nhyatt/putty-source
1
0
Fork 0
mirror of https://git.tartarus.org/simon/putty.git synced 2025-06-30 19:12:48 -05:00
Code Issues Projects Releases Wiki Activity

mpint: add a few simple bitwise operations.

Browse Source 
I want to use mp_xor_into as part of an upcoming test program, and
while I'm at it, I thought I'd add a few other obvious bitops too.
This commit is contained in:
Simon Tatham
2019-02-09 14:00:06 +00:00
parent 8ccbd164c7
commit bfae3ee96e
4 changed files with 61 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
test/cryptsuite.py
View File

@ -367,6 +367,23 @@ class mpint(MyTestBase):
self.assertEqual(int(mp_div(n, d)), q)
self.assertEqual(int(mp_mod(n, d)), r)
def testBitwise(self):
p = 0x3243f6a8885a308d313198a2e03707344a4093822299f31d0082efa98ec4e
e = 0x2b7e151628aed2a6abf7158809cf4f3c762e7160f38b4da56a784d9045190
x = mp_new(nbits(p))
mp_and_into(x, p, e)
self.assertEqual(int(x), p & e)
mp_or_into(x, p, e)
self.assertEqual(int(x), p | e)
mp_xor_into(x, p, e)
self.assertEqual(int(x), p ^ e)
mp_bic_into(x, p, e)
self.assertEqual(int(x), p & ~e)
def testInversion(self):
# Test mp_invert_mod_2to.
testnumbers = [(mp_copy(n),n) for n in fibonacci_scattered()