public class sun.security.util.ECUtil
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.security.util.ECUtil
  super_class: java.lang.Object
{
  public static java.security.spec.ECPoint decodePoint(byte[], java.security.spec.EllipticCurve);
    descriptor: ([BLjava/security/spec/EllipticCurve;)Ljava/security/spec/ECPoint;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=5, args_size=2
        start local 0 // byte[] data
        start local 1 // java.security.spec.EllipticCurve curve
         0: .line 47
            aload 0 /* data */
            arraylength
            ifeq 1
            aload 0 /* data */
            iconst_0
            baload
            iconst_4
            if_icmpeq 2
         1: .line 48
      StackMap locals:
      StackMap stack:
            new java.io.IOException
            dup
            ldc "Only uncompressed point format supported"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 52
      StackMap locals:
      StackMap stack:
            aload 0 /* data */
            arraylength
            iconst_1
            isub
            iconst_2
            idiv
            istore 2 /* n */
        start local 2 // int n
         3: .line 53
            iload 2 /* n */
            aload 1 /* curve */
            invokevirtual java.security.spec.EllipticCurve.getField:()Ljava/security/spec/ECField;
            invokeinterface java.security.spec.ECField.getFieldSize:()I
            bipush 7
            iadd
            iconst_3
            ishr
            if_icmpeq 5
         4: .line 54
            new java.io.IOException
            dup
            ldc "Point does not match field size"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 57
      StackMap locals: int
      StackMap stack:
            aload 0 /* data */
            iconst_1
            iconst_1
            iload 2 /* n */
            iadd
            invokestatic java.util.Arrays.copyOfRange:([BII)[B
            astore 3 /* xb */
        start local 3 // byte[] xb
         6: .line 58
            aload 0 /* data */
            iload 2 /* n */
            iconst_1
            iadd
            iload 2 /* n */
            iconst_1
            iadd
            iload 2 /* n */
            iadd
            invokestatic java.util.Arrays.copyOfRange:([BII)[B
            astore 4 /* yb */
        start local 4 // byte[] yb
         7: .line 60
            new java.security.spec.ECPoint
            dup
            new java.math.BigInteger
            dup
            iconst_1
            aload 3 /* xb */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            new java.math.BigInteger
            dup
            iconst_1
            aload 4 /* yb */
            invokespecial java.math.BigInteger.<init>:(I[B)V
            invokespecial java.security.spec.ECPoint.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 4 // byte[] yb
        end local 3 // byte[] xb
        end local 2 // int n
        end local 1 // java.security.spec.EllipticCurve curve
        end local 0 // byte[] data
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   data  [B
            0    8     1  curve  Ljava/security/spec/EllipticCurve;
            3    8     2      n  I
            6    8     3     xb  [B
            7    8     4     yb  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      data   
      curve  

