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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/pkix/PkixAttrCertPathValidator.cs

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+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.X509;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.X509.Store;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Pkix
+{
+	/**
+	* CertPathValidatorSpi implementation for X.509 Attribute Certificates la RFC 3281.
+	* 
+	* @see org.bouncycastle.x509.ExtendedPkixParameters
+	*/
+	public class PkixAttrCertPathValidator
+	//    extends CertPathValidatorSpi
+	{
+		/**
+		* Validates an attribute certificate with the given certificate path.
+		* 
+		* <p>
+		* <code>params</code> must be an instance of
+		* <code>ExtendedPkixParameters</code>.
+		* </p><p>
+		* The target constraints in the <code>params</code> must be an
+		* <code>X509AttrCertStoreSelector</code> with at least the attribute
+		* certificate criterion set. Obey that also target informations may be
+		* necessary to correctly validate this attribute certificate.
+		* </p><p>
+		* The attribute certificate issuer must be added to the trusted attribute
+		* issuers with {@link ExtendedPkixParameters#setTrustedACIssuers(Set)}.
+		* </p>
+		* @param certPath The certificate path which belongs to the attribute
+		*            certificate issuer public key certificate.
+		* @param params The PKIX parameters.
+		* @return A <code>PKIXCertPathValidatorResult</code> of the result of
+		*         validating the <code>certPath</code>.
+		* @throws InvalidAlgorithmParameterException if <code>params</code> is
+		*             inappropriate for this validator.
+		* @throws CertPathValidatorException if the verification fails.
+		*/
+		public virtual PkixCertPathValidatorResult Validate(PkixCertPath certPath, PkixParameters pkixParams)
+		{
+			if (!(pkixParams.GetTargetConstraintsAttrCert() is X509AttrCertStoreSelector attrCertSelector))
+			{
+				throw new ArgumentException(
+					"TargetConstraints must be an instance of " + typeof(X509AttrCertStoreSelector).FullName,
+					nameof(pkixParams));
+			}
+
+			var attrCert = attrCertSelector.AttributeCert;
+			PkixCertPath holderCertPath = Rfc3281CertPathUtilities.ProcessAttrCert1(attrCert, pkixParams);
+			PkixCertPathValidatorResult result = Rfc3281CertPathUtilities.ProcessAttrCert2(certPath, pkixParams);
+			X509Certificate issuerCert = (X509Certificate)certPath.Certificates[0];
+			Rfc3281CertPathUtilities.ProcessAttrCert3(issuerCert, pkixParams);
+			Rfc3281CertPathUtilities.ProcessAttrCert4(issuerCert, pkixParams);
+			Rfc3281CertPathUtilities.ProcessAttrCert5(attrCert, pkixParams);
+			// 6 already done in X509AttrCertStoreSelector
+			Rfc3281CertPathUtilities.ProcessAttrCert7(attrCert, certPath, holderCertPath, pkixParams);
+			Rfc3281CertPathUtilities.AdditionalChecks(attrCert, pkixParams);
+			DateTime date;
+			try
+			{
+				date = PkixCertPathValidatorUtilities.GetValidCertDateFromValidityModel(pkixParams, null, -1);
+			}
+			catch (Exception e)
+			{
+				throw new PkixCertPathValidatorException(
+					"Could not get validity date from attribute certificate.", e);
+			}
+			Rfc3281CertPathUtilities.CheckCrls(attrCert, pkixParams, issuerCert, date, certPath.Certificates);
+			return result;
+		}
+	}
+}
+#pragma warning restore
+#endif