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.spec.IEKeySpec implements java.security.spec.KeySpec, org.bouncycastle.jce.interfaces.IESKey
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jce.spec.IEKeySpec
  super_class: java.lang.Object
{
  private java.security.PublicKey pubKey;
    descriptor: Ljava/security/PublicKey;
    flags: (0x0002) ACC_PRIVATE

  private java.security.PrivateKey privKey;
    descriptor: Ljava/security/PrivateKey;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.security.PrivateKey, java.security.PublicKey);
    descriptor: (Ljava/security/PrivateKey;Ljava/security/PublicKey;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.jce.spec.IEKeySpec this
        start local 1 // java.security.PrivateKey privKey
        start local 2 // java.security.PublicKey pubKey
         0: .line 23
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 27
            aload 0 /* this */
            aload 1 /* privKey */
            putfield org.bouncycastle.jce.spec.IEKeySpec.privKey:Ljava/security/PrivateKey;
         2: .line 28
            aload 0 /* this */
            aload 2 /* pubKey */
            putfield org.bouncycastle.jce.spec.IEKeySpec.pubKey:Ljava/security/PublicKey;
         3: .line 29
            return
        end local 2 // java.security.PublicKey pubKey
        end local 1 // java.security.PrivateKey privKey
        end local 0 // org.bouncycastle.jce.spec.IEKeySpec this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lorg/bouncycastle/jce/spec/IEKeySpec;
            0    4     1  privKey  Ljava/security/PrivateKey;
            0    4     2   pubKey  Ljava/security/PublicKey;
    MethodParameters:
         Name  Flags
      privKey  
      pubKey   

  public java.security.PublicKey getPublic();
    descriptor: ()Ljava/security/PublicKey;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.spec.IEKeySpec this
         0: .line 36
            aload 0 /* this */
            getfield org.bouncycastle.jce.spec.IEKeySpec.pubKey:Ljava/security/PublicKey;
            areturn
        end local 0 // org.bouncycastle.jce.spec.IEKeySpec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/spec/IEKeySpec;

  public java.security.PrivateKey getPrivate();
    descriptor: ()Ljava/security/PrivateKey;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.spec.IEKeySpec this
         0: .line 44
            aload 0 /* this */
            getfield org.bouncycastle.jce.spec.IEKeySpec.privKey:Ljava/security/PrivateKey;
            areturn
        end local 0 // org.bouncycastle.jce.spec.IEKeySpec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/spec/IEKeySpec;

  public java.lang.String getAlgorithm();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.spec.IEKeySpec this
         0: .line 52
            ldc "IES"
            areturn
        end local 0 // org.bouncycastle.jce.spec.IEKeySpec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/spec/IEKeySpec;

  public java.lang.String getFormat();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.spec.IEKeySpec this
         0: .line 60
            aconst_null
            areturn
        end local 0 // org.bouncycastle.jce.spec.IEKeySpec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/spec/IEKeySpec;

  public byte[] getEncoded();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.spec.IEKeySpec this
         0: .line 68
            aconst_null
            areturn
        end local 0 // org.bouncycastle.jce.spec.IEKeySpec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/spec/IEKeySpec;
}
SourceFile: "IEKeySpec.java"