/// <summary>
/// 从本地文件中读取用来签发 Token 的 RSA Key
/// </summary>
/// <param name="filePath">存放密钥的文件夹路径</param>
/// <param name="withPrivate"></param>
/// <param name="keyParameters"></param>
/// <returns></returns>
public static bool TryGetKeyParameters(string filePath, bool withPrivate, out RSAParameters keyParameters)
{
string filename = withPrivate ? "key.json" : "key.public.json";
keyParameters = default(RSAParameters);
if (Directory.Exists(filePath) == false || File.Exists(Path.Combine(filePath, filename)) == false)
{
return(false);
}
RsaParameterStorage parameters = JsonConvert.DeserializeObject <RsaParameterStorage>(File.ReadAllText(Path.Combine(filePath, filename)));
keyParameters = new RSAParameters
{
D = parameters.D,
DP = parameters.DP,
DQ = parameters.DQ,
Exponent = parameters.Exponent,
InverseQ = parameters.InverseQ,
Modulus = parameters.Modulus,
P = parameters.P,
Q = parameters.Q
};
return(true);
}
// 转换成 json 字符串
static string ToJsonString(this RSAParameters parameters)
{
var content = new RsaParameterStorage();
content.D = parameters.D;
content.DP = parameters.DP;
content.DQ = parameters.DQ;
content.Exponent = parameters.Exponent;
content.InverseQ = parameters.InverseQ;
content.Modulus = parameters.Modulus;
content.P = parameters.P;
content.Q = parameters.Q;
return(JsonConvert.SerializeObject(content));
}
