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

  private org.bouncycastle.asn1.DERUTF8String fileName;
    descriptor: Lorg/bouncycastle/asn1/DERUTF8String;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.DERIA5String mediaType;
    descriptor: Lorg/bouncycastle/asn1/DERIA5String;
    flags: (0x0002) ACC_PRIVATE

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

  public void <init>(org.bouncycastle.asn1.DERBoolean, org.bouncycastle.asn1.DERUTF8String, org.bouncycastle.asn1.DERIA5String, org.bouncycastle.asn1.cms.Attributes);
    descriptor: (Lorg/bouncycastle/asn1/DERBoolean;Lorg/bouncycastle/asn1/DERUTF8String;Lorg/bouncycastle/asn1/DERIA5String;Lorg/bouncycastle/asn1/cms/Attributes;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // org.bouncycastle.asn1.cms.MetaData this
        start local 1 // org.bouncycastle.asn1.DERBoolean hashProtected
        start local 2 // org.bouncycastle.asn1.DERUTF8String fileName
        start local 3 // org.bouncycastle.asn1.DERIA5String mediaType
        start local 4 // org.bouncycastle.asn1.cms.Attributes otherMetaData
         0: .line 20
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 26
            aload 0 /* this */
            aload 1 /* hashProtected */
            putfield org.bouncycastle.asn1.cms.MetaData.hashProtected:Lorg/bouncycastle/asn1/DERBoolean;
         2: .line 27
            aload 0 /* this */
            aload 2 /* fileName */
            putfield org.bouncycastle.asn1.cms.MetaData.fileName:Lorg/bouncycastle/asn1/DERUTF8String;
         3: .line 28
            aload 0 /* this */
            aload 3 /* mediaType */
            putfield org.bouncycastle.asn1.cms.MetaData.mediaType:Lorg/bouncycastle/asn1/DERIA5String;
         4: .line 29
            aload 0 /* this */
            aload 4 /* otherMetaData */
            putfield org.bouncycastle.asn1.cms.MetaData.otherMetaData:Lorg/bouncycastle/asn1/cms/Attributes;
         5: .line 30
            return
        end local 4 // org.bouncycastle.asn1.cms.Attributes otherMetaData
        end local 3 // org.bouncycastle.asn1.DERIA5String mediaType
        end local 2 // org.bouncycastle.asn1.DERUTF8String fileName
        end local 1 // org.bouncycastle.asn1.DERBoolean hashProtected
        end local 0 // org.bouncycastle.asn1.cms.MetaData this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    6     0           this  Lorg/bouncycastle/asn1/cms/MetaData;
            0    6     1  hashProtected  Lorg/bouncycastle/asn1/DERBoolean;
            0    6     2       fileName  Lorg/bouncycastle/asn1/DERUTF8String;
            0    6     3      mediaType  Lorg/bouncycastle/asn1/DERIA5String;
            0    6     4  otherMetaData  Lorg/bouncycastle/asn1/cms/Attributes;
    MethodParameters:
               Name  Flags
      hashProtected  
      fileName       
      mediaType      
      otherMetaData  

  private void <init>(org.bouncycastle.asn1.ASN1Sequence);
    descriptor: (Lorg/bouncycastle/asn1/ASN1Sequence;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.bouncycastle.asn1.cms.MetaData this
        start local 1 // org.bouncycastle.asn1.ASN1Sequence seq
         0: .line 32
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 34
            aload 0 /* this */
            aload 1 /* seq */
            iconst_0
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.DERBoolean.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERBoolean;
            putfield org.bouncycastle.asn1.cms.MetaData.hashProtected:Lorg/bouncycastle/asn1/DERBoolean;
         2: .line 36
            iconst_1
            istore 2 /* index */
        start local 2 // int index
         3: .line 38
            iload 2 /* index */
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            if_icmpge 5
            aload 1 /* seq */
            iload 2 /* index */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            instanceof org.bouncycastle.asn1.DERUTF8String
            ifeq 5
         4: .line 40
            aload 0 /* this */
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.DERUTF8String.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERUTF8String;
            putfield org.bouncycastle.asn1.cms.MetaData.fileName:Lorg/bouncycastle/asn1/DERUTF8String;
         5: .line 42
      StackMap locals: org.bouncycastle.asn1.cms.MetaData org.bouncycastle.asn1.ASN1Sequence int
      StackMap stack:
            iload 2 /* index */
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            if_icmpge 7
            aload 1 /* seq */
            iload 2 /* index */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            instanceof org.bouncycastle.asn1.DERIA5String
            ifeq 7
         6: .line 44
            aload 0 /* this */
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.DERIA5String.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/DERIA5String;
            putfield org.bouncycastle.asn1.cms.MetaData.mediaType:Lorg/bouncycastle/asn1/DERIA5String;
         7: .line 46
      StackMap locals:
      StackMap stack:
            iload 2 /* index */
            aload 1 /* seq */
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.size:()I
            if_icmpge 9
         8: .line 48
            aload 0 /* this */
            aload 1 /* seq */
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual org.bouncycastle.asn1.ASN1Sequence.getObjectAt:(I)Lorg/bouncycastle/asn1/DEREncodable;
            invokestatic org.bouncycastle.asn1.cms.Attributes.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/Attributes;
            putfield org.bouncycastle.asn1.cms.MetaData.otherMetaData:Lorg/bouncycastle/asn1/cms/Attributes;
         9: .line 50
      StackMap locals:
      StackMap stack:
            return
        end local 2 // int index
        end local 1 // org.bouncycastle.asn1.ASN1Sequence seq
        end local 0 // org.bouncycastle.asn1.cms.MetaData this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   10     0   this  Lorg/bouncycastle/asn1/cms/MetaData;
            0   10     1    seq  Lorg/bouncycastle/asn1/ASN1Sequence;
            3   10     2  index  I
    MethodParameters:
      Name  Flags
      seq   

