def load_keyfile(fn):
with open(fn, 'r') as f:
key = eval(f.read())
if key['type'] == 'ed25519':
fid = bytes.fromhex(key['public'])
signer = crypto.ED25519(bytes.fromhex(key['private']))
elif key['type'] == 'hmac_sha256':
fid = bytes.fromhex(key['feed_id'])
signer = crypto.HMAC256(bytes.fromhex(key['private']))
return fid, signer
def load_keyfile(fn):
with open(fn, 'r') as f:
key = eval(f.read())
if key['type'] == 'ed25519':
fid = bytes.fromhex(key['public'])
signer = crypto.ED25519(bytes.fromhex(key['private']))
digestmod = 'sha256'
elif key['type'] in ['hmac_sha256', 'hmac_sha1', 'hmac_md5']:
fid = bytes.fromhex(key['feed_id'])
digestmod = key['type'][5:]
signer = crypto.HMAC(digestmod, bytes.fromhex(key['private']))
return fid, signer, digestmod
def get_signer(self) -> crypto.ED25519:
"""
This function identifies the signer of the user
Parameters
----------
self : USER
The alias name of the user
Returns
-------
crypto.ED25519
Signer of the user
"""
return crypto.ED25519(bytes.fromhex(self.sk))
def new() -> USER:
"""
This function creates a new user.
Returns
-------
USER
new created user
"""
key_pair = crypto.ED25519()
key_pair.create()
u = USER(fid=key_pair.get_public_key().hex(),
sk=key_pair.get_private_key().hex(),
follows=[],
channels=[])
if u.save():
return u
return None