/*
* private string MD5ComputeHash(byte[] data)
* {
*
* if (data.Length != 0)
* {
* wifi.CreateRamFile("fileToHash", data);
* return Encoding.UTF8.GetString(wifi.ComputeHash("3", "fileToHash")).Substring(4);
* }
* else
* {
* return "D41D8CD98F00B204E9800998ECF8427E";
* }
*
*
* //byte[] hash= xBrainLab.Security.Cryptography.MD5.GetHash(StringData);
* //string hashString = xBrainLab.Security.Cryptography.MD5.GetHashString(StringData);
*
*
* //using (HashAlgorithm csp = new HashAlgorithm(PervasiveDigital.Security.ManagedProviders.HashAlgorithmType.MD5))
* //using (HashAlgorithm csp = new HashAlgorithm(xBrainLab.Security.Cryptography.MD5)
*
* //using (HashAlgorithm csp = HashAlgorithm.Create("Md5"))
*
* //using (HashAlgorithm csp = HashAlgorithm.Create("MD5"))
* //{
*
* // hash = csp.ComputeHash(data);
* //}
*
* //string hashString = ByteExtensions.ToHexString(hash, "");
*
* //return hashString;
* }
*/
#endregion
#region CreateTableAuthorizationHeader
protected string CreateTableAuthorizationHeader(byte[] content, string canonicalResource, string ptimeStamp, string pHttpVerb, ContType pContentType, out string pMD5Hash, out byte[] pHash, bool useSharedKeyLite = false)
{
string contentType = getContentTypeString(pContentType);
pMD5Hash = string.Empty;
pHash = null;
if (!useSharedKeyLite)
{
// long startTime = DateTime.Now.Ticks;
pHash = xBrainLab.Security.Cryptography.MD5.GetHash(content);
pMD5Hash = BitConverter.ToString(pHash);
pMD5Hash = pMD5Hash.Replace("-", string.Empty);
// long endTime = DateTime.Now.Ticks;
// Debug.WriteLine("Needed for MD5-hash (1): " + ((endTime - startTime) / TimeSpan.TicksPerMillisecond).ToString()); // about 80 ms
}
string toSign = string.Empty;
if (useSharedKeyLite)
{
toSign = String.Format("{0}\n{1}", ptimeStamp, canonicalResource);
}
else
{
toSign = String.Format("{0}\n{4}\n{1}\n{2}\n{3}", pHttpVerb, contentType, ptimeStamp, canonicalResource, pMD5Hash);
}
string signature;
#region Region: Tests to use SPWF04SA for SHA256 encoding (not used)
//toSign = @"POST\n56487EFE04B9981AB97DE7D20353F298\napplication/atom+xml\nTue, 29 Jan 2019 22:38:48 GMT\n/roschmi01/Tables()";
/*
* wifi.CreateRamFile("fileSHA256", Convert.FromBase64String(_account.AccountKey));
* string strSHA256Hash = Encoding.UTF8.GetString(Program.wifi.ComputeHash("2", "fileSHA256")).Substring(7);
* byte[] theHmac = Convert.FromBase64String(strSHA256Hash);
*/
//var theHmac = wifi.ComputeHash("2", "fileSHA256");
#endregion
//long startTime = DateTime.Now.Ticks;
//RoSchmi debugging
//byte[] decodedKey = Convert.FromBase64String(_account.AccountKey);
var hmac = new PervasiveDigital.Security.ManagedProviders.HMACSHA256(Convert.FromBase64String(_account.AccountKey));
var hmacBytes = hmac.ComputeHash(Encoding.UTF8.GetBytes(toSign));
signature = Convert.ToBase64String(hmacBytes).Replace("!", "+").Replace("*", "/");
/*
* var hmac = new PervasiveDigital.Security.ManagedProviders.HMACSHA256(Convert.FromBase64String(_account.AccountKey));
* var hmacBytes = hmac.ComputeHash(Encoding.UTF8.GetBytes("Roland"));
* signature = Convert.ToBase64String(hmacBytes).Replace("!", "+").Replace("*", "/");
*/
// long endTime = DateTime.Now.Ticks;
// Debug.WriteLine("Needed for MD5SHA256-hash: " + ((endTime - startTime) / TimeSpan.TicksPerMillisecond).ToString()); // about 160 ms
if (useSharedKeyLite)
{
return("SharedKeyLite " + _account.AccountName + ":" + signature);
}
else
{
return("SharedKey " + _account.AccountName + ":" + signature);
}
}
//protected byte[] GetPackageFileBytesAndLength(string fileName, out int contentLength)
//{
// byte[] ms = null;
// contentLength = 0;
// if (fileName != null)
// {
// using (StreamReader sr = new StreamReader(File.Open(fileName, FileMode.Open)))
// {
// string data = sr.ReadToEnd();
// ms = Encoding.UTF8.GetBytes(data);
// contentLength = ms.Length;
// }
// }
// return ms;
//}
protected string CreateAuthorizationHeader(string canResource, string options = "", int contentLength = 0)
{
string toSign = StringUtilities.Format("{0}\n\n\n{1}\n\n\n\n\n\n\n\n{5}\nx-ms-date:{2}\nx-ms-version:{3}\n{4}",
HttpVerb, contentLength, GetDateHeader(), VersionHeader, canResource, options);
var hmac = new HMACSHA256(Convert.FromBase64String(_account.AccountKey));
var hmacBytes = hmac.ComputeHash(Encoding.UTF8.GetBytes(toSign));
string signature = Convert.ToBase64String(hmacBytes).Replace("!", "+").Replace("*", "/"); ;
return "SharedKey " + _account.AccountName + ":" + signature;
}
