/// <summary>
/// Return a new TpmHash that is the hash of random data
/// </summary>
/// <param name="hashAlg"></param>
/// <returns></returns>
public static TpmHash FromRandom(TpmAlgId hashAlg)
{
if (!CryptoLib.IsHashAlgorithm(hashAlg))
{
Globs.Throw <ArgumentException>("TpmHash.FromRandom: Not a hash algorithm");
}
return(new TpmHash(hashAlg, CryptoLib.HashData(hashAlg, Globs.GetRandomBytes((int)DigestSize(hashAlg)))));
}
/// <summary>
/// Return a TpmHash that is the hash of Encoding.Unicode.GetBytes(password)
/// </summary>
/// <param name="hashAlg"></param>
/// <param name="password"></param>
/// <returns></returns>
public static TpmHash FromString(TpmAlgId hashAlg, string password)
{
if (!CryptoLib.IsHashAlgorithm(hashAlg))
{
Globs.Throw <ArgumentException>("TpmHash.FromString: Not a hash algorithm");
}
return(new TpmHash(hashAlg, CryptoLib.HashData(hashAlg, Encoding.Unicode.GetBytes(password))));
}
/// <summary>
/// Return a new TpmHash set to the hash of the supplied data
/// </summary>
/// <param name="hashAlg"></param>
/// <param name="dataToHash"></param>
/// <returns></returns>
public static TpmHash FromData(TpmAlgId hashAlg, byte[] dataToHash)
{
if (!CryptoLib.IsHashAlgorithm(hashAlg))
{
Globs.Throw <ArgumentException>("TpmHash.FromData: Not a hash algorithm");
}
return(new TpmHash(hashAlg, CryptoLib.HashData(hashAlg, dataToHash)));
}