add all

2026-06-15 18:18:16 +08:00
parent 97c9fba14e
commit 2b9f134e5f
4164 changed files with 386922 additions and 79 deletions
--- a/Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/cms/KEKRecipientInfoGenerator.cs
+++ b/Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/cms/KEKRecipientInfoGenerator.cs
@@ -0,0 +1,142 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Kisa;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Ntt;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Security;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Cms
+{
+	internal class KekRecipientInfoGenerator : RecipientInfoGenerator
+	{
+		private static readonly CmsEnvelopedHelper Helper = CmsEnvelopedHelper.Instance;
+
+		private KeyParameter	keyEncryptionKey;
+		// TODO Can get this from keyEncryptionKey?		
+		private string			keyEncryptionKeyOID;
+		private KekIdentifier	kekIdentifier;
+
+		// Derived
+		private AlgorithmIdentifier keyEncryptionAlgorithm;
+
+		internal KekRecipientInfoGenerator()
+		{
+		}
+
+		internal KekIdentifier KekIdentifier
+		{
+			set { this.kekIdentifier = value; }
+		}
+
+		internal KeyParameter KeyEncryptionKey
+		{
+			set
+			{
+				this.keyEncryptionKey = value;
+				this.keyEncryptionAlgorithm = DetermineKeyEncAlg(keyEncryptionKeyOID, keyEncryptionKey);
+			}
+		}
+
+		internal string KeyEncryptionKeyOID
+		{
+			set { this.keyEncryptionKeyOID = value; }
+		}
+
+		public RecipientInfo Generate(KeyParameter contentEncryptionKey, SecureRandom random)
+		{
+			byte[] keyBytes = contentEncryptionKey.GetKey();
+
+            IWrapper keyWrapper = Helper.CreateWrapper(keyEncryptionAlgorithm.Algorithm.Id);
+			keyWrapper.Init(true, new ParametersWithRandom(keyEncryptionKey, random));
+        	Asn1OctetString encryptedKey = new DerOctetString(
+				keyWrapper.Wrap(keyBytes, 0, keyBytes.Length));
+
+			return new RecipientInfo(new KekRecipientInfo(kekIdentifier, keyEncryptionAlgorithm, encryptedKey));
+		}
+
+		private static AlgorithmIdentifier DetermineKeyEncAlg(
+			string algorithm, KeyParameter key)
+		{
+			if (Org.BouncyCastle.Utilities.Platform.StartsWith(algorithm, "DES"))
+			{
+				return new AlgorithmIdentifier(
+					PkcsObjectIdentifiers.IdAlgCms3DesWrap,
+					DerNull.Instance);
+			}
+            else if (Org.BouncyCastle.Utilities.Platform.StartsWith(algorithm, "RC2"))
+			{
+				return new AlgorithmIdentifier(
+					PkcsObjectIdentifiers.IdAlgCmsRC2Wrap,
+					new DerInteger(58));
+			}
+			else if (Org.BouncyCastle.Utilities.Platform.StartsWith(algorithm, "AES"))
+			{
+				int length = key.GetKey().Length * 8;
+				DerObjectIdentifier wrapOid;
+
+				if (length == 128)
+				{
+					wrapOid = NistObjectIdentifiers.IdAes128Wrap;
+				}
+				else if (length == 192)
+				{
+					wrapOid = NistObjectIdentifiers.IdAes192Wrap;
+				}
+				else if (length == 256)
+				{
+					wrapOid = NistObjectIdentifiers.IdAes256Wrap;
+				}
+				else
+				{
+					throw new ArgumentException("illegal keysize in AES");
+				}
+
+				return new AlgorithmIdentifier(wrapOid);  // parameters absent
+			}
+			else if (Org.BouncyCastle.Utilities.Platform.StartsWith(algorithm, "SEED"))
+			{
+				// parameters absent
+				return new AlgorithmIdentifier(KisaObjectIdentifiers.IdNpkiAppCmsSeedWrap);
+			}
+			else if (Org.BouncyCastle.Utilities.Platform.StartsWith(algorithm, "CAMELLIA"))
+			{
+				int length = key.GetKey().Length * 8;
+				DerObjectIdentifier wrapOid;
+
+				if (length == 128)
+				{
+					wrapOid = NttObjectIdentifiers.IdCamellia128Wrap;
+				}
+				else if (length == 192)
+				{
+					wrapOid = NttObjectIdentifiers.IdCamellia192Wrap;
+				}
+				else if (length == 256)
+				{
+					wrapOid = NttObjectIdentifiers.IdCamellia256Wrap;
+				}
+				else
+				{
+					throw new ArgumentException("illegal keysize in Camellia");
+				}
+
+				return new AlgorithmIdentifier(wrapOid); // parameters must be absent
+			}
+			else
+			{
+				throw new ArgumentException("unknown algorithm");
+			}
+		}
+	}
+}
+#pragma warning restore
+#endif