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.asn1.pkcs.PBKDF2Params extends org.bouncycastle.asn1.ASN1Encodable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.pkcs.PBKDF2Params
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  org.bouncycastle.asn1.ASN1OctetString octStr;
    descriptor: Lorg/bouncycastle/asn1/ASN1OctetString;
    flags: (0x0000) 

  org.bouncycastle.asn1.DERInteger iterationCount;
    descriptor: Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0000) 

  org.bouncycastle.asn1.DERInteger keyLength;
    descriptor: Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0000) 

  public static org.bouncycastle.asn1.pkcs.PBKDF2Params getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object obj
         0: .line 25
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.pkcs.PBKDF2Params
            ifeq 2
         1: .line 27
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.pkcs.PBKDF2Params
            areturn
         2: .line 30
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 32
            new org.bouncycastle.asn1.pkcs.PBKDF2Params
            dup
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.pkcs.PBKDF2Params.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 35
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unknown object in factory: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* obj */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.lang.Object obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public void <init>(byte[], int);
    descriptor: ([BI)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
        start local 1 // byte[] salt
        start local 2 // int iterationCount
         0: .line 38
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 42
            aload 0 /* this */
            new org.bouncycastle.asn1.DEROctetString
            dup
            aload 1 /* salt */
            invokespecial org.bouncycastle.asn1.DEROctetString.<init>:([B)V
            putfield org.bouncycastle.asn1.pkcs.PBKDF2Params.octStr:Lorg/bouncycastle/asn1/ASN1OctetString;
         2: .line 43
            aload 0 /* this */
            new org.bouncycastle.asn1.DERInteger
            dup
            iload 2 /* iterationCount */
            invokespecial org.bouncycastle.asn1.DERInteger.<init>:(I)V
            putfield org.bouncycastle.asn1.pkcs.PBKDF2Params.iterationCount:Lorg/bouncycastle/asn1/DERInteger;
         3: .line 44
            return
        end local 2 // int iterationCount
        end local 1 // byte[] salt
        end local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    4     0            this  Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;
            0    4     1            salt  [B
            0    4     2  iterationCount  I
    MethodParameters:
                Name  Flags
      salt            
      iterationCount  

  public void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 46
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 49
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjects:()Ljava/util/Enumeration;
            astore 2 /* e */
        start local 2 // java.util.Enumeration e
         2: .line 51
            aload 0 /* this */
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            checkcast org.bouncycastle.asn1.ASN1OctetString
            putfield org.bouncycastle.asn1.pkcs.PBKDF2Params.octStr:Lorg/bouncycastle/asn1/ASN1OctetString;
         3: .line 52
            aload 0 /* this */
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            checkcast org.bouncycastle.asn1.DERInteger
            putfield org.bouncycastle.asn1.pkcs.PBKDF2Params.iterationCount:Lorg/bouncycastle/asn1/DERInteger;
         4: .line 54
            aload 2 /* e */
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ifeq 7
         5: .line 56
            aload 0 /* this */
            aload 2 /* e */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            checkcast org.bouncycastle.asn1.DERInteger
            putfield org.bouncycastle.asn1.pkcs.PBKDF2Params.keyLength:Lorg/bouncycastle/asn1/DERInteger;
         6: .line 57
            goto 8
         7: .line 60
      StackMap locals: org.bouncycastle.asn1.pkcs.PBKDF2Params org.bouncycastle.asn1.ASN1Sequence java.util.Enumeration
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.asn1.pkcs.PBKDF2Params.keyLength:Lorg/bouncycastle/asn1/DERInteger;
         8: .line 62
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.util.Enumeration e
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;
            0    9     1   seq  Lorg/bouncycastle/asn1/ASN1Sequence;
            2    9     2     e  Ljava/util/Enumeration;
    MethodParameters:
      Name  Flags
      seq   

  public byte[] getSalt();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
         0: .line 66
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.octStr:Lorg/bouncycastle/asn1/ASN1OctetString;
            invokevirtual org.bouncycastle.asn1.ASN1OctetString.getOctets:()[B
            areturn
        end local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;

  public java.math.BigInteger getIterationCount();
    descriptor: ()Ljava/math/BigInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
         0: .line 71
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.iterationCount:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.DERInteger.getValue:()Ljava/math/BigInteger;
            areturn
        end local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;

  public java.math.BigInteger getKeyLength();
    descriptor: ()Ljava/math/BigInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
         0: .line 76
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.keyLength:Lorg/bouncycastle/asn1/DERInteger;
            ifnull 2
         1: .line 78
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.keyLength:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.DERInteger.getValue:()Ljava/math/BigInteger;
            areturn
         2: .line 81
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
         0: .line 86
            new org.bouncycastle.asn1.ASN1EncodableVector
            dup
            invokespecial org.bouncycastle.asn1.ASN1EncodableVector.<init>:()V
            astore 1 /* v */
        start local 1 // org.bouncycastle.asn1.ASN1EncodableVector v
         1: .line 88
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.octStr:Lorg/bouncycastle/asn1/ASN1OctetString;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         2: .line 89
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.iterationCount:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         3: .line 91
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.keyLength:Lorg/bouncycastle/asn1/DERInteger;
            ifnull 5
         4: .line 93
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.PBKDF2Params.keyLength:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         5: .line 96
      StackMap locals: org.bouncycastle.asn1.ASN1EncodableVector
      StackMap stack:
            new org.bouncycastle.asn1.DERSequence
            dup
            aload 1 /* v */
            invokespecial org.bouncycastle.asn1.DERSequence.<init>:(Lorg/bouncycastle/asn1/ASN1EncodableVector;)V
            areturn
        end local 1 // org.bouncycastle.asn1.ASN1EncodableVector v
        end local 0 // org.bouncycastle.asn1.pkcs.PBKDF2Params this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/bouncycastle/asn1/pkcs/PBKDF2Params;
            1    6     1     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;
}
SourceFile: "PBKDF2Params.java"