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| author | Serhiy Storchaka <storchaka@gmail.com> | 2017-10-24 16:36:17 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-10-24 16:36:17 (GMT) |
| commit | eab3ff72ebe79416cc032b8508ae13332955a157 (patch) | |
| tree | aa3c36c6d3cfc0720d1755d9d9a558c6dc86bad6 /Doc/library | |
| parent | 831d61d56c5b0f15cfcfd5083638aa111cddb72b (diff) | |
| download | cpython-eab3ff72ebe79416cc032b8508ae13332955a157.zip cpython-eab3ff72ebe79416cc032b8508ae13332955a157.tar.gz cpython-eab3ff72ebe79416cc032b8508ae13332955a157.tar.bz2 | |
bpo-31664: Add support for the Blowfish method in crypt. (#3854)
Diffstat (limited to 'Doc/library')
| -rw-r--r-- | Doc/library/crypt.rst | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/Doc/library/crypt.rst b/Doc/library/crypt.rst index dbd4274..9877b71 100644 --- a/Doc/library/crypt.rst +++ b/Doc/library/crypt.rst @@ -41,17 +41,24 @@ are available on all platforms): .. data:: METHOD_SHA512 A Modular Crypt Format method with 16 character salt and 86 character - hash. This is the strongest method. + hash based on the SHA-512 hash function. This is the strongest method. .. data:: METHOD_SHA256 Another Modular Crypt Format method with 16 character salt and 43 - character hash. + character hash based on the SHA-256 hash function. + +.. data:: METHOD_BLOWFISH + + Another Modular Crypt Format method with 22 character salt and 31 + character hash based on the Blowfish cipher. + + .. versionadded:: 3.7 .. data:: METHOD_MD5 Another Modular Crypt Format method with 8 character salt and 22 - character hash. + character hash based on the MD5 hash function. .. data:: METHOD_CRYPT @@ -109,19 +116,25 @@ The :mod:`crypt` module defines the following functions: Accept ``crypt.METHOD_*`` values in addition to strings for *salt*. -.. function:: mksalt(method=None) +.. function:: mksalt(method=None, *, log_rounds=12) Return a randomly generated salt of the specified method. If no *method* is given, the strongest method available as returned by :func:`methods` is used. - The return value is a string either of 2 characters in length for - ``crypt.METHOD_CRYPT``, or 19 characters starting with ``$digit$`` and - 16 random characters from the set ``[./a-zA-Z0-9]``, suitable for - passing as the *salt* argument to :func:`crypt`. + The return value is a string suitable for passing as the *salt* argument + to :func:`crypt`. + + *log_rounds* specifies the binary logarithm of the number of rounds + for ``crypt.METHOD_BLOWFISH``, and is ignored otherwise. ``8`` specifies + ``256`` rounds. .. versionadded:: 3.3 + .. versionchanged:: 3.7 + Added the *log_rounds* parameter. + + Examples -------- |