Initial merge of PQC port

1 files changed, 18 insertions, 0 deletions

diff --git a/crypto/src/pkcs/PrivateKeyInfoFactory.cs b/crypto/src/pkcs/PrivateKeyInfoFactory.cs
index f610c1406..e138141e3 100644
--- a/crypto/src/pkcs/PrivateKeyInfoFactory.cs
+++ b/crypto/src/pkcs/PrivateKeyInfoFactory.cs
@@ -13,6 +13,9 @@ using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.Crypto.Generators;
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Pqc.Asn1;
+using Org.BouncyCastle.Pqc.Crypto.Cmce;
+using Org.BouncyCastle.Pqc.Crypto.Utilities;
 using Org.BouncyCastle.Security;
 using Org.BouncyCastle.Utilities;
 
@@ -243,6 +246,21 @@ namespace Org.BouncyCastle.Pkcs
                 return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_Ed25519),
                     new DerOctetString(key.GetEncoded()), attributes, key.GeneratePublicKey().GetEncoded());
             }
+            
+            if (privateKey is CmcePrivateKeyParameters)
+            {
+                CmcePrivateKeyParameters parameters = (CmcePrivateKeyParameters)privateKey;
+
+                byte[] encoding = parameters.GetEncoded();
+
+                AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PqcUtilities.McElieceOidLookup(parameters.Parameters));
+
+                CmcePublicKey cmcePub = new CmcePublicKey(parameters.ReconstructPublicKey());
+                CmcePrivateKey cmcePriv = new CmcePrivateKey(0, parameters.Delta, parameters.C, parameters.G, parameters.Alpha, parameters.S, cmcePub);
+                return new PrivateKeyInfo(algorithmIdentifier, cmcePriv, attributes);
+            }
+            
+            
 
             throw new ArgumentException("Class provided is not convertible: " + Platform.GetTypeName(privateKey));
         }