diff options
| author | Martin v. Löwis <martin@v.loewis.de> | 2004-08-29 15:46:35 (GMT) |
|---|---|---|
| committer | Martin v. Löwis <martin@v.loewis.de> | 2004-08-29 15:46:35 (GMT) |
| commit | dc3883f671893fe338ecbd25e84316728c6c48b9 (patch) | |
| tree | 1c6a79019126d16b7c96c3e37354e131a529e235 /Doc/lib/libos.tex | |
| parent | 6ab78cd0c055462af4f5a6c59b9f310a83734c45 (diff) | |
| download | cpython-dc3883f671893fe338ecbd25e84316728c6c48b9.zip cpython-dc3883f671893fe338ecbd25e84316728c6c48b9.tar.gz cpython-dc3883f671893fe338ecbd25e84316728c6c48b9.tar.bz2 | |
Patch #934711: Expose platform-specific entropy.
Diffstat (limited to 'Doc/lib/libos.tex')
| -rw-r--r-- | Doc/lib/libos.tex | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex index f60693c..88e6402 100644 --- a/Doc/lib/libos.tex +++ b/Doc/lib/libos.tex @@ -1828,3 +1828,22 @@ Macintosh. Also available via \module{os.path}. \versionadded{2.4} \end{datadesc} + + +\subsection{Miscellaneous Functions \label{os-miscfunc}} + +\begin{funcdesc}{urandom}{n} +Return a string of \var{n} random bytes suitable for cryptographic use. + +This function returns random bytes from an OS-specific +randomness source. The returned data should be unpredictable enough for +cryptographic applications, though its exact quality depends on the OS +implementation. On a UNIX-like system this will query /dev/urandom, and +on Windows it will use CryptGenRandom. If a randomness source is not +found, \exception{NotImplementedError} will be raised. +\versionadded{2.4} +\end{funcdesc} + + + + |