U.jdZddlZddlmZddlmZmZmZmZmZddgZ dZ dZ d Z d Z d Zd Zdxaxaxaad ZdZej,dZdZdZdZdZedddZdZdZddZddZ y)apasslib.crypto.des -- DES block encryption routines History ======= These routines (which have since been drastically modified for python) are based on a Java implementation of the des-crypt algorithm, found at ``_. The copyright & license for that source is as follows:: UnixCrypt.java 0.9 96/11/25 Copyright (c) 1996 Aki Yoshida. All rights reserved. Permission to use, copy, modify and distribute this software for non-commercial or commercial purposes and without fee is hereby granted provided that this copyright notice appears in all copies. --- Unix crypt(3C) utility @version 0.9, 11/25/96 @author Aki Yoshida --- modified April 2001 by Iris Van den Broeke, Daniel Deville --- Unix Crypt. Implements the one way cryptography used by Unix systems for simple password protection. @version $Id: UnixCrypt2.txt,v 1.1.1.1 2005/09/13 22:20:13 christos Exp $ @author Greg Wilkins (gregw) The netbsd des-crypt implementation has some nice notes on how this all works - http://fxr.googlebit.com/source/lib/libcrypt/crypt.c?v=NETBSD-CURRENT N)exc)join_byte_valuesbyte_elem_valueiranger int_typesexpand_des_keydes_encrypt_blockilll~}{wllsgc Pd}d}d}||f||f||f||f||f||f||f||ffadadaday)z3delay loading tables until they are actually needed))rr r r r r$r r $r)rlll@l@l@l@lDlDlDlD)rr@r r@ r r@ r r@ r)r@l@llHlHll@l@lllHlH)rrr"r#r$r%r&r'r()rllllllllll)rrr.r/r0@r1Pr2@r3Pr4)r@ l@ @l l@  @ l l@  l@ l l@ )rrr<r=r>r?r@rArB)rl@l@l@l@lll@l@l@l@)rr@rHrI@rJrK@rLrM@rN)rllllllllll)rr@rTrU@rVrW@rXrY@rZ)rl l l l llll!l!l!l!)rrr_r`rarb rc rd re)rllll l"l l" l"l l"))rrrrrrrrrIrIrIrI rkrkrk)rrKr_lr i(l l(r.l l i i(l l( )rrrrr`r`r`r`r?r?r?r?rmrmrm)rr#rflrHlllrCllli@lll)rrrrrrrrr/r/r/r/@rnrnrn)rrWrir<iir1i@i@i@i@i@i@i@)rrrrr=r=r=r=rbrbrbrbrprprp)rr"r i r%r&$i$r[ll l lll$l$)rrUrOrhlllr^lllllll)rr)r6l rEl@l`l`r!l l l@l@l`l`)rrTri@ r\l@l@l@@r*l@l@l@@ll@l@l@@)rr7r9r;rl0l0ril l l l l l 0l 0)rrPrlr,llr5l@@l@l@l@l@l@)rr]rS rDl ll r l(ll(ll(ll()rrrl@rQl@l@rrl@l@lll@l@)rr+rglrl@l@l@rFllllAlAlAlA))rrrrrrrrr=r=r=r=ryryry)rr?rTi@rfl@l@r"ii@i@lll@l@)rrrrrUrUrUrUr1r1r1r1@r{r{r{)rrr[l@r<i ll@rbi l l @ii l l @)rrrrr r r r r#r#r#r# r|r|r|)rrKr`lr.rll l r%illiil l )rrrrr/r/r/r/rWrWrWrWr}r}r})rrr_l@rrl@l@@rOi@ll@i i@ lAl@A)rrIrCi r]l l l rSlllrwl l l )rrr*r7rtllrlPl@lPl@lPl@lP)rrHr i @rPll l rl@l @l @lBlBl Bl B)rr+r,r-rlrulr^llllll)rrDrglr!lllr)lllrslll)rrQrFlr6l!l l!rrxlll l!l l!)rrirl0rEl @l@l0@rhrjll0@l @l@l0@)rr r\r5l@l@l@r9l l(l(r:l@ l@(l@())rrrillllllllll)r  l @l Dl @l D@l @l Dl Dl@@l @Dl D@l DD)rr/rWr}r.r0rb)rrEr5@@r7@r8@@rhr@@@@@@@)rr r r r r r )rrFrDrGrr^r)r@@ lD@ @i@@l@ lD@ @iD@l@ lDD iD@iDD@l@ lDD )rl l"l l"llll l"l l"))@@"rr @"r " rrr@  @ rrrrr @ "rrrrr rr @rrrrrrrrrrrrrrrrrr rrrrrrrrrrrrrrr rrr)@@ r @@ @ rr@ r7r @ rr7r.@ rr rrrrrrrrr.rrrrrrrrrrrrr.rrrrrrrrrr7rrrrr.rrrr7rr)@@rhrrrrWrWrrrrhrrrrrrrrrrrrrhrWrrrrrrrrrrrrrWrrrrrrrrrrrrrrrhr)@@@@r@@r@@@@@@r/@@rrrr/@@rErrrrrErrrrrrrrrrrrrrrrrrrErrrrrEr/rrrrrrrrrrrrr/rr)@rr5r@@@@r5r@r@rrrrvrrrrrrrrvrrrrrrrvrr5rrrrrrrrrrrvrrrrrrrr5rrrrrrrr)@ @ r@rrF!r!@!@rrr @!rr@ rrFrrrrrrrrrrrrrrrrrrrrrrrrFrrrrrrrrrrrrrrrFrrrrrrr)@rr^ @ @ !@ rrb@ !