时间:2021-07-01 10:21:17 帮助过:39人阅读
本文实例为大家分享了.NET使用RSA加密解密的具体代码,供大家参考,具体内容如下
PassWordHelper.cs代码:
- using System;
- using System.IO;
- using System.Text;
- using System.Globalization;
- using System.Collections.Generic;
- using System.Security.Cryptography;
- namespace Utils
- {
- /// <summary>
- /// 密码加密解密操作相关类
- /// </summary>
- public static class PassWordHelper
- {
- #region MD5 加密
- /// <summary>
- /// MD5加密
- /// </summary>
- public static string Md532(this string source)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- MD5 md5 = MD5.Create();
- return HashAlgorithmBase(md5, source, encoding);
- }
- /// <summary>
- /// 加盐MD5加密
- /// </summary>
- public static string Md532Salt(this string source, string salt)
- {
- return string.IsNullOrEmpty(source) ? source.Md532() : (source + "『" + salt + "』").Md532();
- }
- #endregion
- #region SHA 加密
- /// <summary>
- /// SHA1 加密
- /// </summary>
- public static string Sha1(this string source)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- SHA1 sha1 = new SHA1CryptoServiceProvider();
- return HashAlgorithmBase(sha1, source, encoding);
- }
- /// <summary>
- /// SHA256 加密
- /// </summary>
- public static string Sha256(this string source)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- SHA256 sha256 = new SHA256Managed();
- return HashAlgorithmBase(sha256, source, encoding);
- }
- /// <summary>
- /// SHA512 加密
- /// </summary>
- public static string Sha512(this string source)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- SHA512 sha512 = new SHA512Managed();
- return HashAlgorithmBase(sha512, source, encoding);
- }
- #endregion
- #region HMAC 加密
- /// <summary>
- /// HmacSha1 加密
- /// </summary>
- public static string HmacSha1(this string source, string keyVal)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- byte[] keyStr = encoding.GetBytes(keyVal);
- HMACSHA1 hmacSha1 = new HMACSHA1(keyStr);
- return HashAlgorithmBase(hmacSha1, source, encoding);
- }
- /// <summary>
- /// HmacSha256 加密
- /// </summary>
- public static string HmacSha256(this string source, string keyVal)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- byte[] keyStr = encoding.GetBytes(keyVal);
- HMACSHA256 hmacSha256 = new HMACSHA256(keyStr);
- return HashAlgorithmBase(hmacSha256, source, encoding);
- }
- /// <summary>
- /// HmacSha384 加密
- /// </summary>
- public static string HmacSha384(this string source, string keyVal)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- byte[] keyStr = encoding.GetBytes(keyVal);
- HMACSHA384 hmacSha384 = new HMACSHA384(keyStr);
- return HashAlgorithmBase(hmacSha384, source, encoding);
- }
- /// <summary>
- /// HmacSha512 加密
- /// </summary>
- public static string HmacSha512(this string source, string keyVal)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- byte[] keyStr = encoding.GetBytes(keyVal);
- HMACSHA512 hmacSha512 = new HMACSHA512(keyStr);
- return HashAlgorithmBase(hmacSha512, source, encoding);
- }
- /// <summary>
- /// HmacMd5 加密
- /// </summary>
- public static string HmacMd5(this string source, string keyVal)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- byte[] keyStr = encoding.GetBytes(keyVal);
- HMACMD5 hmacMd5 = new HMACMD5(keyStr);
- return HashAlgorithmBase(hmacMd5, source, encoding);
- }
- /// <summary>
- /// HmacRipeMd160 加密
- /// </summary>
- public static string HmacRipeMd160(this string source, string keyVal)
- {
- if (string.IsNullOrEmpty(source)) return null;
- var encoding = Encoding.UTF8;
- byte[] keyStr = encoding.GetBytes(keyVal);
- HMACRIPEMD160 hmacRipeMd160 = new HMACRIPEMD160(keyStr);
