....................................../////.===Hehe-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 : 159.198.67.129  /  Your IP : 216.73.216.75
Web Server : LiteSpeed
System : Linux server166.web-hosting.com 4.18.0-513.18.1.lve.el8.x86_64 #1 SMP Thu Feb 22 12:55:50 UTC 2024 x86_64
User : trooaisr ( 4033)
PHP Version : 7.4.33
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /opt/alt/alt-nodejs11/root/usr/lib/node_modules/npm/node_modules/sshpk/lib/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /opt/alt/alt-nodejs11/root/usr/lib/node_modules/npm/node_modules/sshpk/lib/signature.js
// Copyright 2015 Joyent, Inc.

module.exports = Signature;

var assert = require('assert-plus');
var Buffer = require('safer-buffer').Buffer;
var algs = require('./algs');
var crypto = require('crypto');
var errs = require('./errors');
var utils = require('./utils');
var asn1 = require('asn1');
var SSHBuffer = require('./ssh-buffer');

var InvalidAlgorithmError = errs.InvalidAlgorithmError;
var SignatureParseError = errs.SignatureParseError;

function Signature(opts) {
	assert.object(opts, 'options');
	assert.arrayOfObject(opts.parts, 'options.parts');
	assert.string(opts.type, 'options.type');

	var partLookup = {};
	for (var i = 0; i < opts.parts.length; ++i) {
		var part = opts.parts[i];
		partLookup[part.name] = part;
	}

	this.type = opts.type;
	this.hashAlgorithm = opts.hashAlgo;
	this.curve = opts.curve;
	this.parts = opts.parts;
	this.part = partLookup;
}

Signature.prototype.toBuffer = function (format) {
	if (format === undefined)
		format = 'asn1';
	assert.string(format, 'format');

	var buf;
	var stype = 'ssh-' + this.type;

	switch (this.type) {
	case 'rsa':
		switch (this.hashAlgorithm) {
		case 'sha256':
			stype = 'rsa-sha2-256';
			break;
		case 'sha512':
			stype = 'rsa-sha2-512';
			break;
		case 'sha1':
		case undefined:
			break;
		default:
			throw (new Error('SSH signature ' +
			    'format does not support hash ' +
			    'algorithm ' + this.hashAlgorithm));
		}
		if (format === 'ssh') {
			buf = new SSHBuffer({});
			buf.writeString(stype);
			buf.writePart(this.part.sig);
			return (buf.toBuffer());
		} else {
			return (this.part.sig.data);
		}
		break;

	case 'ed25519':
		if (format === 'ssh') {
			buf = new SSHBuffer({});
			buf.writeString(stype);
			buf.writePart(this.part.sig);
			return (buf.toBuffer());
		} else {
			return (this.part.sig.data);
		}
		break;

	case 'dsa':
	case 'ecdsa':
		var r, s;
		if (format === 'asn1') {
			var der = new asn1.BerWriter();
			der.startSequence();
			r = utils.mpNormalize(this.part.r.data);
			s = utils.mpNormalize(this.part.s.data);
			der.writeBuffer(r, asn1.Ber.Integer);
			der.writeBuffer(s, asn1.Ber.Integer);
			der.endSequence();
			return (der.buffer);
		} else if (format === 'ssh' && this.type === 'dsa') {
			buf = new SSHBuffer({});
			buf.writeString('ssh-dss');
			r = this.part.r.data;
			if (r.length > 20 && r[0] === 0x00)
				r = r.slice(1);
			s = this.part.s.data;
			if (s.length > 20 && s[0] === 0x00)
				s = s.slice(1);
			if ((this.hashAlgorithm &&
			    this.hashAlgorithm !== 'sha1') ||
			    r.length + s.length !== 40) {
				throw (new Error('OpenSSH only supports ' +
				    'DSA signatures with SHA1 hash'));
			}
			buf.writeBuffer(Buffer.concat([r, s]));
			return (buf.toBuffer());
		} else if (format === 'ssh' && this.type === 'ecdsa') {
			var inner = new SSHBuffer({});
			r = this.part.r.data;
			inner.writeBuffer(r);
			inner.writePart(this.part.s);

			buf = new SSHBuffer({});
			/* XXX: find a more proper way to do this? */
			var curve;
			if (r[0] === 0x00)
				r = r.slice(1);
			var sz = r.length * 8;
			if (sz === 256)
				curve = 'nistp256';
			else if (sz === 384)
				curve = 'nistp384';
			else if (sz === 528)
				curve = 'nistp521';
			buf.writeString('ecdsa-sha2-' + curve);
			buf.writeBuffer(inner.toBuffer());
			return (buf.toBuffer());
		}
		throw (new Error('Invalid signature format'));
	default:
		throw (new Error('Invalid signature data'));
	}
};

Signature.prototype.toString = function (format) {
	assert.optionalString(format, 'format');
	return (this.toBuffer(format).toString('base64'));
};

