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.asn1.x9.DHDomainParameters extends org.bouncycastle.asn1.ASN1Encodable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.x9.DHDomainParameters
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  private org.bouncycastle.asn1.DERInteger p;
    descriptor: Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.DERInteger g;
    descriptor: Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.DERInteger q;
    descriptor: Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.DERInteger j;
    descriptor: Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.x9.DHValidationParms validationParms;
    descriptor: Lorg/bouncycastle/asn1/x9/DHValidationParms;
    flags: (0x0002) ACC_PRIVATE

  public static org.bouncycastle.asn1.x9.DHDomainParameters getInstance(org.bouncycastle.asn1.ASN1TaggedObject, boolean);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/x9/DHDomainParameters;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.ASN1TaggedObject obj
        start local 1 // boolean explicit
         0: .line 22
            aload 0 /* obj */
            iload 1 /* explicit */
            invokestatic org.bouncycastle.asn1.ASN1Sequence.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/ASN1Sequence;
            invokestatic org.bouncycastle.asn1.x9.DHDomainParameters.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/x9/DHDomainParameters;
            areturn
        end local 1 // boolean explicit
        end local 0 // org.bouncycastle.asn1.ASN1TaggedObject obj
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0       obj  Lorg/bouncycastle/asn1/ASN1TaggedObject;
            0    1     1  explicit  Z
    MethodParameters:
          Name  Flags
      obj       
      explicit  

  public static org.bouncycastle.asn1.x9.DHDomainParameters getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/x9/DHDomainParameters;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object obj
         0: .line 27
            aload 0 /* obj */
            ifnull 1
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.x9.DHDomainParameters
            ifeq 2
         1: .line 29
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.x9.DHDomainParameters
            areturn
         2: .line 32
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 34
            new org.bouncycastle.asn1.x9.DHDomainParameters
            dup
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.x9.DHDomainParameters.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 37
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid DHDomainParameters: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         5: .line 38
            aload 0 /* obj */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         6: .line 37
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.lang.Object obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public void <init>(org.bouncycastle.asn1.DERInteger, org.bouncycastle.asn1.DERInteger, org.bouncycastle.asn1.DERInteger, org.bouncycastle.asn1.DERInteger, org.bouncycastle.asn1.x9.DHValidationParms);
    descriptor: (Lorg/bouncycastle/asn1/DERInteger;Lorg/bouncycastle/asn1/DERInteger;Lorg/bouncycastle/asn1/DERInteger;Lorg/bouncycastle/asn1/DERInteger;Lorg/bouncycastle/asn1/x9/DHValidationParms;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=6
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
        start local 1 // org.bouncycastle.asn1.DERInteger p
        start local 2 // org.bouncycastle.asn1.DERInteger g
        start local 3 // org.bouncycastle.asn1.DERInteger q
        start local 4 // org.bouncycastle.asn1.DERInteger j
        start local 5 // org.bouncycastle.asn1.x9.DHValidationParms validationParms
         0: .line 41
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 44
            aload 1 /* p */
            ifnonnull 3
         2: .line 46
            new java.lang.IllegalArgumentException
            dup
            ldc "'p' cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 48
      StackMap locals: org.bouncycastle.asn1.x9.DHDomainParameters org.bouncycastle.asn1.DERInteger org.bouncycastle.asn1.DERInteger org.bouncycastle.asn1.DERInteger org.bouncycastle.asn1.DERInteger org.bouncycastle.asn1.x9.DHValidationParms
      StackMap stack:
            aload 2 /* g */
            ifnonnull 5
         4: .line 50
            new java.lang.IllegalArgumentException
            dup
            ldc "'g' cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 52
      StackMap locals:
      StackMap stack:
            aload 3 /* q */
            ifnonnull 7
         6: .line 54
            new java.lang.IllegalArgumentException
            dup
            ldc "'q' cannot be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 57
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* p */
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.p:Lorg/bouncycastle/asn1/DERInteger;
         8: .line 58
            aload 0 /* this */
            aload 2 /* g */
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.g:Lorg/bouncycastle/asn1/DERInteger;
         9: .line 59
            aload 0 /* this */
            aload 3 /* q */
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.q:Lorg/bouncycastle/asn1/DERInteger;
        10: .line 60
            aload 0 /* this */
            aload 4 /* j */
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.j:Lorg/bouncycastle/asn1/DERInteger;
        11: .line 61
            aload 0 /* this */
            aload 5 /* validationParms */
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.validationParms:Lorg/bouncycastle/asn1/x9/DHValidationParms;
        12: .line 62
            return
        end local 5 // org.bouncycastle.asn1.x9.DHValidationParms validationParms
        end local 4 // org.bouncycastle.asn1.DERInteger j
        end local 3 // org.bouncycastle.asn1.DERInteger q
        end local 2 // org.bouncycastle.asn1.DERInteger g
        end local 1 // org.bouncycastle.asn1.DERInteger p
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   13     0             this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;
            0   13     1                p  Lorg/bouncycastle/asn1/DERInteger;
            0   13     2                g  Lorg/bouncycastle/asn1/DERInteger;
            0   13     3                q  Lorg/bouncycastle/asn1/DERInteger;
            0   13     4                j  Lorg/bouncycastle/asn1/DERInteger;
            0   13     5  validationParms  Lorg/bouncycastle/asn1/x9/DHValidationParms;
    MethodParameters:
                 Name  Flags
      p                
      g                
      q                
      j                
      validationParms  

