/// <summary>
/// Generates the default file hash for the specified priority.
/// </summary>
/// <param name="filePath">The full path to the file on disk.</param>
/// <param name="priority">FileBackupPriority</param>
/// <returns></returns>
public byte[] GenerateDefaultHash(string filePath, FileBackupPriority priority)
{
if (priority == FileBackupPriority.Low)
{
return(Generate20ByteFileHash(filePath));
}
else if (priority == FileBackupPriority.Medium)
{
return(Generate32ByteFileHash(filePath));
}
else if (priority == FileBackupPriority.High)
{
return(Generate64ByteFileHash(filePath));
}
else if (priority == FileBackupPriority.Meta)
{
return(Generate64ByteFileHash(filePath));
}
else
{
throw new NotImplementedException("Unexpected file backup priority type: " + priority);
}
}
/// <summary>
/// Gets the default hash algorithm used for a specified priority type.
/// </summary>
/// <param name="priority"></param>
/// <returns></returns>
public HashAlgorithmName GetDefaultHashAlgorithm(FileBackupPriority priority)
{
if (priority == FileBackupPriority.Low)
{
return(HashAlgorithmName.SHA1);
}
else if (priority == FileBackupPriority.Medium)
{
return(HashAlgorithmName.SHA256);
}
else if (priority == FileBackupPriority.High)
{
return(HashAlgorithmName.SHA512);
}
else if (priority == FileBackupPriority.Meta)
{
return(HashAlgorithmName.SHA512);
}
else
{
throw new NotImplementedException("Unexpected file backup priority type: " + priority);
}
}
