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| author | Gregory P. Smith <greg@mad-scientist.com> | 2008-03-19 01:38:35 (GMT) |
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| committer | Gregory P. Smith <greg@mad-scientist.com> | 2008-03-19 01:38:35 (GMT) |
| commit | bde40078b07cd26f850f2a04848e9e1d95442a1f (patch) | |
| tree | 52f9ab4cef53da8cf0b73d5013bf022ba904dbc2 | |
| parent | 0279f4395057d4228c82c34b2c282d81aaabbde5 (diff) | |
| download | cpython-bde40078b07cd26f850f2a04848e9e1d95442a1f.zip cpython-bde40078b07cd26f850f2a04848e9e1d95442a1f.tar.gz cpython-bde40078b07cd26f850f2a04848e9e1d95442a1f.tar.bz2 | |
Mention that crc32 and adler32 are available in a different module (zlib).
Some people look for them in hashlib.
| -rw-r--r-- | Doc/library/hashlib.rst | 4 | ||||
| -rw-r--r-- | Lib/hashlib.py | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst index 8bba718..bfb007f 100644 --- a/Doc/library/hashlib.rst +++ b/Doc/library/hashlib.rst @@ -21,6 +21,10 @@ algorithm (defined in Internet :rfc:`1321`). The terms secure hash and message digest are interchangeable. Older algorithms were called message digests. The modern term is secure hash. +.. note:: + If you want the adler32 or crc32 hash functions they are available in + the :mod:`zlib` module. + .. warning:: Some algorithms have known hash collision weaknesses, see the FAQ at the end. diff --git a/Lib/hashlib.py b/Lib/hashlib.py index f7c0211..13124e2 100644 --- a/Lib/hashlib.py +++ b/Lib/hashlib.py @@ -18,6 +18,9 @@ md5(), sha1(), sha224(), sha256(), sha384(), and sha512() More algorithms may be available on your platform but the above are guaranteed to exist. +NOTE: If you want the adler32 or crc32 hash functions they are available in +the zlib module. + Choose your hash function wisely. Some have known collision weaknesses. sha384 and sha512 will be slow on 32 bit platforms. |