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authorMW <megan@cryptoworkshop.com>2019-01-19 18:23:46 +1100
committerMW <megan@cryptoworkshop.com>2019-01-19 18:23:46 +1100
commitcf14c29752d40edd22fcdc20bddb5643ba32b1dd (patch)
tree7c6e92a11fd4aad9a60b2241ff13fac54c602860 /crypto
parentUpdated to use nominated digtest. (diff)
downloadBouncyCastle.NET-ed25519-cf14c29752d40edd22fcdc20bddb5643ba32b1dd.tar.xz
Selecting digest.
Diffstat (limited to 'crypto')
-rw-r--r--crypto/src/cms/KeyTransRecipientInformation.cs14
-rw-r--r--crypto/test/src/crmf/test/CrmfTest.cs10
2 files changed, 15 insertions, 9 deletions
diff --git a/crypto/src/cms/KeyTransRecipientInformation.cs b/crypto/src/cms/KeyTransRecipientInformation.cs
index 3b1ea7b5e..7d2f072b5 100644
--- a/crypto/src/cms/KeyTransRecipientInformation.cs
+++ b/crypto/src/cms/KeyTransRecipientInformation.cs
@@ -55,12 +55,18 @@ namespace Org.BouncyCastle.Cms
         }
 
 		private string GetExchangeEncryptionAlgorithmName(
-			DerObjectIdentifier oid)
+			AlgorithmIdentifier algo)
 		{
-			if (Asn1Pkcs.PkcsObjectIdentifiers.RsaEncryption.Equals(oid))
+		    DerObjectIdentifier oid = algo.Algorithm;
+
+            if (Asn1Pkcs.PkcsObjectIdentifiers.RsaEncryption.Equals(oid))
 			{
 				return "RSA//PKCS1Padding";
-			}
+			} else if (Asn1Pkcs.PkcsObjectIdentifiers.IdRsaesOaep.Equals(oid))
+            {
+                 Asn1Pkcs.RsaesOaepParameters rsaParams = Asn1Pkcs.RsaesOaepParameters.GetInstance(algo.Parameters);                       
+                return "RSA//OAEPWITH"+DigestUtilities.GetAlgorithmName(rsaParams.HashAlgorithm.Algorithm)+"ANDMGF1Padding";
+            }
 
 			return oid.Id;
 		}
@@ -68,7 +74,7 @@ namespace Org.BouncyCastle.Cms
 		internal KeyParameter UnwrapKey(ICipherParameters key)
 		{
 			byte[] encryptedKey = info.EncryptedKey.GetOctets();
-            string keyExchangeAlgorithm = GetExchangeEncryptionAlgorithmName(keyEncAlg.Algorithm);
+            string keyExchangeAlgorithm = GetExchangeEncryptionAlgorithmName(keyEncAlg);
 
 			try
 			{
diff --git a/crypto/test/src/crmf/test/CrmfTest.cs b/crypto/test/src/crmf/test/CrmfTest.cs
index 5e05695f4..b1f18cc7b 100644
--- a/crypto/test/src/crmf/test/CrmfTest.cs
+++ b/crypto/test/src/crmf/test/CrmfTest.cs
@@ -114,7 +114,7 @@ namespace Org.BouncyCastle.Crmf.Tests
             certificateRequestMessageBuilder.SetPublicKey(publicKeyInfo);
            
             certificateRequestMessageBuilder.AddControl(
-                new PKIArchiveControlBuilder(privateInfo, new GeneralName(new X509Name("CN=Test")))
+                new PkiArchiveControlBuilder(privateInfo, new GeneralName(new X509Name("CN=Test")))
                     .AddRecipientGenerator(new CmsKeyTransRecipientInfoGenerator(cert, new Asn1KeyWrapper("RSA/None/OAEPwithSHA256andMGF1Padding", cert)))
                     .Build(new CmsContentEncryptorBuilder(NistObjectIdentifiers.IdAes128Cbc).Build())
             );
@@ -126,7 +126,7 @@ namespace Org.BouncyCastle.Crmf.Tests
 
             checkCertReqMsgWithArchiveControl(rsaKeyPair,msg);
             checkCertReqMsgWithArchiveControl(rsaKeyPair, new CertificateRequestMessage(msg.GetEncoded()));
-    
+         
         }
 
         [Test]
@@ -172,13 +172,13 @@ namespace Org.BouncyCastle.Crmf.Tests
             KeyTransRecipientInformation info = (KeyTransRecipientInformation)collection[0];
 
             EncKeyWithID encKeyWithId = EncKeyWithID.GetInstance(info.GetContent(kp.Private));
-           
+                   
+
             IsTrue(encKeyWithId.HasIdentifier);
             IsTrue(!encKeyWithId.IsIdentifierUtf8String); // GeneralName at this point.
-
             
             IsTrue("Name", X509Name.GetInstance(GeneralName.GetInstance(encKeyWithId.Identifier).Name).Equivalent(new X509Name("CN=Test")));
-
+          
             PrivateKeyInfo privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(kp.Private);
             IsTrue("Private Key", Arrays.AreEqual(privateKeyInfo.GetEncoded(), encKeyWithId.PrivateKey.GetEncoded()));