gSrSSKrSSKJr SSKJrJrJrJrJr SS/r Sr Sr S r S r S rS rS=q=q=qqS rSr\R,"S5rSrSrSrSr\"SSS5rSrSrSSjrSSjr g)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 @SnSnSnX4X"4X"4X"4X4X"4X"4X!44qSqSqSqg)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 K/home/matz/Project1/venv/lib/python3.13/site-packages/passlib/crypto/des.py _load_tablesrQskA FNA GHA Gb  2   2   2   2 F! FLA CPA Fc:SnUHnX#US--nUS-nM U$)z`Returns the permutation of the given 32-bit or 64-bit code with the specified permutation table.rr%)cpoutrs r_permuter9s2 C  3x a Jrz>Qc,[RU5$)N_uint64_structpackvalues r_pack64r&Js   u %%rc2[RU5S$)Nrr"unpackr$s r _unpack64r*Ms   ' **rc2[RU5SS$)Nr r!r$s r_pack56r,Ps   u %ab ))rc8[RSU-5S$)Nrr(r$s r _unpack56r/Ss  5 1! 44r1icv^[T[5(a[T5S:wa [S5eOe[T[5(a8TS:d T[ :a [S5e[ [[T555$[R"TSS5e[T5m[U4Sj[55$)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 intkeyc3:># UHnTU- S-S-v M g7f)r Nr).0shiftr4s r !expand_des_key..usO,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[U[5(a7[U5S:wa [S5e[ [ [ U555$[U[5(aUS:d U[:a [S5eO[R"USS5eUS-nSnSnUS:aXS -U--nUS-nUS - nUS:aMU[)-(aeU$) 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 rrErEws#u s8q=:; ;~in566 C # # 7cK'FG G(##C??AIC F F 2+:&&  !  2++%& & Mrc[U[5(aA[U5S:Xa [U5nO[U5S:wa [ S5e[ U5nO[ R"USS5e[U[5(a&[U5S:wa [ S5e[ U5nO[ R"USS5e[XX#5n[U5$)aCencrypt single block of data using DES, operates on 8-byte strings. :arg key: DES key as 7 byte string, or 8 byte string with parity bits (parity bit values are ignored). :arg input: plaintext block to encrypt, as 8 byte string. :arg salt: Optional 24-bit integer used to mutate the base DES algorithm in a manner specific to :class:`~passlib.hash.des_crypt` and its variants. The default value ``0`` provides the normal (unsalted) DES behavior. The salt functions as follows: if the ``i``'th bit of ``salt`` is set, bits ``i`` and ``i+24`` are swapped in the DES E-box output. :arg rounds: Optional number of rounds of to apply the DES key schedule. the default (``rounds=1``) provides the normal DES behavior, but :class:`~passlib.hash.des_crypt` and its variants use alternate rounds values. :raises TypeError: if any of the provided args are of the wrong type. :raises ValueError: if any of the input blocks are the wrong size, or the salt/rounds values are out of range. :returns: resulting 8-byte ciphertext block. r2rUzkey must be 7 or 8 bytesr<r4zinput block must be 8 bytesinput) r;r<r=rr>r*rr@des_encrypt_int_blockr&)r4rJsaltroundsrGs rr r sB#u s8q= %C X]78 8n##C%88% u:?:; ;% ##E7G<<#3t ._iter_key_schedule s:#MFv.Gg-FH$fx&77 7$s;=?i ir irWl*UUiUUUUr :2*" l< INT_24_MASKr;rrr@rFrrrlistrrr)r4rJrLrMSPE0SPE1SPE2SPE3SPE4SPE5SPE6SPE7rVks_listLRrUrRkBCs rrKrKsDz:;; ax4+%CDD c9 % %##C66 qC+%BCC eY ' '##E5':: ek)DEE~692DD8 %c*+G /b /b  " /a  ! /b  "  z ArkZ 'EJ,> ? Q rkZ 'UaZ:,E F Q  !  'OGVR%1$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 '$1- &8d) )e) ) +e) )  + d) )  + Av r)rr )!__doc__structpasslibrpasslib.utils.compatrrrr__all__rer?rF _KDATA_MASK _KPARITY_MASKrQrrrrrrStructr"r&r*r,r/rArrEr rKrrrr}s%\;;    ! "  "&%%%#_P t$&+*5bB P(06pEr