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.JDKECDSAAlgParameters extends java.security.AlgorithmParametersSpi
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.bouncycastle.jce.provider.JDKECDSAAlgParameters
  super_class: java.security.AlgorithmParametersSpi
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.provider.JDKECDSAAlgParameters this
         0: .line 10
            aload 0 /* this */
            invokespecial java.security.AlgorithmParametersSpi.<init>:()V
            return
        end local 0 // org.bouncycastle.jce.provider.JDKECDSAAlgParameters this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/provider/JDKECDSAAlgParameters;
}
SourceFile: "JDKECDSAAlgParameters.java"
NestMembers:
  org.bouncycastle.jce.provider.JDKECDSAAlgParameters$SigAlgParameters
InnerClasses:
  public SigAlgParameters = org.bouncycastle.jce.provider.JDKECDSAAlgParameters$SigAlgParameters of org.bouncycastle.jce.provider.JDKECDSAAlgParameters