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WIP Python Script to check the random devices
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| """Randomness Validator""" | |
| # How many bytes to read | |
| BYTES_READ = 50000000 | |
| # Devices to check | |
| DEVICES = [ | |
| "/dev/random", | |
| "/dev/urandom" | |
| ] | |
| # Cool code stuff | |
| def test_offset(device: str): | |
| """Function to test a random number generator device's bit likelihood""" | |
| rand = '' | |
| count_1 = 0 | |
| count_0 = 0 | |
| with open(device, 'rb') as file: | |
| rand = file.read(BYTES_READ) | |
| for byte in rand: | |
| byte = f"{bin(byte)[2:]:>08}" # Convert byte into 8 character string representing bits | |
| for bit in byte: | |
| if bit == "1": | |
| count_1 += 1 | |
| else: | |
| count_0 += 1 | |
| total = count_0 + count_1 | |
| return(count_1 / total,count_0 / total) | |
| def main(): | |
| """Main function""" | |
| for device in DEVICES: | |
| offset_1, _ = test_offset(device) | |
| print(device, f"{offset_1*100:.6f}%") | |
| if __name__ == "__main__": | |
| main() |
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