diff options
Diffstat (limited to 'crypto/src/asn1/isismtt/ocsp/CertHash.cs')
| -rw-r--r-- | crypto/src/asn1/isismtt/ocsp/CertHash.cs | 83 |
1 files changed, 33 insertions, 50 deletions
diff --git a/crypto/src/asn1/isismtt/ocsp/CertHash.cs b/crypto/src/asn1/isismtt/ocsp/CertHash.cs index be9fbd608..c5d223c15 100644 --- a/crypto/src/asn1/isismtt/ocsp/CertHash.cs +++ b/crypto/src/asn1/isismtt/ocsp/CertHash.cs @@ -5,7 +5,7 @@ using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp { - /** + /** * ISIS-MTT PROFILE: The responder may include this extension in a response to * send the hash of the requested certificate to the responder. This hash is * cryptographically bound to the certificate and serves as evidence that the @@ -25,29 +25,28 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp * } * </pre> */ - public class CertHash + public class CertHash : Asn1Encodable { - private readonly AlgorithmIdentifier hashAlgorithm; - private readonly byte[] certificateHash; + public static CertHash GetInstance(object obj) + { + if (obj == null) + return null; + if (obj is CertHash certHash) + return certHash; + return new CertHash(Asn1Sequence.GetInstance(obj)); + } - public static CertHash GetInstance( - object obj) - { - if (obj == null || obj is CertHash) - { - return (CertHash) obj; - } + public static CertHash GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) => + new CertHash(Asn1Sequence.GetInstance(taggedObject, declaredExplicit)); - if (obj is Asn1Sequence) - { - return new CertHash((Asn1Sequence) obj); - } + public static CertHash GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) => + new CertHash(Asn1Sequence.GetTagged(taggedObject, declaredExplicit)); - throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj"); - } + private readonly AlgorithmIdentifier m_hashAlgorithm; + private readonly Asn1OctetString m_certificateHash; - /** + /** * Constructor from Asn1Sequence. * <p/> * The sequence is of type CertHash: @@ -61,44 +60,31 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp * * @param seq The ASN.1 sequence. */ - private CertHash( - Asn1Sequence seq) - { - if (seq.Count != 2) - throw new ArgumentException("Bad sequence size: " + seq.Count); + private CertHash(Asn1Sequence seq) + { + int count = seq.Count; + if (count != 2) + throw new ArgumentException("Bad sequence size: " + count, nameof(seq)); - this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]); - this.certificateHash = Asn1OctetString.GetInstance(seq[1]).GetOctets(); - } + m_hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]); + m_certificateHash = Asn1OctetString.GetInstance(seq[1]); + } - /** + /** * Constructor from a given details. * * @param hashAlgorithm The hash algorithm identifier. * @param certificateHash The hash of the whole DER encoding of the certificate. */ - public CertHash( - AlgorithmIdentifier hashAlgorithm, - byte[] certificateHash) - { - if (hashAlgorithm == null) - throw new ArgumentNullException("hashAlgorithm"); - if (certificateHash == null) - throw new ArgumentNullException("certificateHash"); - - this.hashAlgorithm = hashAlgorithm; - this.certificateHash = (byte[]) certificateHash.Clone(); + public CertHash(AlgorithmIdentifier hashAlgorithm, byte[] certificateHash) + { + m_hashAlgorithm = hashAlgorithm ?? throw new ArgumentNullException(nameof(hashAlgorithm)); + m_certificateHash = new DerOctetString(certificateHash); } - public AlgorithmIdentifier HashAlgorithm - { - get { return hashAlgorithm; } - } + public AlgorithmIdentifier HashAlgorithm => m_hashAlgorithm; - public byte[] CertificateHash - { - get { return (byte[]) certificateHash.Clone(); } - } + public byte[] CertificateHash => Arrays.Clone(m_certificateHash.GetOctets()); /** * Produce an object suitable for an Asn1OutputStream. @@ -114,9 +100,6 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp * * @return an Asn1Object */ - public override Asn1Object ToAsn1Object() - { - return new DerSequence(hashAlgorithm, new DerOctetString(certificateHash)); - } + public override Asn1Object ToAsn1Object() => new DerSequence(m_hashAlgorithm, m_certificateHash); } } |