- return HashAlgorithmBase(hmacRipeMd160, source, encoding);
- }
- #endregion
- #region AES 加密解密
- /// <summary>
- /// AES加密
- /// </summary>
- /// <param name="source">待加密字段</param>
- /// <param name="keyVal">密钥值</param>
- /// <param name="ivVal">加密辅助向量</param>
- /// <returns></returns>
- public static string AesStr(this string source, string keyVal, string ivVal)
- {
- var encoding = Encoding.UTF8;
- byte[] btKey = keyVal.FormatByte(encoding);
- byte[] btIv = ivVal.FormatByte(encoding);
- byte[] byteArray = encoding.GetBytes(source);
- string encrypt;
- Rijndael aes = Rijndael.Create();
- using (MemoryStream mStream = new MemoryStream())
- {
- using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateEncryptor(btKey, btIv), CryptoStreamMode.Write))
- {
- cStream.Write(byteArray, 0, byteArray.Length);
- cStream.FlushFinalBlock();
- encrypt = Convert.ToBase64String(mStream.ToArray());
- }
- }
- aes.Clear();
- return encrypt;
- }
- /// <summary>
- /// AES解密
- /// </summary>
- /// <param name="source">待加密字段</param>
- /// <param name="keyVal">密钥值</param>
- /// <param name="ivVal">加密辅助向量</param>
- /// <returns></returns>
- public static string UnAesStr(this string source, string keyVal, string ivVal)
- {
- var encoding = Encoding.UTF8;
- byte[] btKey = keyVal.FormatByte(encoding);
- byte[] btIv = ivVal.FormatByte(encoding);
- byte[] byteArray = Convert.FromBase64String(source);
- string decrypt;
- Rijndael aes = Rijndael.Create();
- using (MemoryStream mStream = new MemoryStream())
- {
- using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateDecryptor(btKey, btIv), CryptoStreamMode.Write))
- {
- cStream.Write(byteArray, 0, byteArray.Length);
- cStream.FlushFinalBlock();
- decrypt = encoding.GetString(mStream.ToArray());
- }
- }
- aes.Clear();
- return decrypt;
- }
- /// <summary>
- /// AES Byte类型 加密
- /// </summary>
- /// <param name="data">待加密明文</param>
- /// <param name="keyVal">密钥值</param>
- /// <param name="ivVal">加密辅助向量</param>
- /// <returns></returns>
- public static byte[] AesByte(this byte[] data, string keyVal, string ivVal)
- {
- byte[] bKey = new byte[32];
- Array.Copy(Encoding.UTF8.GetBytes(keyVal.PadRight(bKey.Length)), bKey, bKey.Length);
- byte[] bVector = new byte[16];
- Array.Copy(Encoding.UTF8.GetBytes(ivVal.PadRight(bVector.Length)), bVector, bVector.Length);
- byte[] cryptograph;
- Rijndael aes = Rijndael.Create();
- try
- {
- using (MemoryStream mStream = new MemoryStream())
- {
- using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateEncryptor(bKey, bVector), CryptoStreamMode.Write))
- {
- cStream.Write(data, 0, data.Length);
- cStream.FlushFinalBlock();
- cryptograph = mStream.ToArray();
- }
- }
- }
- catch
- {
- cryptograph = null;
- }
- return cryptograph;
- }
- /// <summary>
- /// AES Byte类型 解密
- /// </summary>
- /// <param name="data">待解密明文</param>
- /// <param name="keyVal">密钥值</param>
- /// <param name="ivVal">加密辅助向量</param>
- /// <returns></returns>
- public static byte[] UnAesByte(this byte[] data, string keyVal, string ivVal)
- {
- byte[] bKey = new byte[32];
- Array.Copy(Encoding.UTF8.GetBytes(keyVal.PadRight(bKey.Length)), bKey, bKey.Length);
- byte[] bVector = new byte[16];
- Array.Copy(Encoding.UTF8.GetBytes(ivVal.PadRight(bVector.Length)), bVector, bVector.Length);
- byte[] original;
- Rijndael aes = Rijndael.Create();
- try
- {
- using (MemoryStream mStream = new MemoryStream(data))
- {
- using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateDecryptor(bKey, bVector), CryptoStreamMode.Read))
- {
- using (MemoryStream originalMemory = new MemoryStream())
- {
- byte[] buffer = new byte[1024];
