http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
class org.bouncycastle.tsp.cms.MetaDataUtil
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.tsp.cms.MetaDataUtil
  super_class: java.lang.Object
{
  private final org.bouncycastle.asn1.cms.MetaData metaData;
    descriptor: Lorg/bouncycastle/asn1/cms/MetaData;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(org.bouncycastle.asn1.cms.MetaData);
    descriptor: (Lorg/bouncycastle/asn1/cms/MetaData;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
        start local 1 // org.bouncycastle.asn1.cms.MetaData metaData
         0: .line 16
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 18
            aload 0 /* this */
            aload 1 /* metaData */
            putfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
         2: .line 19
            return
        end local 1 // org.bouncycastle.asn1.cms.MetaData metaData
        end local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lorg/bouncycastle/tsp/cms/MetaDataUtil;
            0    3     1  metaData  Lorg/bouncycastle/asn1/cms/MetaData;
    MethodParameters:
          Name  Flags
      metaData  

  void initialiseMessageImprintDigestCalculator(org.bouncycastle.operator.DigestCalculator);
    descriptor: (Lorg/bouncycastle/operator/DigestCalculator;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
        start local 1 // org.bouncycastle.operator.DigestCalculator calculator
         0: .line 24
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            ifnull 5
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            invokevirtual org.bouncycastle.asn1.cms.MetaData.isHashProtected:()Z
            ifeq 5
         1: .line 28
            aload 1 /* calculator */
            invokeinterface org.bouncycastle.operator.DigestCalculator.getOutputStream:()Ljava/io/OutputStream;
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            ldc "DER"
            invokevirtual org.bouncycastle.asn1.cms.MetaData.getEncoded:(Ljava/lang/String;)[B
            invokevirtual java.io.OutputStream.write:([B)V
         2: .line 29
            goto 5
         3: .line 30
      StackMap locals:
      StackMap stack: java.io.IOException
            astore 2 /* e */
        start local 2 // java.io.IOException e
         4: .line 32
            new org.bouncycastle.cms.CMSException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unable to initialise calculator from metaData: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* e */
            invokevirtual java.io.IOException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* e */
            invokespecial org.bouncycastle.cms.CMSException.<init>:(Ljava/lang/String;Ljava/lang/Exception;)V
            athrow
        end local 2 // java.io.IOException e
         5: .line 35
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.bouncycastle.operator.DigestCalculator calculator
        end local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0        this  Lorg/bouncycastle/tsp/cms/MetaDataUtil;
            0    6     1  calculator  Lorg/bouncycastle/operator/DigestCalculator;
            4    5     2           e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           1     2       3  Class java.io.IOException
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
            Name  Flags
      calculator  

  java.lang.String getFileName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
         0: .line 39
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            ifnull 2
         1: .line 41
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            invokevirtual org.bouncycastle.asn1.cms.MetaData.getFileName:()Lorg/bouncycastle/asn1/DERUTF8String;
            invokevirtual org.bouncycastle.tsp.cms.MetaDataUtil.convertString:(Lorg/bouncycastle/asn1/ASN1String;)Ljava/lang/String;
            areturn
         2: .line 44
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/tsp/cms/MetaDataUtil;

  java.lang.String getMediaType();
    descriptor: ()Ljava/lang/String;
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
         0: .line 49
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            ifnull 2
         1: .line 51
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            invokevirtual org.bouncycastle.asn1.cms.MetaData.getMediaType:()Lorg/bouncycastle/asn1/DERIA5String;
            invokevirtual org.bouncycastle.tsp.cms.MetaDataUtil.convertString:(Lorg/bouncycastle/asn1/ASN1String;)Ljava/lang/String;
            areturn
         2: .line 54
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/tsp/cms/MetaDataUtil;

  org.bouncycastle.asn1.cms.Attributes getOtherMetaData();
    descriptor: ()Lorg/bouncycastle/asn1/cms/Attributes;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
         0: .line 59
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            ifnull 2
         1: .line 61
            aload 0 /* this */
            getfield org.bouncycastle.tsp.cms.MetaDataUtil.metaData:Lorg/bouncycastle/asn1/cms/MetaData;
            invokevirtual org.bouncycastle.asn1.cms.MetaData.getOtherMetaData:()Lorg/bouncycastle/asn1/cms/Attributes;
            areturn
         2: .line 64
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/tsp/cms/MetaDataUtil;

  private java.lang.String convertString(org.bouncycastle.asn1.ASN1String);
    descriptor: (Lorg/bouncycastle/asn1/ASN1String;)Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
        start local 1 // org.bouncycastle.asn1.ASN1String s
         0: .line 69
            aload 1 /* s */
            ifnull 2
         1: .line 71
            aload 1 /* s */
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            areturn
         2: .line 74
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 1 // org.bouncycastle.asn1.ASN1String s
        end local 0 // org.bouncycastle.tsp.cms.MetaDataUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/tsp/cms/MetaDataUtil;
            0    3     1     s  Lorg/bouncycastle/asn1/ASN1String;
    MethodParameters:
      Name  Flags
      s     
}
SourceFile: "MetaDataUtil.java"