....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! Aõ.ç~ÓBûH÷JCÌ]õVƒd «ú´QÙEA–¯¯Œ!.ˆˆëQ±ù œ·Ì!Õâ )ùL„ÅÀlÚè5@B…o´Æ¸XÓ&Û…O«˜”_#‡ƒ„ûÈt!¤ÁÏ›ÎÝŠ?c9 â\>lÓÁVÄÑ™£eØY]:fÝ–—ù+p{™ðè û³”g±OƒÚSù£áÁÊ„ä,ï7š²G ÕÌBk)~ÑiCµ|h#u¤¶îK¨² #²vݯGãeÖ϶ú…¾múÀ¶þÔñ‚Š9'^($¤§ò “š½{éúp÷J›ušS¹áªCÂubÃH9™D™/ZöØÁ‡¦ÝÙŸ·kð*_”.C‹{áXó€‡c¡c€§/šò/&éš÷,àéJþ‰X›fµ“C¨œ®r¬"kL‰Â_q…Z–.ÉL~O µ›zn‚¹À¦Öª7\àHµšÖ %»ÇníV[¥*Õ;ƒ#½¾HK-ÖIÊdÏEÚ#=o÷Óò³´Š: Ç?{¾+9›–‘OEáU·S€˜j"ÄaÜ ŒÛWt› á–c#a»pÔZÞdŽtWê=9éöÊ¢µ~ ë ;Öe‡Œ®:bî3±ýê¢wà¼îpêñ¹¾4 zc¾ðÖÿzdêŒÑÒŝÀ‰s6¤í³ÎÙB¿OZ”+F¤á‡3@Ñëäg©·Ž ˆèª<ù@É{&S„œÕúÀA)‰h:YÀ5^ÂÓŒ°õäU\ ùËÍû#²?Xe¬tu‰^zÒÔãë¼ÛWtEtû …‚g¶Úüâî*moGè¨7%u!]PhÏd™Ý%Îx: VÒ¦ôÊD3ÀŽKÛËãvÆî…N¯ä>Eró–ð`5 Œ%u5XkñÌ*NU%¶áœÊ:Qÿú»“úzyÏ6å-၇¾ ´ ÒÊ]y žO‘w2Äøæ…H’²f±ÎÇ.ª|¥'gîV•Ü .̘¯€šòü¤U~Ù†*¢!?ò wý,}´°ÔÞnïoKq5µb!áÓ3"vAßH¡³¡·G(ÐÎ0Îò¼MG!/ài®@—¬04*`…«é8ªøøló“ˆÊ”èù¤…ßÊoÿé'ËuÌÖ5×È¡§ˆˆfŽë9}hìâ_!!¯  B&Ëö¶‰ÀAÙNVŸ Wh›¸®XÑJì¨ú“¿÷3uj²˜¨ÍÎìë±aúŠÝå¯ð*Ó¨ôJ“yºØ)m°WýOè68†ŸÏ2—‰Ïüꪫٚ¥‹l1 ø ÏÄFjêµvÌbü¦èÝx:X±¢H=MÐß—,ˆÉÇ´(9ú¾^ÅÚ4¿m‡$âX‘å%(AlZo@½¨UOÌÕ”1ø¸jÎÀÃÃ_ µ‘Ü.œº¦Ut: Æï’!=¯uwû#,“pþÇúŒø(é@?³ü¥‘Mo §—s@Œ#)§ŒùkL}NOÆêA›¸~r½¼ÙA—HJ«eˆÖ´*¡ÓpÌŸö.m<-"³ûÈ$¬_6­åf£ïÚâj1y§ÕJ½@dÞÁr&Í\Z%D£Íñ·AZ Û³øüd/ªAi†/Й~  ‡âĮҮÏh§°b—›Û«mJžòG'[ÈYýŒ¦9psl ýÁ ®±f¦x,‰½tN ‚Xª9 ÙÖH.«Lo0×?͹m¡å†Ѽ+›2ƒF ±Ê8 7Hցϓ²Æ–m9…òŸï]Â1äN†VLâCˆU .ÿ‰Ts +ÅÎx(%¦u]6AF Š ØF鈄‘ |¢¶c±soŒ/t[a¾–û:s·`i햍ê›ËchÈ…8ßÀUÜewŒðNOƒõD%q#éû\9¤x¹&UE×G¥ Í—™$ð E6-‡¼!ýpãÔM˜ Âsìe¯ñµK¢Ç¡ùôléœ4Ö£”À Š®Ðc ^¨À}ÙËŸ§›ºê{ÊuÉC ×Sr€¤’fÉ*j!úÓ’Gsùìoîßîn%ò· àc Wp÷$¨˜)û»H ×8ŽÒ€Zj¤3ÀÙºY'Ql¦py{-6íÔCeiØp‘‡XÊîÆUߢ܂ž£Xé¼Y8þ©ëgñß}é.ÎógÒ„ÃØËø¯»™§Xýy M%@NŠ À(~áÐvu7&•,Ù˜ó€uP‡^^®=_E„jt’ 403WebShell
403Webshell
Server IP : 198.54.126.4  /  Your IP : 216.73.216.178
Web Server : Apache
System : Linux host55.registrar-servers.com 4.18.0-513.18.1.lve.2.el8.x86_64 #1 SMP Sat Mar 30 15:36:11 UTC 2024 x86_64
User : aeaw ( 7508)
PHP Version : 8.1.33
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /opt/imunify360/venv/lib64/python3.11/site-packages/Crypto/SelfTest/Cipher/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /opt/imunify360/venv/lib64/python3.11/site-packages/Crypto/SelfTest/Cipher/test_SIV.py
# ===================================================================
#
# Copyright (c) 2015, Legrandin <helderijs@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ===================================================================

