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.Pfx extends org.bouncycastle.asn1.ASN1Encodable implements org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.pkcs.Pfx
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  private org.bouncycastle.asn1.pkcs.ContentInfo contentInfo;
    descriptor: Lorg/bouncycastle/asn1/pkcs/ContentInfo;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.pkcs.MacData macData;
    descriptor: Lorg/bouncycastle/asn1/pkcs/MacData;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.bouncycastle.asn1.pkcs.Pfx this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 22
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 20
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.asn1.pkcs.Pfx.macData:Lorg/bouncycastle/asn1/pkcs/MacData;
         2: .line 25
            aload 1 /* seq */
            iconst_0
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.DERInteger
            invokevirtual org.bouncycastle.asn1.DERInteger.getValue:()Ljava/math/BigInteger;
            astore 2 /* version */
        start local 2 // java.math.BigInteger version
         3: .line 26
            aload 2 /* version */
            invokevirtual java.math.BigInteger.intValue:()I
            iconst_3
            if_icmpeq 5
         4: .line 28
            new java.lang.IllegalArgumentException
            dup
            ldc "wrong version for PFX PDU"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 31
      StackMap locals: org.bouncycastle.asn1.pkcs.Pfx org.bouncycastle.asn1.ASN1Sequence java.math.BigInteger
      StackMap stack:
            aload 0 /* this */
            aload 1 /* seq */
            iconst_1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.pkcs.ContentInfo.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/pkcs/ContentInfo;
            putfield org.bouncycastle.asn1.pkcs.Pfx.contentInfo:Lorg/bouncycastle/asn1/pkcs/ContentInfo;
         6: .line 33
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            iconst_3
            if_icmpne 8
         7: .line 35
            aload 0 /* this */
            aload 1 /* seq */
            iconst_2
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.pkcs.MacData.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/pkcs/MacData;
            putfield org.bouncycastle.asn1.pkcs.Pfx.macData:Lorg/bouncycastle/asn1/pkcs/MacData;
         8: .line 37
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.math.BigInteger version
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.pkcs.Pfx this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lorg/bouncycastle/asn1/pkcs/Pfx;
            0    9     1      seq  Lorg/bouncycastle/asn1/ASN1Sequence;
            3    9     2  version  Ljava/math/BigInteger;
    MethodParameters:
      Name  Flags
      seq   

  public void <init>(org.bouncycastle.asn1.pkcs.ContentInfo, org.bouncycastle.asn1.pkcs.MacData);
    descriptor: (Lorg/bouncycastle/asn1/pkcs/ContentInfo;Lorg/bouncycastle/asn1/pkcs/MacData;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.asn1.pkcs.Pfx this
        start local 1 // org.bouncycastle.asn1.pkcs.ContentInfo contentInfo
        start local 2 // org.bouncycastle.asn1.pkcs.MacData macData
         0: .line 39
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 20
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.asn1.pkcs.Pfx.macData:Lorg/bouncycastle/asn1/pkcs/MacData;
         2: .line 43
            aload 0 /* this */
            aload 1 /* contentInfo */
            putfield org.bouncycastle.asn1.pkcs.Pfx.contentInfo:Lorg/bouncycastle/asn1/pkcs/ContentInfo;
         3: .line 44
            aload 0 /* this */
            aload 2 /* macData */
            putfield org.bouncycastle.asn1.pkcs.Pfx.macData:Lorg/bouncycastle/asn1/pkcs/MacData;
         4: .line 45
            return
        end local 2 // org.bouncycastle.asn1.pkcs.MacData macData
        end local 1 // org.bouncycastle.asn1.pkcs.ContentInfo contentInfo
        end local 0 // org.bouncycastle.asn1.pkcs.Pfx this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Lorg/bouncycastle/asn1/pkcs/Pfx;
            0    5     1  contentInfo  Lorg/bouncycastle/asn1/pkcs/ContentInfo;
            0    5     2      macData  Lorg/bouncycastle/asn1/pkcs/MacData;
    MethodParameters:
             Name  Flags
      contentInfo  
      macData      

  public org.bouncycastle.asn1.pkcs.ContentInfo getAuthSafe();
    descriptor: ()Lorg/bouncycastle/asn1/pkcs/ContentInfo;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.pkcs.Pfx this
         0: .line 49
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.Pfx.contentInfo:Lorg/bouncycastle/asn1/pkcs/ContentInfo;
            areturn
        end local 0 // org.bouncycastle.asn1.pkcs.Pfx this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/pkcs/Pfx;

  public org.bouncycastle.asn1.pkcs.MacData getMacData();
    descriptor: ()Lorg/bouncycastle/asn1/pkcs/MacData;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.pkcs.Pfx this
         0: .line 54
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.Pfx.macData:Lorg/bouncycastle/asn1/pkcs/MacData;
            areturn
        end local 0 // org.bouncycastle.asn1.pkcs.Pfx this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/pkcs/Pfx;

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.pkcs.Pfx this
         0: .line 59
            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 61
            aload 1 /* v */
            new org.bouncycastle.asn1.DERInteger
            dup
            iconst_3
            invokespecial org.bouncycastle.asn1.DERInteger.<init>:(I)V
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         2: .line 62
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.Pfx.contentInfo:Lorg/bouncycastle/asn1/pkcs/ContentInfo;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         3: .line 64
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.Pfx.macData:Lorg/bouncycastle/asn1/pkcs/MacData;
            ifnull 5
         4: .line 66
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.pkcs.Pfx.macData:Lorg/bouncycastle/asn1/pkcs/MacData;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         5: .line 69
      StackMap locals: org.bouncycastle.asn1.ASN1EncodableVector
      StackMap stack:
            new org.bouncycastle.asn1.BERSequence
            dup
            aload 1 /* v */
            invokespecial org.bouncycastle.asn1.BERSequence.<init>:(Lorg/bouncycastle/asn1/ASN1EncodableVector;)V
            areturn
        end local 1 // org.bouncycastle.asn1.ASN1EncodableVector v
        end local 0 // org.bouncycastle.asn1.pkcs.Pfx this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/bouncycastle/asn1/pkcs/Pfx;
            1    6     1     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;
}
SourceFile: "Pfx.java"