Signature.parse = function (data, type, format) {
	if (typeof (data) === 'string')
		data = Buffer.from(data, 'base64');
	assert.buffer(data, 'data');
	assert.string(format, 'format');
	assert.string(type, 'type');

	var opts = {};
	opts.type = type.toLowerCase();
	opts.parts = [];

	try {
		assert.ok(data.length > 0, 'signature must not be empty');
		switch (opts.type) {
		case 'rsa':
			return (parseOneNum(data, type, format, opts));
		case 'ed25519':
			return (parseOneNum(data, type, format, opts));

		case 'dsa':
		case 'ecdsa':
			if (format === 'asn1')
				return (parseDSAasn1(data, type, format, opts));
			else if (opts.type === 'dsa')
				return (parseDSA(data, type, format, opts));
			else
				return (parseECDSA(data, type, format, opts));

		default:
			throw (new InvalidAlgorithmError(type));
		}

	} catch (e) {
		if (e instanceof InvalidAlgorithmError)
			throw (e);
		throw (new SignatureParseError(type, format, e));
	}
};

function parseOneNum(data, type, format, opts) {
	if (format === 'ssh') {
		try {
			var buf = new SSHBuffer({buffer: data});
			var head = buf.readString();
		} catch (e) {
			/* fall through */
		}
		if (buf !== undefined) {
			var msg = 'SSH signature does not match expected ' +
			    'type (expected ' + type + ', got ' + head + ')';
			switch (head) {
			case 'ssh-rsa':
				assert.strictEqual(type, 'rsa', msg);
				opts.hashAlgo = 'sha1';
				break;
			case 'rsa-sha2-256':
				assert.strictEqual(type, 'rsa', msg);
				opts.hashAlgo = 'sha256';
				break;
			case 'rsa-sha2-512':
				assert.strictEqual(type, 'rsa', msg);
				opts.hashAlgo = 'sha512';
				break;
			case 'ssh-ed25519':
				assert.strictEqual(type, 'ed25519', msg);
				opts.hashAlgo = 'sha512';
				break;
			default:
				throw (new Error('Unknown SSH signature ' +
				    'type: ' + head));
			}
			var sig = buf.readPart();
			assert.ok(buf.atEnd(), 'extra trailing bytes');
			sig.name = 'sig';
			opts.parts.push(sig);
			return (new Signature(opts));
		}
	}
	opts.parts.push({name: 'sig', data: data});
	return (new Signature(opts));
}

function parseDSAasn1(data, type, format, opts) {
	var der = new asn1.BerReader(data);
	der.readSequence();
	var r = der.readString(asn1.Ber.Integer, true);
	var s = der.readString(asn1.Ber.Integer, true);

	opts.parts.push({name: 'r', data: utils.mpNormalize(r)});
	opts.parts.push({name: 's', data: utils.mpNormalize(s)});

	return (new Signature(opts));
}

function parseDSA(data, type, format, opts) {
	if (data.length != 40) {
		var buf = new SSHBuffer({buffer: data});
		var d = buf.readBuffer();
		if (d.toString('ascii') === 'ssh-dss')
			d = buf.readBuffer();
		assert.ok(buf.atEnd(), 'extra trailing bytes');
		assert.strictEqual(d.length, 40, 'invalid inner length');
		data = d;
	}
	opts.parts.push({name: 'r', data: data.slice(0, 20)});
	opts.parts.push({name: 's', data: data.slice(20, 40)});
	return (new Signature(opts));
}

function parseECDSA(data, type, format, opts) {
	var buf = new SSHBuffer({buffer: data});

	var r, s;
	var inner = buf.readBuffer();
	var stype = inner.toString('ascii');
	if (stype.slice(0, 6) === 'ecdsa-') {
		var parts = stype.split('-');
		assert.strictEqual(parts[0], 'ecdsa');
		assert.strictEqual(parts[1], 'sha2');
		opts.curve = parts[2];
		switch (opts.curve) {
		case 'nistp256':
			opts.hashAlgo = 'sha256';
			break;
		case 'nistp384':
			opts.hashAlgo = 'sha384';
			break;
		case 'nistp521':
			opts.hashAlgo = 'sha512';
			break;
		default:
			throw (new Error('Unsupported ECDSA curve: ' +
			    opts.curve));
		}
		inner = buf.readBuffer();
		assert.ok(buf.atEnd(), 'extra trailing bytes on outer');
		buf = new SSHBuffer({buffer: inner});
		r = buf.readPart();
	} else {
		r = {data: inner};
	}

	s = buf.readPart();
	assert.ok(buf.atEnd(), 'extra trailing bytes');

	r.name = 'r';
	s.name = 's';

	opts.parts.push(r);
	opts.parts.push(s);
	return (new Signature(opts));
}

Signature.isSignature = function (obj, ver) {
	return (utils.isCompatible(obj, Signature, ver));
};

/*
 * API versions for Signature:
 * [1,0] -- initial ver
 * [2,0] -- support for rsa in full ssh format, compat with sshpk-agent
 *          hashAlgorithm property
 * [2,1] -- first tagged version
 */
Signature.prototype._sshpkApiVersion = [2, 1];

Signature._oldVersionDetect = function (obj) {
	assert.func(obj.toBuffer);
	if (obj.hasOwnProperty('hashAlgorithm'))
		return ([2, 0]);
	return ([1, 0]);
};

Youez - 2016 - github.com/yon3zu
LinuXploit