Exemple #1
0
        /// <summary>
        /// 解密
        /// </summary>
        /// <param name="password">密文密码</param>
        /// <param name="key">用GenerateKey生成的密钥或自定义密钥,如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
        /// <returns>明文密码</returns>
        public static string Decrypt(string password, string key = "")
        {
            string result = "";

            var decrypt = Convert.FromBase64String(password);

            using (var rm = new RijndaelManaged())
            {
                key          = string.IsNullOrEmpty(key) ? KEY : key;
                rm.KeySize   = 256;
                rm.BlockSize = 128;
                rm.Key       = KeyGen.GenerateValidKey(key, 16, 32);
                rm.Mode      = CipherMode.ECB;
                rm.Padding   = PaddingMode.PKCS7;

                using (var decryptor = rm.CreateDecryptor())
                {
                    var blocks = decryptor.TransformFinalBlock(decrypt, 0, decrypt.Length);
                    result = Encoding.UTF8.GetString(blocks, 0, blocks.Length);
                }
            }

            // 返回明文密码
            return(result);
        }
Exemple #2
0
        /// <summary>
        /// 解密
        /// </summary>
        /// <param name="password">密文密码</param>
        /// <param name="key">用GenerateKey生成的密钥或自定义密钥,如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
        /// <returns>明文密码</returns>
        public static string Decrypt(string password, string key = "")
        {
            string result = "";

            var decrypt = Convert.FromBase64String(password);

            using (var des = TripleDES.Create())
            {
                key           = string.IsNullOrEmpty(key) ? KEY : key;
                des.KeySize   = 192;
                des.BlockSize = 64;
                des.Key       = KeyGen.GenerateValidKey(key, 24, 24);
                des.Mode      = CipherMode.ECB;
                des.Padding   = PaddingMode.PKCS7;

                using (var decryptor = des.CreateDecryptor())
                {
                    var blocks = decryptor.TransformFinalBlock(decrypt, 0, decrypt.Length);
                    result = Encoding.UTF8.GetString(blocks, 0, blocks.Length);
                }
            }

            // 返回明文密码
            return(result);
        }
Exemple #3
0
        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="data">数据</param>
        /// <param name="key">用GenerateKey生成的密钥或自定义密钥,如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
        /// <returns>密文数据</returns>
        public static byte[] Encrypt(byte[] data, string key = "")
        {
            using (var rm = new RijndaelManaged())
            {
                key          = string.IsNullOrEmpty(key) ? KEY : key;
                rm.KeySize   = 256;
                rm.BlockSize = 128;
                rm.Key       = KeyGen.GenerateValidKey(key, 16, 32);
                rm.Mode      = CipherMode.ECB;
                rm.Padding   = PaddingMode.PKCS7;

                using (var encryptor = rm.CreateEncryptor())
                {
                    return(encryptor.TransformFinalBlock(data, 0, data.Length));
                }
            }
        }
Exemple #4
0
        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="data">数据</param>
        /// <param name="key">用GenerateKey生成的密钥或自定义密钥,如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
        /// <returns>密文数据</returns>
        public static byte[] Encrypt(byte[] data, string key = "")
        {
            using (var des = TripleDES.Create())
            {
                key           = string.IsNullOrEmpty(key) ? KEY : key;
                des.KeySize   = 192;
                des.BlockSize = 64;
                des.Key       = KeyGen.GenerateValidKey(key, 24, 24);
                des.Mode      = CipherMode.ECB;
                des.Padding   = PaddingMode.PKCS7;

                using (var encryptor = des.CreateEncryptor())
                {
                    return(encryptor.TransformFinalBlock(data, 0, data.Length));
                }
            }
        }