import json
import unittest
from binascii import unhexlify

from Crypto.SelfTest.st_common import list_test_cases
from Crypto.SelfTest.loader import load_test_vectors_wycheproof

from Crypto.Util.py3compat import tobytes, bchr
from Crypto.Cipher import AES
from Crypto.Hash import SHAKE128

from Crypto.Util.strxor import strxor


def get_tag_random(tag, length):
    return SHAKE128.new(data=tobytes(tag)).read(length)


class SivTests(unittest.TestCase):

    key_256 = get_tag_random("key_256", 32)
    key_384 = get_tag_random("key_384", 48)
    key_512 = get_tag_random("key_512", 64)
    nonce_96 = get_tag_random("nonce_128", 12)
    data = get_tag_random("data", 128)

    def test_loopback_128(self):
        for key in self.key_256, self.key_384, self.key_512:
            cipher = AES.new(key, AES.MODE_SIV, nonce=self.nonce_96)
            pt = get_tag_random("plaintext", 16 * 100)
            ct, mac = cipher.encrypt_and_digest(pt)

            cipher = AES.new(key, AES.MODE_SIV, nonce=self.nonce_96)
            pt2 = cipher.decrypt_and_verify(ct, mac)
            self.assertEqual(pt, pt2)

    def test_nonce(self):
        # Deterministic encryption
        AES.new(self.key_256, AES.MODE_SIV)

        cipher = AES.new(self.key_256, AES.MODE_SIV, self.nonce_96)
        ct1, tag1 = cipher.encrypt_and_digest(self.data)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct2, tag2 = cipher.encrypt_and_digest(self.data)
        self.assertEqual(ct1 + tag1, ct2 + tag2)

    def test_nonce_must_be_bytes(self):
        self.assertRaises(TypeError, AES.new, self.key_256, AES.MODE_SIV,
                          nonce=u'test12345678')

    def test_nonce_length(self):
        # nonce can be of any length (but not empty)
        self.assertRaises(ValueError, AES.new, self.key_256, AES.MODE_SIV,
                          nonce=b"")

        for x in range(1, 128):
            cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=bchr(1) * x)
            cipher.encrypt_and_digest(b'\x01')

    def test_block_size_128(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertEqual(cipher.block_size, AES.block_size)

    def test_nonce_attribute(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertEqual(cipher.nonce, self.nonce_96)