- int readBytes;
- while ((readBytes = cStream.Read(buffer, 0, buffer.Length)) > 0)
- {
- originalMemory.Write(buffer, 0, readBytes);
- }
- original = originalMemory.ToArray();
- }
- }
- }
- }
- catch
- {
- original = null;
- }
- return original;
- }
- #endregion
- #region RSA 加密解密
- //密钥对,请配合密钥生成工具使用『 http://download.csdn.net/detail/downiis6/9464639 』
- private const string PublicRsaKey = @"<RSAKeyValue>
- <Modulus>8Yvf/LjXRhCuOREk2CuSYvbD/RadwJ4sjHREIpQVKwkTlG3BtRgpnaMcoeLAesmwvpBWnqK4hBkYLxhRj+NEKnlGrJ+LkNMnZr0/4CMuulZFAnx7iQYaSq7Eh7kBKGLofc05CjZguYpnPNxHIv4VNx+a9tIh+hnhjrmkJLUm3l0=</Modulus>
- <Exponent>AQAB</Exponent>
- </RSAKeyValue>";
- private const string PrivateRsaKey = @"<RSAKeyValue>
- <Modulus>8Yvf/LjXRhCuOREk2CuSYvbD/RadwJ4sjHREIpQVKwkTlG3BtRgpnaMcoeLAesmwvpBWnqK4hBkYLxhRj+NEKnlGrJ+LkNMnZr0/4CMuulZFAnx7iQYaSq7Eh7kBKGLofc05CjZguYpnPNxHIv4VNx+a9tIh+hnhjrmkJLUm3l0=</Modulus>
- <Exponent>AQAB</Exponent>
- <P>/xAaa/4dtDxcEAk5koSZBPjuxqvKJikpwLA1nCm3xxAUMDVxSwQyr+SHFaCnBN9kqaNkQCY6kDCfJXFWPOj0Bw==</P>
- <Q>8m8PFVA4sO0oEKMVQxt+ivDTHFuk/W154UL3IgC9Y6bzlvYewXZSzZHmxZXXM1lFtwoYG/k+focXBITsiJepew==</Q>
- <DP>ONVSvdt6rO2CKgSUMoSfQA9jzRr8STKE3i2lVG2rSIzZosBVxTxjOvQ18WjBroFEgdQpg23BQN3EqGgvqhTSQw==</DP>
- <DQ>gfp7SsEM9AbioTDemHEoQlPly+FyrxE/9D8UAt4ErGX5WamxSaYntOGRqcOxcm1djEpULMNP90R0Wc7uhjlR+w==</DQ>
- <InverseQ>C0eBsp2iMOxWwKo+EzkHOP0H+YOitUVgjekGXmSt9a3TvikQNaJ5ATlqKsZaMGsnB6UIHei+kUaCusVX0HgQ2A==</InverseQ>
- <D>tPYxEfo9Nb3LeO+SJe3G1yO+w37NIwCdqYB1h15f2YUMSThNVmpKy1HnYpUp1RQDuVETw/duu3C9gJL8kAsZBjBrVZ0zC/JZsgvSNprfUK3Asc4FgFsGfQGKW1nvvgdMbvqr4ClB0R8czkki+f9Oc5ea/RMqXxlI+XjzMYDEknU=</D>
- </RSAKeyValue>";
- /// <summary>
- /// RSA 加密
- /// </summary>
- public static string Rsa(this string source)
- {
- RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
- rsa.FromXmlString(PublicRsaKey);
- var cipherbytes = rsa.Encrypt(Encoding.UTF8.GetBytes(source), true);
- return Convert.ToBase64String(cipherbytes);
- }
- /// <summary>
- /// RSA解密
- /// </summary>
- public static string UnRsa(this string source)
- {
- RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
- rsa.FromXmlString(PrivateRsaKey);
- var cipherbytes = rsa.Decrypt(Convert.FromBase64String(source), true);
- return Encoding.UTF8.GetString(cipherbytes);
- }
- #endregion
- #region DES 加密解密
- /// <summary>
- /// DES 加密
- /// </summary>
- public static string Des(this string source, string keyVal, string ivVal)
- {
- try
- {
- byte[] data = Encoding.UTF8.GetBytes(source);
- var des = new DESCryptoServiceProvider { Key = Encoding.ASCII.GetBytes(keyVal.Length > 8 ? keyVal.Substring(0, 8) : keyVal), IV = Encoding.ASCII.GetBytes(ivVal.Length > 8 ? ivVal.Substring(0, 8) : ivVal) };
- var desencrypt = des.CreateEncryptor();
- byte[] result = desencrypt.TransformFinalBlock(data, 0, data.Length);
- return BitConverter.ToString(result);
- }
- catch { return "转换出错!"; }
- }
- /// <summary>
- /// DES 解密
- /// </summary>
- public static string UnDes(this string source, string keyVal, string ivVal)
- {
- try
- {
- string[] sInput = source.Split("-".ToCharArray());
- byte[] data = new byte[sInput.Length];
- for (int i = 0; i < sInput.Length; i++)
- {
- data[i] = byte.Parse(sInput[i], NumberStyles.HexNumber);
- }
- var des = new DESCryptoServiceProvider { Key = Encoding.ASCII.GetBytes(keyVal.Length > 8 ? keyVal.Substring(0, 8) : keyVal), IV = Encoding.ASCII.GetBytes(ivVal.Length > 8 ? ivVal.Substring(0, 8) : ivVal) };
- var desencrypt = des.CreateDecryptor();
- byte[] result = desencrypt.TransformFinalBlock(data, 0, data.Length);
- return Encoding.UTF8.GetString(result);
