C# (CSharp) RsaJwk.SupportKeyManagement示例

示例#1

        public RsaKeyWrapper(RsaJwk key, EncryptionAlgorithm encryptionAlgorithm, KeyManagementAlgorithm algorithm)
            : base(encryptionAlgorithm, algorithm)
        {
            Debug.Assert(key.SupportKeyManagement(algorithm));
            Debug.Assert(algorithm.Category == AlgorithmCategory.Rsa);
            _key = key;
#if SUPPORT_SPAN_CRYPTO
            _rsa = RSA.Create(key.ExportParameters());
#else
#if NET461 || NET47
            _rsa = new RSACng();
#else
            _rsa = RSA.Create();
#endif
            _rsa.ImportParameters(key.ExportParameters());
#endif
            _padding = algorithm.Id switch
            {
                AlgorithmId.RsaOaep => RSAEncryptionPadding.OaepSHA1,
                AlgorithmId.Rsa1_5 => RSAEncryptionPadding.Pkcs1,
                AlgorithmId.RsaOaep256 => RSAEncryptionPadding.OaepSHA256,
                AlgorithmId.RsaOaep384 => RSAEncryptionPadding.OaepSHA384,
                AlgorithmId.RsaOaep512 => RSAEncryptionPadding.OaepSHA512,
                _ => throw ThrowHelper.CreateNotSupportedException_AlgorithmForKeyWrap(algorithm)
            };
        }

示例#2

        public RsaKeyUnwrapper(RsaJwk key, EncryptionAlgorithm encryptionAlgorithm, KeyManagementAlgorithm algorithm)
            : base(encryptionAlgorithm, algorithm)
        {
            Debug.Assert(key.SupportKeyManagement(algorithm));
            Debug.Assert(algorithm.Category == AlgorithmCategory.Rsa);
#if SUPPORT_SPAN_CRYPTO
            _rsa = RSA.Create(key.ExportParameters());
#else
#if NET461 || NET47
            _rsa = new RSACng();
#else
            _rsa = RSA.Create();
#endif
            _rsa.ImportParameters(key.ExportParameters());
#endif
            _padding = RsaHelper.GetEncryptionPadding(algorithm.Id);
        }