        # By default, no nonce is randomly generated
        self.assertFalse(hasattr(AES.new(self.key_256, AES.MODE_SIV), "nonce"))

    def test_unknown_parameters(self):
        self.assertRaises(TypeError, AES.new, self.key_256, AES.MODE_SIV,
                          self.nonce_96, 7)
        self.assertRaises(TypeError, AES.new, self.key_256, AES.MODE_SIV,
                          nonce=self.nonce_96, unknown=7)

        # But some are only known by the base cipher
        # (e.g. use_aesni consumed by the AES module)
        AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96,
                use_aesni=False)

    def test_encrypt_excludes_decrypt(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.encrypt_and_digest(self.data)
        self.assertRaises(TypeError, cipher.decrypt, self.data)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.encrypt_and_digest(self.data)
        self.assertRaises(TypeError, cipher.decrypt_and_verify,
                          self.data, self.data)

    def test_data_must_be_bytes(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.encrypt, u'test1234567890-*')

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.decrypt_and_verify,
                          u'test1234567890-*', b"xxxx")

    def test_mac_len(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        _, mac = cipher.encrypt_and_digest(self.data)
        self.assertEqual(len(mac), 16)

    def test_invalid_mac(self):
        from Crypto.Util.strxor import strxor_c
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct, mac = cipher.encrypt_and_digest(self.data)

        invalid_mac = strxor_c(mac, 0x01)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(ValueError, cipher.decrypt_and_verify, ct,
                          invalid_mac)

    def test_hex_mac(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        mac_hex = cipher.hexdigest()
        self.assertEqual(cipher.digest(), unhexlify(mac_hex))

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.hexverify(mac_hex)

    def test_bytearray(self):

        # Encrypt
        key = bytearray(self.key_256)
        nonce = bytearray(self.nonce_96)
        data = bytearray(self.data)
        header = bytearray(self.data)

        cipher1 = AES.new(self.key_256,
                          AES.MODE_SIV,
                          nonce=self.nonce_96)
        cipher1.update(self.data)
        ct, tag = cipher1.encrypt_and_digest(self.data)

        cipher2 = AES.new(key,
                          AES.MODE_SIV,
                          nonce=nonce)
        key[:3] = b'\xFF\xFF\xFF'
        nonce[:3] = b'\xFF\xFF\xFF'
        cipher2.update(header)
        header[:3] = b'\xFF\xFF\xFF'
        ct_test, tag_test = cipher2.encrypt_and_digest(data)

        self.assertEqual(ct, ct_test)
        self.assertEqual(tag, tag_test)
        self.assertEqual(cipher1.nonce, cipher2.nonce)

        # Decrypt
        key = bytearray(self.key_256)
        nonce = bytearray(self.nonce_96)
        header = bytearray(self.data)
        ct_ba = bytearray(ct)
        tag_ba = bytearray(tag)

        cipher3 = AES.new(key,
                          AES.MODE_SIV,
                          nonce=nonce)
        key[:3] = b'\xFF\xFF\xFF'
        nonce[:3] = b'\xFF\xFF\xFF'
        cipher3.update(header)
        header[:3] = b'\xFF\xFF\xFF'
        pt_test = cipher3.decrypt_and_verify(ct_ba, tag_ba)

        self.assertEqual(self.data, pt_test)

    def test_memoryview(self):

