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

  private org.bouncycastle.asn1.ASN1OctetString encryptedKey;
    descriptor: Lorg/bouncycastle/asn1/ASN1OctetString;
    flags: (0x0002) ACC_PRIVATE

  private void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 18
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 21
            aload 0 /* this */
            aload 1 /* seq */
            iconst_0
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.cms.KeyAgreeRecipientIdentifier.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;
            putfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.identifier:Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;
         2: .line 22
            aload 0 /* this */
            aload 1 /* seq */
            iconst_1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1OctetString
            putfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.encryptedKey:Lorg/bouncycastle/asn1/ASN1OctetString;
         3: .line 23
            return
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;
            0    4     1   seq  Lorg/bouncycastle/asn1/ASN1Sequence;
    MethodParameters:
      Name  Flags
      seq   

  public static org.bouncycastle.asn1.cms.RecipientEncryptedKey getInstance(org.bouncycastle.asn1.ASN1TaggedObject, boolean);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;
    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 38
            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.RecipientEncryptedKey.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;
            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.RecipientEncryptedKey getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object obj
         0: .line 50
            aload 0 /* obj */
            ifnull 1
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.cms.RecipientEncryptedKey
            ifeq 2
         1: .line 52
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.cms.RecipientEncryptedKey
            areturn
         2: .line 55
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 57
            new org.bouncycastle.asn1.cms.RecipientEncryptedKey
            dup
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.cms.RecipientEncryptedKey.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 60
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid RecipientEncryptedKey: "
            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>(org.bouncycastle.asn1.cms.KeyAgreeRecipientIdentifier, org.bouncycastle.asn1.ASN1OctetString);
    descriptor: (Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;Lorg/bouncycastle/asn1/ASN1OctetString;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
        start local 1 // org.bouncycastle.asn1.cms.KeyAgreeRecipientIdentifier id
        start local 2 // org.bouncycastle.asn1.ASN1OctetString encryptedKey
         0: .line 63
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 67
            aload 0 /* this */
            aload 1 /* id */
            putfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.identifier:Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;
         2: .line 68
            aload 0 /* this */
            aload 2 /* encryptedKey */
            putfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.encryptedKey:Lorg/bouncycastle/asn1/ASN1OctetString;
         3: .line 69
            return
        end local 2 // org.bouncycastle.asn1.ASN1OctetString encryptedKey
        end local 1 // org.bouncycastle.asn1.cms.KeyAgreeRecipientIdentifier id
        end local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;
            0    4     1            id  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;
            0    4     2  encryptedKey  Lorg/bouncycastle/asn1/ASN1OctetString;
    MethodParameters:
              Name  Flags
      id            
      encryptedKey  

  public org.bouncycastle.asn1.cms.KeyAgreeRecipientIdentifier getIdentifier();
    descriptor: ()Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
         0: .line 73
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.identifier:Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;

  public org.bouncycastle.asn1.ASN1OctetString getEncryptedKey();
    descriptor: ()Lorg/bouncycastle/asn1/ASN1OctetString;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
         0: .line 78
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.encryptedKey:Lorg/bouncycastle/asn1/ASN1OctetString;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.RecipientEncryptedKey this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;

  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.RecipientEncryptedKey this
         0: .line 92
            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 94
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.identifier:Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         2: .line 95
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientEncryptedKey.encryptedKey:Lorg/bouncycastle/asn1/ASN1OctetString;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         3: .line 97
            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.RecipientEncryptedKey this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/asn1/cms/RecipientEncryptedKey;
            1    4     1     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;
}
SourceFile: "RecipientEncryptedKey.java"