public final class sun.security.ec.ECKeyPairGenerator extends java.security.KeyPairGeneratorSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: sun.security.ec.ECKeyPairGenerator
  super_class: java.security.KeyPairGeneratorSpi
{
  private static final int KEY_SIZE_MIN;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 112

  private static final int KEY_SIZE_MAX;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 571

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

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

  private java.security.spec.AlgorithmParameterSpec params;
    descriptor: Ljava/security/spec/AlgorithmParameterSpec;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // sun.security.ec.ECKeyPairGenerator this
         0: .line 69
            aload 0 /* this */
            invokespecial java.security.KeyPairGeneratorSpi.<init>:()V
         1: .line 64
            aload 0 /* this */
            aconst_null
            putfield sun.security.ec.ECKeyPairGenerator.params:Ljava/security/spec/AlgorithmParameterSpec;
         2: .line 71
            aload 0 /* this */
            getstatic sun.security.util.SecurityProviderConstants.DEF_EC_KEY_SIZE:I
            aconst_null
            invokevirtual sun.security.ec.ECKeyPairGenerator.initialize:(ILjava/security/SecureRandom;)V
         3: .line 72
            return
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lsun/security/ec/ECKeyPairGenerator;

  public void initialize(int, java.security.SecureRandom);
    descriptor: (ILjava/security/SecureRandom;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // sun.security.ec.ECKeyPairGenerator this
        start local 1 // int keySize
        start local 2 // java.security.SecureRandom random
         0: .line 78
            aload 0 /* this */
            iload 1 /* keySize */
            invokevirtual sun.security.ec.ECKeyPairGenerator.checkKeySize:(I)V
         1: .line 79
            aload 0 /* this */
            aconst_null
            iload 1 /* keySize */
            invokestatic sun.security.util.ECUtil.getECParameterSpec:(Ljava/security/Provider;I)Ljava/security/spec/ECParameterSpec;
            putfield sun.security.ec.ECKeyPairGenerator.params:Ljava/security/spec/AlgorithmParameterSpec;
         2: .line 80
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.params:Ljava/security/spec/AlgorithmParameterSpec;
            ifnonnull 6
         3: .line 81
            new java.security.InvalidParameterException
            dup
         4: .line 82
            new java.lang.StringBuilder
            dup
            ldc "No EC parameters available for key size "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* keySize */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " bits"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         5: .line 81
            invokespecial java.security.InvalidParameterException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 84
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* random */
            putfield sun.security.ec.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
         7: .line 85
            return
        end local 2 // java.security.SecureRandom random
        end local 1 // int keySize
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0     this  Lsun/security/ec/ECKeyPairGenerator;
            0    8     1  keySize  I
            0    8     2   random  Ljava/security/SecureRandom;
    MethodParameters:
         Name  Flags
      keySize  
      random   

