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.cmp.PKIBody extends org.bouncycastle.asn1.ASN1Encodable implements org.bouncycastle.asn1.ASN1Choice
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.cmp.PKIBody
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  public static final int TYPE_INIT_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  public static final int TYPE_INIT_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  public static final int TYPE_CERT_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  public static final int TYPE_CERT_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 3

  public static final int TYPE_P10_CERT_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 4

  public static final int TYPE_POPO_CHALL;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 5

  public static final int TYPE_POPO_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 6

  public static final int TYPE_KEY_UPDATE_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 7

  public static final int TYPE_KEY_UPDATE_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 8

  public static final int TYPE_KEY_RECOVERY_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 9

  public static final int TYPE_KEY_RECOVERY_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 10

  public static final int TYPE_REVOCATION_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 11

  public static final int TYPE_REVOCATION_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 12

  public static final int TYPE_CROSS_CERT_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 13

  public static final int TYPE_CROSS_CERT_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 14

  public static final int TYPE_CA_KEY_UPDATE_ANN;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 15

  public static final int TYPE_CERT_ANN;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 16

  public static final int TYPE_REVOCATION_ANN;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 17

  public static final int TYPE_CRL_ANN;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 18

  public static final int TYPE_CONFIRM;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 19

  public static final int TYPE_NESTED;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 20

  public static final int TYPE_GEN_MSG;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 21

  public static final int TYPE_GEN_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 22

  public static final int TYPE_ERROR;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 23

  public static final int TYPE_CERT_CONFIRM;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 24

  public static final int TYPE_POLL_REQ;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 25

  public static final int TYPE_POLL_REP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 26

  private int tagNo;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.ASN1Encodable body;
    descriptor: Lorg/bouncycastle/asn1/ASN1Encodable;
    flags: (0x0002) ACC_PRIVATE

  public static org.bouncycastle.asn1.cmp.PKIBody getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/PKIBody;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object o
         0: .line 48
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.cmp.PKIBody
            ifeq 2
         1: .line 50
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.cmp.PKIBody
            areturn
         2: .line 53
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.ASN1TaggedObject
            ifeq 4
         3: .line 55
            new org.bouncycastle.asn1.cmp.PKIBody
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.ASN1TaggedObject
            invokespecial org.bouncycastle.asn1.cmp.PKIBody.<init>:(Lorg/bouncycastle/asn1/ASN1TaggedObject;)V
            areturn
         4: .line 58
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid object: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* o */
            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 o
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  private void <init>(org.bouncycastle.asn1.ASN1TaggedObject);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cmp.PKIBody this
        start local 1 // org.bouncycastle.asn1.ASN1TaggedObject tagged
         0: .line 61
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 63
            aload 0 /* this */
            aload 1 /* tagged */
            invokevirtual org.bouncycastle.asn1.ASN1TaggedObject.getTagNo:()I
            putfield org.bouncycastle.asn1.cmp.PKIBody.tagNo:I
         2: .line 64
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cmp.PKIBody.tagNo:I
            aload 1 /* tagged */
            invokevirtual org.bouncycastle.asn1.ASN1TaggedObject.getObject:()Lorg/bouncycastle/asn1/DERObject;
            invokestatic org.bouncycastle.asn1.cmp.PKIBody.getBodyForType:(ILorg/bouncycastle/asn1/ASN1Encodable;)Lorg/bouncycastle/asn1/ASN1Encodable;
            putfield org.bouncycastle.asn1.cmp.PKIBody.body:Lorg/bouncycastle/asn1/ASN1Encodable;
         3: .line 65
            return
        end local 1 // org.bouncycastle.asn1.ASN1TaggedObject tagged
        end local 0 // org.bouncycastle.asn1.cmp.PKIBody this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lorg/bouncycastle/asn1/cmp/PKIBody;
            0    4     1  tagged  Lorg/bouncycastle/asn1/ASN1TaggedObject;
    MethodParameters:
        Name  Flags
      tagged  

  public void <init>(int, org.bouncycastle.asn1.ASN1Encodable);
    descriptor: (ILorg/bouncycastle/asn1/ASN1Encodable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.asn1.cmp.PKIBody this
        start local 1 // int type
        start local 2 // org.bouncycastle.asn1.ASN1Encodable content
         0: .line 72
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 76
            aload 0 /* this */
            iload 1 /* type */
            putfield org.bouncycastle.asn1.cmp.PKIBody.tagNo:I
         2: .line 77
            aload 0 /* this */
            iload 1 /* type */
            aload 2 /* content */
            invokestatic org.bouncycastle.asn1.cmp.PKIBody.getBodyForType:(ILorg/bouncycastle/asn1/ASN1Encodable;)Lorg/bouncycastle/asn1/ASN1Encodable;
            putfield org.bouncycastle.asn1.cmp.PKIBody.body:Lorg/bouncycastle/asn1/ASN1Encodable;
         3: .line 78
            return
        end local 2 // org.bouncycastle.asn1.ASN1Encodable content
        end local 1 // int type
        end local 0 // org.bouncycastle.asn1.cmp.PKIBody this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lorg/bouncycastle/asn1/cmp/PKIBody;
            0    4     1     type  I
            0    4     2  content  Lorg/bouncycastle/asn1/ASN1Encodable;
    MethodParameters:
         Name  Flags
      type     
      content  

