diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/asn1/cms/TimeStampedData.java')
-rw-r--r-- | bcprov/src/main/java/org/bouncycastle/asn1/cms/TimeStampedData.java | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/asn1/cms/TimeStampedData.java b/bcprov/src/main/java/org/bouncycastle/asn1/cms/TimeStampedData.java new file mode 100644 index 0000000..f19061e --- /dev/null +++ b/bcprov/src/main/java/org/bouncycastle/asn1/cms/TimeStampedData.java @@ -0,0 +1,131 @@ +package org.bouncycastle.asn1.cms; + +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Integer; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1OctetString; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.BERSequence; +import org.bouncycastle.asn1.DERIA5String; + +/** + * <a href="http://tools.ietf.org/html/rfc5544">RFC 5544</a>: + * Binding Documents with Time-Stamps; TimeStampedData object. + * <p> + * <pre> + * TimeStampedData ::= SEQUENCE { + * version INTEGER { v1(1) }, + * dataUri IA5String OPTIONAL, + * metaData MetaData OPTIONAL, + * content OCTET STRING OPTIONAL, + * temporalEvidence Evidence + * } + * </pre> + */ +public class TimeStampedData + extends ASN1Object +{ + private ASN1Integer version; + private DERIA5String dataUri; + private MetaData metaData; + private ASN1OctetString content; + private Evidence temporalEvidence; + + public TimeStampedData(DERIA5String dataUri, MetaData metaData, ASN1OctetString content, Evidence temporalEvidence) + { + this.version = new ASN1Integer(1); + this.dataUri = dataUri; + this.metaData = metaData; + this.content = content; + this.temporalEvidence = temporalEvidence; + } + + private TimeStampedData(ASN1Sequence seq) + { + this.version = ASN1Integer.getInstance(seq.getObjectAt(0)); + + int index = 1; + if (seq.getObjectAt(index) instanceof DERIA5String) + { + this.dataUri = DERIA5String.getInstance(seq.getObjectAt(index++)); + } + if (seq.getObjectAt(index) instanceof MetaData || seq.getObjectAt(index) instanceof ASN1Sequence) + { + this.metaData = MetaData.getInstance(seq.getObjectAt(index++)); + } + if (seq.getObjectAt(index) instanceof ASN1OctetString) + { + this.content = ASN1OctetString.getInstance(seq.getObjectAt(index++)); + } + this.temporalEvidence = Evidence.getInstance(seq.getObjectAt(index)); + } + + /** + * Return a TimeStampedData object from the given object. + * <p> + * Accepted inputs: + * <ul> + * <li> null → null + * <li> {@link RecipientKeyIdentifier} object + * <li> {@link org.bouncycastle.asn1.ASN1Sequence#getInstance(java.lang.Object) ASN1Sequence} input formats with TimeStampedData structure inside + * </ul> + * + * @param obj the object we want converted. + * @exception IllegalArgumentException if the object cannot be converted. + */ + public static TimeStampedData getInstance(Object obj) + { + if (obj == null || obj instanceof TimeStampedData) + { + return (TimeStampedData)obj; + } + return new TimeStampedData(ASN1Sequence.getInstance(obj)); + } + + public DERIA5String getDataUri() + { + return dataUri; + } + + public MetaData getMetaData() + { + return metaData; + } + + public ASN1OctetString getContent() + { + return content; + } + + public Evidence getTemporalEvidence() + { + return temporalEvidence; + } + + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(version); + + if (dataUri != null) + { + v.add(dataUri); + } + + if (metaData != null) + { + v.add(metaData); + } + + if (content != null) + { + v.add(content); + } + + v.add(temporalEvidence); + + return new BERSequence(v); + } +} |