/// <summary>
/// RSA公玥加密
/// </summary>
/// <param name="publicKey"></param>
/// <param name="text"></param>
/// <returns></returns>
public static string RsaEncrypt(string publicKey, string text)
{
byte[] dataBytes = Encoding.UTF8.GetBytes(text); //对普通的文字操作，用Encoding.UTF8.GetBytes()
using (RSA publicKeyRsaProvider = RsaProvider.CreateRsaProviderFromPublicKey(publicKey))
{
return(Convert.ToBase64String(publicKeyRsaProvider.Encrypt(dataBytes, RSAEncryptionPadding.Pkcs1)));
}
}
/// <summary>
/// 使用公钥验证签名
/// </summary>
/// <param name="data">原始数据</param>
/// <param name="sign">签名</param>
/// <returns></returns>
public static bool RsaVerify(string publicKey, string data, string sign)
{
byte[] dataBytes = Encoding.UTF8.GetBytes(data);
byte[] signBytes = Convert.FromBase64String(sign);
using (RSA publicKeyRsaProvider = RsaProvider.CreateRsaProviderFromPublicKey(publicKey))
{
var verify = publicKeyRsaProvider.VerifyData(dataBytes, signBytes, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
return(verify);
}
}