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100 lines
4.5 KiB
100 lines
4.5 KiB
1 year ago
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using System.Collections;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Oiw;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Operators;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
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{
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internal class EnvelopedDataHelper
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{
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private static readonly IDictionary BaseCipherNames = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateHashtable();
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private static readonly IDictionary MacAlgNames = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateHashtable();
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//private static readonly IDictionary PrfDigests = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateHashtable();
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static EnvelopedDataHelper()
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{
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//PrfDigests.Add(PkcsObjectIdentifiers.IdHmacWithSha1, "SHA-1");
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//PrfDigests.Add(PkcsObjectIdentifiers.IdHmacWithSha224, "SHA-224");
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//PrfDigests.Add(PkcsObjectIdentifiers.IdHmacWithSha256, "SHA-256");
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//PrfDigests.Add(PkcsObjectIdentifiers.IdHmacWithSha384, "SHA-384");
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//PrfDigests.Add(PkcsObjectIdentifiers.IdHmacWithSha512, "SHA-512");
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BaseCipherNames.Add(PkcsObjectIdentifiers.DesEde3Cbc, "DESEDE");
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BaseCipherNames.Add(NistObjectIdentifiers.IdAes128Cbc, "AES");
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BaseCipherNames.Add(NistObjectIdentifiers.IdAes192Cbc, "AES");
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BaseCipherNames.Add(NistObjectIdentifiers.IdAes256Cbc, "AES");
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MacAlgNames.Add(PkcsObjectIdentifiers.DesEde3Cbc, "DESEDEMac");
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MacAlgNames.Add(NistObjectIdentifiers.IdAes128Cbc, "AESMac");
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MacAlgNames.Add(NistObjectIdentifiers.IdAes192Cbc, "AESMac");
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MacAlgNames.Add(NistObjectIdentifiers.IdAes256Cbc, "AESMac");
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MacAlgNames.Add(PkcsObjectIdentifiers.RC2Cbc, "RC2Mac");
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}
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//internal static IDigest GetPrf(AlgorithmIdentifier algID)
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//{
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// string digestName = (string)PrfDigests[algID];
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// return DigestUtilities.GetDigest(digestName);
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//}
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//internal static IWrapper CreateRfc3211Wrapper(DerObjectIdentifier algorithm)
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//{
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// if (NistObjectIdentifiers.IdAes128Cbc.Equals(algorithm)
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// || NistObjectIdentifiers.IdAes192Cbc.Equals(algorithm)
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// || NistObjectIdentifiers.IdAes256Cbc.Equals(algorithm))
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// {
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// return new Rfc3211WrapEngine(new AesEngine());
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// }
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// else if (PkcsObjectIdentifiers.DesEde3Cbc.Equals(algorithm))
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// {
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// return new Rfc3211WrapEngine(new DesEdeEngine());
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// }
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// else if (OiwObjectIdentifiers.DesCbc.Equals(algorithm))
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// {
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// return new Rfc3211WrapEngine(new DesEngine());
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// }
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// else if (PkcsObjectIdentifiers.RC2Cbc.Equals(algorithm))
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// {
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// return new Rfc3211WrapEngine(new RC2Engine());
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// }
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// else
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// {
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// throw new CmsException("cannot recognise wrapper: " + algorithm);
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// }
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//}
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public static object CreateContentCipher(bool forEncryption, ICipherParameters encKey,
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AlgorithmIdentifier encryptionAlgID)
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{
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return CipherFactory.CreateContentCipher(forEncryption, encKey, encryptionAlgID);
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}
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public AlgorithmIdentifier GenerateEncryptionAlgID(DerObjectIdentifier encryptionOID, KeyParameter encKey, SecureRandom random)
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{
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return AlgorithmIdentifierFactory.GenerateEncryptionAlgID(encryptionOID, encKey.GetKey().Length * 8, random);
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}
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public CipherKeyGenerator CreateKeyGenerator(DerObjectIdentifier algorithm, SecureRandom random)
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{
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return CipherKeyGeneratorFactory.CreateKeyGenerator(algorithm, random);
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}
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}
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}
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#pragma warning restore
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#endif
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