Re: HMACSHA1 Hash Different from desktop to WinCE
- From: "Tomppa" <t.o.m.p.p.a.@xxxxxxxxx>
- Date: Thu, 21 Sep 2006 15:32:09 -0700
My bad,
This does work.
My salt value was null on one end and an expty string on the other.
"Tomppa" <t.o.m.p.p.a.@xxxxxxxxx> wrote in message
news:%23Qauwlc3GHA.2196@xxxxxxxxxxxxxxxxxxxxxxx
How can I create a hash of a string on the desktop using a salt value and
get the same results on my WinCE device?
I use the same code on the desktop and pc with the same hash of the same
string with different results.
I the string I am hashing is a guid string.
Desktop framework 2.0 CF framework 2.0 WinCE 5
Thanks in advance...
public static string GetHashFromString(string stringValue)
{
StringBuilder sb = new StringBuilder();
try
{
System.Text.ASCIIEncoding encoding=new System.Text.ASCIIEncoding();
byte[] fileBytes = encoding.GetBytes(stringValue);
// generate hash
HMACSHA1 hmac = new HMACSHA1();
string key = RegistryHelper.HashKey;
if (key.Length > 0)
{
hmac.Key = Encoding.ASCII.GetBytes(key);
}
else
{
hmac.Key = Encoding.ASCII.GetBytes("");
}
hmac.ComputeHash(fileBytes);
// convert hash to hex string
for (int i = 0; i < hmac.Hash.Length; i++)
{
sb.Append(hmac.Hash[i].ToString("X2"));
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
return sb.ToString();
}
.
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