/// <summary>
/// 根据JAVA（SHA1WithRSA）验签
/// </summary>
/// <param name="content">待验签字符串</param>
/// <param name="signedString">签名</param>
/// <param name="publicKey">公钥</param>
/// <param name="input_charset">编码格式</param>
/// <returns>true(通过),false(不通过)</returns>
public static bool SHA1WithRSAVerify(string content, string signedString, string publicKey, Encoding encoding = null)
{
if (encoding == null)
{
encoding = Encoding.UTF8;
}
bool result = false;
byte[] Data = encoding.GetBytes(content);
byte[] data = Convert.FromBase64String(signedString);
RSAParameters paraPub = RSAExt.ConvertFromPublicKey(publicKey);
RSACryptoServiceProvider rsaPub = new RSACryptoServiceProvider();
rsaPub.ImportParameters(paraPub);
SHA1 sh = new SHA1CryptoServiceProvider();
result = rsaPub.VerifyData(Data, sh, data);
return(result);
}
/// <summary>
/// 根据JAVA（SHA1WithRSA）加密
/// </summary>
/// <param name="content"></param>
/// <param name="privateKey"></param>
/// <param name="input_charset"></param>
/// <returns></returns>
public static string SHA1WithRSA(string content, string privateKey, Encoding encoding = null)
{
if (encoding == null)
{
encoding = Encoding.UTF8;
}
byte[] Data = encoding.GetBytes(content);
RSACryptoServiceProvider rsa = RSAExt.DecodePemPrivateKey(privateKey);
SHA1 sh = new SHA1CryptoServiceProvider();
byte[] signData = rsa.SignData(Data, sh);
return(Convert.ToBase64String(signData));
}
