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

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

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

  private org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm;
    descriptor: Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.ASN1Sequence recipientEncryptedKeys;
    descriptor: Lorg/bouncycastle/asn1/ASN1Sequence;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.asn1.cms.OriginatorIdentifierOrKey, org.bouncycastle.asn1.ASN1OctetString, org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;Lorg/bouncycastle/asn1/ASN1OctetString;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=5
        start local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
        start local 1 // org.bouncycastle.asn1.cms.OriginatorIdentifierOrKey originator
        start local 2 // org.bouncycastle.asn1.ASN1OctetString ukm
        start local 3 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        start local 4 // org.bouncycastle.asn1.ASN1Sequence recipientEncryptedKeys
         0: .line 23
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 29
            aload 0 /* this */
            new org.bouncycastle.asn1.DERInteger
            dup
            iconst_3
            invokespecial org.bouncycastle.asn1.DERInteger.<init>:(I)V
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.version:Lorg/bouncycastle/asn1/DERInteger;
         2: .line 30
            aload 0 /* this */
            aload 1 /* originator */
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.originator:Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;
         3: .line 31
            aload 0 /* this */
            aload 2 /* ukm */
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.ukm:Lorg/bouncycastle/asn1/ASN1OctetString;
         4: .line 32
            aload 0 /* this */
            aload 3 /* keyEncryptionAlgorithm */
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.keyEncryptionAlgorithm:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
         5: .line 33
            aload 0 /* this */
            aload 4 /* recipientEncryptedKeys */
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.recipientEncryptedKeys:Lorg/bouncycastle/asn1/ASN1Sequence;
         6: .line 34
            return
        end local 4 // org.bouncycastle.asn1.ASN1Sequence recipientEncryptedKeys
        end local 3 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        end local 2 // org.bouncycastle.asn1.ASN1OctetString ukm
        end local 1 // org.bouncycastle.asn1.cms.OriginatorIdentifierOrKey originator
        end local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0    7     0                    this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
            0    7     1              originator  Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;
            0    7     2                     ukm  Lorg/bouncycastle/asn1/ASN1OctetString;
            0    7     3  keyEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    7     4  recipientEncryptedKeys  Lorg/bouncycastle/asn1/ASN1Sequence;
    MethodParameters:
                        Name  Flags
      originator              
      ukm                     
      keyEncryptionAlgorithm  
      recipientEncryptedKeys  

  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.cms.KeyAgreeRecipientInfo this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 36
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 39
            iconst_0
            istore 2 /* index */
        start local 2 // int index
         2: .line 41
            aload 0 /* this */
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.DERInteger
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.version:Lorg/bouncycastle/asn1/DERInteger;
         3: .line 42
            aload 0 /* this */
         4: .line 43
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1TaggedObject
            iconst_1
         5: .line 42
            invokestatic org.bouncycastle.asn1.cms.OriginatorIdentifierOrKey.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.originator:Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;
         6: .line 45
            aload 1 /* seq */
            iload 2 /* index */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            instanceof org.bouncycastle.asn1.ASN1TaggedObject
            ifeq 10
         7: .line 47
            aload 0 /* this */
         8: .line 48
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1TaggedObject
            iconst_1
         9: .line 47
            invokestatic org.bouncycastle.asn1.ASN1OctetString.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/ASN1OctetString;
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.ukm:Lorg/bouncycastle/asn1/ASN1OctetString;
        10: .line 51
      StackMap locals: org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo org.bouncycastle.asn1.ASN1Sequence int
      StackMap stack:
            aload 0 /* this */
        11: .line 52
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
        12: .line 51
            invokestatic org.bouncycastle.asn1.x509.AlgorithmIdentifier.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.keyEncryptionAlgorithm:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
        13: .line 54
            aload 0 /* this */
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1Sequence
            putfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.recipientEncryptedKeys:Lorg/bouncycastle/asn1/ASN1Sequence;
        14: .line 55
            return
        end local 2 // int index
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   15     0   this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
            0   15     1    seq  Lorg/bouncycastle/asn1/ASN1Sequence;
            2   15     2  index  I
    MethodParameters:
      Name  Flags
      seq   

  public static org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo getInstance(org.bouncycastle.asn1.ASN1TaggedObject, boolean);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
    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 70
            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.KeyAgreeRecipientInfo.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
            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.KeyAgreeRecipientInfo getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object obj
         0: .line 82
            aload 0 /* obj */
            ifnull 1
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo
            ifeq 2
         1: .line 84
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo
            areturn
         2: .line 87
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 89
            new org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo
            dup
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 92
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
         5: .line 93
            new java.lang.StringBuilder
            dup
            ldc "Illegal object in KeyAgreeRecipientInfo: "
            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;
         6: .line 92
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.lang.Object obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public org.bouncycastle.asn1.DERInteger getVersion();
    descriptor: ()Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
         0: .line 99
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.version:Lorg/bouncycastle/asn1/DERInteger;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;

  public org.bouncycastle.asn1.cms.OriginatorIdentifierOrKey getOriginator();
    descriptor: ()Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
         0: .line 104
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.originator:Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;

  public org.bouncycastle.asn1.ASN1OctetString getUserKeyingMaterial();
    descriptor: ()Lorg/bouncycastle/asn1/ASN1OctetString;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
         0: .line 109
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.ukm:Lorg/bouncycastle/asn1/ASN1OctetString;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;

  public org.bouncycastle.asn1.x509.AlgorithmIdentifier getKeyEncryptionAlgorithm();
    descriptor: ()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
         0: .line 114
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.keyEncryptionAlgorithm:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;

  public org.bouncycastle.asn1.ASN1Sequence getRecipientEncryptedKeys();
    descriptor: ()Lorg/bouncycastle/asn1/ASN1Sequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
         0: .line 119
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.recipientEncryptedKeys:Lorg/bouncycastle/asn1/ASN1Sequence;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo this
         0: .line 138
            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 140
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.version:Lorg/bouncycastle/asn1/DERInteger;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         2: .line 141
            aload 1 /* v */
            new org.bouncycastle.asn1.DERTaggedObject
            dup
            iconst_1
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.originator:Lorg/bouncycastle/asn1/cms/OriginatorIdentifierOrKey;
            invokespecial org.bouncycastle.asn1.DERTaggedObject.<init>:(ZILorg/bouncycastle/asn1/DEREncodable;)V
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         3: .line 143
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.ukm:Lorg/bouncycastle/asn1/ASN1OctetString;
            ifnull 5
         4: .line 145
            aload 1 /* v */
            new org.bouncycastle.asn1.DERTaggedObject
            dup
            iconst_1
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.ukm:Lorg/bouncycastle/asn1/ASN1OctetString;
            invokespecial org.bouncycastle.asn1.DERTaggedObject.<init>:(ZILorg/bouncycastle/asn1/DEREncodable;)V
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         5: .line 148
      StackMap locals: org.bouncycastle.asn1.ASN1EncodableVector
      StackMap stack:
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.keyEncryptionAlgorithm:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         6: .line 149
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.recipientEncryptedKeys:Lorg/bouncycastle/asn1/ASN1Sequence;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         7: .line 151
            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.KeyAgreeRecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
            1    8     1     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;
}
SourceFile: "KeyAgreeRecipientInfo.java"