http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
public class org.bouncycastle.math.ec.ECFieldElement$Fp extends org.bouncycastle.math.ec.ECFieldElement
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.math.ec.ECFieldElement$Fp
  super_class: org.bouncycastle.math.ec.ECFieldElement
{
  java.math.BigInteger x;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0000) 

  java.math.BigInteger q;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0000) 

  public void <init>(java.math.BigInteger, java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;Ljava/math/BigInteger;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
        start local 1 // java.math.BigInteger q
        start local 2 // java.math.BigInteger x
         0: .line 33
            aload 0 /* this */
            invokespecial org.bouncycastle.math.ec.ECFieldElement.<init>:()V
         1: .line 35
            aload 0 /* this */
            aload 2 /* x */
            putfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
         2: .line 37
            aload 2 /* x */
            aload 1 /* q */
            invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
            iflt 4
         3: .line 39
            new java.lang.IllegalArgumentException
            dup
            ldc "x value too large in field element"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 42
      StackMap locals: org.bouncycastle.math.ec.ECFieldElement$Fp java.math.BigInteger java.math.BigInteger
      StackMap stack:
            aload 0 /* this */
            aload 1 /* q */
            putfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
         5: .line 43
            return
        end local 2 // java.math.BigInteger x
        end local 1 // java.math.BigInteger q
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
            0    6     1     q  Ljava/math/BigInteger;
            0    6     2     x  Ljava/math/BigInteger;
    MethodParameters:
      Name  Flags
      q     
      x     

  public java.math.BigInteger toBigInteger();
    descriptor: ()Ljava/math/BigInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 47
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            areturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;

  public java.lang.String getFieldName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 57
            ldc "Fp"
            areturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;

  public int getFieldSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 62
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.bitLength:()I
            ireturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;

  public java.math.BigInteger getQ();
    descriptor: ()Ljava/math/BigInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 67
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            areturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;

  public org.bouncycastle.math.ec.ECFieldElement add(org.bouncycastle.math.ec.ECFieldElement);
    descriptor: (Lorg/bouncycastle/math/ec/ECFieldElement;)Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
        start local 1 // org.bouncycastle.math.ec.ECFieldElement b
         0: .line 72
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 1 /* b */
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.toBigInteger:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.add:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 1 // org.bouncycastle.math.ec.ECFieldElement b
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
            0    1     1     b  Lorg/bouncycastle/math/ec/ECFieldElement;
    MethodParameters:
      Name  Flags
      b     

  public org.bouncycastle.math.ec.ECFieldElement subtract(org.bouncycastle.math.ec.ECFieldElement);
    descriptor: (Lorg/bouncycastle/math/ec/ECFieldElement;)Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
        start local 1 // org.bouncycastle.math.ec.ECFieldElement b
         0: .line 77
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 1 /* b */
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.toBigInteger:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 1 // org.bouncycastle.math.ec.ECFieldElement b
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
            0    1     1     b  Lorg/bouncycastle/math/ec/ECFieldElement;
    MethodParameters:
      Name  Flags
      b     

  public org.bouncycastle.math.ec.ECFieldElement multiply(org.bouncycastle.math.ec.ECFieldElement);
    descriptor: (Lorg/bouncycastle/math/ec/ECFieldElement;)Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
        start local 1 // org.bouncycastle.math.ec.ECFieldElement b
         0: .line 82
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 1 /* b */
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.toBigInteger:()Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 1 // org.bouncycastle.math.ec.ECFieldElement b
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
            0    1     1     b  Lorg/bouncycastle/math/ec/ECFieldElement;
    MethodParameters:
      Name  Flags
      b     

  public org.bouncycastle.math.ec.ECFieldElement divide(org.bouncycastle.math.ec.ECFieldElement);
    descriptor: (Lorg/bouncycastle/math/ec/ECFieldElement;)Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
        start local 1 // org.bouncycastle.math.ec.ECFieldElement b
         0: .line 87
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 1 /* b */
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.toBigInteger:()Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.modInverse:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 1 // org.bouncycastle.math.ec.ECFieldElement b
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
            0    1     1     b  Lorg/bouncycastle/math/ec/ECFieldElement;
    MethodParameters:
      Name  Flags
      b     

