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.cms.KEKIdentifier extends org.bouncycastle.asn1.ASN1Encodable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.cms.KEKIdentifier
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  private org.bouncycastle.asn1.ASN1OctetString keyIdentifier;
    descriptor: Lorg/bouncycastle/asn1/ASN1OctetString;
    flags: (0x0002) ACC_PRIVATE

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

  private org.bouncycastle.asn1.cms.OtherKeyAttribute other;
    descriptor: Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(byte[], org.bouncycastle.asn1.DERGeneralizedTime, org.bouncycastle.asn1.cms.OtherKeyAttribute);
    descriptor: ([BLorg/bouncycastle/asn1/DERGeneralizedTime;Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
        start local 1 // byte[] keyIdentifier
        start local 2 // org.bouncycastle.asn1.DERGeneralizedTime date
        start local 3 // org.bouncycastle.asn1.cms.OtherKeyAttribute other
         0: .line 20
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 25
            aload 0 /* this */
            new org.bouncycastle.asn1.DEROctetString
            dup
            aload 1 /* keyIdentifier */
            invokespecial org.bouncycastle.asn1.DEROctetString.<init>:([B)V
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.keyIdentifier:Lorg/bouncycastle/asn1/ASN1OctetString;
         2: .line 26
            aload 0 /* this */
            aload 2 /* date */
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.date:Lorg/bouncycastle/asn1/DERGeneralizedTime;
         3: .line 27
            aload 0 /* this */
            aload 3 /* other */
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.other:Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
         4: .line 28
            return
        end local 3 // org.bouncycastle.asn1.cms.OtherKeyAttribute other
        end local 2 // org.bouncycastle.asn1.DERGeneralizedTime date
        end local 1 // byte[] keyIdentifier
        end local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    5     0           this  Lorg/bouncycastle/asn1/cms/KEKIdentifier;
            0    5     1  keyIdentifier  [B
            0    5     2           date  Lorg/bouncycastle/asn1/DERGeneralizedTime;
            0    5     3          other  Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
    MethodParameters:
               Name  Flags
      keyIdentifier  
      date           
      other          

  public void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 30
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 33
            aload 0 /* this */
            aload 1 /* seq */
            iconst_0
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1OctetString
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.keyIdentifier:Lorg/bouncycastle/asn1/ASN1OctetString;
         2: .line 35
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            tableswitch { // 1 - 3
                    1: 3
                    2: 4
                    3: 9
              default: 12
          }
         3: .line 38
      StackMap locals: org.bouncycastle.asn1.cms.KEKIdentifier org.bouncycastle.asn1.ASN1Sequence
      StackMap stack:
            goto 13
         4: .line 40
      StackMap locals:
      StackMap stack:
            aload 1 /* seq */
            iconst_1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            instanceof org.bouncycastle.asn1.DERGeneralizedTime
            ifeq 7
         5: .line 42
            aload 0 /* this */
            aload 1 /* seq */
            iconst_1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.DERGeneralizedTime
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.date:Lorg/bouncycastle/asn1/DERGeneralizedTime;
         6: .line 43
            goto 13
         7: .line 46
      StackMap locals:
      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.cms.OtherKeyAttribute.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.other:Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
         8: .line 48
            goto 13
         9: .line 50
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* seq */
            iconst_1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.DERGeneralizedTime
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.date:Lorg/bouncycastle/asn1/DERGeneralizedTime;
        10: .line 51
            aload 0 /* this */
            aload 1 /* seq */
            iconst_2
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.cms.OtherKeyAttribute.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
            putfield org.bouncycastle.asn1.cms.KEKIdentifier.other:Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
        11: .line 52
            goto 13
        12: .line 54
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "Invalid KEKIdentifier"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 56
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   14     0  this  Lorg/bouncycastle/asn1/cms/KEKIdentifier;
            0   14     1   seq  Lorg/bouncycastle/asn1/ASN1Sequence;
    MethodParameters:
      Name  Flags
      seq   

  public static org.bouncycastle.asn1.cms.KEKIdentifier getInstance(org.bouncycastle.asn1.ASN1TaggedObject, boolean);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/KEKIdentifier;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.ASN1TaggedObject obj
        start local 1 // boolean explicit
         0: .line 71
            aload 0 /* obj */
            iload 1 /* explicit */
            invokestatic org.bouncycastle.asn1.ASN1Sequence.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/ASN1Sequence;
            invokestatic org.bouncycastle.asn1.cms.KEKIdentifier.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/KEKIdentifier;
            areturn
        end local 1 // boolean explicit
        end local 0 // org.bouncycastle.asn1.ASN1TaggedObject obj
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0       obj  Lorg/bouncycastle/asn1/ASN1TaggedObject;
            0    1     1  explicit  Z
    MethodParameters:
          Name  Flags
      obj       
      explicit  

  public static org.bouncycastle.asn1.cms.KEKIdentifier getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/KEKIdentifier;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object obj
         0: .line 83
            aload 0 /* obj */
            ifnull 1
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.cms.KEKIdentifier
            ifeq 2
         1: .line 85
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.cms.KEKIdentifier
            areturn
         2: .line 88
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 90
            new org.bouncycastle.asn1.cms.KEKIdentifier
            dup
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.cms.KEKIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 93
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid KEKIdentifier: "
            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 org.bouncycastle.asn1.ASN1OctetString getKeyIdentifier();
    descriptor: ()Lorg/bouncycastle/asn1/ASN1OctetString;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
         0: .line 98
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.keyIdentifier:Lorg/bouncycastle/asn1/ASN1OctetString;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KEKIdentifier;

  public org.bouncycastle.asn1.DERGeneralizedTime getDate();
    descriptor: ()Lorg/bouncycastle/asn1/DERGeneralizedTime;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
         0: .line 103
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.date:Lorg/bouncycastle/asn1/DERGeneralizedTime;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KEKIdentifier;

  public org.bouncycastle.asn1.cms.OtherKeyAttribute getOther();
    descriptor: ()Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
         0: .line 108
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.other:Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KEKIdentifier this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KEKIdentifier;

  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.cms.KEKIdentifier this
         0: .line 123
            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 125
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.keyIdentifier:Lorg/bouncycastle/asn1/ASN1OctetString;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         2: .line 127
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.date:Lorg/bouncycastle/asn1/DERGeneralizedTime;
            ifnull 4
         3: .line 129
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.date:Lorg/bouncycastle/asn1/DERGeneralizedTime;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         4: .line 132
      StackMap locals: org.bouncycastle.asn1.ASN1EncodableVector
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.other:Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
            ifnull 6
         5: .line 134
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KEKIdentifier.other:Lorg/bouncycastle/asn1/cms/OtherKeyAttribute;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         6: .line 137
      StackMap locals:
      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.cms.KEKIdentifier this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/bouncycastle/asn1/cms/KEKIdentifier;
            1    7     1     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;
}
SourceFile: "KEKIdentifier.java"