  private void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 64
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 66
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            iconst_3
            if_icmplt 2
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            iconst_5
            if_icmple 3
         2: .line 68
      StackMap locals: org.bouncycastle.asn1.x9.DHDomainParameters org.bouncycastle.asn1.ASN1Sequence
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Bad sequence size: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 71
      StackMap locals:
      StackMap stack:
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjects:()Ljava/util/Enumeration;
            astore 2 /* e */
        start local 2 // java.util.Enumeration e
         4: .line 72
            aload 0 /* this */
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            invokestatic org.bouncycastle.asn1.DERInteger.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERInteger;
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.p:Lorg/bouncycastle/asn1/DERInteger;
         5: .line 73
            aload 0 /* this */
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            invokestatic org.bouncycastle.asn1.DERInteger.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERInteger;
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.g:Lorg/bouncycastle/asn1/DERInteger;
         6: .line 74
            aload 0 /* this */
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            invokestatic org.bouncycastle.asn1.DERInteger.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERInteger;
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.q:Lorg/bouncycastle/asn1/DERInteger;
         7: .line 76
            aload 2 /* e */
            invokestatic org.bouncycastle.asn1.x9.DHDomainParameters.getNext:(Ljava/util/Enumeration;)Lorg/bouncycastle/asn1/DEREncodable;
            astore 3 /* next */
        start local 3 // org.bouncycastle.asn1.DEREncodable next
         8: .line 78
            aload 3 /* next */
            ifnull 11
            aload 3 /* next */
            instanceof org.bouncycastle.asn1.DERInteger
            ifeq 11
         9: .line 80
            aload 0 /* this */
            aload 3 /* next */
            invokestatic org.bouncycastle.asn1.DERInteger.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERInteger;
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.j:Lorg/bouncycastle/asn1/DERInteger;
        10: .line 81
            aload 2 /* e */
            invokestatic org.bouncycastle.asn1.x9.DHDomainParameters.getNext:(Ljava/util/Enumeration;)Lorg/bouncycastle/asn1/DEREncodable;
            astore 3 /* next */
        11: .line 84
      StackMap locals: java.util.Enumeration org.bouncycastle.asn1.DEREncodable
      StackMap stack:
            aload 3 /* next */
            ifnull 13
        12: .line 86
            aload 0 /* this */
            aload 3 /* next */
            invokeinterface org.bouncycastle.asn1.DEREncodable.getDERObject:()Lorg/bouncycastle/asn1/DERObject;
            invokestatic org.bouncycastle.asn1.x9.DHValidationParms.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/x9/DHValidationParms;
            putfield org.bouncycastle.asn1.x9.DHDomainParameters.validationParms:Lorg/bouncycastle/asn1/x9/DHValidationParms;
        13: .line 88
      StackMap locals:
      StackMap stack:
            return
        end local 3 // org.bouncycastle.asn1.DEREncodable next
        end local 2 // java.util.Enumeration e
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   14     0  this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;
            0   14     1   seq  Lorg/bouncycastle/asn1/ASN1Sequence;
            4   14     2     e  Ljava/util/Enumeration;
            8   14     3  next  Lorg/bouncycastle/asn1/DEREncodable;
    MethodParameters:
      Name  Flags
      seq   