  public static byte[] encodePoint(java.security.spec.ECPoint, java.security.spec.EllipticCurve);
    descriptor: (Ljava/security/spec/ECPoint;Ljava/security/spec/EllipticCurve;)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // java.security.spec.ECPoint point
        start local 1 // java.security.spec.EllipticCurve curve
         0: .line 66
            aload 1 /* curve */
            invokevirtual java.security.spec.EllipticCurve.getField:()Ljava/security/spec/ECField;
            invokeinterface java.security.spec.ECField.getFieldSize:()I
            bipush 7
            iadd
            iconst_3
            ishr
            istore 2 /* n */
        start local 2 // int n
         1: .line 67
            aload 0 /* point */
            invokevirtual java.security.spec.ECPoint.getAffineX:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            invokestatic sun.security.util.ECUtil.trimZeroes:([B)[B
            astore 3 /* xb */
        start local 3 // byte[] xb
         2: .line 68
            aload 0 /* point */
            invokevirtual java.security.spec.ECPoint.getAffineY:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.toByteArray:()[B
            invokestatic sun.security.util.ECUtil.trimZeroes:([B)[B
            astore 4 /* yb */
        start local 4 // byte[] yb
         3: .line 69
            aload 3 /* xb */
            arraylength
            iload 2 /* n */
            if_icmpgt 4
            aload 4 /* yb */
            arraylength
            iload 2 /* n */
            if_icmple 7
         4: .line 70
      StackMap locals: int byte[] byte[]
      StackMap stack:
            new java.lang.RuntimeException
            dup
         5: .line 71
            ldc "Point coordinates do not match field size"
         6: .line 70
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 73
      StackMap locals:
      StackMap stack:
            iconst_1
            iload 2 /* n */
            iconst_1
            ishl
            iadd
            newarray 8
            astore 5 /* b */
        start local 5 // byte[] b
         8: .line 74
            aload 5 /* b */
            iconst_0
            iconst_4
            bastore
         9: .line 75
            aload 3 /* xb */
            iconst_0
            aload 5 /* b */
            iload 2 /* n */
            aload 3 /* xb */
            arraylength
            isub
            iconst_1
            iadd
            aload 3 /* xb */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        10: .line 76
            aload 4 /* yb */
            iconst_0
            aload 5 /* b */
            aload 5 /* b */
            arraylength
            aload 4 /* yb */
            arraylength
            isub
            aload 4 /* yb */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        11: .line 77
            aload 5 /* b */
            areturn
        end local 5 // byte[] b
        end local 4 // byte[] yb
        end local 3 // byte[] xb
        end local 2 // int n
        end local 1 // java.security.spec.EllipticCurve curve
        end local 0 // java.security.spec.ECPoint point
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   12     0  point  Ljava/security/spec/ECPoint;
            0   12     1  curve  Ljava/security/spec/EllipticCurve;
            1   12     2      n  I
            2   12     3     xb  [B
            3   12     4     yb  [B
            8   12     5      b  [B
    MethodParameters:
       Name  Flags
      point  
      curve  

  public static byte[] trimZeroes(byte[]);
    descriptor: ([B)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // byte[] b
         0: .line 81
            iconst_0
            istore 1 /* i */
        start local 1 // int i
         1: .line 82
            goto 3
         2: .line 83
      StackMap locals: int
      StackMap stack:
            iinc 1 /* i */ 1
         3: .line 82
      StackMap locals:
      StackMap stack:
            iload 1 /* i */
            aload 0 /* b */
            arraylength
            iconst_1
            isub
            if_icmpge 4
            aload 0 /* b */
            iload 1 /* i */
            baload
            ifeq 2
         4: .line 85
      StackMap locals:
      StackMap stack:
            iload 1 /* i */
            ifne 6
         5: .line 86
            aload 0 /* b */
            areturn
         6: .line 89
      StackMap locals:
      StackMap stack:
            aload 0 /* b */
            iload 1 /* i */
            aload 0 /* b */
            arraylength
            invokestatic java.util.Arrays.copyOfRange:([BII)[B
            areturn
        end local 1 // int i
        end local 0 // byte[] b
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0     b  [B
            1    7     1     i  I
    MethodParameters:
      Name  Flags
      b     

  private static java.security.KeyFactory getKeyFactory();
    descriptor: ()Ljava/security/KeyFactory;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 94
            ldc "EC"
            ldc "SunEC"
            invokestatic java.security.KeyFactory.getInstance:(Ljava/lang/String;Ljava/lang/String;)Ljava/security/KeyFactory;
         1: areturn
         2: .line 95
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 0 /* e */
        start local 0 // java.security.GeneralSecurityException e
         3: .line 96
            new java.lang.RuntimeException
            dup
            aload 0 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 0 // java.security.GeneralSecurityException e
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            3    4     0     e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.security.NoSuchAlgorithmException
           0     1       2  Class java.security.NoSuchProviderException

