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 abstract class org.bouncycastle.jce.provider.JDKKeyPairGenerator extends java.security.KeyPairGenerator
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.bouncycastle.jce.provider.JDKKeyPairGenerator
  super_class: java.security.KeyPairGenerator
{
  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.JDKKeyPairGenerator this
        start local 1 // java.lang.String algorithmName
         0: .line 55
            aload 0 /* this */
            aload 1 /* algorithmName */
            invokespecial java.security.KeyPairGenerator.<init>:(Ljava/lang/String;)V
         1: .line 56
            return
        end local 1 // java.lang.String algorithmName
        end local 0 // org.bouncycastle.jce.provider.JDKKeyPairGenerator this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    2     0           this  Lorg/bouncycastle/jce/provider/JDKKeyPairGenerator;
            0    2     1  algorithmName  Ljava/lang/String;
    MethodParameters:
               Name  Flags
      algorithmName  

  public abstract void initialize(int, java.security.SecureRandom);
    descriptor: (ILjava/security/SecureRandom;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      strength  
      random    

  public abstract java.security.KeyPair generateKeyPair();
    descriptor: ()Ljava/security/KeyPair;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "JDKKeyPairGenerator.java"
NestMembers:
  org.bouncycastle.jce.provider.JDKKeyPairGenerator$DH  org.bouncycastle.jce.provider.JDKKeyPairGenerator$DSA  org.bouncycastle.jce.provider.JDKKeyPairGenerator$ElGamal  org.bouncycastle.jce.provider.JDKKeyPairGenerator$GOST3410  org.bouncycastle.jce.provider.JDKKeyPairGenerator$RSA
InnerClasses:
  public DH = org.bouncycastle.jce.provider.JDKKeyPairGenerator$DH of org.bouncycastle.jce.provider.JDKKeyPairGenerator
  public DSA = org.bouncycastle.jce.provider.JDKKeyPairGenerator$DSA of org.bouncycastle.jce.provider.JDKKeyPairGenerator
  public ElGamal = org.bouncycastle.jce.provider.JDKKeyPairGenerator$ElGamal of org.bouncycastle.jce.provider.JDKKeyPairGenerator
  public GOST3410 = org.bouncycastle.jce.provider.JDKKeyPairGenerator$GOST3410 of org.bouncycastle.jce.provider.JDKKeyPairGenerator
  public RSA = org.bouncycastle.jce.provider.JDKKeyPairGenerator$RSA of org.bouncycastle.jce.provider.JDKKeyPairGenerator