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Code Issues 14 Releases Wiki Activity

Constant time test debug

merge-requests/30/head
Bob Mottram 2024-11-11 11:42:31 +00:00
parent 08166b707e
commit e22ab86b9b
1 changed files with 9 additions and 2 deletions
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11
tests.py
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@ -4652,6 +4652,7 @@ def _test_constant_time_string():
assert not constant_time_string_check('testing', '1234') assert not constant_time_string_check('testing', '1234')
assert not constant_time_string_check('testing', '1234567') assert not constant_time_string_check('testing', '1234567')
time_threshold_microseconds = 10
itterations = 256 itterations = 256
start = time.time() start = time.time()
@ -4669,7 +4670,10 @@ def _test_constant_time_string():
av_time2 = ((end - start) * 1000000 / itterations) av_time2 = ((end - start) * 1000000 / itterations)
time_diff_microseconds = abs(av_time2 - av_time1) time_diff_microseconds = abs(av_time2 - av_time1)
# time difference should be less than 10uS # time difference should be less than 10uS
assert int(time_diff_microseconds) < 10 if int(time_diff_microseconds) >= time_threshold_microseconds:
print('single character time_diff_microseconds: ' +
str(time_diff_microseconds))
assert int(time_diff_microseconds) < time_threshold_microseconds
# change multiple characters and observe timing difference # change multiple characters and observe timing difference
start = time.time() start = time.time()
@ -4680,7 +4684,10 @@ def _test_constant_time_string():
av_time2 = ((end - start) * 1000000 / itterations) av_time2 = ((end - start) * 1000000 / itterations)
time_diff_microseconds = abs(av_time2 - av_time1) time_diff_microseconds = abs(av_time2 - av_time1)
# time difference should be less than 10uS # time difference should be less than 10uS
assert int(time_diff_microseconds) < 10 if int(time_diff_microseconds) >= time_threshold_microseconds:
print('multi character time_diff_microseconds: ' +
str(time_diff_microseconds))
assert int(time_diff_microseconds) < time_threshold_microseconds
def _test_replace_email_quote(): def _test_replace_email_quote():