public final class sun.security.util.ECParameters extends java.security.AlgorithmParametersSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: sun.security.util.ECParameters
  super_class: java.security.AlgorithmParametersSpi
{
  private sun.security.util.NamedCurve namedCurve;
    descriptor: Lsun/security/util/NamedCurve;
    flags: (0x0002) ACC_PRIVATE

  public static java.security.AlgorithmParameters getAlgorithmParameters(java.security.spec.ECParameterSpec);
    descriptor: (Ljava/security/spec/ECParameterSpec;)Ljava/security/AlgorithmParameters;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // java.security.spec.ECParameterSpec spec
         0: .line 82
            ldc "EC"
            ldc "SunEC"
            invokestatic java.security.AlgorithmParameters.getInstance:(Ljava/lang/String;Ljava/lang/String;)Ljava/security/AlgorithmParameters;
         1: .line 81
            astore 1 /* params */
        start local 1 // java.security.AlgorithmParameters params
         2: .line 83
            aload 1 /* params */
            aload 0 /* spec */
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         3: .line 84
            aload 1 /* params */
         4: areturn
        end local 1 // java.security.AlgorithmParameters params
         5: .line 85
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 1 /* e */
        start local 1 // java.security.GeneralSecurityException e
         6: .line 86
            new java.security.InvalidKeyException
            dup
            ldc "EC parameters error"
            aload 1 /* e */
            invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.security.GeneralSecurityException e
        end local 0 // java.security.spec.ECParameterSpec spec
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    spec  Ljava/security/spec/ECParameterSpec;
            2    5     1  params  Ljava/security/AlgorithmParameters;
            6    7     1       e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           0     4       5  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.security.InvalidKeyException
    MethodParameters:
      Name  Flags
      spec  

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.util.ECParameters this
         0: .line 97
            aload 0 /* this */
            invokespecial java.security.AlgorithmParametersSpi.<init>:()V
         1: .line 99
            return
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/security/util/ECParameters;

  protected void engineInit(java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // sun.security.util.ECParameters this
        start local 1 // java.security.spec.AlgorithmParameterSpec paramSpec
         0: .line 106
            aload 1 /* paramSpec */
            ifnonnull 4
         1: .line 107
            new java.security.spec.InvalidParameterSpecException
            dup
         2: .line 108
            ldc "paramSpec must not be null"
         3: .line 107
            invokespecial java.security.spec.InvalidParameterSpecException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 111
      StackMap locals:
      StackMap stack:
            aload 1 /* paramSpec */
            instanceof sun.security.util.NamedCurve
            ifeq 7
         5: .line 112
            aload 0 /* this */
            aload 1 /* paramSpec */
            checkcast sun.security.util.NamedCurve
            putfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
         6: .line 113
            return
         7: .line 116
      StackMap locals:
      StackMap stack:
            aload 1 /* paramSpec */
            instanceof java.security.spec.ECParameterSpec
            ifeq 10
         8: .line 117
            aload 0 /* this */
            aload 1 /* paramSpec */
            checkcast java.security.spec.ECParameterSpec
            invokestatic sun.security.util.CurveDB.lookup:(Ljava/security/spec/ECParameterSpec;)Lsun/security/util/NamedCurve;
            putfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
         9: .line 118
            goto 21
      StackMap locals:
      StackMap stack:
        10: aload 1 /* paramSpec */
            instanceof java.security.spec.ECGenParameterSpec
            ifeq 14
        11: .line 119
            aload 1 /* paramSpec */
            checkcast java.security.spec.ECGenParameterSpec
            invokevirtual java.security.spec.ECGenParameterSpec.getName:()Ljava/lang/String;
            astore 2 /* name */
        start local 2 // java.lang.String name
        12: .line 120
            aload 0 /* this */
            aload 2 /* name */
            invokestatic sun.security.util.CurveDB.lookup:(Ljava/lang/String;)Lsun/security/util/NamedCurve;
            putfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
        end local 2 // java.lang.String name
        13: .line 121
            goto 21
      StackMap locals:
      StackMap stack:
        14: aload 1 /* paramSpec */
            instanceof sun.security.util.ECKeySizeParameterSpec
            ifeq 18
        15: .line 122
            aload 1 /* paramSpec */
            checkcast sun.security.util.ECKeySizeParameterSpec
            invokevirtual sun.security.util.ECKeySizeParameterSpec.getKeySize:()I
            istore 2 /* keySize */
        start local 2 // int keySize
        16: .line 123
            aload 0 /* this */
            iload 2 /* keySize */
            invokestatic sun.security.util.CurveDB.lookup:(I)Lsun/security/util/NamedCurve;
            putfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
        end local 2 // int keySize
        17: .line 124
            goto 21
        18: .line 125
      StackMap locals:
      StackMap stack:
            new java.security.spec.InvalidParameterSpecException
            dup
        19: .line 126
            ldc "Only ECParameterSpec and ECGenParameterSpec supported"
        20: .line 125
            invokespecial java.security.spec.InvalidParameterSpecException.<init>:(Ljava/lang/String;)V
            athrow
        21: .line 129
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
            ifnonnull 25
        22: .line 130
            new java.security.spec.InvalidParameterSpecException
            dup
        23: .line 131
            new java.lang.StringBuilder
            dup
            ldc "Not a supported curve: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* paramSpec */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        24: .line 130
            invokespecial java.security.spec.InvalidParameterSpecException.<init>:(Ljava/lang/String;)V
            athrow
        25: .line 133
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.security.spec.AlgorithmParameterSpec paramSpec
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   26     0       this  Lsun/security/util/ECParameters;
            0   26     1  paramSpec  Ljava/security/spec/AlgorithmParameterSpec;
           12   13     2       name  Ljava/lang/String;
           16   17     2    keySize  I
    Exceptions:
      throws java.security.spec.InvalidParameterSpecException
    MethodParameters:
           Name  Flags
      paramSpec  