  public org.bouncycastle.math.ec.ECFieldElement negate();
    descriptor: ()Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 92
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.negate:()Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;

  public org.bouncycastle.math.ec.ECFieldElement square();
    descriptor: ()Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 97
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;

  public org.bouncycastle.math.ec.ECFieldElement invert();
    descriptor: ()Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 102
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.modInverse:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;

  public org.bouncycastle.math.ec.ECFieldElement sqrt();
    descriptor: ()Lorg/bouncycastle/math/ec/ECFieldElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=12, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 112
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            iconst_0
            invokevirtual java.math.BigInteger.testBit:(I)Z
            ifne 2
         1: .line 114
            new java.lang.RuntimeException
            dup
            ldc "not done yet"
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 120
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            iconst_1
            invokevirtual java.math.BigInteger.testBit:(I)Z
            ifeq 7
         3: .line 123
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            iconst_2
            invokevirtual java.math.BigInteger.shiftRight:(I)Ljava/math/BigInteger;
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.add:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.modPow:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            astore 1 /* z */
        start local 1 // org.bouncycastle.math.ec.ECFieldElement z
         4: .line 125
            aload 1 /* z */
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.square:()Lorg/bouncycastle/math/ec/ECFieldElement;
            aload 0 /* this */
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifeq 5
            aload 1 /* z */
            goto 6
      StackMap locals: org.bouncycastle.math.ec.ECFieldElement
      StackMap stack:
         5: aconst_null
      StackMap locals:
      StackMap stack: org.bouncycastle.math.ec.ECFieldElement
         6: areturn
        end local 1 // org.bouncycastle.math.ec.ECFieldElement z
         7: .line 129
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 1 /* qMinusOne */
        start local 1 // java.math.BigInteger qMinusOne
         8: .line 131
            aload 1 /* qMinusOne */
            iconst_1
            invokevirtual java.math.BigInteger.shiftRight:(I)Ljava/math/BigInteger;
            astore 2 /* legendreExponent */
        start local 2 // java.math.BigInteger legendreExponent
         9: .line 132
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 2 /* legendreExponent */
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.modPow:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Ljava/math/BigInteger;
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifne 11
        10: .line 134
            aconst_null
            areturn
        11: .line 137
      StackMap locals: java.math.BigInteger java.math.BigInteger
      StackMap stack:
            aload 1 /* qMinusOne */
            iconst_2
            invokevirtual java.math.BigInteger.shiftRight:(I)Ljava/math/BigInteger;
            astore 3 /* u */
        start local 3 // java.math.BigInteger u
        12: .line 138
            aload 3 /* u */
            iconst_1
            invokevirtual java.math.BigInteger.shiftLeft:(I)Ljava/math/BigInteger;
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.add:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 4 /* k */
        start local 4 // java.math.BigInteger k
        13: .line 140
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            astore 5 /* Q */
        start local 5 // java.math.BigInteger Q
        14: .line 141
            aload 5 /* Q */
            iconst_2
            invokevirtual java.math.BigInteger.shiftLeft:(I)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 6 /* fourQ */
        start local 6 // java.math.BigInteger fourQ
        15: .line 144
            new java.util.Random
            dup
            invokespecial java.util.Random.<init>:()V
            astore 9 /* rand */
        start local 9 // java.util.Random rand
        16: .line 150
      StackMap locals: org.bouncycastle.math.ec.ECFieldElement$Fp java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger top top java.util.Random
      StackMap stack:
            new java.math.BigInteger
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.bitLength:()I
            aload 9 /* rand */
            invokespecial java.math.BigInteger.<init>:(ILjava/util/Random;)V
            astore 10 /* P */
        start local 10 // java.math.BigInteger P
        17: .line 152
            aload 10 /* P */
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.compareTo:(Ljava/math/BigInteger;)I
            ifge 16
        18: .line 153
            aload 10 /* P */
            aload 10 /* P */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 6 /* fourQ */
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 2 /* legendreExponent */
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.modPow:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 1 /* qMinusOne */
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifeq 16
        19: .line 155
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 10 /* P */
            aload 5 /* Q */
            aload 4 /* k */
            invokestatic org.bouncycastle.math.ec.ECFieldElement$Fp.lucasSequence:(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)[Ljava/math/BigInteger;
            astore 11 /* result */
        start local 11 // java.math.BigInteger[] result
        20: .line 156
            aload 11 /* result */
            iconst_0
            aaload
            astore 7 /* U */
        start local 7 // java.math.BigInteger U
        21: .line 157
            aload 11 /* result */
            iconst_1
            aaload
            astore 8 /* V */
        start local 8 // java.math.BigInteger V
        22: .line 159
            aload 8 /* V */
            aload 8 /* V */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 6 /* fourQ */
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifeq 27
        23: .line 162
            aload 8 /* V */
            iconst_0
            invokevirtual java.math.BigInteger.testBit:(I)Z
            ifeq 25
        24: .line 164
            aload 8 /* V */
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.add:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 8 /* V */
        25: .line 167
      StackMap locals: org.bouncycastle.math.ec.ECFieldElement$Fp java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.util.Random java.math.BigInteger java.math.BigInteger[]
      StackMap stack:
            aload 8 /* V */
            iconst_1
            invokevirtual java.math.BigInteger.shiftRight:(I)Ljava/math/BigInteger;
            astore 8 /* V */
        26: .line 171
            new org.bouncycastle.math.ec.ECFieldElement$Fp
            dup
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 8 /* V */
            invokespecial org.bouncycastle.math.ec.ECFieldElement$Fp.<init>:(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
            areturn
        end local 11 // java.math.BigInteger[] result
        end local 10 // java.math.BigInteger P
        27: .line 174
      StackMap locals:
      StackMap stack:
            aload 7 /* U */
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifne 16
            aload 7 /* U */
            aload 1 /* qMinusOne */
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifne 16
        28: .line 176
            aconst_null
            areturn
        end local 9 // java.util.Random rand
        end local 8 // java.math.BigInteger V
        end local 7 // java.math.BigInteger U
        end local 6 // java.math.BigInteger fourQ
        end local 5 // java.math.BigInteger Q
        end local 4 // java.math.BigInteger k
        end local 3 // java.math.BigInteger u
        end local 2 // java.math.BigInteger legendreExponent
        end local 1 // java.math.BigInteger qMinusOne
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0   29     0              this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
            4    7     1                 z  Lorg/bouncycastle/math/ec/ECFieldElement;
            8   29     1         qMinusOne  Ljava/math/BigInteger;
            9   29     2  legendreExponent  Ljava/math/BigInteger;
           12   29     3                 u  Ljava/math/BigInteger;
           13   29     4                 k  Ljava/math/BigInteger;
           14   29     5                 Q  Ljava/math/BigInteger;
           15   29     6             fourQ  Ljava/math/BigInteger;
           21   29     7                 U  Ljava/math/BigInteger;
           22   29     8                 V  Ljava/math/BigInteger;
           16   29     9              rand  Ljava/util/Random;
           17   27    10                 P  Ljava/math/BigInteger;
           20   27    11            result  [Ljava/math/BigInteger;