  public static java.security.interfaces.ECPublicKey decodeX509ECPublicKey(byte[]);
    descriptor: ([B)Ljava/security/interfaces/ECPublicKey;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // byte[] encoded
         0: .line 102
            invokestatic sun.security.util.ECUtil.getKeyFactory:()Ljava/security/KeyFactory;
            astore 1 /* keyFactory */
        start local 1 // java.security.KeyFactory keyFactory
         1: .line 103
            new java.security.spec.X509EncodedKeySpec
            dup
            aload 0 /* encoded */
            invokespecial java.security.spec.X509EncodedKeySpec.<init>:([B)V
            astore 2 /* keySpec */
        start local 2 // java.security.spec.X509EncodedKeySpec keySpec
         2: .line 105
            aload 1 /* keyFactory */
            aload 2 /* keySpec */
            invokevirtual java.security.KeyFactory.generatePublic:(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
            checkcast java.security.interfaces.ECPublicKey
            areturn
        end local 2 // java.security.spec.X509EncodedKeySpec keySpec
        end local 1 // java.security.KeyFactory keyFactory
        end local 0 // byte[] encoded
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0     encoded  [B
            1    3     1  keyFactory  Ljava/security/KeyFactory;
            2    3     2     keySpec  Ljava/security/spec/X509EncodedKeySpec;
    Exceptions:
      throws java.security.spec.InvalidKeySpecException
    MethodParameters:
         Name  Flags
      encoded  

  public static byte[] x509EncodeECPublicKey(java.security.spec.ECPoint, java.security.spec.ECParameterSpec);
    descriptor: (Ljava/security/spec/ECPoint;Ljava/security/spec/ECParameterSpec;)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // java.security.spec.ECPoint w
        start local 1 // java.security.spec.ECParameterSpec params
         0: .line 110
            invokestatic sun.security.util.ECUtil.getKeyFactory:()Ljava/security/KeyFactory;
            astore 2 /* keyFactory */
        start local 2 // java.security.KeyFactory keyFactory
         1: .line 111
            new java.security.spec.ECPublicKeySpec
            dup
            aload 0 /* w */
            aload 1 /* params */
            invokespecial java.security.spec.ECPublicKeySpec.<init>:(Ljava/security/spec/ECPoint;Ljava/security/spec/ECParameterSpec;)V
            astore 3 /* keySpec */
        start local 3 // java.security.spec.ECPublicKeySpec keySpec
         2: .line 112
            aload 2 /* keyFactory */
            aload 3 /* keySpec */
            invokevirtual java.security.KeyFactory.generatePublic:(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
            checkcast sun.security.x509.X509Key
            astore 4 /* key */
        start local 4 // sun.security.x509.X509Key key
         3: .line 114
            aload 4 /* key */
            invokevirtual sun.security.x509.X509Key.getEncoded:()[B
            areturn
        end local 4 // sun.security.x509.X509Key key
        end local 3 // java.security.spec.ECPublicKeySpec keySpec
        end local 2 // java.security.KeyFactory keyFactory
        end local 1 // java.security.spec.ECParameterSpec params
        end local 0 // java.security.spec.ECPoint w
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0           w  Ljava/security/spec/ECPoint;
            0    4     1      params  Ljava/security/spec/ECParameterSpec;
            1    4     2  keyFactory  Ljava/security/KeyFactory;
            2    4     3     keySpec  Ljava/security/spec/ECPublicKeySpec;
            3    4     4         key  Lsun/security/x509/X509Key;
    Exceptions:
      throws java.security.spec.InvalidKeySpecException
    MethodParameters:
        Name  Flags
      w       
      params  