@! r rrrrrrrrrr@  @!rrrrr^rbrrrrrr^rbrrrrrr^rrrrrrrrrrrbrrrrrrrr)@ @ @r @  @rr r@ @ @rrDrrrrr rrr rr rrrDrrrrDr rrr rrrr rrrrrrrrrr rrr rrrrrr rrDr))rrDrFrGr^rrrrrrrrrrr)rr[r#lrlllr*lllr~lll)rr r r rrrrrrrrrrrr)riiiiiiiiiiiiii)rr,rlr+r-llrSlllllll)rrir6l rl @l @l @rl @l @l @l@@l @@l @@l @@)rr<rOir?r@iirflllrzlll)rrUrKir=iiirCiiiiiii)rr5rErrhrrrr7r8rrrrrr)rr`r_rar\lllr lllrlll)rrWr/r}rbrrrr.rr0rrrrr)riiiiiiiiiiiii)rrQr)lrPrRllr!lrslllll)rrrglr9l l l r]l l l l l l l )rrrTi@@rHi@@i@@i@@@r1i@@i@@i@@@i@@i@@@i@@@i@@@@)rr%rir"r&iirIiiiiiiiN)PCXROTIE3264SPECF6464)PC1ROTPC2ROTAPC2ROTBs TC:\xampp\htdocs\tradingbinance\backend\.venv\Lib\site-packages\passlib/crypto/des.py _load_tablesrQs{A FNA GHA Gbg ' 2 g ' 2 g ' 2 g ' 2 F! FLA CPA Fc8d}|D]}|||dzz}|dz}|S)zdReturns the permutation of the given 32-bit or 64-bit code with the specified permutation table.rr%)cpoutrs r_permuter9s4 C  q3x a Jrz>Qc,tj|S)N_uint64_structpackvalues r_pack64r&Js   u %%rc2tj|dS)Nrr"unpackr$s r _unpack64r*Ms   ' **rc2tj|ddS)Nr r!r$s r_pack56r,Ps   u %ab ))rc8tjd|zdS)Nrr(r$s r _unpack56r/Ss  5 1! 44r1icVttrtdk7rhtdttr6dks t kDr tdt ttStjddttfdtDS)zDconvert DES from 7 bytes to 8 bytes (by inserting empty parity bits)zkey must be 7 bytes in sizerz'key must be 56-bit non-negative integer bytes or intkeyc34K|]}|z dzdzyw)r Nr).0shiftr4s r z!expand_des_key..us O,c5jD014,s) isinstancebyteslen ValueErrorr INT_56_MASKr*rr,rExpectedTypeErrorr/r _EXPAND_ITER)r4s`rrrcs#u s8q=:; ; C # 7cK'FG G 566##C?? C.C O,O OOrc|t|tr6t|dk7r tdt t t |St|tr|dks |tkDr"tdtj|dd|dz}d}d}|dkr||d z|zz}|dz}|d z }|dkr|tzrJ|S) zGconvert DES key from 8 bytes to 7 bytes (by discarding the parity bits)rUzkey must be 8 bytes in sizer'key must be 64-bit non-negative integerr3r4r 8r6r2) r:r;r<r=r,shrink_des_keyr*r INT_64_MASKrr?)r4resultoffsets rrDrDws#u s8q=:; ;~in566 C # 7cK'FG G##C??AIC F F 2+3:&&  !  2++%& & Mrct|tr?t|dk(r t|}nt|dk7r t dt |}nt j|ddt|tr%t|dk7r t dt |}nt j|ddt||||}t|S)aencrypt single block of data using DES, operates on 8-byte strings. :arg key: DES key as 7 byte string, or 8 byte string with parity bits (parity bit values are ignored). :arg input: plaintext block to encrypt, as 8 byte string. :arg salt: Optional 24-bit integer used to mutate the base DES algorithm in a manner specific to :class:`~passlib.hash.des_crypt` and its variants. The default value ``0`` provides the normal (unsalted) DES behavior. The salt functions as follows: if the ``i``'th bit of ``salt`` is set, bits ``i`` and ``i+24`` are swapped in the DES E-box output. :arg rounds: Optional number of rounds of to apply the DES key schedule. the default (``rounds=1``) provides the normal DES behavior, but :class:`~passlib.hash.des_crypt` and its variants use alternate rounds values. :raises TypeError: if any of the provided args are of the wrong type. :raises ValueError: if any of the input blocks are the wrong size, or the salt/rounds values are out of range. :returns: resulting 8-byte ciphertext block. r2rUzkey must be 7 or 8 bytesr;r4zinput block must be 8 bytesinput) r:r;r<rr=r*rr?des_encrypt_int_blockr&)r4rIsaltroundsrFs rr r sB#u s8q= %C X]78 8n##C%88% u:?:; ;% ##E7G<<#3tV ._iter_key_schedule sA#MFEvv.Ggu-FH$fx&77 7$s<>?i ir irWl*UUiUUUUr :2*" l< ? Q rkZ 'UaZ:,E F Q  !  'OGVR%1$AB! a')A $2t|$tQUDL'992t|$%'+QUDL'9:2t|$%'+QUDL'9:2t|$%(,QT4K'89 :A R%1$AB! a&(A $2t|$tQUDL'992t|$%'+QUDL'9:2t|$%'+QUDL'9:2t|$%(,QT4K'89 :A '$!1- 8d) )e) ) +e) )  + d) )  + Av r)rr )!__doc__structpasslibrpasslib.utils.compatrrrr__all__rcr>rE _KDATA_MASK _KPARITY_MASKrPrrrrrrStructr"r&r*r,r/r@rrDr rJrrrr{s%\;;    ! "  "&%%%#_P t$&+*5bB P(06pEr