Ejemplos de HMACSHA256.CreateKey en C# (CSharp)

Ejemplo n.º 1

Archivo: GAUtilities.cs Proyecto: zledas/GA-SDK-C-SHARP

        public static string HmacWithKey(string key, byte[] data)
        {
            byte[] keyByte = Encoding.UTF8.GetBytes(key);

#if WINDOWS_UWP || WINDOWS_WSA
            var hmacsha256 = MacAlgorithmProvider.OpenAlgorithm(MacAlgorithmNames.HmacSha256);
#else
            using (var hmacsha256 = new HMACSHA256(keyByte))
#endif
            {
#if WINDOWS_UWP || WINDOWS_WSA
                var input        = data.AsBuffer();
                var signatureKey = hmacsha256.CreateKey(keyByte.AsBuffer());
                var cypherMac    = CryptographicEngine.Sign(signatureKey, input);
                return(CryptographicBuffer.EncodeToBase64String(cypherMac));
#else
                byte[] hashmessage = hmacsha256.ComputeHash(data);
                return(Convert.ToBase64String(hashmessage));
#endif
            }
        }