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Fixed obsolete comment in django.utils.crypto.salted_hmac(). 

Obsolete since 13864703bc.
This commit is contained in:
Mariusz Felisiak 2020-01-15 11:58:01 +01:00
parent b5a62bd17d
commit c5e373d48c
1 changed files with 1 additions and 2 deletions
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django/utils/crypto.py
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@ -26,8 +26,7 @@ def salted_hmac(key_salt, value, secret=None):
# passing the key_salt and our base key through a pseudo-random function and # passing the key_salt and our base key through a pseudo-random function and
# SHA1 works nicely. # SHA1 works nicely.
key = hashlib.sha1(key_salt + secret).digest() key = hashlib.sha1(key_salt + secret).digest()
# If len(key_salt + secret) > block size of the hash algorithm, the above
# If len(key_salt + secret) > sha_constructor().block_size, the above
# line is redundant and could be replaced by key = key_salt + secret, since # line is redundant and could be replaced by key = key_salt + secret, since
# the hmac module does the same thing for keys longer than the block size. # the hmac module does the same thing for keys longer than the block size.
# However, we need to ensure that we *always* do this. # However, we need to ensure that we *always* do this.