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Diffstat (limited to 'crypto/src/asn1/ess/OtherCertID.cs')
-rw-r--r-- | crypto/src/asn1/ess/OtherCertID.cs | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/crypto/src/asn1/ess/OtherCertID.cs b/crypto/src/asn1/ess/OtherCertID.cs new file mode 100644 index 000000000..972ef8c6b --- /dev/null +++ b/crypto/src/asn1/ess/OtherCertID.cs @@ -0,0 +1,132 @@ +using System; + +using Org.BouncyCastle.Asn1.X509; + +namespace Org.BouncyCastle.Asn1.Ess +{ + [Obsolete("Use version in Asn1.Esf instead")] + public class OtherCertID + : Asn1Encodable + { + private Asn1Encodable otherCertHash; + private IssuerSerial issuerSerial; + + public static OtherCertID GetInstance( + object o) + { + if (o == null || o is OtherCertID) + { + return (OtherCertID) o; + } + + if (o is Asn1Sequence) + { + return new OtherCertID((Asn1Sequence) o); + } + + throw new ArgumentException( + "unknown object in 'OtherCertID' factory : " + + o.GetType().Name + "."); + } + + /** + * constructor + */ + public OtherCertID( + Asn1Sequence seq) + { + if (seq.Count < 1 || seq.Count > 2) + { + throw new ArgumentException("Bad sequence size: " + seq.Count); + } + + if (seq[0].ToAsn1Object() is Asn1OctetString) + { + otherCertHash = Asn1OctetString.GetInstance(seq[0]); + } + else + { + otherCertHash = DigestInfo.GetInstance(seq[0]); + } + + if (seq.Count > 1) + { + issuerSerial = IssuerSerial.GetInstance(Asn1Sequence.GetInstance(seq[1])); + } + } + + public OtherCertID( + AlgorithmIdentifier algId, + byte[] digest) + { + this.otherCertHash = new DigestInfo(algId, digest); + } + + public OtherCertID( + AlgorithmIdentifier algId, + byte[] digest, + IssuerSerial issuerSerial) + { + this.otherCertHash = new DigestInfo(algId, digest); + this.issuerSerial = issuerSerial; + } + + public AlgorithmIdentifier AlgorithmHash + { + get + { + if (otherCertHash.ToAsn1Object() is Asn1OctetString) + { + // SHA-1 + return new AlgorithmIdentifier("1.3.14.3.2.26"); + } + + return DigestInfo.GetInstance(otherCertHash).AlgorithmID; + } + } + + public byte[] GetCertHash() + { + if (otherCertHash.ToAsn1Object() is Asn1OctetString) + { + // SHA-1 + return ((Asn1OctetString) otherCertHash.ToAsn1Object()).GetOctets(); + } + + return DigestInfo.GetInstance(otherCertHash).GetDigest(); + } + + public IssuerSerial IssuerSerial + { + get { return issuerSerial; } + } + + /** + * <pre> + * OtherCertID ::= SEQUENCE { + * otherCertHash OtherHash, + * issuerSerial IssuerSerial OPTIONAL } + * + * OtherHash ::= CHOICE { + * sha1Hash OCTET STRING, + * otherHash OtherHashAlgAndValue } + * + * OtherHashAlgAndValue ::= SEQUENCE { + * hashAlgorithm AlgorithmIdentifier, + * hashValue OCTET STRING } + * + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + Asn1EncodableVector v = new Asn1EncodableVector(otherCertHash); + + if (issuerSerial != null) + { + v.Add(issuerSerial); + } + + return new DerSequence(v); + } + } +} |