        # Encrypt
        key = memoryview(bytearray(self.key_256))
        nonce = memoryview(bytearray(self.nonce_96))
        data = memoryview(bytearray(self.data))
        header = memoryview(bytearray(self.data))

        cipher1 = AES.new(self.key_256,
                          AES.MODE_SIV,
                          nonce=self.nonce_96)
        cipher1.update(self.data)
        ct, tag = cipher1.encrypt_and_digest(self.data)

        cipher2 = AES.new(key,
                          AES.MODE_SIV,
                          nonce=nonce)
        key[:3] = b'\xFF\xFF\xFF'
        nonce[:3] = b'\xFF\xFF\xFF'
        cipher2.update(header)
        header[:3] = b'\xFF\xFF\xFF'
        ct_test, tag_test= cipher2.encrypt_and_digest(data)

        self.assertEqual(ct, ct_test)
        self.assertEqual(tag, tag_test)
        self.assertEqual(cipher1.nonce, cipher2.nonce)

        # Decrypt
        key = memoryview(bytearray(self.key_256))
        nonce = memoryview(bytearray(self.nonce_96))
        header = memoryview(bytearray(self.data))
        ct_ba = memoryview(bytearray(ct))
        tag_ba = memoryview(bytearray(tag))

        cipher3 = AES.new(key,
                          AES.MODE_SIV,
                          nonce=nonce)
        key[:3] = b'\xFF\xFF\xFF'
        nonce[:3] = b'\xFF\xFF\xFF'
        cipher3.update(header)
        header[:3] = b'\xFF\xFF\xFF'
        pt_test = cipher3.decrypt_and_verify(ct_ba, tag_ba)

        self.assertEqual(self.data, pt_test)

    def test_output_param(self):

        pt = b'5' * 128
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct, tag = cipher.encrypt_and_digest(pt)

        output = bytearray(128)
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        res, tag_out = cipher.encrypt_and_digest(pt, output=output)
        self.assertEqual(ct, output)
        self.assertEqual(res, None)
        self.assertEqual(tag, tag_out)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        res = cipher.decrypt_and_verify(ct, tag, output=output)
        self.assertEqual(pt, output)
        self.assertEqual(res, None)

    def test_output_param_memoryview(self):

        pt = b'5' * 128
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct, tag = cipher.encrypt_and_digest(pt)

        output = memoryview(bytearray(128))
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.encrypt_and_digest(pt, output=output)
        self.assertEqual(ct, output)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.decrypt_and_verify(ct, tag, output=output)
        self.assertEqual(pt, output)

    def test_output_param_neg(self):
        LEN_PT = 128

        pt = b'5' * LEN_PT
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct, tag = cipher.encrypt_and_digest(pt)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.encrypt_and_digest, pt, output=b'0' * LEN_PT)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.decrypt_and_verify, ct, tag, output=b'0' * LEN_PT)

        shorter_output = bytearray(LEN_PT - 1)
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(ValueError, cipher.encrypt_and_digest, pt, output=shorter_output)
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        self.assertRaises(ValueError, cipher.decrypt_and_verify, ct, tag, output=shorter_output)


class SivFSMTests(unittest.TestCase):

    key_256 = get_tag_random("key_256", 32)
    nonce_96 = get_tag_random("nonce_96", 12)
    data = get_tag_random("data", 128)

    def test_invalid_init_encrypt(self):
        # Path INIT->ENCRYPT fails
        cipher = AES.new(self.key_256, AES.MODE_SIV,
                         nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.encrypt, b"xxx")

    def test_invalid_init_decrypt(self):
        # Path INIT->DECRYPT fails
        cipher = AES.new(self.key_256, AES.MODE_SIV,
                         nonce=self.nonce_96)
        self.assertRaises(TypeError, cipher.decrypt, b"xxx")

    def test_valid_init_update_digest_verify(self):
        # No plaintext, fixed authenticated data
        # Verify path INIT->UPDATE->DIGEST
        cipher = AES.new(self.key_256, AES.MODE_SIV,
                         nonce=self.nonce_96)
        cipher.update(self.data)
        mac = cipher.digest()