  private static org.bouncycastle.asn1.DEREncodable getNext(java.util.Enumeration);
    descriptor: (Ljava/util/Enumeration;)Lorg/bouncycastle/asn1/DEREncodable;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.Enumeration e
         0: .line 92
            aload 0 /* e */
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ifeq 1
            aload 0 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            checkcast org.bouncycastle.asn1.DEREncodable
            goto 2
      StackMap locals:
      StackMap stack:
         1: aconst_null
      StackMap locals:
      StackMap stack: org.bouncycastle.asn1.DEREncodable
         2: areturn
        end local 0 // java.util.Enumeration e
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0     e  Ljava/util/Enumeration;
    MethodParameters:
      Name  Flags
      e     

  public org.bouncycastle.asn1.DERInteger getP();
    descriptor: ()Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
         0: .line 97
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.p:Lorg/bouncycastle/asn1/DERInteger;
            areturn
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;

  public org.bouncycastle.asn1.DERInteger getG();
    descriptor: ()Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
         0: .line 102
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.g:Lorg/bouncycastle/asn1/DERInteger;
            areturn
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;

  public org.bouncycastle.asn1.DERInteger getQ();
    descriptor: ()Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
         0: .line 107
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.q:Lorg/bouncycastle/asn1/DERInteger;
            areturn
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;

  public org.bouncycastle.asn1.DERInteger getJ();
    descriptor: ()Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
         0: .line 112
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.j:Lorg/bouncycastle/asn1/DERInteger;
            areturn
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;

  public org.bouncycastle.asn1.x9.DHValidationParms getValidationParms();
    descriptor: ()Lorg/bouncycastle/asn1/x9/DHValidationParms;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
         0: .line 117
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.validationParms:Lorg/bouncycastle/asn1/x9/DHValidationParms;
            areturn
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
         0: .line 122
            new org.bouncycastle.asn1.ASN1EncodableVector
            dup
            invokespecial org.bouncycastle.asn1.ASN1EncodableVector.<init>:()V
            astore 1 /* v */
        start local 1 // org.bouncycastle.asn1.ASN1EncodableVector v
         1: .line 123
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.p:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         2: .line 124
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.g:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         3: .line 125
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.q:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         4: .line 127
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.j:Lorg/bouncycastle/asn1/DERInteger;
            ifnull 6
         5: .line 129
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.j:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         6: .line 132
      StackMap locals: org.bouncycastle.asn1.ASN1EncodableVector
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.validationParms:Lorg/bouncycastle/asn1/x9/DHValidationParms;
            ifnull 8
         7: .line 134
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x9.DHDomainParameters.validationParms:Lorg/bouncycastle/asn1/x9/DHValidationParms;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         8: .line 137
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.asn1.DERSequence
            dup
            aload 1 /* v */
            invokespecial org.bouncycastle.asn1.DERSequence.<init>:(Lorg/bouncycastle/asn1/ASN1EncodableVector;)V
            areturn
        end local 1 // org.bouncycastle.asn1.ASN1EncodableVector v
        end local 0 // org.bouncycastle.asn1.x9.DHDomainParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/asn1/x9/DHDomainParameters;
            1    9     1     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;
}
SourceFile: "DHDomainParameters.java"