  public static org.bouncycastle.asn1.cms.MetaData getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/cms/MetaData;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Object obj
         0: .line 54
            aload 0 /* obj */
            instanceof org.bouncycastle.asn1.cms.MetaData
            ifeq 2
         1: .line 56
            aload 0 /* obj */
            checkcast org.bouncycastle.asn1.cms.MetaData
            areturn
         2: .line 58
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            ifnull 4
         3: .line 60
            new org.bouncycastle.asn1.cms.MetaData
            dup
            aload 0 /* obj */
            invokestatic org.bouncycastle.asn1.ASN1Sequence.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/ASN1Sequence;
            invokespecial org.bouncycastle.asn1.cms.MetaData.<init>:(Lorg/bouncycastle/asn1/ASN1Sequence;)V
            areturn
         4: .line 63
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        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.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.MetaData this
         0: .line 79
            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 81
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.hashProtected:Lorg/bouncycastle/asn1/DERBoolean;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         2: .line 83
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.fileName:Lorg/bouncycastle/asn1/DERUTF8String;
            ifnull 4
         3: .line 85
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.fileName:Lorg/bouncycastle/asn1/DERUTF8String;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         4: .line 88
      StackMap locals: org.bouncycastle.asn1.ASN1EncodableVector
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.mediaType:Lorg/bouncycastle/asn1/DERIA5String;
            ifnull 6
         5: .line 90
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.mediaType:Lorg/bouncycastle/asn1/DERIA5String;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         6: .line 93
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.otherMetaData:Lorg/bouncycastle/asn1/cms/Attributes;
            ifnull 8
         7: .line 95
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.otherMetaData:Lorg/bouncycastle/asn1/cms/Attributes;
            invokevirtual org.bouncycastle.asn1.ASN1EncodableVector.add:(Lorg/bouncycastle/asn1/DEREncodable;)V
         8: .line 98
      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.MetaData this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/bouncycastle/asn1/cms/MetaData;
            1    9     1     v  Lorg/bouncycastle/asn1/ASN1EncodableVector;

  public boolean isHashProtected();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.MetaData this
         0: .line 103
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.hashProtected:Lorg/bouncycastle/asn1/DERBoolean;
            invokevirtual org.bouncycastle.asn1.DERBoolean.isTrue:()Z
            ireturn
        end local 0 // org.bouncycastle.asn1.cms.MetaData this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/MetaData;

  public org.bouncycastle.asn1.DERUTF8String getFileName();
    descriptor: ()Lorg/bouncycastle/asn1/DERUTF8String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.MetaData this
         0: .line 108
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.fileName:Lorg/bouncycastle/asn1/DERUTF8String;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.MetaData this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/MetaData;

  public org.bouncycastle.asn1.DERIA5String getMediaType();
    descriptor: ()Lorg/bouncycastle/asn1/DERIA5String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.MetaData this
         0: .line 113
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.mediaType:Lorg/bouncycastle/asn1/DERIA5String;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.MetaData this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/MetaData;

  public org.bouncycastle.asn1.cms.Attributes getOtherMetaData();
    descriptor: ()Lorg/bouncycastle/asn1/cms/Attributes;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.cms.MetaData this
         0: .line 118
            aload 0 /* this */
            getfield org.bouncycastle.asn1.cms.MetaData.otherMetaData:Lorg/bouncycastle/asn1/cms/Attributes;
            areturn
        end local 0 // org.bouncycastle.asn1.cms.MetaData this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/cms/MetaData;
}
SourceFile: "MetaData.java"