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.RecipientInfo 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.cms.RecipientInfo
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  org.bouncycastle.asn1.DEREncodable info;
    descriptor: Lorg/bouncycastle/asn1/DEREncodable;
    flags: (0x0000) 

  public void <init>(org.bouncycastle.asn1.cms.KeyTransRecipientInfo);
    descriptor: (Lorg/bouncycastle/asn1/cms/KeyTransRecipientInfo;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
        start local 1 // org.bouncycastle.asn1.cms.KeyTransRecipientInfo info
         0: .line 18
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 21
            aload 0 /* this */
            aload 1 /* info */
            putfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
         2: .line 22
            return
        end local 1 // org.bouncycastle.asn1.cms.KeyTransRecipientInfo info
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            0    3     1  info  Lorg/bouncycastle/asn1/cms/KeyTransRecipientInfo;
    MethodParameters:
      Name  Flags
      info  

  public void <init>(org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo);
    descriptor: (Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
        start local 1 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo info
         0: .line 24
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 27
            aload 0 /* this */
            new org.bouncycastle.asn1.DERTaggedObject
            dup
            iconst_0
            iconst_1
            aload 1 /* info */
            invokespecial org.bouncycastle.asn1.DERTaggedObject.<init>:(ZILorg/bouncycastle/asn1/DEREncodable;)V
            putfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
         2: .line 28
            return
        end local 1 // org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo info
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            0    3     1  info  Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
    MethodParameters:
      Name  Flags
      info  

  public void <init>(org.bouncycastle.asn1.cms.KEKRecipientInfo);
    descriptor: (Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
        start local 1 // org.bouncycastle.asn1.cms.KEKRecipientInfo info
         0: .line 30
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 33
            aload 0 /* this */
            new org.bouncycastle.asn1.DERTaggedObject
            dup
            iconst_0
            iconst_2
            aload 1 /* info */
            invokespecial org.bouncycastle.asn1.DERTaggedObject.<init>:(ZILorg/bouncycastle/asn1/DEREncodable;)V
            putfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
         2: .line 34
            return
        end local 1 // org.bouncycastle.asn1.cms.KEKRecipientInfo info
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            0    3     1  info  Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;
    MethodParameters:
      Name  Flags
      info  

  public void <init>(org.bouncycastle.asn1.cms.PasswordRecipientInfo);
    descriptor: (Lorg/bouncycastle/asn1/cms/PasswordRecipientInfo;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
        start local 1 // org.bouncycastle.asn1.cms.PasswordRecipientInfo info
         0: .line 36
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 39
            aload 0 /* this */
            new org.bouncycastle.asn1.DERTaggedObject
            dup
            iconst_0
            iconst_3
            aload 1 /* info */
            invokespecial org.bouncycastle.asn1.DERTaggedObject.<init>:(ZILorg/bouncycastle/asn1/DEREncodable;)V
            putfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
         2: .line 40
            return
        end local 1 // org.bouncycastle.asn1.cms.PasswordRecipientInfo info
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            0    3     1  info  Lorg/bouncycastle/asn1/cms/PasswordRecipientInfo;
    MethodParameters:
      Name  Flags
      info  

  public void <init>(org.bouncycastle.asn1.cms.OtherRecipientInfo);
    descriptor: (Lorg/bouncycastle/asn1/cms/OtherRecipientInfo;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
        start local 1 // org.bouncycastle.asn1.cms.OtherRecipientInfo info
         0: .line 42
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 45
            aload 0 /* this */
            new org.bouncycastle.asn1.DERTaggedObject
            dup
            iconst_0
            iconst_4
            aload 1 /* info */
            invokespecial org.bouncycastle.asn1.DERTaggedObject.<init>:(ZILorg/bouncycastle/asn1/DEREncodable;)V
            putfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
         2: .line 46
            return
        end local 1 // org.bouncycastle.asn1.cms.OtherRecipientInfo info
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            0    3     1  info  Lorg/bouncycastle/asn1/cms/OtherRecipientInfo;
    MethodParameters:
      Name  Flags
      info  

  public void <init>(org.bouncycastle.asn1.DERObject);
    descriptor: (Lorg/bouncycastle/asn1/DERObject;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
        start local 1 // org.bouncycastle.asn1.DERObject info
         0: .line 48
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 51
            aload 0 /* this */
            aload 1 /* info */
            putfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
         2: .line 52
            return
        end local 1 // org.bouncycastle.asn1.DERObject info
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            0    3     1  info  Lorg/bouncycastle/asn1/DERObject;
    MethodParameters:
      Name  Flags
      info  

