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原创作者:柔肠寸断 [3.A.S.T] http://www.3ast.com.cm |- G$ _# m' J
原始出处:http://www.3ast.com.cm: _' x" G4 A% q A" H: T4 s( k
% E$ O) b- `9 j) p$ s
看不懂的直接绕过$ }8 V4 d& w) P
加密前为:hwy1234560 H/ ~, g: X7 i8 @
加密后为0F9C1C7A2EE76EBB5C1F4D7526CC4F883F4E" t; K) G1 G' s9 H9 P
# g' M* p- D8 D1 G7 |5 M2 t4 @( c============================================
% q+ m( ^" ~3 u+ s上面是当时自己校内的心情。现在已经解破出来了,分享给大家9 t/ L1 i) w+ p/ `
也就不隐瞒大家什么了,这个是国内某知名大学的后台加密算法1 s5 H9 f f9 ~! v: g" V! z$ T
以下是RSA算法文件
9 N" Z: A3 B9 ?' s8 |
. j; ` J. O# S/ Z e5 S O9 Q文件名RSA.ASP; O* I# S! O/ M. p
===============================================
6 A) y& x7 r3 {. f1 V9 Z! ?<%
' X8 i g' M! j# y1 g nClass clsRSA 8 v; D' }6 q* i' U5 l% G
Public PrivateKey : H. J. E3 }$ E' Y: S A0 S
Public PublicKey
' w- m, S( e4 j+ {" GPublic Modulus ! \& Y3 s/ P3 N9 O0 t
Public Function Crypt(pLngMessage, pLngKey)
, F/ R" v. s3 i7 a! H0 a: L! F' dOn Error Resume Next
. L. j% d4 h# n1 b# l: @Dim lLngMod
: Y1 S8 B4 A' J2 m8 L1 A( n3 HDim lLngResult
9 X$ n; ]7 a2 ^1 s! P! QDim lLngIndex # R+ r/ P: V) R9 r6 J6 r* i. J+ Y
If pLngKey Mod 2 = 0 Then
& I' k8 y# j6 a- G' ClLngResult = 1
: ]& W+ b% {" u9 ?+ YFor lLngIndex = 1 To pLngKey / 2 ! L3 H; p( j i. \: h
lLngMod = (pLngMessage ^ 2) Mod Modulus 9 z4 ^$ {' @* J: M6 m
' Mod may error on key generation 9 D: v+ Z' w2 t5 ?3 S/ U
lLngResult = (lLngMod * lLngResult) Mod Modulus * o: x( ?( i) Z' ]
If Err Then Exit Function 5 h" _, j0 @/ }
Next , r) ~! Z* l3 H$ q/ M! }
Else
0 r* b; P5 D! E( Y9 C2 QlLngResult = pLngMessage / j7 a m- i$ E
For lLngIndex = 1 To pLngKey / 2
4 J5 |& l8 a6 O3 h% @8 {$ vlLngMod = (pLngMessage ^ 2) Mod Modulus
, }0 ?* [6 u1 tOn Error Resume Next + n: d6 l; u. Q x2 b
' Mod may error on key generation
8 j& R4 ]! f& K; v4 QlLngResult = (lLngMod * lLngResult) Mod Modulus + `$ H! G# c: I: P. M& g
If Err Then Exit Function
* H$ o0 N0 d+ @" O0 m5 I: f9 @+ TNext 3 S4 W! V( C: P
End If , E+ }+ F: X; Q4 g- U' s
Crypt = lLngResult
. _( i. T5 ^8 [7 T/ KEnd Function( @) S# H8 u+ g5 ^
4 _/ f8 u. H4 _; m& k% hPublic Function Encode(ByVal pStrMessage) 9 u9 r+ `7 T/ q0 t Y
Dim lLngIndex
, o) c; S3 E% J5 P/ u& fDim lLngMaxIndex
5 A' d# y! D$ F8 x3 `, d1 nDim lBytAscii 1 S1 C, @! P' G. E- i) l" V
