| package org.bouncycastle.tsp.cms; |
| |
| import java.net.URI; |
| |
| import org.bouncycastle.asn1.ASN1Boolean; |
| import org.bouncycastle.asn1.DERIA5String; |
| import org.bouncycastle.asn1.DERUTF8String; |
| import org.bouncycastle.asn1.cms.Attributes; |
| import org.bouncycastle.asn1.cms.MetaData; |
| import org.bouncycastle.cms.CMSException; |
| import org.bouncycastle.operator.DigestCalculator; |
| |
| public class CMSTimeStampedGenerator |
| { |
| protected MetaData metaData; |
| protected URI dataUri; |
| |
| /** |
| * Set the dataURI to be included in message. |
| * |
| * @param dataUri URI for the data the initial message imprint digest is based on. |
| */ |
| public void setDataUri(URI dataUri) |
| { |
| this.dataUri = dataUri; |
| } |
| |
| /** |
| * Set the MetaData for the generated message. |
| * |
| * @param hashProtected true if the MetaData should be included in first imprint calculation, false otherwise. |
| * @param fileName optional file name, may be null. |
| * @param mediaType optional media type, may be null. |
| */ |
| public void setMetaData(boolean hashProtected, String fileName, String mediaType) |
| { |
| setMetaData(hashProtected, fileName, mediaType, null); |
| } |
| |
| /** |
| * Set the MetaData for the generated message. |
| * |
| * @param hashProtected true if the MetaData should be included in first imprint calculation, false otherwise. |
| * @param fileName optional file name, may be null. |
| * @param mediaType optional media type, may be null. |
| * @param attributes optional attributes, may be null. |
| */ |
| public void setMetaData(boolean hashProtected, String fileName, String mediaType, Attributes attributes) |
| { |
| DERUTF8String asn1FileName = null; |
| |
| if (fileName != null) |
| { |
| asn1FileName = new DERUTF8String(fileName); |
| } |
| |
| DERIA5String asn1MediaType = null; |
| |
| if (mediaType != null) |
| { |
| asn1MediaType = new DERIA5String(mediaType); |
| } |
| |
| setMetaData(hashProtected, asn1FileName, asn1MediaType, attributes); |
| } |
| |
| private void setMetaData(boolean hashProtected, DERUTF8String fileName, DERIA5String mediaType, Attributes attributes) |
| { |
| this.metaData = new MetaData(ASN1Boolean.getInstance(hashProtected), fileName, mediaType, attributes); |
| } |
| |
| /** |
| * Initialise the passed in calculator with the MetaData for this message, if it is |
| * required as part of the initial message imprint calculation. After initialisation the |
| * calculator can then be used to calculate the initial message imprint digest for the first |
| * timestamp. |
| * |
| * @param calculator the digest calculator to be initialised. |
| * @throws CMSException if the MetaData is required and cannot be processed |
| */ |
| public void initialiseMessageImprintDigestCalculator(DigestCalculator calculator) |
| throws CMSException |
| { |
| MetaDataUtil util = new MetaDataUtil(metaData); |
| |
| util.initialiseMessageImprintDigestCalculator(calculator); |
| } |
| } |