砍敺 IT_man 2014-12-11 22:31 蝺刻摩 2 J5 J! D# a- R, F
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望潭蝬脩摮撖閬,閬銴撖瞍蝞瘜嚗甇日豢3DES撖 3DES撖(Triple DES)嚗臭撖瞍蝞瘜蝔梧3DES望蝔格芋撘嚗銝V蝝寧浩CB璅∪撖急 擐瑼X召inux臬行摰鋆mcrypt璅∠嚗寞憒銝:
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- rpm -qa | grep php-mcrypt
銴鋆賭誨蝣 3 }' @! Q! s( n4 P9 p+ E- Q
其蝬脩撱箔php瑼嚗憒phpinfo.php(批捆憒銝)亦臬行mcrypt module
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- <?php
/ z: n" l+ M% f" J1 | C/ T9 | - // Show all information, defaults to INFO_ALL
' A0 x9 }: ]3 L( L - phpinfo();+ {+ B& D& v/ j
- ?>
銴鋆賭誨蝣 ' l6 D$ a2 |8 ^" K9 `; j' Q
嗅嬌rowser 瑁phpinfo.php嚗蝯憒銝:" |( ]4 S* X% L' G0 U, l
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$ Y; z5 t5 T7 M* P( i& G& U憒瘝摰鋆php-mcrypt嚗脰摰鋆(摰鋆寞)嚗摰鋆摰敺隞乩餈啣拍車寞銝隞交炎乓 銋敺撠勗臭誑啣神撖蝔撘憒銝嚗
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- //撖賣豢啣神: f0 y( M5 r% f+ Y4 g; M
- function encrypt($source,$toencrypt){ 0 d' j6 [5 q% A( ]; i& B7 _! r6 m
- //撖函key
3 ]1 A# K: J' n- V! l - $key = $source;
. Y p0 q' ]& ]1 w+ y - //雿輻3DES寞撖
' p+ z' I% q1 R9 d - $encryptMethod = MCRYPT_TRIPLEDES; E: O# ^5 r3 S% M( f
- //憪靘憓摰冽
+ q( X7 ~2 F5 u4 T* ^ - $iv = mcrypt_create_iv(mcrypt_get_iv_size($encryptMethod,MCRYPT_MODE_ECB), MCRYPT_RAND);
, W6 L: ~3 K6 s! Z - //雿輻皂crypt_encrypt賣詨撖嚗MCRYPT_MODE_ECB銵函內雿輻汞CB璅∪
9 J4 R; ?; X- ~1 X8 t9 Q - $encrypted_toencrypt = mcrypt_encrypt($encryptMethod, $key, $toencrypt, MCRYPT_MODE_ECB,$iv);
$ z% n- M) t @' [& `5 I - //唾圾撖敺摮銝& b+ p' f ?2 P9 h* r, y1 I
- return base64_encode($encrypted_toencrypt);
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/ v N7 Y) a) p0 V9 [. r - //閫撖賣豢啣神+ M" q/ {0 C) `
- function decrypt($source,$todecrypt) {
. E2 K# m& Y: W7 @+ K - //閫撖函key嚗敹頝撖函key銝璅
$ Z9 ~" G7 x7 T+ Q - $key = $source; & O: d4 y* X$ `/ n9 e1 K( v% k
- //閫撖閫base64蝣
+ G9 G# I7 @% h& p- n - $todecrypt = base64_decode($todecrypt);1 x, [4 v# o, |
- //雿輻3DES寞閫撖. C9 s2 t# ?! y. y" L0 J% C2 m
- $encryptMethod = MCRYPT_TRIPLEDES; , N7 c! `8 b' d2 U
- //憪靘憓摰冽
7 l0 |' R d7 {: o - $iv = mcrypt_create_iv(mcrypt_get_iv_size($encryptMethod,MCRYPT_MODE_ECB), MCRYPT_RAND); # N$ ?* [+ W5 g% E3 C0 C" o
- //雿輻皂crypt_decrypt賣貉圾撖嚗MCRYPT_MODE_ECB銵函內雿輻汞CB璅∪ ( u. Y) Q7 }7 c3 X' u
- $decrypted_todecrypt = mcrypt_decrypt($encryptMethod, $key, $todecrypt, MCRYPT_MODE_ECB,$iv);
- C. J$ Z5 f: F, _: A4 q2 g - //唾圾撖敺摮銝
6 n7 o5 A, Y( }4 n# f - return $decrypted_todecrypt;
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$ H$ r/ I% s+ o% S3 ~. e - //撖怠末閫撖賣訾敺嚗撠勗臭誑靘脰皜祈岫鈭
* r& _# _+ R5 u# x7 ?0 b. V8 j - //key閮剖
* n- S* f0 C% E6 l8 b - $source ="1234567890";) n/ \, [2 ?# U A. x# o
- //閬撖摮銝6 _/ e+ c* f9 _# G0 N# d: L
- $string ="www.av4u.co";
! S5 b5 Y; ~8 y# h$ Z# b - echo "string=".$string."<br>";8 d2 W, x0 k3 T! q, K, o5 O
- //脰撖銝阡*蝷箏撖敺摮銝
% F0 R, g3 t$ W" {" n6 p - $encode = encrypt($source,$string);
K8 Q1 t0 t% y3 B) l - echo "encode=".$encode."<br>";
$ D8 q3 q4 R L/ [1 v* D& f9 ? - //脰閫撖銝阡*蝷箄圾撖敺摮銝3 n( w! X$ i0 F: u Q, r1 z
- $decode = decrypt($source,$encode);0 h* s# n7 E, E, I# w
- echo "decode=".$decode."<br>";
銴鋆賭誨蝣$ x! z' }/ a e; t0 ]
蝯憒銝:
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瘜冽: 憒閫撖蝔瘝雿輻灸ase64蝣潛閰梧頝函雯鞈唾撓嚗交嗥垢⊥閫霈(臬撖敺鞈唾撓航炊嚗雿臬典銝蝬脩抒閫撖舀憿)嚗蝯憒銝: * Q& y! S% V1 E: E
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