  public static java.security.interfaces.ECPrivateKey decodePKCS8ECPrivateKey(byte[]);
    descriptor: ([B)Ljava/security/interfaces/ECPrivateKey;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // byte[] encoded
         0: .line 119
            invokestatic sun.security.util.ECUtil.getKeyFactory:()Ljava/security/KeyFactory;
            astore 1 /* keyFactory */
        start local 1 // java.security.KeyFactory keyFactory
         1: .line 120
            new java.security.spec.PKCS8EncodedKeySpec
            dup
            aload 0 /* encoded */
            invokespecial java.security.spec.PKCS8EncodedKeySpec.<init>:([B)V
            astore 2 /* keySpec */
        start local 2 // java.security.spec.PKCS8EncodedKeySpec keySpec
         2: .line 122
            aload 1 /* keyFactory */
            aload 2 /* keySpec */
            invokevirtual java.security.KeyFactory.generatePrivate:(Ljava/security/spec/KeySpec;)Ljava/security/PrivateKey;
            checkcast java.security.interfaces.ECPrivateKey
            areturn
        end local 2 // java.security.spec.PKCS8EncodedKeySpec keySpec
        end local 1 // java.security.KeyFactory keyFactory
        end local 0 // byte[] encoded
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0     encoded  [B
            1    3     1  keyFactory  Ljava/security/KeyFactory;
            2    3     2     keySpec  Ljava/security/spec/PKCS8EncodedKeySpec;
    Exceptions:
      throws java.security.spec.InvalidKeySpecException
    MethodParameters:
         Name  Flags
      encoded  

  public static java.security.interfaces.ECPrivateKey generateECPrivateKey(java.math.BigInteger, java.security.spec.ECParameterSpec);
    descriptor: (Ljava/math/BigInteger;Ljava/security/spec/ECParameterSpec;)Ljava/security/interfaces/ECPrivateKey;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // java.math.BigInteger s
        start local 1 // java.security.spec.ECParameterSpec params
         0: .line 127
            invokestatic sun.security.util.ECUtil.getKeyFactory:()Ljava/security/KeyFactory;
            astore 2 /* keyFactory */
        start local 2 // java.security.KeyFactory keyFactory
         1: .line 128
            new java.security.spec.ECPrivateKeySpec
            dup
            aload 0 /* s */
            aload 1 /* params */
            invokespecial java.security.spec.ECPrivateKeySpec.<init>:(Ljava/math/BigInteger;Ljava/security/spec/ECParameterSpec;)V
            astore 3 /* keySpec */
        start local 3 // java.security.spec.ECPrivateKeySpec keySpec
         2: .line 130
            aload 2 /* keyFactory */
            aload 3 /* keySpec */
            invokevirtual java.security.KeyFactory.generatePrivate:(Ljava/security/spec/KeySpec;)Ljava/security/PrivateKey;
            checkcast java.security.interfaces.ECPrivateKey
            areturn
        end local 3 // java.security.spec.ECPrivateKeySpec keySpec
        end local 2 // java.security.KeyFactory keyFactory
        end local 1 // java.security.spec.ECParameterSpec params
        end local 0 // java.math.BigInteger s
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0           s  Ljava/math/BigInteger;
            0    3     1      params  Ljava/security/spec/ECParameterSpec;
            1    3     2  keyFactory  Ljava/security/KeyFactory;
            2    3     3     keySpec  Ljava/security/spec/ECPrivateKeySpec;
    Exceptions:
      throws java.security.spec.InvalidKeySpecException
    MethodParameters:
        Name  Flags
      s       
      params  

  private static java.security.AlgorithmParameters getECParameters(java.security.Provider);
    descriptor: (Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.security.Provider p
         0: .line 135
            aload 0 /* p */
            ifnull 3
         1: .line 136
            ldc "EC"
            aload 0 /* p */
            invokestatic java.security.AlgorithmParameters.getInstance:(Ljava/lang/String;Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
         2: areturn
         3: .line 139
      StackMap locals:
      StackMap stack:
            ldc "EC"
            invokestatic java.security.AlgorithmParameters.getInstance:(Ljava/lang/String;)Ljava/security/AlgorithmParameters;
         4: areturn
         5: .line 140
      StackMap locals:
      StackMap stack: java.security.NoSuchAlgorithmException
            astore 1 /* nsae */
        start local 1 // java.security.NoSuchAlgorithmException nsae
         6: .line 141
            new java.lang.RuntimeException
            dup
            aload 1 /* nsae */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.security.NoSuchAlgorithmException nsae
        end local 0 // java.security.Provider p
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0     p  Ljava/security/Provider;
            6    7     1  nsae  Ljava/security/NoSuchAlgorithmException;
      Exception table:
        from    to  target  type
           0     2       5  Class java.security.NoSuchAlgorithmException
           3     4       5  Class java.security.NoSuchAlgorithmException
    MethodParameters:
      Name  Flags
      p     

