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. 
class org.bouncycastle.crypto.encodings.PKCS1Encoding$1 implements java.security.PrivilegedAction
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.crypto.encodings.PKCS1Encoding$1
  super_class: java.lang.Object
{
  final org.bouncycastle.crypto.encodings.PKCS1Encoding this$0;
    descriptor: Lorg/bouncycastle/crypto/encodings/PKCS1Encoding;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.bouncycastle.crypto.encodings.PKCS1Encoding);
    descriptor: (Lorg/bouncycastle/crypto/encodings/PKCS1Encoding;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.crypto.encodings.PKCS1Encoding$1 this
         0: .line 55
            aload 0 /* this */
            aload 1
            putfield org.bouncycastle.crypto.encodings.PKCS1Encoding$1.this$0:Lorg/bouncycastle/crypto/encodings/PKCS1Encoding;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.crypto.encodings.PKCS1Encoding$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/encodings/PKCS1Encoding$1;
    MethodParameters:
        Name  Flags
      this$0  final

  public java.lang.Object run();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.encodings.PKCS1Encoding$1 this
         0: .line 59
            ldc "org.bouncycastle.pkcs1.strict"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.crypto.encodings.PKCS1Encoding$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/crypto/encodings/PKCS1Encoding$1;
}
SourceFile: "PKCS1Encoding.java"
EnclosingMethod: org.bouncycastle.crypto.encodings.PKCS1Encoding.useStrict:()Z
NestHost: org.bouncycastle.crypto.encodings.PKCS1Encoding
InnerClasses:
  org.bouncycastle.crypto.encodings.PKCS1Encoding$1