- }
- catch { return "解密出错!"; }
- }
- #endregion
- #region TripleDES 加密解密
- /// <summary>
- /// DES3 加密
- /// </summary>
- public static string Des3(this string source, string keyVal)
- {
- try
- {
- TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider
- {
- Key = keyVal.FormatByte(Encoding.UTF8),
- Mode = CipherMode.ECB,
- Padding = PaddingMode.PKCS7
- };
- using (MemoryStream ms = new MemoryStream())
- {
- byte[] btArray = Encoding.UTF8.GetBytes(source);
- try
- {
- using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))
- {
- cs.Write(btArray, 0, btArray.Length);
- cs.FlushFinalBlock();
- }
- return ms.ToArray().Bytes2Str();
- }
- catch { return source; }
- }
- }
- catch
- {
- return "TripleDES加密出现错误";
- }
- }
- /// <summary>
- /// DES3 解密
- /// </summary>
- public static string UnDes3(this string source, string keyVal)
- {
- try
- {
- byte[] byArray = source.Str2Bytes();
- TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider
- {
- Key = keyVal.FormatByte(Encoding.UTF8),
- Mode = CipherMode.ECB,
- Padding = PaddingMode.PKCS7
- };
- using (MemoryStream ms = new MemoryStream())
- {
- using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))
- {
- cs.Write(byArray, 0, byArray.Length);
- cs.FlushFinalBlock();
- cs.Close();
- ms.Close();
- return Encoding.UTF8.GetString(ms.ToArray());
- }
- }
- }
- catch
- {
- return "TripleDES解密出现错误";
- }
- }
- #endregion
- #region BASE64 加密解密
- /// <summary>
- /// BASE64 加密
- /// </summary>
- /// <param name="source">待加密字段</param>
- /// <returns></returns>
- public static string Base64(this string source)
- {
- var btArray = Encoding.UTF8.GetBytes(source);
- return Convert.ToBase64String(btArray, 0, btArray.Length);
- }
- /// <summary>
- /// BASE64 解密
- /// </summary>
- /// <param name="source">待解密字段</param>
- /// <returns></returns>
- public static string UnBase64(this string source)
- {
- var btArray = Convert.FromBase64String(source);
- return Encoding.UTF8.GetString(btArray);
- }
- #endregion
- #region 内部方法
- /// <summary>
- /// 转成数组
- /// </summary>
- private static byte[] Str2Bytes(this string source)
- {
- source = source.Replace(" ", "");
- byte[] buffer = new byte[source.Length / 2];
- for (int i = 0; i < source.Length; i += 2) buffer[i / 2] = Convert.ToByte(source.Substring(i, 2), 16);
- return buffer;
- }
- /// <summary>
- /// 转换成字符串
- /// </summary>
- private static string Bytes2Str(this IEnumerable<byte> source, string formatStr = "{0:X2}")
- {
- StringBuilder pwd = new StringBuilder();
- foreach (byte btStr in source) { pwd.AppendFormat(formatStr, btStr); }
- return pwd.ToString();
- }
- private static byte[] FormatByte(this string strVal, Encoding encoding)
- {
- return encoding.GetBytes(strVal.Base64().Substring(0, 16).ToUpper());
- }
- /// <summary>
- /// HashAlgorithm 加密统一方法
- /// </summary>
- private static string HashAlgorithmBase(HashAlgorithm hashAlgorithmObj, string source, Encoding encoding)
- {
- byte[] btStr = encoding.GetBytes(source);
- byte[] hashStr = hashAlgorithmObj.ComputeHash(btStr);
- return hashStr.Bytes2Str();
- }
- #endregion
- }
- }
Program.cs代码:
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Text;
- namespace Test
- {
- class Program
- {
- static void Main(string[] args)
- {
- string plainText = "这是一条被和谐的消息!";
- //加密明文,获得密文
- string EncryptText= Utils.PassWordHelper.Rsa(plainText);
- Console.WriteLine(EncryptText);
- //解密密文,获得明文
- string DecryptText = Utils.PassWordHelper.UnRsa(EncryptText);
- Console.WriteLine(DecryptText);
- Console.ReadKey();
- }
- }
- }
运行结果如图:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。