Changeset View
Changeset View
Standalone View
Standalone View
share/rpcauth/rpcauth.py
#!/usr/bin/env python3 | #!/usr/bin/env python3 | ||||
# Copyright (c) 2015-2017 The Bitcoin Core developers | # Copyright (c) 2015-2017 The Bitcoin Core developers | ||||
# Distributed under the MIT software license, see the accompanying | # Distributed under the MIT software license, see the accompanying | ||||
# file COPYING or http://www.opensource.org/licenses/mit-license.php. | # file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
import sys | |||||
import os | |||||
from random import SystemRandom | |||||
import base64 | import base64 | ||||
import hmac | import hmac | ||||
import os | |||||
from random import SystemRandom | |||||
import sys | |||||
def generate_salt(): | |||||
# This uses os.urandom() underneath | |||||
cryptogen = SystemRandom() | |||||
# Create 16 byte hex salt | |||||
salt_sequence = [cryptogen.randrange(256) for _ in range(16)] | |||||
return ''.join([format(r, 'x') for r in salt_sequence]) | |||||
def generate_password(salt): | |||||
"""Create 32 byte b64 password""" | |||||
password = base64.urlsafe_b64encode(os.urandom(32)).decode('utf-8') | |||||
m = hmac.new(bytearray(salt, 'utf-8'), | |||||
bytearray(password, 'utf-8'), 'SHA256') | |||||
password_hmac = m.hexdigest() | |||||
return password, password_hmac | |||||
def main(): | |||||
if len(sys.argv) < 2: | if len(sys.argv) < 2: | ||||
sys.stderr.write('Please include username as an argument.\n') | sys.stderr.write('Please include username as an argument.\n') | ||||
sys.exit(0) | sys.exit(0) | ||||
username = sys.argv[1] | username = sys.argv[1] | ||||
# This uses os.urandom() underneath | salt = generate_salt() | ||||
cryptogen = SystemRandom() | password, password_hmac = generate_password(salt) | ||||
# Create 16 byte hex salt | print('String to be appended to bitcoin.conf:') | ||||
salt_sequence = [cryptogen.randrange(256) for i in range(16)] | print('rpcauth={0}:{1}${2}'.format(username, salt, password_hmac)) | ||||
hexseq = list(map(hex, salt_sequence)) | print('Your password:\n{0}'.format(password)) | ||||
salt = "".join([x[2:] for x in hexseq]) | |||||
# Create 32 byte b64 password | if __name__ == '__main__': | ||||
password = base64.urlsafe_b64encode(os.urandom(32)).decode("utf-8") | main() | ||||
m = hmac.new(bytearray(salt, 'utf-8'), bytearray(password, 'utf-8'), "SHA256") | |||||
result = m.hexdigest() | |||||
print("String to be appended to bitcoin.conf:") | |||||
print("rpcauth=" + username + ":" + salt + "$" + result) | |||||
print("Your password:\n" + password) |