  private static org.bouncycastle.asn1.ASN1Encodable getBodyForType(int, org.bouncycastle.asn1.ASN1Encodable);
    descriptor: (ILorg/bouncycastle/asn1/ASN1Encodable;)Lorg/bouncycastle/asn1/ASN1Encodable;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // int type
        start local 1 // org.bouncycastle.asn1.ASN1Encodable o
         0: .line 84
            iload 0 /* type */
            tableswitch { // 0 - 26
                    0: 1
                    1: 2
                    2: 3
                    3: 4
                    4: 5
                    5: 6
                    6: 7
                    7: 8
                    8: 9
                    9: 10
                   10: 11
                   11: 12
                   12: 13
                   13: 14
                   14: 15
                   15: 16
                   16: 17
                   17: 18
                   18: 19
                   19: 20
                   20: 21
                   21: 22
                   22: 23
                   23: 24
                   24: 25
                   25: 26
                   26: 27
              default: 28
          }
         1: .line 87
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.crmf.CertReqMessages.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/crmf/CertReqMessages;
            areturn
         2: .line 89
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CertRepMessage.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CertRepMessage;
            areturn
         3: .line 91
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.crmf.CertReqMessages.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/crmf/CertReqMessages;
            areturn
         4: .line 93
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CertRepMessage.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CertRepMessage;
            areturn
         5: .line 95
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.pkcs.CertificationRequest.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/pkcs/CertificationRequest;
            areturn
         6: .line 97
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.POPODecKeyChallContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/POPODecKeyChallContent;
            areturn
         7: .line 99
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.POPODecKeyRespContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/POPODecKeyRespContent;
            areturn
         8: .line 101
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.crmf.CertReqMessages.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/crmf/CertReqMessages;
            areturn
         9: .line 103
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CertRepMessage.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CertRepMessage;
            areturn
        10: .line 105
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.crmf.CertReqMessages.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/crmf/CertReqMessages;
            areturn
        11: .line 107
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.KeyRecRepContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/KeyRecRepContent;
            areturn
        12: .line 109
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.RevReqContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/RevReqContent;
            areturn
        13: .line 111
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.RevRepContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/RevRepContent;
            areturn
        14: .line 113
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.crmf.CertReqMessages.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/crmf/CertReqMessages;
            areturn
        15: .line 115
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CertRepMessage.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CertRepMessage;
            areturn
        16: .line 117
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CAKeyUpdAnnContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CAKeyUpdAnnContent;
            areturn
        17: .line 119
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CMPCertificate.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CMPCertificate;
            areturn
        18: .line 121
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.RevAnnContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/RevAnnContent;
            areturn
        19: .line 123
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CRLAnnContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CRLAnnContent;
            areturn
        20: .line 125
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.PKIConfirmContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/PKIConfirmContent;
            areturn
        21: .line 127
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.PKIMessages.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/PKIMessages;
            areturn
        22: .line 129
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.GenMsgContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/GenMsgContent;
            areturn
        23: .line 131
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.GenRepContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/GenRepContent;
            areturn
        24: .line 133
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.ErrorMsgContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/ErrorMsgContent;
            areturn
        25: .line 135
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.CertConfirmContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/CertConfirmContent;
            areturn
        26: .line 137
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.PollReqContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/PollReqContent;
            areturn
        27: .line 139
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            invokestatic org.bouncycastle.asn1.cmp.PollRepContent.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cmp/PollRepContent;
            areturn
        28: .line 141
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unknown tag number: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 0 /* type */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // org.bouncycastle.asn1.ASN1Encodable o
        end local 0 // int type
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   29     0  type  I
            0   29     1     o  Lorg/bouncycastle/asn1/ASN1Encodable;
    MethodParameters:
      Name  Flags
      type  
      o     

  public int getType();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cmp.PKIBody this
         0: .line 147
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cmp.PKIBody.tagNo:I
            ireturn
        end local 0 // org.bouncycastle.asn1.cmp.PKIBody this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cmp/PKIBody;

  public org.bouncycastle.asn1.ASN1Encodable getContent();
    descriptor: ()Lorg/bouncycastle/asn1/ASN1Encodable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cmp.PKIBody this
         0: .line 152
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cmp.PKIBody.body:Lorg/bouncycastle/asn1/ASN1Encodable;
            areturn
        end local 0 // org.bouncycastle.asn1.cmp.PKIBody this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cmp/PKIBody;

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cmp.PKIBody this
         0: .line 191
            new org.bouncycastle.asn1.DERTaggedObject
            dup
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cmp.PKIBody.tagNo:I
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cmp.PKIBody.body:Lorg/bouncycastle/asn1/ASN1Encodable;
            invokespecial org.bouncycastle.asn1.DERTaggedObject.<init>:(ZILorg/bouncycastle/asn1/DEREncodable;)V
            areturn
        end local 0 // org.bouncycastle.asn1.cmp.PKIBody this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cmp/PKIBody;
}
SourceFile: "PKIBody.java"