/// <summary>
/// 加密字符串，输出BASE64编码字符串
/// </summary>
/// <param name="source">要加密的明文字符串</param>
/// <param name="key">密钥字符串，长度为8或者24</param>
/// <returns>加密的BASE64编码的字符串</returns>
public static string Encrypt(string source, string key)
{
source.CheckNotNull("source");
key.CheckNotNullOrEmpty("key");
byte[] keyBytes = Encoding.UTF8.GetBytes(key);
var des = new DesHelper(keyBytes);
return(des.Encrypt(source));
}
/// <summary>
/// 加密要发送的数据，包含签名，DES加密，RSA加密DES密钥等步骤
/// </summary>
/// <param name="data">要加密的正文明文数据</param>
/// <param name="privateKey">发送方私钥</param>
/// <param name="publicKey">接收方公钥</param>
/// <param name="hashType">摘要哈希方式，值必须为MD5或SHA1</param>
/// <returns>已加密待发送的密文</returns>
public static string EncryptData(string data, string privateKey, string publicKey, string hashType)
{
data.CheckNotNull("data");
privateKey.CheckNotNullOrEmpty("privateKey");
publicKey.CheckNotNullOrEmpty("publicKey");
hashType.CheckNotNullOrEmpty("hashType");
hashType = hashType.ToUpper();
hashType.Required(str => hashType == "MD5" || hashType == "SHA1", Resources.Security_RSA_Sign_HashType);
//获取正文摘要
string signData = RsaHelper.SignData(data, hashType, privateKey);
data = new[] { data, signData }.ExpandAndToString(Separator);
//使用DES加密 正文+摘要
var des = new DesHelper();
data = des.Encrypt(data);
//RSA加密DES密钥
string enDesKey = Convert.ToBase64String(RsaHelper.Encrypt(des.Key, publicKey));
return(new[] { enDesKey, data }.ExpandAndToString(Separator));
}
/// <summary>
/// 加密字节数组
/// </summary>
/// <param name="source">要加密的字节数组</param>
/// <param name="key">密钥字节数组，长度为8或者24</param>
/// <returns>加密后的字节数组</returns>
public static byte[] Encrypt(byte[] source, byte[] key)
{
var des = new DesHelper(key);
return(des.Encrypt(source));
}
/// <summary>
/// 加密要发送的数据，包含签名，DES加密，RSA加密DES密钥等步骤
/// </summary>
/// <param name="data">要加密的正文明文数据</param>
/// <param name="privateKey">发送方私钥</param>
/// <param name="publicKey">接收方公钥</param>
/// <param name="hashType">摘要哈希方式，值必须为MD5或SHA1</param>
/// <returns>已加密待发送的密文</returns>
public static string EncryptData(string data, string privateKey, string publicKey, string hashType)
{
data.CheckNotNull("data");
privateKey.CheckNotNullOrEmpty("privateKey");
publicKey.CheckNotNullOrEmpty("publicKey");
hashType.CheckNotNullOrEmpty("hashType");
hashType = hashType.ToUpper();
hashType.Required(str => hashType == "MD5" || hashType == "SHA1", Resources.Security_RSA_Sign_HashType);
//获取正文摘要
string signData = RsaHelper.SignData(data, hashType, privateKey);
data = new[] {data, signData}.ExpandAndToString(Separator);
//使用DES加密 正文+摘要
var des = new DesHelper();
data = des.Encrypt(data);
//RSA加密DES密钥
string enDesKey = Convert.ToBase64String(RsaHelper.Encrypt(des.Key, publicKey));
return new[] {enDesKey, data}.ExpandAndToString(Separator);
}
/// <summary>
/// 加密字符串，输出BASE64编码字符串
/// </summary>
/// <param name="source">要加密的明文字符串</param>
/// <param name="key">密钥字符串，长度为8或者24</param>
/// <returns>加密的BASE64编码的字符串</returns>
public static string Encrypt(string source, string key)
{
source.CheckNotNull("source");
key.CheckNotNullOrEmpty("key");
byte[] keyBytes = Encoding.UTF8.GetBytes(key);
var des = new DesHelper(keyBytes);
return des.Encrypt(source);
}
/// <summary>
/// 加密字节数组
/// </summary>
/// <param name="source">要加密的字节数组</param>
/// <param name="key">密钥字节数组，长度为8或者24</param>
/// <returns>加密后的字节数组</returns>
public static byte[] Encrypt(byte[] source, byte[] key)
{
var des = new DesHelper(key);
return des.Encrypt(source);
}