  public static byte[] encodeECParameterSpec(java.security.Provider, java.security.spec.ECParameterSpec);
    descriptor: (Ljava/security/Provider;Ljava/security/spec/ECParameterSpec;)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // java.security.Provider p
        start local 1 // java.security.spec.ECParameterSpec spec
         0: .line 147
            aload 0 /* p */
            invokestatic sun.security.util.ECUtil.getECParameters:(Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
            astore 2 /* parameters */
        start local 2 // java.security.AlgorithmParameters parameters
         1: .line 150
            aload 2 /* parameters */
            aload 1 /* spec */
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 151
            goto 5
      StackMap locals: java.security.Provider java.security.spec.ECParameterSpec java.security.AlgorithmParameters
      StackMap stack: java.security.spec.InvalidParameterSpecException
         3: pop
         4: .line 152
            new java.lang.RuntimeException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Not a known named curve: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* spec */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 156
      StackMap locals:
      StackMap stack:
            aload 2 /* parameters */
            invokevirtual java.security.AlgorithmParameters.getEncoded:()[B
         6: areturn
         7: .line 157
      StackMap locals:
      StackMap stack: java.io.IOException
            astore 3 /* ioe */
        start local 3 // java.io.IOException ioe
         8: .line 159
            new java.lang.RuntimeException
            dup
            aload 3 /* ioe */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.io.IOException ioe
        end local 2 // java.security.AlgorithmParameters parameters
        end local 1 // java.security.spec.ECParameterSpec spec
        end local 0 // java.security.Provider p
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    9     0           p  Ljava/security/Provider;
            0    9     1        spec  Ljava/security/spec/ECParameterSpec;
            1    9     2  parameters  Ljava/security/AlgorithmParameters;
            8    9     3         ioe  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           1     2       3  Class java.security.spec.InvalidParameterSpecException
           5     6       7  Class java.io.IOException
    MethodParameters:
      Name  Flags
      p     
      spec  

  public static java.security.spec.ECParameterSpec getECParameterSpec(java.security.Provider, java.security.spec.ECParameterSpec);
    descriptor: (Ljava/security/Provider;Ljava/security/spec/ECParameterSpec;)Ljava/security/spec/ECParameterSpec;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.security.Provider p
        start local 1 // java.security.spec.ECParameterSpec spec
         0: .line 165
            aload 0 /* p */
            invokestatic sun.security.util.ECUtil.getECParameters:(Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
            astore 2 /* parameters */
        start local 2 // java.security.AlgorithmParameters parameters
         1: .line 168
            aload 2 /* parameters */
            aload 1 /* spec */
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 169
            aload 2 /* parameters */
            ldc Ljava/security/spec/ECParameterSpec;
            invokevirtual java.security.AlgorithmParameters.getParameterSpec:(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.ECParameterSpec
         3: areturn
         4: .line 170
      StackMap locals: java.security.Provider java.security.spec.ECParameterSpec java.security.AlgorithmParameters
      StackMap stack: java.security.spec.InvalidParameterSpecException
            pop
         5: .line 171
            aconst_null
            areturn
        end local 2 // java.security.AlgorithmParameters parameters
        end local 1 // java.security.spec.ECParameterSpec spec
        end local 0 // java.security.Provider p
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0           p  Ljava/security/Provider;
            0    6     1        spec  Ljava/security/spec/ECParameterSpec;
            1    6     2  parameters  Ljava/security/AlgorithmParameters;
      Exception table:
        from    to  target  type
           1     3       4  Class java.security.spec.InvalidParameterSpecException
    MethodParameters:
      Name  Flags
      p     
      spec  

