ó î;,Uc@sÿdZddlmZddlmZddlmZm Z m Z m Zdefd„ƒYZee eƒZeƒZeZd„Zd„Zd „Zd „Zed „Zd „Zed „Zd„Zd„Zee ddƒdkrñ[ne j ƒdS(sz PRNG management routines, thin wrappers. See the file RATIONALE for a short explanation of why this module was written. iÿÿÿÿ(tpartial(t integer_types(tffitlibtexception_from_error_queuet path_stringtErrorcBseZdZRS(s5 An error occurred in an `OpenSSL.rand` API. (t__name__t __module__t__doc__(((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pyRscCst|tƒstdƒ‚n|dkr9tdƒ‚ntjd|ƒ}tj||ƒ}|dkrstƒntj |ƒS(s† Get some random bytes as a string. :param num_bytes: The number of bytes to fetch :return: A string of random bytes snum_bytes must be an integerisnum_bytes must not be negativeschar[]iÿÿÿÿ( t isinstancet_integer_typest TypeErrort ValueErrort_ffitnewt_libt RAND_bytest_raise_current_errortbuffer(t num_bytest result_buffert result_code((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pytbytess   cCsYt|tƒstdƒ‚nt|tƒs<tdƒ‚ntj|t|ƒ|ƒdS(s¶ Add data with a given entropy to the PRNG :param buffer: Buffer with random data :param entropy: The entropy (in bytes) measurement of the buffer :return: None sbuffer must be a byte stringsentropy must be an integerN(R t_builtin_bytesR tintRtRAND_addtlen(Rtentropy((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pytadd5s cCs8t|tƒstdƒ‚ntj|t|ƒƒdS(sx Alias for rand_add, with entropy equal to length :param buffer: Buffer with random data :return: None sbuffer must be a byte stringN(R RR Rt RAND_seedR(R((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pytseedHscCs tjƒS(sj Retrieve the status of the PRNG :return: True if the PRNG is seeded enough, false otherwise (Rt RAND_status(((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pytstatusWscCsat|tƒstdƒ‚n|tkr3d}nt|tƒsQtdƒ‚ntj||ƒS(s¥ Query an entropy gathering daemon (EGD) for random data and add it to the PRNG. I haven't found any problems when the socket is missing, the function just returns 0. :param path: The path to the EGD socket :param bytes: (optional) The number of bytes to read, default is 255 :returns: The number of bytes read (NB: a value of 0 isn't necessarily an error, check rand.status()) spath must be a byte stringiÿsbytes must be an integer(R RR t _unspecifiedRRtRAND_egd_bytes(tpathR((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pytegdas   cCstjƒdS(s? Erase the memory used by the PRNG. :return: None N(Rt RAND_cleanup(((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pytcleanupxscCsOt|ƒ}|tkr!d}nt|tƒs?tdƒ‚ntj||ƒS(s  Seed the PRNG with data from a file :param filename: The file to read data from (``bytes`` or ``unicode``). :param maxbytes: (optional) The number of bytes to read, default is to read the entire file :return: The number of bytes read iÿÿÿÿsmaxbytes must be an integer(t _path_stringR"R RR RtRAND_load_file(tfilenametmaxbytes((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pyt load_fileƒs   cCst|ƒ}tj|ƒS(s™ Save PRNG state to a file :param filename: The file to write data to (``bytes`` or ``unicode``). :return: The number of bytes written (R(RtRAND_write_file(R*((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pyt write_file˜s cCstjƒdS(sq Add the current contents of the screen to the PRNG state. Availability: Windows. :return: None N(Rt RAND_screen(((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pytscreen¥sR/N(!R t functoolsRtsixRR t OpenSSL._utilRRRRRt_exception_from_error_queueRR(t ExceptionRRtobjectR"RRRRR!R%R'R,R.R0tgetattrtNonetERR_load_RAND_strings(((s0/usr/lib/python2.7/dist-packages/OpenSSL/rand.pyts&"