1 files changed, 58 insertions, 0 deletions
diff --git a/crypto/src/crmf/PkiArchiveControlBuilder.cs b/crypto/src/crmf/PkiArchiveControlBuilder.cs
new file mode 100644
index 000000000..2677e4e0d
--- /dev/null
+++ b/crypto/src/crmf/PkiArchiveControlBuilder.cs
@@ -0,0 +1,58 @@
+using System;
+using System.IO;
+using Org.BouncyCastle.Asn1.Cms;
+using Org.BouncyCastle.Asn1.Crmf;
+using Org.BouncyCastle.Asn1.Pkcs;
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Cms;
+using Org.BouncyCastle.Crypto;
+
+namespace Org.BouncyCastle.Crmf
+{
+ public class PkiArchiveControlBuilder
+ {
+ private CmsEnvelopedDataGenerator envGen;
+ private CmsProcessableByteArray keyContent;
+
+ /// <summary>
+ ///Basic constructor - specify the contents of the PKIArchiveControl structure.
+ /// </summary>
+ /// <param name="privateKeyInfo">the private key to be archived.</param>
+ /// <param name="generalName">the general name to be associated with the private key.</param>
+ ///
+ public PkiArchiveControlBuilder(PrivateKeyInfo privateKeyInfo, GeneralName generalName)
+ {
+ EncKeyWithID encKeyWithID = new EncKeyWithID(privateKeyInfo, generalName);
+
+ try
+ {
+ this.keyContent = new CmsProcessableByteArray(CrmfObjectIdentifiers.id_ct_encKeyWithID, encKeyWithID.GetEncoded());
+ }
+ catch (IOException e)
+ {
+ throw new InvalidOperationException("unable to encode key and general name info");
+ }
+
+ this.envGen = new CmsEnvelopedDataGenerator();
+ }
+
+ ///<summary>Add a recipient generator to this control.</summary>
+ ///<param name="recipientGen"> recipient generator created for a specific recipient.</param>
+ ///<returns>this builder object.</returns>
+ public PkiArchiveControlBuilder AddRecipientGenerator(RecipientInfoGenerator recipientGen)
+ {
+ envGen.AddRecipientInfoGenerator(recipientGen);
+ return this;
+ }
+
+ /// <summary>Build the PKIArchiveControl using the passed in encryptor to encrypt its contents.</summary>
+ /// <param name="contentEncryptor">a suitable content encryptor.</param>
+ /// <returns>a PKIArchiveControl object.</returns>
+ public PkiArchiveControl Build(ICipherBuilderWithKey contentEncryptor)
+ {
+ CmsEnvelopedData envContent = envGen.Generate(keyContent, contentEncryptor);
+ EnvelopedData envD = EnvelopedData.GetInstance(envContent.ContentInfo.Content);
+ return new PkiArchiveControl(new PkiArchiveOptions(new EncryptedKey(envD)));
+ }
+ }
+}
\ No newline at end of file
|
