Drop use of the deprecated time.clock which was removed in Python 3.8.
Adapted from upstream pull request:
https://github.com/dlitz/pycrypto/pull/296
diff --git a/lib/Crypto/Random/_UserFriendlyRNG.py b/lib/Crypto/Random/_UserFriendlyRNG.py
--- a/lib/Crypto/Random/_UserFriendlyRNG.py
+++ b/lib/Crypto/Random/_UserFriendlyRNG.py
@@ -73,8 +73,11 @@ class _EntropyCollector(object):
t = time.time()
self._time_es.feed(struct.pack("@I", int(2**30 * (t - floor(t)))))
- # Add the fractional part of time.clock()
- t = time.clock()
+ # Add the fractional part of time.process_time()
+ try:
+ t = time.process_time()
+ except AttributeError:
+ t = time.clock()
self._clock_es.feed(struct.pack("@I", int(2**30 * (t - floor(t)))))