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 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.crypto.params.ECDomainParameters implements org.bouncycastle.math.ec.ECConstants
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.crypto.params.ECDomainParameters
  super_class: java.lang.Object
{
  private org.bouncycastle.math.ec.ECCurve curve;
    descriptor: Lorg/bouncycastle/math/ec/ECCurve;
    flags: (0x0002) ACC_PRIVATE

  private byte[] seed;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.math.ec.ECPoint G;
    descriptor: Lorg/bouncycastle/math/ec/ECPoint;
    flags: (0x0002) ACC_PRIVATE

  private java.math.BigInteger n;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0002) ACC_PRIVATE

  private java.math.BigInteger h;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0002) ACC_PRIVATE

  private java.math.BigInteger hInv;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.math.ec.ECCurve, org.bouncycastle.math.ec.ECPoint, java.math.BigInteger);
    descriptor: (Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;Ljava/math/BigInteger;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=4
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
        start local 1 // org.bouncycastle.math.ec.ECCurve curve
        start local 2 // org.bouncycastle.math.ec.ECPoint G
        start local 3 // java.math.BigInteger n
         0: .line 26
            aload 0 /* this */
            aload 1 /* curve */
            aload 2 /* G */
            aload 3 /* n */
            getstatic org.bouncycastle.crypto.params.ECDomainParameters.ONE:Ljava/math/BigInteger;
            aconst_null
            invokespecial org.bouncycastle.crypto.params.ECDomainParameters.<init>:(Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V
         1: .line 27
            return
        end local 3 // java.math.BigInteger n
        end local 2 // org.bouncycastle.math.ec.ECPoint G
        end local 1 // org.bouncycastle.math.ec.ECCurve curve
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/bouncycastle/crypto/params/ECDomainParameters;
            0    2     1  curve  Lorg/bouncycastle/math/ec/ECCurve;
            0    2     2      G  Lorg/bouncycastle/math/ec/ECPoint;
            0    2     3      n  Ljava/math/BigInteger;
    MethodParameters:
       Name  Flags
      curve  
      G      
      n      

  public void <init>(org.bouncycastle.math.ec.ECCurve, org.bouncycastle.math.ec.ECPoint, java.math.BigInteger, java.math.BigInteger);
    descriptor: (Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=5
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
        start local 1 // org.bouncycastle.math.ec.ECCurve curve
        start local 2 // org.bouncycastle.math.ec.ECPoint G
        start local 3 // java.math.BigInteger n
        start local 4 // java.math.BigInteger h
         0: .line 35
            aload 0 /* this */
            aload 1 /* curve */
            aload 2 /* G */
            aload 3 /* n */
            aload 4 /* h */
            aconst_null
            invokespecial org.bouncycastle.crypto.params.ECDomainParameters.<init>:(Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V
         1: .line 36
            return
        end local 4 // java.math.BigInteger h
        end local 3 // java.math.BigInteger n
        end local 2 // org.bouncycastle.math.ec.ECPoint G
        end local 1 // org.bouncycastle.math.ec.ECCurve curve
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/bouncycastle/crypto/params/ECDomainParameters;
            0    2     1  curve  Lorg/bouncycastle/math/ec/ECCurve;
            0    2     2      G  Lorg/bouncycastle/math/ec/ECPoint;
            0    2     3      n  Ljava/math/BigInteger;
            0    2     4      h  Ljava/math/BigInteger;
    MethodParameters:
       Name  Flags
      curve  
      G      
      n      
      h      