  public void initialize(java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom);
    descriptor: (Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // sun.security.ec.ECKeyPairGenerator this
        start local 1 // java.security.spec.AlgorithmParameterSpec params
        start local 2 // java.security.SecureRandom random
         0: .line 92
            aconst_null
            astore 3 /* ecSpec */
        start local 3 // java.security.spec.ECParameterSpec ecSpec
         1: .line 94
            aload 1 /* params */
            instanceof java.security.spec.ECParameterSpec
            ifeq 8
         2: .line 95
            aload 1 /* params */
            checkcast java.security.spec.ECParameterSpec
            astore 4 /* ecParams */
        start local 4 // java.security.spec.ECParameterSpec ecParams
         3: .line 96
            aconst_null
            aload 4 /* ecParams */
            invokestatic sun.security.util.ECUtil.getECParameterSpec:(Ljava/security/Provider;Ljava/security/spec/ECParameterSpec;)Ljava/security/spec/ECParameterSpec;
            astore 3 /* ecSpec */
         4: .line 97
            aload 3 /* ecSpec */
            ifnonnull 18
         5: .line 98
            new java.security.InvalidAlgorithmParameterException
            dup
         6: .line 99
            new java.lang.StringBuilder
            dup
            ldc "Unsupported curve: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* params */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         7: .line 98
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
        end local 4 // java.security.spec.ECParameterSpec ecParams
         8: .line 101
      StackMap locals: java.security.spec.ECParameterSpec
      StackMap stack:
            aload 1 /* params */
            instanceof java.security.spec.ECGenParameterSpec
            ifeq 15
         9: .line 102
            aload 1 /* params */
            checkcast java.security.spec.ECGenParameterSpec
            invokevirtual java.security.spec.ECGenParameterSpec.getName:()Ljava/lang/String;
            astore 4 /* name */
        start local 4 // java.lang.String name
        10: .line 103
            aconst_null
            aload 4 /* name */
            invokestatic sun.security.util.ECUtil.getECParameterSpec:(Ljava/security/Provider;Ljava/lang/String;)Ljava/security/spec/ECParameterSpec;
            astore 3 /* ecSpec */
        11: .line 104
            aload 3 /* ecSpec */
            ifnonnull 18
        12: .line 105
            new java.security.InvalidAlgorithmParameterException
            dup
        13: .line 106
            new java.lang.StringBuilder
            dup
            ldc "Unknown curve name: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* name */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        14: .line 105
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
        end local 4 // java.lang.String name
        15: .line 109
      StackMap locals:
      StackMap stack:
            new java.security.InvalidAlgorithmParameterException
            dup
        16: .line 110
            ldc "ECParameterSpec or ECGenParameterSpec required for EC"
        17: .line 109
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
        18: .line 114
      StackMap locals:
      StackMap stack:
            aload 3 /* ecSpec */
            invokestatic sun.security.ec.ECKeyPairGenerator.ensureCurveIsSupported:(Ljava/security/spec/ECParameterSpec;)V
        19: .line 115
            aload 0 /* this */
            aload 3 /* ecSpec */
            putfield sun.security.ec.ECKeyPairGenerator.params:Ljava/security/spec/AlgorithmParameterSpec;
        20: .line 117
            aload 0 /* this */
            aload 3 /* ecSpec */
            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
            putfield sun.security.ec.ECKeyPairGenerator.keySize:I
        21: .line 118
            aload 0 /* this */
            aload 2 /* random */
            putfield sun.security.ec.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
        22: .line 119
            return
        end local 3 // java.security.spec.ECParameterSpec ecSpec
        end local 2 // java.security.SecureRandom random
        end local 1 // java.security.spec.AlgorithmParameterSpec params
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   23     0      this  Lsun/security/ec/ECKeyPairGenerator;
            0   23     1    params  Ljava/security/spec/AlgorithmParameterSpec;
            0   23     2    random  Ljava/security/SecureRandom;
            1   23     3    ecSpec  Ljava/security/spec/ECParameterSpec;
            3    8     4  ecParams  Ljava/security/spec/ECParameterSpec;
           10   15     4      name  Ljava/lang/String;
    Exceptions:
      throws java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      params  
      random  

  private static void ensureCurveIsSupported(java.security.spec.ECParameterSpec);
    descriptor: (Ljava/security/spec/ECParameterSpec;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // java.security.spec.ECParameterSpec ecSpec
         0: .line 124
            aconst_null
            invokestatic sun.security.util.ECUtil.getECParameters:(Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
            astore 1 /* ecParams */
        start local 1 // java.security.AlgorithmParameters ecParams
         1: .line 127
            aload 1 /* ecParams */
            aload 0 /* ecSpec */
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 128
            aload 1 /* ecParams */
            invokevirtual java.security.AlgorithmParameters.getEncoded:()[B
            astore 2 /* encodedParams */
        start local 2 // byte[] encodedParams
         3: .line 129
            goto 10
        end local 2 // byte[] encodedParams
      StackMap locals: java.security.spec.ECParameterSpec java.security.AlgorithmParameters
      StackMap stack: java.security.spec.InvalidParameterSpecException
         4: pop
         5: .line 130
            new java.security.InvalidAlgorithmParameterException
            dup
         6: .line 131
            new java.lang.StringBuilder
            dup
            ldc "Unsupported curve: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* ecSpec */
            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;
         7: .line 130
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 132
      StackMap locals:
      StackMap stack: java.io.IOException
            astore 3 /* ex */
        start local 3 // java.io.IOException ex
         9: .line 133
            new java.lang.RuntimeException
            dup
            aload 3 /* ex */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.io.IOException ex
        start local 2 // byte[] encodedParams
        10: .line 135
      StackMap locals: byte[]
      StackMap stack:
            aload 2 /* encodedParams */
            invokestatic sun.security.ec.ECKeyPairGenerator.isCurveSupported:([B)Z
            ifne 14
        11: .line 136
            new java.security.InvalidAlgorithmParameterException
            dup
        12: .line 137
            new java.lang.StringBuilder
            dup
            ldc "Unsupported curve: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* ecParams */
            invokevirtual java.security.AlgorithmParameters.toString:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        13: .line 136
            invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
            athrow
        14: .line 139
      StackMap locals:
      StackMap stack:
            return
        end local 2 // byte[] encodedParams
        end local 1 // java.security.AlgorithmParameters ecParams
        end local 0 // java.security.spec.ECParameterSpec ecSpec
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   15     0         ecSpec  Ljava/security/spec/ECParameterSpec;
            1   15     1       ecParams  Ljava/security/AlgorithmParameters;
            3    4     2  encodedParams  [B
           10   15     2  encodedParams  [B
            9   10     3             ex  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           1     3       4  Class java.security.spec.InvalidParameterSpecException
           1     3       8  Class java.io.IOException
    Exceptions:
      throws java.security.InvalidAlgorithmParameterException
    MethodParameters:
        Name  Flags
      ecSpec  

