Python package for alternate true random number generator using sources provided by either TRNG online services, plaintext uint8 files (separated by whitespace) or collections of ints.
sourcerandom for Python
True randomness, with minimal fuss.
Alternate random number generator using sources provided by either True Random Number Generator online services (RANDOM.org and qrng.anu.edu.au), plaintext uint8 files (separated by whitespace) or collections of ints.
SourceRandom class extends
SystemRandom class found in default
random package, and only overwrites the
getrandbits method, meaning all of the functionality of
random package is included and unchanged.
sourcerandom obtains bytes from the given source, which are then used to generate random numbers. The bytes are cached for quick access - the amount of cached bytes can be set by the user.
OnlineRandomnessSource enumerator is provided to easily choose between RANDOM.org (
RANDOM_ORG) and qrng.anu.edu.au (
Since the bytes generated by the online services are truly random (please refer to the services for explanation), they can be theoretically used for cryptography instead of OS sources. However, I hold no responsibility for any problems or damages this may cause.
Requires Python 3.5.2 or above, and the
Pull requests are encouraged :D
pip install sourcerandom
import sourcerandom # From an online source RAND_GEN = sourcerandom.SourceRandom(source=sourcerandom.OnlineRandomnessSource.QRNG_ANU) # Initialize the generator - use the same generator to take advantage of caching print(RAND_GEN.randint(0, 20)) # Every method from random package is included # From file RAND_GEN = sourcerandom.SourceRandom(source="path/to/file") # File has to be a plaintext file with integers from range of 0 to 255 separated by whitespace, path is a simple string, relative to working directory. Files are read in cache_size chunks. # From collection BYTES_LIST = [ 0, 156, 245, 63, 52 ] # Integers from range of 0 to 255 separated by whitespace RAND_GEN = sourcerandom.SourceRandom(source=BYTES_LIST)
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