  public void <init>(org.bouncycastle.math.ec.ECCurve, org.bouncycastle.math.ec.ECPoint, java.math.BigInteger, java.math.BigInteger, byte[]);
    descriptor: (Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=6
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
        start local 1 // org.bouncycastle.math.ec.ECCurve curve
        start local 2 // org.bouncycastle.math.ec.ECPoint G
        start local 3 // java.math.BigInteger n
        start local 4 // java.math.BigInteger h
        start local 5 // byte[] seed
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 19
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.crypto.params.ECDomainParameters.hInv:Ljava/math/BigInteger;
         2: .line 45
            aload 1 /* curve */
            ifnonnull 4
         3: .line 47
            new java.lang.NullPointerException
            dup
            ldc "curve"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 49
      StackMap locals: org.bouncycastle.crypto.params.ECDomainParameters org.bouncycastle.math.ec.ECCurve org.bouncycastle.math.ec.ECPoint java.math.BigInteger java.math.BigInteger byte[]
      StackMap stack:
            aload 3 /* n */
            ifnonnull 6
         5: .line 51
            new java.lang.NullPointerException
            dup
            ldc "n"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 55
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* curve */
            putfield org.bouncycastle.crypto.params.ECDomainParameters.curve:Lorg/bouncycastle/math/ec/ECCurve;
         7: .line 56
            aload 0 /* this */
            aload 1 /* curve */
            aload 2 /* G */
            invokestatic org.bouncycastle.crypto.params.ECDomainParameters.validate:(Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;)Lorg/bouncycastle/math/ec/ECPoint;
            putfield org.bouncycastle.crypto.params.ECDomainParameters.G:Lorg/bouncycastle/math/ec/ECPoint;
         8: .line 57
            aload 0 /* this */
            aload 3 /* n */
            putfield org.bouncycastle.crypto.params.ECDomainParameters.n:Ljava/math/BigInteger;
         9: .line 58
            aload 0 /* this */
            aload 4 /* h */
            putfield org.bouncycastle.crypto.params.ECDomainParameters.h:Ljava/math/BigInteger;
        10: .line 59
            aload 0 /* this */
            aload 5 /* seed */
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            putfield org.bouncycastle.crypto.params.ECDomainParameters.seed:[B
        11: .line 60
            return
        end local 5 // byte[] seed
        end local 4 // java.math.BigInteger h
        end local 3 // java.math.BigInteger n
        end local 2 // org.bouncycastle.math.ec.ECPoint G
        end local 1 // org.bouncycastle.math.ec.ECCurve curve
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   12     0   this  Lorg/bouncycastle/crypto/params/ECDomainParameters;
            0   12     1  curve  Lorg/bouncycastle/math/ec/ECCurve;
            0   12     2      G  Lorg/bouncycastle/math/ec/ECPoint;
            0   12     3      n  Ljava/math/BigInteger;
            0   12     4      h  Ljava/math/BigInteger;
            0   12     5   seed  [B
    MethodParameters:
       Name  Flags
      curve  
      G      
      n      
      h      
      seed   

  public org.bouncycastle.math.ec.ECCurve getCurve();
    descriptor: ()Lorg/bouncycastle/math/ec/ECCurve;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
         0: .line 64
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.curve:Lorg/bouncycastle/math/ec/ECCurve;
            areturn
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/params/ECDomainParameters;

  public org.bouncycastle.math.ec.ECPoint getG();
    descriptor: ()Lorg/bouncycastle/math/ec/ECPoint;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
         0: .line 69
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.G:Lorg/bouncycastle/math/ec/ECPoint;
            areturn
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/params/ECDomainParameters;

  public java.math.BigInteger getN();
    descriptor: ()Ljava/math/BigInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
         0: .line 74
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.n:Ljava/math/BigInteger;
            areturn
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/params/ECDomainParameters;

  public java.math.BigInteger getH();
    descriptor: ()Ljava/math/BigInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
         0: .line 79
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.h:Ljava/math/BigInteger;
            areturn
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/params/ECDomainParameters;

  public synchronized java.math.BigInteger getHInv();
    descriptor: ()Ljava/math/BigInteger;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
         0: .line 84
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.hInv:Ljava/math/BigInteger;
            ifnonnull 2
         1: .line 86
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.h:Ljava/math/BigInteger;
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.n:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.modInverse:(Ljava/math/BigInteger;)Ljava/math/BigInteger;
            putfield org.bouncycastle.crypto.params.ECDomainParameters.hInv:Ljava/math/BigInteger;
         2: .line 88
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.hInv:Ljava/math/BigInteger;
            areturn
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/crypto/params/ECDomainParameters;

  public byte[] getSeed();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
         0: .line 93
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.seed:[B
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            areturn
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/params/ECDomainParameters;

