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.jce.provider.JCESecretKeyFactory$PBEWithSHAAndTwofish extends org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEKeyFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEWithSHAAndTwofish
  super_class: org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEKeyFactory
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEWithSHAAndTwofish this
         0: .line 381
            aload 0 /* this */
            ldc "PBEwithSHAandTwofish-CBC"
            aconst_null
            iconst_1
            iconst_2
            iconst_1
            sipush 256
            sipush 128
            invokespecial org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEKeyFactory.<init>:(Ljava/lang/String;Lorg/bouncycastle/asn1/DERObjectIdentifier;ZIIII)V
         1: .line 382
            return
        end local 0 // org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEWithSHAAndTwofish this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/jce/provider/JCESecretKeyFactory$PBEWithSHAAndTwofish;
}
SourceFile: "JCESecretKeyFactory.java"
NestHost: org.bouncycastle.jce.provider.JCESecretKeyFactory
InnerClasses:
  public PBEKeyFactory = org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEKeyFactory of org.bouncycastle.jce.provider.JCESecretKeyFactory
  public PBEWithSHAAndTwofish = org.bouncycastle.jce.provider.JCESecretKeyFactory$PBEWithSHAAndTwofish of org.bouncycastle.jce.provider.JCESecretKeyFactory