/// <summary>
/// 对RSA加密后的数据进行解密
/// </summary>
/// <param name="EncodedData">已经加密数据</param>
/// <returns>原来的数据</returns>
public string DecryptByRsa(string EncodedData)
{
var rsa = new RSAHelper(RSAType.RSA2, Encoding.UTF8, privateKey, publicKey);
string deStr = rsa.Decrypt(EncodedData);
return(deStr);
/* 它不支持跨平台
* CspParameters param = new CspParameters();
* param.KeyContainerName = EncodeKey;
* using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(param))
* {
* byte[] encryptdata = Convert.FromBase64String(EncodedData);
* byte[] decryptdata = rsa.Decrypt(encryptdata, false);
* return Encoding.Default.GetString(decryptdata);
* }
*/
}
/// <summary>
/// 使用对称加密 密钥为上面
/// </summary>
/// <param name="Data">待加密数据</param>
/// <returns>已经加密数据</returns>
public string EncodeByRsa(string Data)
{
var rsa = new RSAHelper(RSAType.RSA2, Encoding.UTF8, privateKey, publicKey);
string enStr = rsa.Encrypt(Data);
return(enStr);
/* 它不支持跨平台
* CspParameters param = new CspParameters();
* param.KeyContainerName = EncodeKey;//密匙容器的名称，保持加密解密一致才能解密成功
* using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(param))
* {
* byte[] plaindata = Encoding.Default.GetBytes(Data);//将要加密的字符串转换为字节数组
* byte[] encryptdata = rsa.Encrypt(plaindata, false);//将加密后的字节数据转换为新的加密字节数组
* return Convert.ToBase64String(encryptdata);//将加密后的字节数组转换为字符串
* }
*/
}
/// <summary>
/// 公钥验证签名
/// </summary>
/// <param name="str"></param>
/// <param name="sStr"></param>
/// <returns></returns>
public Boolean RsaVerify(String str, String sStr)
{
var rsa = new RSAHelper(RSAType.RSA2, Encoding.UTF8, privateKey, publicKey);
return(rsa.Verify(str, sStr));
}
/// <summary>
/// 返回私钥签名
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public String RsaSign(String str)
{
var rsa = new RSAHelper(RSAType.RSA2, Encoding.UTF8, privateKey, publicKey);
return(rsa.Sign(str));
}