Dim lLngEncrypted
& P3 o t( E7 _% J# V% p% o* @! klLngMaxIndex = Len(pStrMessage)
) Q5 U" ?: |! T& o. ~If lLngMaxIndex = 0 Then Exit Function
" p. t# r% |% `+ |For lLngIndex = 1 To lLngMaxIndex / C. b2 \& |; N* v3 Y7 E
lBytAscii = Asc(Mid(pStrMessage, lLngIndex, 1))
, B V8 J7 y9 m* TlLngEncrypted = Crypt(lBytAscii, PublicKey) 7 F$ t* c# A0 E9 }
Encode = Encode & NumberToHex(lLngEncrypted, 4)
" O$ E+ y) d, sNext
3 O6 u! q, H4 o) ]End Function 9 S8 g% m1 O6 K7 W7 t
Public Function Decode(ByVal pStrMessage) 3 ?* q* [3 e4 f+ w! `
Dim lBytAscii
/ ~# y- x& b! C1 e( L/ V5 eDim lLngIndex ) k" x0 b" @+ G: _. Q
Dim lLngMaxIndex
! o7 @2 X1 S$ J+ o3 h- }Dim lLngEncryptedData 8 h2 `/ v( T+ _ k
Decode = ""
; y& b5 @/ V% i4 w3 XlLngMaxIndex = Len(pStrMessage)
" ^; o# e6 L; G. f2 L8 p5 B' VFor lLngIndex = 1 To lLngMaxIndex Step 4
! ~1 J, R3 o" ?% Q4 o( R5 @ wlLngEncryptedData = HexToNumber(Mid(pStrMessage, lLngIndex, 4)) 2 P! [* ^ }0 G j- a) S$ [; u8 I
lBytAscii = Crypt(lLngEncryptedData, PrivateKey)
+ l% y9 Y1 M/ V4 @6 c7 pDecode = Decode & Chr(lBytAscii)
4 J$ m% C" @" [+ H4 TNext
) { ?4 i2 X: T _0 yEnd Function ( Y) r7 L: M+ J0 m: H u+ i: N# W
Private Function NumberToHex(ByRef pLngNumber, ByRef pLngLength)
$ z$ _ o4 q. ]& c' INumberToHex = Right(String(pLngLength, "0") & Hex(pLngNumber), pLngLength)
/ w" O# O* @6 ~4 [5 _5 |End Function / P/ W! S9 s$ q# E
Private Function HexToNumber(ByRef pStrHex)
- m# k, C, [% f& \HexToNumber = CLng("&h" & pStrHex) ) v3 b. b9 t( H. g
End Function
3 A: Y& ^' b: @% S6 JEnd Class
7 @. G; D( ^! {" a p- nfunction Encryptstr(Message)
2 J1 _( z" \( O( v7 h: R- H$ r8 \Dim LngKeyE " _* C, \ }+ x) ^1 ?+ w
Dim LngKeyD
9 l$ X; C k! h l9 I2 a) U4 BDim LngKeyN # W0 w' V2 N9 h' v" j
Dim StrMessage - U0 Q4 G* i' x8 Z: |% i) I
Dim ObjRSA 5 ]# b4 G& z7 @; n# Z- `- P# s# a
LngKeyE = "32823" * n# ~0 D @2 L7 c
LngKeyD = "20643"
$ M9 _7 [2 S7 N+ S4 `- nLngKeyN = "29893" : q3 Z2 ?, _9 g7 m/ o
StrMessage = Message % f/ b% L: P; }: f- l
Set ObjRSA = New clsRSA
: Q. C8 X C, L& s) F5 E. KObjRSA.PublicKey = LngKeyE . L( S# F7 h8 S# ^/ Q+ I' Z( g0 G
ObjRSA.Modulus = LngKeyN
' K* }$ B) ~& H0 U5 H* v5 M3 H4 F9 PEncryptstr = ObjRSA.Encode(StrMessage) 6 N& g1 y, A5 J6 D4 X
Set ObjRSA = Nothing ! T# J4 |* H# m4 J0 n
