Beispiel #1
0
        public static bool Verify(string data, string sign, string publicKey, string charset)
        {
            if (string.IsNullOrEmpty(data))
            {
                throw new ArgumentNullException(nameof(data));
            }

            if (string.IsNullOrEmpty(sign))
            {
                throw new ArgumentNullException(nameof(sign));
            }

            if (string.IsNullOrEmpty(publicKey))
            {
                throw new ArgumentNullException(nameof(publicKey));
            }

            if (string.IsNullOrEmpty(charset))
            {
                throw new ArgumentNullException(nameof(charset));
            }

            using (var rsa = RSA.Create())
            {
                rsa.ImportSubjectPublicKeyInfo(Convert.FromBase64String(publicKey), out var _);
                return(rsa.VerifyData(InternalEncoding.GetEncoding(charset).GetBytes(data), Convert.FromBase64String(sign), HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
            }
        }
Beispiel #2
0
        public static string Sign(string data, string privateKey, string charset)
        {
            if (string.IsNullOrEmpty(data))
            {
                throw new ArgumentNullException(nameof(data));
            }

            if (string.IsNullOrEmpty(privateKey))
            {
                throw new ArgumentNullException(nameof(privateKey));
            }

            if (string.IsNullOrEmpty(charset))
            {
                throw new ArgumentNullException(nameof(charset));
            }

            using (var rsa = RSA.Create())
            {
                rsa.ImportRSAPrivateKey(Convert.FromBase64String(privateKey), out var _);
                return(Convert.ToBase64String(rsa.SignData(InternalEncoding.GetEncoding(charset).GetBytes(data), HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1)));
            }
        }