/// <summary>
/// 采用RAS和DES一起进行加密操作，公钥加密Key/IV，Key和IV来加密源数据，可以指定具体采用的Key / Iv
/// </summary>
/// <param name="xmlPublicKey"></param>
/// <param name="srcDataToEncrypted"></param>
/// <returns></returns>
public static RSADESEncryptResult EncryptByRSADES(string xmlPublicKey, string srcDataToEncrypted, DesKeyIVEntity keyIv)
{
RSADESEncryptResult result = new RSADESEncryptResult();
//公钥加密Key
result.EncryptedDesKeyIV = EncryptUtility.EncryptByRSA(string.Format("{0}.{1}", keyIv.KeyString, keyIv.IVString), Encoding.Unicode, xmlPublicKey);
//Key和IV来加密源数据
result.EncryptedSourceData = EncryptUtility.EncryptByDES(srcDataToEncrypted, Encoding.Unicode, keyIv.KeyBytes, keyIv.IVBytes);
return(result);
}
/// <summary>
/// 采用RAS和DES一起进行解密操作，私钥解析出来Key/IV，然后用Key/Iv解密业务数据
/// </summary>
/// <param name="xmlPrivateKey"></param>
/// <param name="encryptResult"></param>
/// <returns></returns>
public static RSADESDecryptResult DecryptByRSADES(string xmlPrivateKey, RSADESEncryptResult encryptResult)
{
string[] encryptedKeyIv = EncryptUtility.DecryptByRSA(encryptResult.EncryptedDesKeyIV, Encoding.Unicode, xmlPrivateKey).Split('.');
var result = new RSADESDecryptResult();
result.DecryptedDesKey = encryptedKeyIv[0];
result.DecryptedDesIv = encryptedKeyIv[1];
var keyIv = new DesKeyIVEntity()
{
KeyString = result.DecryptedDesKey, IVString = result.DecryptedDesIv
};
result.DecryptedSourceData = EncryptUtility.DecryptByDES(encryptResult.EncryptedSourceData, Encoding.Unicode, keyIv.KeyBytes, keyIv.IVBytes);
return(result);
}
/// <summary>
/// 采用MD5计算二进制序列的Hash结果，并转换成Base64格式的字符串返回
/// </summary>
/// <param name="inputs"></param>
/// <returns></returns>
public static string ComputeHashStringByMD5(byte[] inputs)
{
return(EncodingUtility.ToBase64FromBytes(EncryptUtility.ComputeHashByMD5(inputs)));
}
/// <summary>
/// 采用RAS和DES一起进行加密操作，公钥加密Key/IV，Key和IV来加密源数据
/// </summary>
/// <param name="xmlPublicKey"></param>
/// <param name="srcDataToEncrypted"></param>
/// <returns></returns>
public static RSADESEncryptResult EncryptByRSADES(string xmlPublicKey, string srcDataToEncrypted)
{
DesKeyIVEntity keyIv = EncryptUtility.GenerateDesKeyIv();
return(EncryptByRSADES(xmlPublicKey, srcDataToEncrypted, keyIv));
}