  private static java.math.BigInteger[] lucasSequence(java.math.BigInteger, java.math.BigInteger, java.math.BigInteger, java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)[Ljava/math/BigInteger;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=12, args_size=4
        start local 0 // java.math.BigInteger p
        start local 1 // java.math.BigInteger P
        start local 2 // java.math.BigInteger Q
        start local 3 // java.math.BigInteger k
         0: .line 239
            aload 3 /* k */
            invokevirtual java.math.BigInteger.bitLength:()I
            istore 4 /* n */
        start local 4 // int n
         1: .line 240
            aload 3 /* k */
            invokevirtual java.math.BigInteger.getLowestSetBit:()I
            istore 5 /* s */
        start local 5 // int s
         2: .line 242
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            astore 6 /* Uh */
        start local 6 // java.math.BigInteger Uh
         3: .line 243
            getstatic org.bouncycastle.math.ec.ECConstants.TWO:Ljava/math/BigInteger;
            astore 7 /* Vl */
        start local 7 // java.math.BigInteger Vl
         4: .line 244
            aload 1 /* P */
            astore 8 /* Vh */
        start local 8 // java.math.BigInteger Vh
         5: .line 245
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            astore 9 /* Ql */
        start local 9 // java.math.BigInteger Ql
         6: .line 246
            getstatic org.bouncycastle.math.ec.ECConstants.ONE:Ljava/math/BigInteger;
            astore 10 /* Qh */
        start local 10 // java.math.BigInteger Qh
         7: .line 248
            iload 4 /* n */
            iconst_1
            isub
            istore 11 /* j */
        start local 11 // int j
         8: goto 21
         9: .line 250
      StackMap locals: java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger int int java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger java.math.BigInteger int
      StackMap stack:
            aload 9 /* Ql */
            aload 10 /* Qh */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 9 /* Ql */
        10: .line 252
            aload 3 /* k */
            iload 11 /* j */
            invokevirtual java.math.BigInteger.testBit:(I)Z
            ifeq 16
        11: .line 254
            aload 9 /* Ql */
            aload 2 /* Q */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 10 /* Qh */
        12: .line 255
            aload 6 /* Uh */
            aload 8 /* Vh */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 6 /* Uh */
        13: .line 256
            aload 8 /* Vh */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 1 /* P */
            aload 9 /* Ql */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 7 /* Vl */
        14: .line 257
            aload 8 /* Vh */
            aload 8 /* Vh */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 10 /* Qh */
            iconst_1
            invokevirtual java.math.BigInteger.shiftLeft:(I)Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 8 /* Vh */
        15: .line 258
            goto 20
        16: .line 261
      StackMap locals:
      StackMap stack:
            aload 9 /* Ql */
            astore 10 /* Qh */
        17: .line 262
            aload 6 /* Uh */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 9 /* Ql */
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 6 /* Uh */
        18: .line 263
            aload 8 /* Vh */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 1 /* P */
            aload 9 /* Ql */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 8 /* Vh */
        19: .line 264
            aload 7 /* Vl */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 9 /* Ql */
            iconst_1
            invokevirtual java.math.BigInteger.shiftLeft:(I)Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 7 /* Vl */
        20: .line 248
      StackMap locals:
      StackMap stack:
            iinc 11 /* j */ -1
      StackMap locals:
      StackMap stack:
        21: iload 11 /* j */
            iload 5 /* s */
            iconst_1
            iadd
            if_icmpge 9
        end local 11 // int j
        22: .line 268
            aload 9 /* Ql */
            aload 10 /* Qh */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 9 /* Ql */
        23: .line 269
            aload 9 /* Ql */
            aload 2 /* Q */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 10 /* Qh */
        24: .line 270
            aload 6 /* Uh */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 9 /* Ql */
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 6 /* Uh */
        25: .line 271
            aload 8 /* Vh */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 1 /* P */
            aload 9 /* Ql */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 7 /* Vl */
        26: .line 272
            aload 9 /* Ql */
            aload 10 /* Qh */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 9 /* Ql */
        27: .line 274
            iconst_1
            istore 11 /* j */
        start local 11 // int j
        28: goto 33
        29: .line 276
      StackMap locals:
      StackMap stack:
            aload 6 /* Uh */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 6 /* Uh */
        30: .line 277
            aload 7 /* Vl */
            aload 7 /* Vl */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 9 /* Ql */
            iconst_1
            invokevirtual java.math.BigInteger.shiftLeft:(I)Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.subtract:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 7 /* Vl */
        31: .line 278
            aload 9 /* Ql */
            aload 9 /* Ql */
            invokevirtual java.math.BigInteger.multiply:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            aload 0 /* p */
            invokevirtual java.math.BigInteger.mod:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            astore 9 /* Ql */
        32: .line 274
            iinc 11 /* j */ 1
      StackMap locals:
      StackMap stack:
        33: iload 11 /* j */
            iload 5 /* s */
            if_icmple 29
        end local 11 // int j
        34: .line 281
            iconst_2
            anewarray java.math.BigInteger
            dup
            iconst_0
            aload 6 /* Uh */
            aastore
            dup
            iconst_1
            aload 7 /* Vl */
            aastore
            areturn
        end local 10 // java.math.BigInteger Qh
        end local 9 // java.math.BigInteger Ql
        end local 8 // java.math.BigInteger Vh
        end local 7 // java.math.BigInteger Vl
        end local 6 // java.math.BigInteger Uh
        end local 5 // int s
        end local 4 // int n
        end local 3 // java.math.BigInteger k
        end local 2 // java.math.BigInteger Q
        end local 1 // java.math.BigInteger P
        end local 0 // java.math.BigInteger p
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   35     0     p  Ljava/math/BigInteger;
            0   35     1     P  Ljava/math/BigInteger;
            0   35     2     Q  Ljava/math/BigInteger;
            0   35     3     k  Ljava/math/BigInteger;
            1   35     4     n  I
            2   35     5     s  I
            3   35     6    Uh  Ljava/math/BigInteger;
            4   35     7    Vl  Ljava/math/BigInteger;
            5   35     8    Vh  Ljava/math/BigInteger;
            6   35     9    Ql  Ljava/math/BigInteger;
            7   35    10    Qh  Ljava/math/BigInteger;
            8   22    11     j  I
           28   34    11     j  I
    MethodParameters:
      Name  Flags
      p     
      P     
      Q     
      k     

