/// <summary>
/// Convert a mobile ID to a key.
/// </summary>
/// <param name="MobileID">The mobileID.</param>
/// <param name="MobileKey">Out parameter of the mobile key.</param>
/// <returns>The outcome of the operation.</returns>
private Response MobileGenerateKey(int MobileID, out long MobileKey, DatabaseConnectivity db)
{
MobileKey = -1;
Response r = new Response();
System.Security.Cryptography.SHA1 sha = new System.Security.Cryptography.SHA1CryptoServiceProvider();
Random rand = new Random();
byte[] randomBytes = new byte[64];
byte[] result;
long tempKey;
for(;;)
{
rand.NextBytes(randomBytes);
result = sha.ComputeHash(randomBytes);
tempKey = BitConverter.ToInt64(result, 0);
r = db.MobileGetIDFromKey(tempKey);
if(r.error)
return r;
if(r.message.Trim().Length != 0)
continue;
r = db.MobileSetKey(MobileID, tempKey);
if(r.error)
return r;
MobileKey = tempKey;
return r;
}
}
/// <summary>
/// Conver t amobile Key to a mobileID.
/// </summary>
/// <param name="MobileKey">The mobileKey.</param>
/// <param name="MobileID">Out parameter mobileID.</param>
/// <returns>The outcome of the operation.</returns>
private Response MobileKeyToID(long MobileKey, out int MobileID, DatabaseConnectivity db)
{
MobileID = -1;
Response r = db.MobileGetIDFromKey(MobileKey);
if (r.error)
return r;
if (r.message.Trim().Length == 0)
{
r.error = true;
r.message = "MobileKey is not valid.";
return r;
}
if (!int.TryParse(r.message.Trim(), out MobileID))
{
r.error = true;
r.message = "Exception in MobileKeyToID: MobileKey Parse Fail";
return r;
}
return r;
}
/// <summary>
/// Conver t amobile Key to a mobileID.
/// </summary>
/// <param name="MobileKey">The mobileKey.</param>
/// <param name="MobileID">Out parameter mobileID.</param>
/// <returns>The outcome of the operation.</returns>
private ExpResponse MobileKeyToID(long MobileKey, out int MobileID, DatabaseConnectivity db)
{
MobileID = -1;
ExpResponse r = db.MobileGetIDFromKey(MobileKey);
if (r.error)
return r;
if (r.message.Trim().Length == 0)
{
r.setErMsgStk(true, "Invalid MobileKey: " + MobileKey, Environment.StackTrace);
return r;
}
if (!int.TryParse(r.message.Trim(), out MobileID))
{
r.setErMsgStk(true, "Exception in MobileKeyToID: Failed to parse ID from 'key' in DB: '" + r.message.Trim() + "'", Environment.StackTrace);
return r;
}
return r;
}