  protected void engineInit(byte[]);
    descriptor: ([B)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // sun.security.util.ECParameters this
        start local 1 // byte[] params
         0: .line 136
            new sun.security.util.DerValue
            dup
            aload 1 /* params */
            invokespecial sun.security.util.DerValue.<init>:([B)V
            astore 2 /* encodedParams */
        start local 2 // sun.security.util.DerValue encodedParams
         1: .line 137
            aload 2 /* encodedParams */
            getfield sun.security.util.DerValue.tag:B
            bipush 6
            if_icmpne 8
         2: .line 138
            aload 2 /* encodedParams */
            invokevirtual sun.security.util.DerValue.getOID:()Lsun/security/util/ObjectIdentifier;
            astore 3 /* oid */
        start local 3 // sun.security.util.ObjectIdentifier oid
         3: .line 139
            aload 3 /* oid */
            invokevirtual sun.security.util.ObjectIdentifier.toString:()Ljava/lang/String;
            invokestatic sun.security.util.CurveDB.lookup:(Ljava/lang/String;)Lsun/security/util/NamedCurve;
            astore 4 /* spec */
        start local 4 // sun.security.util.NamedCurve spec
         4: .line 140
            aload 4 /* spec */
            ifnonnull 6
         5: .line 141
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unknown named curve: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* oid */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 144
      StackMap locals: sun.security.util.DerValue sun.security.util.ObjectIdentifier sun.security.util.NamedCurve
      StackMap stack:
            aload 0 /* this */
            aload 4 /* spec */
            putfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
         7: .line 145
            return
        end local 4 // sun.security.util.NamedCurve spec
        end local 3 // sun.security.util.ObjectIdentifier oid
         8: .line 148
      StackMap locals:
      StackMap stack:
            new java.io.IOException
            dup
            ldc "Only named ECParameters supported"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // sun.security.util.DerValue encodedParams
        end local 1 // byte[] params
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0           this  Lsun/security/util/ECParameters;
            0    9     1         params  [B
            1    9     2  encodedParams  Lsun/security/util/DerValue;
            3    8     3            oid  Lsun/security/util/ObjectIdentifier;
            4    8     4           spec  Lsun/security/util/NamedCurve;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      params  

  protected void engineInit(byte[], java.lang.String);
    descriptor: ([BLjava/lang/String;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // sun.security.util.ECParameters this
        start local 1 // byte[] params
        start local 2 // java.lang.String decodingMethod
         0: .line 193
            aload 0 /* this */
            aload 1 /* params */
            invokevirtual sun.security.util.ECParameters.engineInit:([B)V
         1: .line 194
            return
        end local 2 // java.lang.String decodingMethod
        end local 1 // byte[] params
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lsun/security/util/ECParameters;
            0    2     1          params  [B
            0    2     2  decodingMethod  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                Name  Flags
      params          
      decodingMethod  

