Remove unused function
This commit is contained in:
parent
5a430def22
commit
23528069ec
|
@ -20,31 +20,11 @@
|
|||
Utility functions for dealing with primes.
|
||||
"""
|
||||
|
||||
from Crypto.Util import number
|
||||
|
||||
from paramiko import util
|
||||
from paramiko.py3compat import byte_mask, long
|
||||
from paramiko.ssh_exception import SSHException
|
||||
|
||||
|
||||
def _generate_prime(bits, rng):
|
||||
"""primtive attempt at prime generation"""
|
||||
hbyte_mask = pow(2, bits % 8) - 1
|
||||
while True:
|
||||
# loop catches the case where we increment n into a higher bit-range
|
||||
x = rng.read((bits + 7) // 8)
|
||||
if hbyte_mask > 0:
|
||||
x = byte_mask(x[0], hbyte_mask) + x[1:]
|
||||
n = util.inflate_long(x, 1)
|
||||
n |= 1
|
||||
n |= (1 << (bits - 1))
|
||||
while not number.isPrime(n):
|
||||
n += 2
|
||||
if util.bit_length(n) == bits:
|
||||
break
|
||||
return n
|
||||
|
||||
|
||||
def _roll_random(rng, n):
|
||||
"""returns a random # from 0 to N-1"""
|
||||
bits = util.bit_length(n - 1)
|
||||
|
|
Loading…
Reference in New Issue