end function2 {2 f0 j" i9 b( P
Function Decryptstr(Message)
; n$ k. D# n' r$ Z% p: hDim LngKeyE
! m4 G1 n/ B' z {+ Y5 N) ^) gDim LngKeyD
. K6 Z/ M$ G/ t! r! \% WDim LngKeyN
, n% Y+ ?4 o0 f( U7 m g* G" [Dim StrMessage
R, b8 }6 Q! Q6 o: o3 GDim ObjRSA 0 i) g8 q! ~; c$ E @
LngKeyE = "32823" ~8 h. x3 L8 r w7 |8 G' s# a+ U
LngKeyD = "20643"
& \/ j( i3 c( a/ z$ ^9 A2 DLngKeyN = "29893" 1 L& ^" M2 f& ` O
StrMessage = Message
8 k6 E4 B! f N, LSet ObjRSA = New clsRSA
: X- K$ b: g; q4 R' {) yObjRSA.PrivateKey =LngKeyD
+ X$ p2 C& ^. _/ q, F zObjRSA.Modulus=LngKeyN
1 ]# r; b( y& O C% L* w- Z9 mdecryptstr=ObjRSA.Decode(StrMessage) # O6 n3 J( K# Z, z+ [' _, z, Y/ n
Set ObjRSA = Nothing
# _2 P9 v+ y$ ]$ V& Bend function
+ D4 @+ `0 c! H, n" H%>
4 e$ f7 [3 O. `! h===============================================
& B; A4 X" q6 W8 v
7 m6 I2 I9 B0 M# j* Z还有一个用于测试这段代码的test.asp* E& y* R# N; s, v& c
有兴趣的自己搭建个IIS测试下
: p* z% |- i- b( }<!--#INCLUDE FILE="RSA.asp"-->
5 I# D$ `* _% r5 m<%
6 J+ `- D4 L- C! b; J, O& `function Encryptstr(Message)
6 t7 ]& ]6 J0 BDim LngKeyE
# t- \3 q6 ]/ c# r$ O& i+ uDim LngKeyD
) p4 j- r" n7 s( \# jDim LngKeyN : q9 g' C$ N7 r: h! M' x
Dim StrMessage
2 v, ^& Y1 J2 Y$ ~8 x7 D5 hDim ObjRSA
2 x7 d4 W. b. h T2 j5 A& f; O" W2 \LngKeyE = "32823" 2 @. d( Y0 W) o# y5 T* u* O, E! t
LngKeyD = "20643" " r! }% J" d6 R% }3 z
LngKeyN = "29893"
2 Q6 Z& V' ]( L6 TStrMessage = Message . X: q' l! b) d
Set ObjRSA = New clsRSA
; B- {. @* w) k) A6 D* l% JObjRSA.PublicKey = LngKeyE _) ~! b- v- I' i
ObjRSA.Modulus = LngKeyN
, Z2 ^' g7 Y* zEncryptstr = ObjRSA.Encode(StrMessage) 2 k* A9 e2 o% Q+ z, d$ E* s
Set ObjRSA = Nothing 4 f f2 z$ N" Z9 h4 |) b
end function # H& D7 W3 \9 c- H/ t% p# H( u
function decryptstr(Message) / c, t: ?, ?8 ~6 Q/ V
Dim LngKeyE
. F+ ~5 p( W" h6 h; k9 kDim LngKeyD - M+ w( X* f% C) M0 n/ @; N7 P5 \
Dim LngKeyN
6 P. L$ d) c* W- yDim StrMessage . |+ [: v0 z! y+ v9 k
Dim ObjRSA . e; U* n& Y; n& {
LngKeyE = "32823" 2 C" X" y$ M$ x6 _. e4 p% W) V$ U
LngKeyD = "20643" 0 k8 z, m: B0 D2 I& W
LngKeyN = "29893" 6 `/ R1 ^# _% ]
StrMessage = Message - `% d' C. K2 W3 I
Set ObjRSA = New clsRSA
2 l+ O; o+ e7 Z# ~# CObjRSA.PrivateKey =LngKeyD
; `1 F7 C7 i0 ?3 eObjRSA.Modulus=LngKeyN , X7 h# u8 r1 n$ D% V5 p