  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.crypto.params.ECDomainParameters this
        start local 1 // java.lang.Object obj
         0: .line 99
            aload 0 /* this */
            aload 1 /* obj */
            if_acmpne 2
         1: .line 101
            iconst_1
            ireturn
         2: .line 104
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            instanceof org.bouncycastle.crypto.params.ECDomainParameters
            ifeq 6
         3: .line 106
            aload 1 /* obj */
            checkcast org.bouncycastle.crypto.params.ECDomainParameters
            astore 2 /* other */
        start local 2 // org.bouncycastle.crypto.params.ECDomainParameters other
         4: .line 108
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.curve:Lorg/bouncycastle/math/ec/ECCurve;
            aload 2 /* other */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.curve:Lorg/bouncycastle/math/ec/ECCurve;
            invokevirtual org.bouncycastle.math.ec.ECCurve.equals:(Lorg/bouncycastle/math/ec/ECCurve;)Z
            ifeq 5
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.G:Lorg/bouncycastle/math/ec/ECPoint;
            aload 2 /* other */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.G:Lorg/bouncycastle/math/ec/ECPoint;
            invokevirtual org.bouncycastle.math.ec.ECPoint.equals:(Lorg/bouncycastle/math/ec/ECPoint;)Z
            ifeq 5
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.n:Ljava/math/BigInteger;
            aload 2 /* other */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.n:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifeq 5
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.h:Ljava/math/BigInteger;
            aload 2 /* other */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.h:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.equals:(Ljava/lang/Object;)Z
            ifeq 5
            iconst_1
            ireturn
      StackMap locals: org.bouncycastle.crypto.params.ECDomainParameters
      StackMap stack:
         5: iconst_0
            ireturn
        end local 2 // org.bouncycastle.crypto.params.ECDomainParameters other
         6: .line 111
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 1 // java.lang.Object obj
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lorg/bouncycastle/crypto/params/ECDomainParameters;
            0    7     1    obj  Ljava/lang/Object;
            4    6     2  other  Lorg/bouncycastle/crypto/params/ECDomainParameters;
    MethodParameters:
      Name  Flags
      obj   

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
         0: .line 116
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.curve:Lorg/bouncycastle/math/ec/ECCurve;
            invokevirtual org.bouncycastle.math.ec.ECCurve.hashCode:()I
            istore 1 /* hc */
        start local 1 // int hc
         1: .line 117
            iload 1 /* hc */
            bipush 37
            imul
            istore 1 /* hc */
         2: .line 118
            iload 1 /* hc */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.G:Lorg/bouncycastle/math/ec/ECPoint;
            invokevirtual org.bouncycastle.math.ec.ECPoint.hashCode:()I
            ixor
            istore 1 /* hc */
         3: .line 119
            iload 1 /* hc */
            bipush 37
            imul
            istore 1 /* hc */
         4: .line 120
            iload 1 /* hc */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.n:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.hashCode:()I
            ixor
            istore 1 /* hc */
         5: .line 121
            iload 1 /* hc */
            bipush 37
            imul
            istore 1 /* hc */
         6: .line 122
            iload 1 /* hc */
            aload 0 /* this */
            getfield org.bouncycastle.crypto.params.ECDomainParameters.h:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.hashCode:()I
            ixor
            istore 1 /* hc */
         7: .line 123
            iload 1 /* hc */
            ireturn
        end local 1 // int hc
        end local 0 // org.bouncycastle.crypto.params.ECDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/bouncycastle/crypto/params/ECDomainParameters;
            1    8     1    hc  I

  static org.bouncycastle.math.ec.ECPoint validate(org.bouncycastle.math.ec.ECCurve, org.bouncycastle.math.ec.ECPoint);
    descriptor: (Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;)Lorg/bouncycastle/math/ec/ECPoint;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.math.ec.ECCurve c
        start local 1 // org.bouncycastle.math.ec.ECPoint q
         0: .line 128
            aload 1 /* q */
            ifnonnull 2
         1: .line 130
            new java.lang.IllegalArgumentException
            dup
            ldc "Point has null value"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 133
      StackMap locals:
      StackMap stack:
            aload 0 /* c */
            aload 1 /* q */
            invokestatic org.bouncycastle.math.ec.ECAlgorithms.importPoint:(Lorg/bouncycastle/math/ec/ECCurve;Lorg/bouncycastle/math/ec/ECPoint;)Lorg/bouncycastle/math/ec/ECPoint;
            invokevirtual org.bouncycastle.math.ec.ECPoint.normalize:()Lorg/bouncycastle/math/ec/ECPoint;
            astore 1 /* q */
         3: .line 135
            aload 1 /* q */
            invokevirtual org.bouncycastle.math.ec.ECPoint.isInfinity:()Z
            ifeq 5
         4: .line 137
            new java.lang.IllegalArgumentException
            dup
            ldc "Point at infinity"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 140
      StackMap locals:
      StackMap stack:
            aload 1 /* q */
            invokevirtual org.bouncycastle.math.ec.ECPoint.isValid:()Z
            ifne 7
         6: .line 142
            new java.lang.IllegalArgumentException
            dup
            ldc "Point not on curve"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 145
      StackMap locals:
      StackMap stack:
            aload 1 /* q */
            areturn
        end local 1 // org.bouncycastle.math.ec.ECPoint q
        end local 0 // org.bouncycastle.math.ec.ECCurve c
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0     c  Lorg/bouncycastle/math/ec/ECCurve;
            0    8     1     q  Lorg/bouncycastle/math/ec/ECPoint;
    MethodParameters:
      Name  Flags
      c     
      q     
}
SourceFile: "ECDomainParameters.java"