A quick script to test file hashing using blake algorithms

test_blake.py

# /usr/bin/env python

# Requires branches of tuf and securesystemslib
# https://github.com/secure-systems-lab/securesystemslib/pull/218
# https://github.com/theupdateframework/tuf/pull/993

# Demonstrates the shortest path forwards for easily enabling blake2
# file hashing algorithms in a tuf repository

from tuf.repository_tool import *
import tuf.settings

repository = create_new_repository("repository")
generate_and_write_rsa_keypair('targets_key', password='password')
repository.targets.add_verification_key(import_rsa_publickey_from_file('targets_key.pub'))
private_targets_key = import_rsa_privatekey_from_file('targets_key', "password")
repository.targets.load_signing_key(private_targets_key)
with open("repository/targets/hello.txt", "w") as f: f.write("hello")

repository.targets.add_target("hello.txt")
tuf.settings.FILE_HASH_ALGORITHMS = ["blake2s", "blake2b"]
repository.write("targets")
with open("repository/metadata.staged/targets.json") as f: print(f.read())