  public java.security.KeyPair generateKeyPair();
    descriptor: ()Ljava/security/KeyPair;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // sun.security.ec.ECKeyPairGenerator this
         0: .line 145
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
            ifnonnull 2
         1: .line 146
            aload 0 /* this */
            invokestatic sun.security.jca.JCAUtil.getSecureRandom:()Ljava/security/SecureRandom;
            putfield sun.security.ec.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
         2: .line 150
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
            invokevirtual sun.security.ec.ECKeyPairGenerator.generateKeyPairImpl:(Ljava/security/SecureRandom;)Lsun/security/util/Optional;
            astore 1 /* kp */
        start local 1 // sun.security.util.Optional kp
         3: .line 151
            aload 1 /* kp */
            invokevirtual sun.security.util.Optional.isPresent:()Z
            ifeq 6
         4: .line 152
            aload 1 /* kp */
            invokevirtual sun.security.util.Optional.get:()Ljava/lang/Object;
            checkcast java.security.KeyPair
         5: areturn
         6: .line 154
      StackMap locals: sun.security.util.Optional
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.random:Ljava/security/SecureRandom;
            invokevirtual sun.security.ec.ECKeyPairGenerator.generateKeyPairNative:(Ljava/security/SecureRandom;)Ljava/security/KeyPair;
         7: areturn
        end local 1 // sun.security.util.Optional kp
         8: .line 155
      StackMap locals: sun.security.ec.ECKeyPairGenerator
      StackMap stack: java.lang.Exception
            astore 1 /* ex */
        start local 1 // java.lang.Exception ex
         9: .line 156
            new java.security.ProviderException
            dup
            aload 1 /* ex */
            invokespecial java.security.ProviderException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.lang.Exception ex
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lsun/security/ec/ECKeyPairGenerator;
            3    8     1    kp  Lsun/security/util/Optional<Ljava/security/KeyPair;>;
            9   10     1    ex  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           2     5       8  Class java.lang.Exception
           6     7       8  Class java.lang.Exception