  protected <T extends java.security.spec.AlgorithmParameterSpec> T engineGetParameterSpec(java.lang.Class<T>);
    descriptor: (Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // sun.security.util.ECParameters this
        start local 1 // java.lang.Class spec
         0: .line 200
            aload 1 /* spec */
            ldc Ljava/security/spec/ECParameterSpec;
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifeq 2
         1: .line 201
            aload 1 /* spec */
            aload 0 /* this */
            getfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
            invokevirtual java.lang.Class.cast:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.security.spec.AlgorithmParameterSpec
            areturn
         2: .line 204
      StackMap locals:
      StackMap stack:
            aload 1 /* spec */
            ldc Ljava/security/spec/ECGenParameterSpec;
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifeq 5
         3: .line 206
            aload 0 /* this */
            getfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
            invokevirtual sun.security.util.NamedCurve.getObjectId:()Ljava/lang/String;
            astore 2 /* name */
        start local 2 // java.lang.String name
         4: .line 207
            aload 1 /* spec */
            new java.security.spec.ECGenParameterSpec
            dup
            aload 2 /* name */
            invokespecial java.security.spec.ECGenParameterSpec.<init>:(Ljava/lang/String;)V
            invokevirtual java.lang.Class.cast:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.security.spec.AlgorithmParameterSpec
            areturn
        end local 2 // java.lang.String name
         5: .line 210
      StackMap locals:
      StackMap stack:
            aload 1 /* spec */
            ldc Lsun/security/util/ECKeySizeParameterSpec;
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifeq 8
         6: .line 211
            aload 0 /* this */
            getfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
            invokevirtual sun.security.util.NamedCurve.getCurve:()Ljava/security/spec/EllipticCurve;
            invokevirtual java.security.spec.EllipticCurve.getField:()Ljava/security/spec/ECField;
            invokeinterface java.security.spec.ECField.getFieldSize:()I
            istore 2 /* keySize */
        start local 2 // int keySize
         7: .line 212
            aload 1 /* spec */
            new sun.security.util.ECKeySizeParameterSpec
            dup
            iload 2 /* keySize */
            invokespecial sun.security.util.ECKeySizeParameterSpec.<init>:(I)V
            invokevirtual java.lang.Class.cast:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.security.spec.AlgorithmParameterSpec
            areturn
        end local 2 // int keySize
         8: .line 215
      StackMap locals:
      StackMap stack:
            new java.security.spec.InvalidParameterSpecException
            dup
         9: .line 216
            ldc "Only ECParameterSpec and ECGenParameterSpec supported"
        10: .line 215
            invokespecial java.security.spec.InvalidParameterSpecException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.Class spec
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   11     0     this  Lsun/security/util/ECParameters;
            0   11     1     spec  Ljava/lang/Class<TT;>;
            4    5     2     name  Ljava/lang/String;
            7    8     2  keySize  I
    Exceptions:
      throws java.security.spec.InvalidParameterSpecException
    Signature: <T::Ljava/security/spec/AlgorithmParameterSpec;>(Ljava/lang/Class<TT;>;)TT;
    MethodParameters:
      Name  Flags
      spec  

  protected byte[] engineGetEncoded();
    descriptor: ()[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.util.ECParameters this
         0: .line 220
            aload 0 /* this */
            getfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
            invokevirtual sun.security.util.NamedCurve.getEncoded:()[B
            areturn
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/util/ECParameters;
    Exceptions:
      throws java.io.IOException

  protected byte[] engineGetEncoded(java.lang.String);
    descriptor: (Ljava/lang/String;)[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // sun.security.util.ECParameters this
        start local 1 // java.lang.String encodingMethod
         0: .line 225
            aload 0 /* this */
            invokevirtual sun.security.util.ECParameters.engineGetEncoded:()[B
            areturn
        end local 1 // java.lang.String encodingMethod
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    1     0            this  Lsun/security/util/ECParameters;
            0    1     1  encodingMethod  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                Name  Flags
      encodingMethod  

  protected java.lang.String engineToString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.util.ECParameters this
         0: .line 229
            aload 0 /* this */
            getfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
            ifnonnull 2
         1: .line 230
            ldc "Not initialized"
            areturn
         2: .line 233
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.security.util.ECParameters.namedCurve:Lsun/security/util/NamedCurve;
            invokevirtual sun.security.util.NamedCurve.toString:()Ljava/lang/String;
            areturn
        end local 0 // sun.security.util.ECParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/security/util/ECParameters;
}
SourceFile: "ECParameters.java"