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
        start local 1 // java.lang.Object other
         0: .line 286
            aload 1 /* other */
            aload 0 /* this */
            if_acmpne 2
         1: .line 288
            iconst_1
            ireturn
         2: .line 291
      StackMap locals:
      StackMap stack:
            aload 1 /* other */
            instanceof org.bouncycastle.math.ec.ECFieldElement$Fp
            ifne 4
         3: .line 293
            iconst_0
            ireturn
         4: .line 296
      StackMap locals:
      StackMap stack:
            aload 1 /* other */
            checkcast org.bouncycastle.math.ec.ECFieldElement$Fp
            astore 2 /* o */
        start local 2 // org.bouncycastle.math.ec.ECFieldElement$Fp o
         5: .line 297
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            aload 2 /* o */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifeq 6
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            aload 2 /* o */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifeq 6
            iconst_1
            ireturn
      StackMap locals: org.bouncycastle.math.ec.ECFieldElement$Fp
      StackMap stack:
         6: iconst_0
            ireturn
        end local 2 // org.bouncycastle.math.ec.ECFieldElement$Fp o
        end local 1 // java.lang.Object other
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
            0    7     1  other  Ljava/lang/Object;
            5    7     2      o  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
    MethodParameters:
       Name  Flags
      other  

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
         0: .line 302
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.q:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.hashCode:()I
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.ECFieldElement$Fp.x:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.hashCode:()I
            ixor
            ireturn
        end local 0 // org.bouncycastle.math.ec.ECFieldElement$Fp this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/ECFieldElement$Fp;
}
SourceFile: "ECFieldElement.java"
NestHost: org.bouncycastle.math.ec.ECFieldElement
InnerClasses:
  public Fp = org.bouncycastle.math.ec.ECFieldElement$Fp of org.bouncycastle.math.ec.ECFieldElement