  private byte[] generatePrivateScalar(java.security.SecureRandom, sun.security.ec.ECOperations, int);
    descriptor: (Ljava/security/SecureRandom;Lsun/security/ec/ECOperations;I)[B
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=7, args_size=4
        start local 0 // sun.security.ec.ECKeyPairGenerator this
        start local 1 // java.security.SecureRandom random
        start local 2 // sun.security.ec.ECOperations ecOps
        start local 3 // int seedSize
         0: .line 165
            sipush 128
            istore 4 /* numAttempts */
        start local 4 // int numAttempts
         1: .line 166
            iload 3 /* seedSize */
            newarray 8
            astore 5 /* seedArr */
        start local 5 // byte[] seedArr
         2: .line 167
            iconst_0
            istore 6 /* i */
        start local 6 // int i
         3: goto 9
         4: .line 168
      StackMap locals: int byte[] int
      StackMap stack:
            aload 1 /* random */
            aload 5 /* seedArr */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         5: .line 170
            aload 2 /* ecOps */
            aload 5 /* seedArr */
            invokevirtual sun.security.ec.ECOperations.seedToScalar:([B)[B
         6: areturn
         7: .line 171
      StackMap locals:
      StackMap stack: sun.security.ec.ECOperations$IntermediateValueException
            pop
         8: .line 167
            iinc 6 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 6 /* i */
            iload 4 /* numAttempts */
            if_icmplt 4
        end local 6 // int i
        10: .line 176
            new java.security.ProviderException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unable to produce private key after "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
        11: .line 177
            iload 4 /* numAttempts */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " attempts"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        12: .line 176
            invokespecial java.security.ProviderException.<init>:(Ljava/lang/String;)V
            athrow
        end local 5 // byte[] seedArr
        end local 4 // int numAttempts
        end local 3 // int seedSize
        end local 2 // sun.security.ec.ECOperations ecOps
        end local 1 // java.security.SecureRandom random
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   13     0         this  Lsun/security/ec/ECKeyPairGenerator;
            0   13     1       random  Ljava/security/SecureRandom;
            0   13     2        ecOps  Lsun/security/ec/ECOperations;
            0   13     3     seedSize  I
            1   13     4  numAttempts  I
            2   13     5      seedArr  [B
            3   10     6            i  I
      Exception table:
        from    to  target  type
           5     6       7  Class sun.security.ec.ECOperations$IntermediateValueException
    MethodParameters:
          Name  Flags
      random    
      ecOps     
      seedSize  

