public static string Hash(string password, HashScheme scheme)
{
switch (scheme)
{
case HashScheme.Plaintext:
return password;
default:
case HashScheme.SHA1:
return SHAHasher_5xN.Hash(password);
}
}
public static string Hash(string password, HashScheme scheme)
{
switch (scheme)
{
case HashScheme.Plaintext:
return(password);
default:
case HashScheme.SHA1:
return(SHAHasher_5xN.Hash(password));
}
}
private string ShortenDirect(string url)
{
string key;
if (Repository.ContainsValue(url))
{
key = Repository.GetKey(url);
}
else
{
key = HashScheme.GetKey(url);
int permutation = 0;
while (Repository.ContainsKey(key))
{
if (permutation == MaximumHashAttempts)
{
throw new Exception(String.Format("Failed to find a unique hash for url <{0}> after {1} attempts", url, permutation));
}
key = HashScheme.GetKey(url, ++permutation);
}
Repository.Add(key, url);
}
return(CompleteUrl(key));
}
public static bool Verify(string password, string hash, HashScheme scheme)
{
return hash == Hash(password, scheme);
}
public static bool Verify(string password, string hash, HashScheme scheme)
{
return(hash == Hash(password, scheme));
}