decryptstr=ObjRSA.Decode(StrMessage) " ^' Z) z6 C R( C5 ?2 f, ?& i- D
Set ObjRSA = Nothing 9 F1 r; u) v- M+ h
end function
% f2 A0 V+ |- D% e0 E$ o3 c2 ?, Gdim last,first ; ]* s" u7 _, Q( K$ N, S
first="!@#$%^&*()" ! C9 L1 o7 @3 u9 J" T* `4 d
Response.Write "加密前为:"&first : g% S2 ~# o! M0 O5 o6 W2 w( A
last=Encryptstr(first)
! m' q9 c+ d9 v; a! F, K6 s# B$ AResponse.Write "加密后为"&last " \0 o8 f$ c- J+ U
Response.Write "解密后为" &decryptstr(last) % u/ `* ]; c$ m: R4 ]
%> ==============================================" w* Y) v) x* d1 n( f l
剩下的就是字符的对照表了- X$ c/ B7 T, i
===================字符集================! t# N0 z3 N0 Z0 c/ w
1_____6EBB7 L% s/ V3 n$ M
2_____5C1F
" \6 [8 w( e$ u# {, m3_____4D75
5 ]1 m. G/ p8 z& n" z$ W* ]4_____26CC. s$ L J# p- q8 ^
5_____4F88( o o- S. @$ `# H. s
6_____3F4E
+ C, y# o, c* @4 W' N7_____0A9D
7 w2 k% k" ]4 o+ w7 i6 I9 c7 C- X8_____1A1C! J- z9 q* `" X
9_____6D209 I' e6 R' Z1 W+ j% o
0_____1089% j2 \1 ^5 S3 H( G8 Q- Z, \3 _! u
a_____0F3E" l$ h2 j C3 T3 w# ^
b_____3159
$ H* s, H) \3 Hc_____3517 d" u1 ^( w r& ]
d_____419C0 V+ y4 F' h# H
e_____615C# T8 Y& }+ }, @" ~) K4 H ^
f_____556F
# b* x/ p1 {7 {+ E# cg_____2B7F
1 M: `/ y; M9 x( j6 w) A7 rh_____0F9C
8 ]9 U' L+ x% O) g5 u3 Xi_____00FA' R `1 V V* c. L/ g# r
j_____5A504 Z+ |# r1 i9 a! _
k_____2850( ^, B7 t; |% s; @
l_____3E7B
5 T. S- d* B5 m0 v; c9 H4 Am_____71C5
& X. K% b. s+ l9 z: j- L; kn_____1FC8
, v6 B/ m7 W9 N+ V R4 Do_____74C1
9 I8 a7 h- ~4 g" Z& t) F% r( H. Cp_____5FB83 u3 R+ ?# d/ }% R' J$ Y
q_____6085* H: I9 v. {7 k& r9 k' V- y
r_____3AC4
; t3 s0 b/ A' B, j; f9 |s_____2F50
/ M, }# t) s& g2 D/ e+ Gt_____36F8
: R$ g1 k! N/ ~3 G2 w' O' @0 Y7 bu_____7010
) h% S1 f* ^) [- }$ I+ J" iv_____0B42# y9 L1 @! y2 {% p! `
w_____1C7A" B7 O1 a8 \/ M h, z
x_____16F8
# i# w+ V8 g, L6 t# p$ Q4 e8 Uy_____2EE7
& F9 i( l. \) v1 o# R# Uz_____5CF3
/ b7 l8 x( N, [/ T!_____6233
3 @: R; J0 l* K5 J- S" G@_____3A45$ Q! Y# K8 h& @! |( L# d0 @
#_____2291
7 O' g9 C) w4 U' C! A$_____5D5C
2 G. e- A2 W; X. C: }" S! I$ a8 d%_____09B97 e6 C0 L2 |" t/ o6 t# v0 f( b8 ]
^_____43EA
) R0 A# d5 Y" `7 ~&_____62B9
9 C1 l, x! r3 {2 v# o*_____63015 b# ^: R( o _" `! i
(_____4659/ C% h9 K( G0 p0 S/ Q, H
)_____5C82 |
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