  private sun.security.util.Optional<java.security.KeyPair> generateKeyPairImpl(java.security.SecureRandom);
    descriptor: (Ljava/security/SecureRandom;)Lsun/security/util/Optional;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=19, args_size=2
        start local 0 // sun.security.ec.ECKeyPairGenerator this
        start local 1 // java.security.SecureRandom random
         0: .line 183
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.params:Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.ECParameterSpec
            astore 2 /* ecParams */
        start local 2 // java.security.spec.ECParameterSpec ecParams
         1: .line 185
            aload 2 /* ecParams */
            invokestatic sun.security.ec.ECOperations.forParameters:(Ljava/security/spec/ECParameterSpec;)Lsun/security/util/Optional;
            astore 3 /* opsOpt */
        start local 3 // sun.security.util.Optional opsOpt
         2: .line 186
            aload 3 /* opsOpt */
            invokevirtual sun.security.util.Optional.isEmpty:()Z
            ifeq 4
         3: .line 187
            invokestatic sun.security.util.Optional.empty:()Lsun/security/util/Optional;
            areturn
         4: .line 189
      StackMap locals: java.security.spec.ECParameterSpec sun.security.util.Optional
      StackMap stack:
            aload 3 /* opsOpt */
            invokevirtual sun.security.util.Optional.get:()Ljava/lang/Object;
            checkcast sun.security.ec.ECOperations
            astore 4 /* ops */
        start local 4 // sun.security.ec.ECOperations ops
         5: .line 190
            aload 4 /* ops */
            invokevirtual sun.security.ec.ECOperations.getField:()Lsun/security/util/math/IntegerFieldModuloP;
            astore 5 /* field */
        start local 5 // sun.security.util.math.IntegerFieldModuloP field
         6: .line 191
            aload 2 /* ecParams */
            invokevirtual java.security.spec.ECParameterSpec.getOrder:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.bitLength:()I
            istore 6 /* numBits */
        start local 6 // int numBits
         7: .line 192
            iload 6 /* numBits */
            bipush 64
            iadd
            istore 7 /* seedBits */
        start local 7 // int seedBits
         8: .line 193
            iload 7 /* seedBits */
            bipush 7
            iadd
            bipush 8
            idiv
            istore 8 /* seedSize */
        start local 8 // int seedSize
         9: .line 194
            aload 0 /* this */
            aload 1 /* random */
            aload 4 /* ops */
            iload 8 /* seedSize */
            invokevirtual sun.security.ec.ECKeyPairGenerator.generatePrivateScalar:(Ljava/security/SecureRandom;Lsun/security/ec/ECOperations;I)[B
            astore 9 /* privArr */
        start local 9 // byte[] privArr
        10: .line 196
            aload 2 /* ecParams */
            invokevirtual java.security.spec.ECParameterSpec.getGenerator:()Ljava/security/spec/ECPoint;
            astore 10 /* genPoint */
        start local 10 // java.security.spec.ECPoint genPoint
        11: .line 197
            aload 5 /* field */
            aload 10 /* genPoint */
            invokevirtual java.security.spec.ECPoint.getAffineX:()Ljava/math/BigInteger;
            invokeinterface sun.security.util.math.IntegerFieldModuloP.getElement:(Ljava/math/BigInteger;)Lsun/security/util/math/ImmutableIntegerModuloP;
            astore 11 /* x */
        start local 11 // sun.security.util.math.ImmutableIntegerModuloP x
        12: .line 198
            aload 5 /* field */
            aload 10 /* genPoint */
            invokevirtual java.security.spec.ECPoint.getAffineY:()Ljava/math/BigInteger;
            invokeinterface sun.security.util.math.IntegerFieldModuloP.getElement:(Ljava/math/BigInteger;)Lsun/security/util/math/ImmutableIntegerModuloP;
            astore 12 /* y */
        start local 12 // sun.security.util.math.ImmutableIntegerModuloP y
        13: .line 199
            new sun.security.ec.point.AffinePoint
            dup
            aload 11 /* x */
            aload 12 /* y */
            invokespecial sun.security.ec.point.AffinePoint.<init>:(Lsun/security/util/math/ImmutableIntegerModuloP;Lsun/security/util/math/ImmutableIntegerModuloP;)V
            astore 13 /* affGen */
        start local 13 // sun.security.ec.point.AffinePoint affGen
        14: .line 200
            aload 4 /* ops */
            aload 13 /* affGen */
            aload 9 /* privArr */
            invokevirtual sun.security.ec.ECOperations.multiply:(Lsun/security/ec/point/AffinePoint;[B)Lsun/security/ec/point/MutablePoint;
            astore 14 /* pub */
        start local 14 // sun.security.ec.point.Point pub
        15: .line 201
            aload 14 /* pub */
            invokeinterface sun.security.ec.point.Point.asAffine:()Lsun/security/ec/point/AffinePoint;
            astore 15 /* affPub */
        start local 15 // sun.security.ec.point.AffinePoint affPub
        16: .line 203
            new sun.security.ec.ECPrivateKeyImpl
            dup
            aload 9 /* privArr */
            aload 2 /* ecParams */
            invokespecial sun.security.ec.ECPrivateKeyImpl.<init>:([BLjava/security/spec/ECParameterSpec;)V
            astore 16 /* privateKey */
        start local 16 // java.security.PrivateKey privateKey
        17: .line 205
            new java.security.spec.ECPoint
            dup
            aload 15 /* affPub */
            invokevirtual sun.security.ec.point.AffinePoint.getX:()Lsun/security/util/math/ImmutableIntegerModuloP;
            invokeinterface sun.security.util.math.ImmutableIntegerModuloP.asBigInteger:()Ljava/math/BigInteger;
        18: .line 206
            aload 15 /* affPub */
            invokevirtual sun.security.ec.point.AffinePoint.getY:()Lsun/security/util/math/ImmutableIntegerModuloP;
            invokeinterface sun.security.util.math.ImmutableIntegerModuloP.asBigInteger:()Ljava/math/BigInteger;
        19: .line 205
            invokespecial java.security.spec.ECPoint.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            astore 17 /* w */
        start local 17 // java.security.spec.ECPoint w
        20: .line 207
            new sun.security.ec.ECPublicKeyImpl
            dup
            aload 17 /* w */
            aload 2 /* ecParams */
            invokespecial sun.security.ec.ECPublicKeyImpl.<init>:(Ljava/security/spec/ECPoint;Ljava/security/spec/ECParameterSpec;)V
            astore 18 /* publicKey */
        start local 18 // java.security.PublicKey publicKey
        21: .line 209
            new java.security.KeyPair
            dup
            aload 18 /* publicKey */
            aload 16 /* privateKey */
            invokespecial java.security.KeyPair.<init>:(Ljava/security/PublicKey;Ljava/security/PrivateKey;)V
            invokestatic sun.security.util.Optional.of:(Ljava/lang/Object;)Lsun/security/util/Optional;
            areturn
        end local 18 // java.security.PublicKey publicKey
        end local 17 // java.security.spec.ECPoint w
        end local 16 // java.security.PrivateKey privateKey
        end local 15 // sun.security.ec.point.AffinePoint affPub
        end local 14 // sun.security.ec.point.Point pub
        end local 13 // sun.security.ec.point.AffinePoint affGen
        end local 12 // sun.security.util.math.ImmutableIntegerModuloP y
        end local 11 // sun.security.util.math.ImmutableIntegerModuloP x
        end local 10 // java.security.spec.ECPoint genPoint
        end local 9 // byte[] privArr
        end local 8 // int seedSize
        end local 7 // int seedBits
        end local 6 // int numBits
        end local 5 // sun.security.util.math.IntegerFieldModuloP field
        end local 4 // sun.security.ec.ECOperations ops
        end local 3 // sun.security.util.Optional opsOpt
        end local 2 // java.security.spec.ECParameterSpec ecParams
        end local 1 // java.security.SecureRandom random
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   22     0        this  Lsun/security/ec/ECKeyPairGenerator;
            0   22     1      random  Ljava/security/SecureRandom;
            1   22     2    ecParams  Ljava/security/spec/ECParameterSpec;
            2   22     3      opsOpt  Lsun/security/util/Optional<Lsun/security/ec/ECOperations;>;
            5   22     4         ops  Lsun/security/ec/ECOperations;
            6   22     5       field  Lsun/security/util/math/IntegerFieldModuloP;
            7   22     6     numBits  I
            8   22     7    seedBits  I
            9   22     8    seedSize  I
           10   22     9     privArr  [B
           11   22    10    genPoint  Ljava/security/spec/ECPoint;
           12   22    11           x  Lsun/security/util/math/ImmutableIntegerModuloP;
           13   22    12           y  Lsun/security/util/math/ImmutableIntegerModuloP;
           14   22    13      affGen  Lsun/security/ec/point/AffinePoint;
           15   22    14         pub  Lsun/security/ec/point/Point;
           16   22    15      affPub  Lsun/security/ec/point/AffinePoint;
           17   22    16  privateKey  Ljava/security/PrivateKey;
           20   22    17           w  Ljava/security/spec/ECPoint;
           21   22    18   publicKey  Ljava/security/PublicKey;
    Exceptions:
      throws java.security.InvalidKeyException
    Signature: (Ljava/security/SecureRandom;)Lsun/security/util/Optional<Ljava/security/KeyPair;>;
    MethodParameters:
        Name  Flags
      random  