  public static org.bouncycastle.asn1.cms.RecipientInfo getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/RecipientInfo;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object o
         0: .line 57
            aload 0 /* o */
            ifnull 1
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.cms.RecipientInfo
            ifeq 2
         1: .line 59
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.cms.RecipientInfo
            areturn
         2: .line 61
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.ASN1Sequence
            ifeq 4
         3: .line 63
            new org.bouncycastle.asn1.cms.RecipientInfo
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.ASN1Sequence
            invokespecial org.bouncycastle.asn1.cms.RecipientInfo.<init>:(Lorg/bouncycastle/asn1/DERObject;)V
            areturn
         4: .line 65
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.ASN1TaggedObject
            ifeq 6
         5: .line 67
            new org.bouncycastle.asn1.cms.RecipientInfo
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.ASN1TaggedObject
            invokespecial org.bouncycastle.asn1.cms.RecipientInfo.<init>:(Lorg/bouncycastle/asn1/DERObject;)V
            areturn
         6: .line 70
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unknown object in factory: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         7: .line 71
            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;
         8: .line 70
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.lang.Object o
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public org.bouncycastle.asn1.DERInteger getVersion();
    descriptor: ()Lorg/bouncycastle/asn1/DERInteger;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
         0: .line 76
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            instanceof org.bouncycastle.asn1.ASN1TaggedObject
            ifeq 8
         1: .line 78
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1TaggedObject
            astore 1 /* o */
        start local 1 // org.bouncycastle.asn1.ASN1TaggedObject o
         2: .line 80
            aload 1 /* o */
            invokevirtual org.bouncycastle.asn1.ASN1TaggedObject.getTagNo:()I
            tableswitch { // 1 - 4
                    1: 3
                    2: 4
                    3: 5
                    4: 6
              default: 7
          }
         3: .line 83
      StackMap locals: org.bouncycastle.asn1.ASN1TaggedObject
      StackMap stack:
            aload 1 /* o */
            iconst_0
            invokestatic org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
            invokevirtual org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.getVersion:()Lorg/bouncycastle/asn1/DERInteger;
            areturn
         4: .line 85
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* o */
            invokevirtual org.bouncycastle.asn1.cms.RecipientInfo.getKEKInfo:(Lorg/bouncycastle/asn1/ASN1TaggedObject;)Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;
            invokevirtual org.bouncycastle.asn1.cms.KEKRecipientInfo.getVersion:()Lorg/bouncycastle/asn1/DERInteger;
            areturn
         5: .line 87
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            iconst_0
            invokestatic org.bouncycastle.asn1.cms.PasswordRecipientInfo.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/PasswordRecipientInfo;
            invokevirtual org.bouncycastle.asn1.cms.PasswordRecipientInfo.getVersion:()Lorg/bouncycastle/asn1/DERInteger;
            areturn
         6: .line 89
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.asn1.DERInteger
            dup
            iconst_0
            invokespecial org.bouncycastle.asn1.DERInteger.<init>:(I)V
            areturn
         7: .line 91
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalStateException
            dup
            ldc "unknown tag"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // org.bouncycastle.asn1.ASN1TaggedObject o
         8: .line 95
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.cms.KeyTransRecipientInfo.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/KeyTransRecipientInfo;
            invokevirtual org.bouncycastle.asn1.cms.KeyTransRecipientInfo.getVersion:()Lorg/bouncycastle/asn1/DERInteger;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            2    8     1     o  Lorg/bouncycastle/asn1/ASN1TaggedObject;

  public boolean isTagged();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
         0: .line 100
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            instanceof org.bouncycastle.asn1.ASN1TaggedObject
            ireturn
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;

  public org.bouncycastle.asn1.DEREncodable getInfo();
    descriptor: ()Lorg/bouncycastle/asn1/DEREncodable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
         0: .line 105
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            instanceof org.bouncycastle.asn1.ASN1TaggedObject
            ifeq 8
         1: .line 107
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            checkcast org.bouncycastle.asn1.ASN1TaggedObject
            astore 1 /* o */
        start local 1 // org.bouncycastle.asn1.ASN1TaggedObject o
         2: .line 109
            aload 1 /* o */
            invokevirtual org.bouncycastle.asn1.ASN1TaggedObject.getTagNo:()I
            tableswitch { // 1 - 4
                    1: 3
                    2: 4
                    3: 5
                    4: 6
              default: 7
          }
         3: .line 112
      StackMap locals: org.bouncycastle.asn1.ASN1TaggedObject
      StackMap stack:
            aload 1 /* o */
            iconst_0
            invokestatic org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/KeyAgreeRecipientInfo;
            areturn
         4: .line 114
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* o */
            invokevirtual org.bouncycastle.asn1.cms.RecipientInfo.getKEKInfo:(Lorg/bouncycastle/asn1/ASN1TaggedObject;)Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;
            areturn
         5: .line 116
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            iconst_0
            invokestatic org.bouncycastle.asn1.cms.PasswordRecipientInfo.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/PasswordRecipientInfo;
            areturn
         6: .line 118
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            iconst_0
            invokestatic org.bouncycastle.asn1.cms.OtherRecipientInfo.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/OtherRecipientInfo;
            areturn
         7: .line 120
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalStateException
            dup
            ldc "unknown tag"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // org.bouncycastle.asn1.ASN1TaggedObject o
         8: .line 124
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.cms.KeyTransRecipientInfo.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/KeyTransRecipientInfo;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            2    8     1     o  Lorg/bouncycastle/asn1/ASN1TaggedObject;

  private org.bouncycastle.asn1.cms.KEKRecipientInfo getKEKInfo(org.bouncycastle.asn1.ASN1TaggedObject);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;)Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
        start local 1 // org.bouncycastle.asn1.ASN1TaggedObject o
         0: .line 129
            aload 1 /* o */
            invokevirtual org.bouncycastle.asn1.ASN1TaggedObject.isExplicit:()Z
            ifeq 2
         1: .line 131
            aload 1 /* o */
            iconst_1
            invokestatic org.bouncycastle.asn1.cms.KEKRecipientInfo.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;
            areturn
         2: .line 135
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            iconst_0
            invokestatic org.bouncycastle.asn1.cms.KEKRecipientInfo.getInstance:(Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;
            areturn
        end local 1 // org.bouncycastle.asn1.ASN1TaggedObject o
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
            0    3     1     o  Lorg/bouncycastle/asn1/ASN1TaggedObject;
    MethodParameters:
      Name  Flags
      o     

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
         0: .line 152
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.RecipientInfo.info:Lorg/bouncycastle/asn1/DEREncodable;
            invokeinterface org.bouncycastle.asn1.DEREncodable.getDERObject:()Lorg/bouncycastle/asn1/DERObject;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.RecipientInfo this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/RecipientInfo;
}
SourceFile: "RecipientInfo.java"