  public static java.security.spec.ECParameterSpec getECParameterSpec(java.security.Provider, byte[]);
    descriptor: (Ljava/security/Provider;[B)Ljava/security/spec/ECParameterSpec;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.security.Provider p
        start local 1 // byte[] params
         0: .line 178
            aload 0 /* p */
            invokestatic sun.security.util.ECUtil.getECParameters:(Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
            astore 2 /* parameters */
        start local 2 // java.security.AlgorithmParameters parameters
         1: .line 180
            aload 2 /* parameters */
            aload 1 /* params */
            invokevirtual java.security.AlgorithmParameters.init:([B)V
         2: .line 183
            aload 2 /* parameters */
            ldc Ljava/security/spec/ECParameterSpec;
            invokevirtual java.security.AlgorithmParameters.getParameterSpec:(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.ECParameterSpec
         3: areturn
         4: .line 184
      StackMap locals: java.security.Provider byte[] java.security.AlgorithmParameters
      StackMap stack: java.security.spec.InvalidParameterSpecException
            pop
         5: .line 185
            aconst_null
            areturn
        end local 2 // java.security.AlgorithmParameters parameters
        end local 1 // byte[] params
        end local 0 // java.security.Provider p
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0           p  Ljava/security/Provider;
            0    6     1      params  [B
            1    6     2  parameters  Ljava/security/AlgorithmParameters;
      Exception table:
        from    to  target  type
           2     3       4  Class java.security.spec.InvalidParameterSpecException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      p       
      params  

  public static java.security.spec.ECParameterSpec getECParameterSpec(java.security.Provider, java.lang.String);
    descriptor: (Ljava/security/Provider;Ljava/lang/String;)Ljava/security/spec/ECParameterSpec;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // java.security.Provider p
        start local 1 // java.lang.String name
         0: .line 190
            aload 0 /* p */
            invokestatic sun.security.util.ECUtil.getECParameters:(Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
            astore 2 /* parameters */
        start local 2 // java.security.AlgorithmParameters parameters
         1: .line 193
            aload 2 /* parameters */
            new java.security.spec.ECGenParameterSpec
            dup
            aload 1 /* name */
            invokespecial java.security.spec.ECGenParameterSpec.<init>:(Ljava/lang/String;)V
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 194
            aload 2 /* parameters */
            ldc Ljava/security/spec/ECParameterSpec;
            invokevirtual java.security.AlgorithmParameters.getParameterSpec:(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.ECParameterSpec
         3: areturn
         4: .line 195
      StackMap locals: java.security.Provider java.lang.String java.security.AlgorithmParameters
      StackMap stack: java.security.spec.InvalidParameterSpecException
            pop
         5: .line 196
            aconst_null
            areturn
        end local 2 // java.security.AlgorithmParameters parameters
        end local 1 // java.lang.String name
        end local 0 // java.security.Provider p
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0           p  Ljava/security/Provider;
            0    6     1        name  Ljava/lang/String;
            1    6     2  parameters  Ljava/security/AlgorithmParameters;
      Exception table:
        from    to  target  type
           1     3       4  Class java.security.spec.InvalidParameterSpecException
    MethodParameters:
      Name  Flags
      p     
      name  

