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authorPeter Dettman <peter.dettman@bouncycastle.org>2013-06-28 15:26:06 +0700
committerPeter Dettman <peter.dettman@bouncycastle.org>2013-06-28 15:26:06 +0700
commit44288db4414158ac9b98a507b15e81d0d3c66ca6 (patch)
treeaa5ef88948ebb68ed6c8df81eb5da889641a9b50 /crypto/src/pkcs/Pkcs10CertificationRequestDelaySigned.cs
parentSet up text/binary handling for existing file types (diff)
downloadBouncyCastle.NET-ed25519-44288db4414158ac9b98a507b15e81d0d3c66ca6.tar.xz
Initial import of old CVS repository
Diffstat (limited to 'crypto/src/pkcs/Pkcs10CertificationRequestDelaySigned.cs')
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+using System;
+using System.Collections;
+using System.Globalization;
+using System.IO;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.CryptoPro;
+using Org.BouncyCastle.Asn1.Nist;
+using Org.BouncyCastle.Asn1.Oiw;
+using Org.BouncyCastle.Asn1.Pkcs;
+using Org.BouncyCastle.Asn1.TeleTrust;
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Asn1.X9;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Security;
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.Collections;
+using Org.BouncyCastle.X509;
+
+namespace Org.BouncyCastle.Pkcs
+{
+	/// <remarks>
+	/// A class for creating and verifying Pkcs10 Certification requests (this is an extension on <see cref="Pkcs10CertificationRequest"/>).
+	/// The requests are made using delay signing. This is useful for situations where
+	/// the private key is in another environment and not directly accessible (e.g. HSM)
+	/// So the first step creates the request, then the signing is done outside this
+	/// object and the signature is then used to complete the request.
+	/// </remarks>
+	/// <code>
+	/// CertificationRequest ::= Sequence {
+	///   certificationRequestInfo  CertificationRequestInfo,
+	///   signatureAlgorithm        AlgorithmIdentifier{{ SignatureAlgorithms }},
+	///   signature                 BIT STRING
+	/// }
+	///
+	/// CertificationRequestInfo ::= Sequence {
+	///   version             Integer { v1(0) } (v1,...),
+	///   subject             Name,
+	///   subjectPKInfo   SubjectPublicKeyInfo{{ PKInfoAlgorithms }},
+	///   attributes          [0] Attributes{{ CRIAttributes }}
+	///  }
+	///
+	///  Attributes { ATTRIBUTE:IOSet } ::= Set OF Attr{{ IOSet }}
+	///
+	///  Attr { ATTRIBUTE:IOSet } ::= Sequence {
+	///    type    ATTRIBUTE.&amp;id({IOSet}),
+	///    values  Set SIZE(1..MAX) OF ATTRIBUTE.&amp;Type({IOSet}{\@type})
+	///  }
+	/// </code>
+	/// see <a href="http://www.rsasecurity.com/rsalabs/node.asp?id=2132"/>
+	public class Pkcs10CertificationRequestDelaySigned : Pkcs10CertificationRequest
+	{
+		protected Pkcs10CertificationRequestDelaySigned()
+			: base()
+		{
+		}
+		public Pkcs10CertificationRequestDelaySigned(
+			byte[] encoded)
+			: base(encoded)
+		{
+		}
+		public Pkcs10CertificationRequestDelaySigned(
+			Asn1Sequence seq)
+			: base(seq)
+		{
+		}
+		public Pkcs10CertificationRequestDelaySigned(
+			Stream input)
+			: base(input)
+		{
+		}
+		public Pkcs10CertificationRequestDelaySigned(
+			string					signatureAlgorithm,
+			X509Name				subject,
+			AsymmetricKeyParameter	publicKey,
+			Asn1Set					attributes,
+			AsymmetricKeyParameter	signingKey)
+			: base(signatureAlgorithm, subject, publicKey, attributes, signingKey)
+		{
+		}
+		/// <summary>
+		/// Instantiate a Pkcs10CertificationRequest object with the necessary credentials.
+		/// </summary>
+		/// <param name="signatureAlgorithm">Name of Sig Alg.</param>
+		/// <param name="subject">X509Name of subject eg OU="My unit." O="My Organisatioin" C="au" </param>
+		/// <param name="publicKey">Public Key to be included in cert reqest.</param>
+		/// <param name="attributes">ASN1Set of Attributes.</param>
+		/// <remarks>
+        /// After the object is constructed use the <see cref="GetDataToSign"/> and finally the
+        /// SignRequest methods to finalize the request.
+		/// </remarks>
+		public Pkcs10CertificationRequestDelaySigned(
+			string					signatureAlgorithm,
+			X509Name				subject,
+			AsymmetricKeyParameter	publicKey,
+			Asn1Set					attributes)
+		{
+			if (signatureAlgorithm == null)
+				throw new ArgumentNullException("signatureAlgorithm");
+			if (subject == null)
+				throw new ArgumentNullException("subject");
+			if (publicKey == null)
+				throw new ArgumentNullException("publicKey");
+			if (publicKey.IsPrivate)
+				throw new ArgumentException("expected public key", "publicKey");
+//			DerObjectIdentifier sigOid = SignerUtilities.GetObjectIdentifier(signatureAlgorithm);
+			string algorithmName = Platform.ToUpperInvariant(signatureAlgorithm);
+			DerObjectIdentifier sigOid = (DerObjectIdentifier) algorithms[algorithmName];
+			if (sigOid == null)
+			{
+				try
+				{
+					sigOid = new DerObjectIdentifier(algorithmName);
+				}
+				catch (Exception e)
+				{
+					throw new ArgumentException("Unknown signature type requested", e);
+				}
+			}
+			if (noParams.Contains(sigOid))
+			{
+				this.sigAlgId = new AlgorithmIdentifier(sigOid);
+			}
+			else if (exParams.Contains(algorithmName))
+			{
+				this.sigAlgId = new AlgorithmIdentifier(sigOid, (Asn1Encodable) exParams[algorithmName]);
+			}
+			else
+			{
+				this.sigAlgId = new AlgorithmIdentifier(sigOid, DerNull.Instance);
+			}
+			SubjectPublicKeyInfo pubInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(publicKey);
+			this.reqInfo = new CertificationRequestInfo(subject, pubInfo, attributes);
+		}
+		public byte[] GetDataToSign()
+		{
+			return reqInfo.GetDerEncoded();
+		}
+		public void SignRequest(byte[] signedData)
+		{
+			//build the signature from the signed data
+			sigBits = new DerBitString(signedData);
+		}
+		public void SignRequest(DerBitString signedData)
+		{
+			//build the signature from the signed data
+			sigBits = signedData;
+		}
+	}
+}