
         3: .line 558
            aload 1 /* ap */
            aload 0 /* this */
            getfield sun.security.ec.ECDSASignature.sigParams:Ljava/security/spec/ECParameterSpec;
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         4: .line 559
            aload 1 /* ap */
         5: areturn
        end local 1 // java.security.AlgorithmParameters ap
         6: .line 560
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 1 /* e */
        start local 1 // java.lang.Exception e
         7: .line 562
            new java.security.ProviderException
            dup
            ldc "Error retrieving EC parameters"
            aload 1 /* e */
            invokespecial java.security.ProviderException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.lang.Exception e
        end local 0 // sun.security.ec.ECDSASignature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lsun/security/ec/ECDSASignature;
            3    6     1    ap  Ljava/security/AlgorithmParameters;
            7    8     1     e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           2     5       6  Class java.lang.Exception
}
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$SHA384inP1363Format  sun.security.ec.ECDSASignature$SHA3_224  sun.security.ec.ECDSASignature$SHA3_224inP1363Format  sun.security.ec.ECDSASignature$SHA3_256  sun.security.ec.ECDSASignature$SHA3_256inP1363Format  sun.security.ec.ECDSASignature$SHA3_384  sun.security.ec.ECDSASignature$SHA3_384inP1363Format  sun.security.ec.ECDSASignature$SHA3_512  sun.security.ec.ECDSASignature$SHA3_512inP1363Format  sun.security.ec.ECDSASignature$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$SHA384inP1363Format of sun.security.ec.ECDSASignature
  public final SHA3_224 = sun.security.ec.ECDSASignature$SHA3_224 of sun.security.ec.ECDSASignature
  public final SHA3_224inP1363Format = sun.security.ec.ECDSASignature$SHA3_224inP1363Format of sun.security.ec.ECDSASignature
  public final SHA3_256 = sun.security.ec.ECDSASignature$SHA3_256 of sun.security.ec.ECDSASignature
  public final SHA3_256inP1363Format = sun.security.ec.ECDSASignature$SHA3_256inP1363Format of sun.security.ec.ECDSASignature
  public final SHA3_384 = sun.security.ec.ECDSASignature$SHA3_384 of sun.security.ec.ECDSASignature
  public final SHA3_384inP1363Format = sun.security.ec.ECDSASignature$SHA3_384inP1363Format of sun.security.ec.ECDSASignature
  public final SHA3_512 = sun.security.ec.ECDSASignature$SHA3_512 of sun.security.ec.ECDSASignature
  public final SHA3_512inP1363Format = sun.security.ec.ECDSASignature$SHA3_512inP1363Format of sun.security.ec.ECDSASignature
  public final SHA512 = sun.security.ec.ECDSASignature$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