  private java.security.KeyPair generateKeyPairNative(java.security.SecureRandom);
    descriptor: (Ljava/security/SecureRandom;)Ljava/security/KeyPair;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=11, args_size=2
        start local 0 // sun.security.ec.ECKeyPairGenerator this
        start local 1 // java.security.SecureRandom random
         0: .line 215
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.params:Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.ECParameterSpec
            astore 2 /* ecParams */
        start local 2 // java.security.spec.ECParameterSpec ecParams
         1: .line 216
            aconst_null
            aload 2 /* ecParams */
            invokestatic sun.security.util.ECUtil.encodeECParameterSpec:(Ljava/security/Provider;Ljava/security/spec/ECParameterSpec;)[B
            astore 3 /* encodedParams */
        start local 3 // byte[] encodedParams
         2: .line 219
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.keySize:I
            bipush 7
            iadd
            iconst_3
            ishr
            iconst_1
            iadd
            iconst_2
            imul
            newarray 8
            astore 4 /* seed */
        start local 4 // byte[] seed
         3: .line 220
            aload 1 /* random */
            aload 4 /* seed */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         4: .line 221
            aload 0 /* this */
            getfield sun.security.ec.ECKeyPairGenerator.keySize:I
            aload 3 /* encodedParams */
            aload 4 /* seed */
            invokestatic sun.security.ec.ECKeyPairGenerator.generateECKeyPair:(I[B[B)[Ljava/lang/Object;
            astore 5 /* keyBytes */
        start local 5 // java.lang.Object[] keyBytes
         5: .line 226
            new java.math.BigInteger
            dup
            iconst_1
            aload 5 /* keyBytes */
            iconst_0
            aaload
            checkcast byte[]
            invokespecial java.math.BigInteger.<init>:(I[B)V
            astore 6 /* s */
        start local 6 // java.math.BigInteger s
         6: .line 228
            new sun.security.ec.ECPrivateKeyImpl
            dup
            aload 6 /* s */
            aload 2 /* ecParams */
            invokespecial sun.security.ec.ECPrivateKeyImpl.<init>:(Ljava/math/BigInteger;Ljava/security/spec/ECParameterSpec;)V
            astore 7 /* privateKey */
        start local 7 // java.security.PrivateKey privateKey
         7: .line 231
            aload 5 /* keyBytes */
            iconst_1
            aaload
            checkcast byte[]
            astore 8 /* pubKey */
        start local 8 // byte[] pubKey
         8: .line 232
            aload 8 /* pubKey */
            aload 2 /* ecParams */
            invokevirtual java.security.spec.ECParameterSpec.getCurve:()Ljava/security/spec/EllipticCurve;
            invokestatic sun.security.util.ECUtil.decodePoint:([BLjava/security/spec/EllipticCurve;)Ljava/security/spec/ECPoint;
            astore 9 /* w */
        start local 9 // java.security.spec.ECPoint w
         9: .line 233
            new sun.security.ec.ECPublicKeyImpl
            dup
            aload 9 /* w */
            aload 2 /* ecParams */
            invokespecial sun.security.ec.ECPublicKeyImpl.<init>:(Ljava/security/spec/ECPoint;Ljava/security/spec/ECParameterSpec;)V
            astore 10 /* publicKey */
        start local 10 // java.security.PublicKey publicKey
        10: .line 235
            new java.security.KeyPair
            dup
            aload 10 /* publicKey */
            aload 7 /* privateKey */
            invokespecial java.security.KeyPair.<init>:(Ljava/security/PublicKey;Ljava/security/PrivateKey;)V
            areturn
        end local 10 // java.security.PublicKey publicKey
        end local 9 // java.security.spec.ECPoint w
        end local 8 // byte[] pubKey
        end local 7 // java.security.PrivateKey privateKey
        end local 6 // java.math.BigInteger s
        end local 5 // java.lang.Object[] keyBytes
        end local 4 // byte[] seed
        end local 3 // byte[] encodedParams
        end local 2 // java.security.spec.ECParameterSpec ecParams
        end local 1 // java.security.SecureRandom random
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   11     0           this  Lsun/security/ec/ECKeyPairGenerator;
            0   11     1         random  Ljava/security/SecureRandom;
            1   11     2       ecParams  Ljava/security/spec/ECParameterSpec;
            2   11     3  encodedParams  [B
            3   11     4           seed  [B
            5   11     5       keyBytes  [Ljava/lang/Object;
            6   11     6              s  Ljava/math/BigInteger;
            7   11     7     privateKey  Ljava/security/PrivateKey;
            8   11     8         pubKey  [B
            9   11     9              w  Ljava/security/spec/ECPoint;
           10   11    10      publicKey  Ljava/security/PublicKey;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
        Name  Flags
      random  

