Org.BouncyCastle.Tsp.TimeStampRequest.GetMessageImprintDigest C# (CSharp) 메소드

		public byte[] GetMessageImprintDigest()
		{
			return req.MessageImprint.GetHashedMessage();
		}

        /**
         * Check this response against to see if it a well formed response for
         * the passed in request. Validation will include checking the time stamp
         * token if the response status is GRANTED or GRANTED_WITH_MODS.
         *
         * @param request the request to be checked against
         * @throws TspException if the request can not match this response.
         */
        public void Validate(
            TimeStampRequest request)
        {
            TimeStampToken tok = this.TimeStampToken;

            if (tok != null)
            {
                TimeStampTokenInfo tstInfo = tok.TimeStampInfo;

                if (request.Nonce != null && !request.Nonce.Equals(tstInfo.Nonce))
                {
                    throw new TspValidationException("response contains wrong nonce value.");
                }

                if (this.Status != (int)PkiStatus.Granted && this.Status != (int)PkiStatus.GrantedWithMods)
                {
                    throw new TspValidationException("time stamp token found in failed request.");
                }

                if (!Arrays.ConstantTimeAreEqual(request.GetMessageImprintDigest(), tstInfo.GetMessageImprintDigest()))
                {
                    throw new TspValidationException("response for different message imprint digest.");
                }

                if (!tstInfo.MessageImprintAlgOid.Equals(request.MessageImprintAlgOid))
                {
                    throw new TspValidationException("response for different message imprint algorithm.");
                }

                Asn1.Cms.Attribute scV1 = tok.SignedAttributes[PkcsObjectIdentifiers.IdAASigningCertificate];
                Asn1.Cms.Attribute scV2 = tok.SignedAttributes[PkcsObjectIdentifiers.IdAASigningCertificateV2];

                if (scV1 == null && scV2 == null)
                {
                    throw new TspValidationException("no signing certificate attribute present.");
                }

                if (scV1 != null && scV2 != null)
                {
                    /*
                     * RFC 5035 5.4. If both attributes exist in a single message,
                     * they are independently evaluated.
                     */
                }

                if (request.ReqPolicy != null && !request.ReqPolicy.Equals(tstInfo.Policy))
                {
                    throw new TspValidationException("TSA policy wrong for request.");
                }
            }
            else if (this.Status == (int)PkiStatus.Granted || this.Status == (int)PkiStatus.GrantedWithMods)
            {
                throw new TspValidationException("no time stamp token found and one expected.");
            }
        }