  public static java.security.spec.ECParameterSpec getECParameterSpec(java.security.Provider, int);
    descriptor: (Ljava/security/Provider;I)Ljava/security/spec/ECParameterSpec;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // java.security.Provider p
        start local 1 // int keySize
         0: .line 201
            aload 0 /* p */
            invokestatic sun.security.util.ECUtil.getECParameters:(Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
            astore 2 /* parameters */
        start local 2 // java.security.AlgorithmParameters parameters
         1: .line 204
            aload 2 /* parameters */
            new sun.security.util.ECKeySizeParameterSpec
            dup
            iload 1 /* keySize */
            invokespecial sun.security.util.ECKeySizeParameterSpec.<init>:(I)V
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 205
            aload 2 /* parameters */
            ldc Ljava/security/spec/ECParameterSpec;
            invokevirtual java.security.AlgorithmParameters.getParameterSpec:(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.ECParameterSpec
         3: areturn
         4: .line 206
      StackMap locals: java.security.Provider int java.security.AlgorithmParameters
      StackMap stack: java.security.spec.InvalidParameterSpecException
            pop
         5: .line 207
            aconst_null
            areturn
        end local 2 // java.security.AlgorithmParameters parameters
        end local 1 // int keySize
        end local 0 // java.security.Provider p
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0           p  Ljava/security/Provider;
            0    6     1     keySize  I
            1    6     2  parameters  Ljava/security/AlgorithmParameters;
      Exception table:
        from    to  target  type
           1     3       4  Class java.security.spec.InvalidParameterSpecException
    MethodParameters:
         Name  Flags
      p        
      keySize  

  public static java.lang.String getCurveName(java.security.Provider, java.security.spec.ECParameterSpec);
    descriptor: (Ljava/security/Provider;Ljava/security/spec/ECParameterSpec;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // java.security.Provider p
        start local 1 // java.security.spec.ECParameterSpec spec
         0: .line 214
            aload 0 /* p */
            invokestatic sun.security.util.ECUtil.getECParameters:(Ljava/security/Provider;)Ljava/security/AlgorithmParameters;
            astore 3 /* parameters */
        start local 3 // java.security.AlgorithmParameters parameters
         1: .line 217
            aload 3 /* parameters */
            aload 1 /* spec */
            invokevirtual java.security.AlgorithmParameters.init:(Ljava/security/spec/AlgorithmParameterSpec;)V
         2: .line 218
            aload 3 /* parameters */
            ldc Ljava/security/spec/ECGenParameterSpec;
            invokevirtual java.security.AlgorithmParameters.getParameterSpec:(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
            checkcast java.security.spec.ECGenParameterSpec
            astore 2 /* nameSpec */
        start local 2 // java.security.spec.ECGenParameterSpec nameSpec
         3: .line 219
            goto 6
        end local 2 // java.security.spec.ECGenParameterSpec nameSpec
      StackMap locals: java.security.Provider java.security.spec.ECParameterSpec top java.security.AlgorithmParameters
      StackMap stack: java.security.spec.InvalidParameterSpecException
         4: pop
         5: .line 220
            aconst_null
            areturn
        start local 2 // java.security.spec.ECGenParameterSpec nameSpec
         6: .line 223
      StackMap locals: java.security.Provider java.security.spec.ECParameterSpec java.security.spec.ECGenParameterSpec java.security.AlgorithmParameters
      StackMap stack:
            aload 2 /* nameSpec */
            ifnonnull 8
         7: .line 224
            aconst_null
            areturn
         8: .line 227
      StackMap locals:
      StackMap stack:
            aload 2 /* nameSpec */
            invokevirtual java.security.spec.ECGenParameterSpec.getName:()Ljava/lang/String;
            areturn
        end local 3 // java.security.AlgorithmParameters parameters
        end local 2 // java.security.spec.ECGenParameterSpec nameSpec
        end local 1 // java.security.spec.ECParameterSpec spec
        end local 0 // java.security.Provider p
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    9     0           p  Ljava/security/Provider;
            0    9     1        spec  Ljava/security/spec/ECParameterSpec;
            3    4     2    nameSpec  Ljava/security/spec/ECGenParameterSpec;
            6    9     2    nameSpec  Ljava/security/spec/ECGenParameterSpec;
            1    9     3  parameters  Ljava/security/AlgorithmParameters;
      Exception table:
        from    to  target  type
           1     3       4  Class java.security.spec.InvalidParameterSpecException
    MethodParameters:
      Name  Flags
      p     
      spec  

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.util.ECUtil this
         0: .line 230
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // sun.security.util.ECUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/util/ECUtil;
}
SourceFile: "ECUtil.java"