  private void checkKeySize(int);
    descriptor: (I)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // sun.security.ec.ECKeyPairGenerator this
        start local 1 // int keySize
         0: .line 239
            iload 1 /* keySize */
            bipush 112
            if_icmpge 4
         1: .line 240
            new java.security.InvalidParameterException
            dup
         2: .line 241
            ldc "Key size must be at least 112 bits"
         3: .line 240
            invokespecial java.security.InvalidParameterException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 243
      StackMap locals:
      StackMap stack:
            iload 1 /* keySize */
            sipush 571
            if_icmple 8
         5: .line 244
            new java.security.InvalidParameterException
            dup
         6: .line 245
            ldc "Key size must be at most 571 bits"
         7: .line 244
            invokespecial java.security.InvalidParameterException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 247
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* keySize */
            putfield sun.security.ec.ECKeyPairGenerator.keySize:I
         9: .line 248
            return
        end local 1 // int keySize
        end local 0 // sun.security.ec.ECKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   10     0     this  Lsun/security/ec/ECKeyPairGenerator;
            0   10     1  keySize  I
    Exceptions:
      throws java.security.InvalidParameterException
    MethodParameters:
         Name  Flags
      keySize  

  private static native boolean isCurveSupported(byte[]);
    descriptor: ([B)Z
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
               Name  Flags
      encodedParams  

  private static native java.lang.Object[] generateECKeyPair(int, byte[], byte[]);
    descriptor: (I[B[B)[Ljava/lang/Object;
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    Exceptions:
      throws java.security.GeneralSecurityException
    MethodParameters:
               Name  Flags
      keySize        
      encodedParams  
      seed           
}
SourceFile: "ECKeyPairGenerator.java"
InnerClasses:
  IntermediateValueException = sun.security.ec.ECOperations$IntermediateValueException of sun.security.ec.ECOperations