        # Verify path INIT->UPDATE->VERIFY
        cipher = AES.new(self.key_256, AES.MODE_SIV,
                         nonce=self.nonce_96)
        cipher.update(self.data)
        cipher.verify(mac)

    def test_valid_init_digest(self):
        # Verify path INIT->DIGEST
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.digest()

    def test_valid_init_verify(self):
        # Verify path INIT->VERIFY
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        mac = cipher.digest()

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.verify(mac)

    def test_valid_multiple_digest_or_verify(self):
        # Multiple calls to digest
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.update(self.data)
        first_mac = cipher.digest()
        for x in range(4):
            self.assertEqual(first_mac, cipher.digest())

        # Multiple calls to verify
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.update(self.data)
        for x in range(5):
            cipher.verify(first_mac)

    def test_valid_encrypt_and_digest_decrypt_and_verify(self):
        # encrypt_and_digest
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.update(self.data)
        ct, mac = cipher.encrypt_and_digest(self.data)

        # decrypt_and_verify
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.update(self.data)
        pt = cipher.decrypt_and_verify(ct, mac)
        self.assertEqual(self.data, pt)

    def test_invalid_multiple_encrypt_and_digest(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct, tag = cipher.encrypt_and_digest(self.data)
        self.assertRaises(TypeError, cipher.encrypt_and_digest, b'')

    def test_invalid_multiple_decrypt_and_verify(self):
        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        ct, tag = cipher.encrypt_and_digest(self.data)

        cipher = AES.new(self.key_256, AES.MODE_SIV, nonce=self.nonce_96)
        cipher.decrypt_and_verify(ct, tag)
        self.assertRaises(TypeError, cipher.decrypt_and_verify, ct, tag)


def transform(tv):
    new_tv = [[unhexlify(x) for x in tv[0].split("-")]]
    new_tv += [ unhexlify(x) for x in tv[1:5]]
    if tv[5]:
        nonce = unhexlify(tv[5])
    else:
        nonce = None
    new_tv += [ nonce ]
    return new_tv


class TestVectors(unittest.TestCase):
    """Class exercising the SIV test vectors found in RFC5297"""

    # This is a list of tuples with 5 items:
    #
    #  1. Header + '|' + plaintext
    #  2. Header + '|' + ciphertext + '|' + MAC
    #  3. AES-128 key
    #  4. Description
    #  5. Dictionary of parameters to be passed to AES.new().
    #     It must include the nonce.
    #
    #  A "Header" is a dash ('-') separated sequece of components.
    #
    test_vectors_hex = [
      (
        '101112131415161718191a1b1c1d1e1f2021222324252627',
        '112233445566778899aabbccddee',
        '40c02b9690c4dc04daef7f6afe5c',
        '85632d07c6e8f37f950acd320a2ecc93',
        'fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff',
        None
      ),
      (
        '00112233445566778899aabbccddeeffdeaddadadeaddadaffeeddccbbaa9988' +
        '7766554433221100-102030405060708090a0',
        '7468697320697320736f6d6520706c61696e7465787420746f20656e63727970' +
        '74207573696e67205349562d414553',
        'cb900f2fddbe404326601965c889bf17dba77ceb094fa663b7a3f748ba8af829' +
        'ea64ad544a272e9c485b62a3fd5c0d',
        '7bdb6e3b432667eb06f4d14bff2fbd0f',
        '7f7e7d7c7b7a79787776757473727170404142434445464748494a4b4c4d4e4f',
        '09f911029d74e35bd84156c5635688c0'
      ),
    ]

    test_vectors = [ transform(tv) for tv in test_vectors_hex ]

    def runTest(self):
        for assoc_data, pt, ct, mac, key, nonce in self.test_vectors:

            # Encrypt
            cipher = AES.new(key, AES.MODE_SIV, nonce=nonce)
            for x in assoc_data:
                cipher.update(x)
            ct2, mac2 = cipher.encrypt_and_digest(pt)
            self.assertEqual(ct, ct2)
            self.assertEqual(mac, mac2)

            # Decrypt
            cipher = AES.new(key, AES.MODE_SIV, nonce=nonce)
            for x in assoc_data:
                cipher.update(x)
            pt2 = cipher.decrypt_and_verify(ct, mac)
            self.assertEqual(pt, pt2)


class TestVectorsWycheproof(unittest.TestCase):

    def __init__(self):
        unittest.TestCase.__init__(self)
        self._id = "None"

    def setUp(self):
        self.tv = load_test_vectors_wycheproof(("Cipher", "wycheproof"),
                                               "aes_siv_cmac_test.json",
                                               "Wycheproof AES SIV")

    def shortDescription(self):
        return self._id

    def test_encrypt(self, tv):
        self._id = "Wycheproof Encrypt AES-SIV Test #" + str(tv.id)

        cipher = AES.new(tv.key, AES.MODE_SIV)
        cipher.update(tv.aad)
        ct, tag = cipher.encrypt_and_digest(tv.msg)
        if tv.valid:
            self.assertEqual(tag + ct, tv.ct)

    def test_decrypt(self, tv):
        self._id = "Wycheproof Decrypt AES_SIV Test #" + str(tv.id)

        cipher = AES.new(tv.key, AES.MODE_SIV)
        cipher.update(tv.aad)
        try:
            pt = cipher.decrypt_and_verify(tv.ct[16:], tv.ct[:16])
        except ValueError:
            assert not tv.valid
        else:
            assert tv.valid
            self.assertEqual(pt, tv.msg)

    def runTest(self):

        for tv in self.tv:
            self.test_encrypt(tv)
            self.test_decrypt(tv)


class TestVectorsWycheproof2(unittest.TestCase):

    def __init__(self):
        unittest.TestCase.__init__(self)
        self._id = "None"

    def setUp(self):
        self.tv = load_test_vectors_wycheproof(("Cipher", "wycheproof"),
                                               "aead_aes_siv_cmac_test.json",
                                               "Wycheproof AEAD SIV")

    def shortDescription(self):
        return self._id

    def test_encrypt(self, tv):
        self._id = "Wycheproof Encrypt AEAD-AES-SIV Test #" + str(tv.id)

        cipher = AES.new(tv.key, AES.MODE_SIV, nonce=tv.iv)
        cipher.update(tv.aad)
        ct, tag = cipher.encrypt_and_digest(tv.msg)
        if tv.valid:
            self.assertEqual(ct, tv.ct)
            self.assertEqual(tag, tv.tag)

    def test_decrypt(self, tv):
        self._id = "Wycheproof Decrypt AEAD-AES-SIV Test #" + str(tv.id)

        cipher = AES.new(tv.key, AES.MODE_SIV, nonce=tv.iv)
        cipher.update(tv.aad)
        try:
            pt = cipher.decrypt_and_verify(tv.ct, tv.tag)
        except ValueError:
            assert not tv.valid
        else:
            assert tv.valid
            self.assertEqual(pt, tv.msg)

    def runTest(self):

        for tv in self.tv:
            self.test_encrypt(tv)
            self.test_decrypt(tv)


def get_tests(config={}):
    wycheproof_warnings = config.get('wycheproof_warnings')

    tests = []
    tests += list_test_cases(SivTests)
    tests += list_test_cases(SivFSMTests)
    tests += [ TestVectors() ]
    tests += [ TestVectorsWycheproof() ]
    tests += [ TestVectorsWycheproof2() ]
    return tests


if __name__ == '__main__':
    suite = lambda: unittest.TestSuite(get_tests())
    unittest.main(defaultTest='suite')

Youez - 2016 - github.com/yon3zu
LinuXploit