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原创作者:柔肠寸断 [3.A.S.T] http://www.3ast.com.cm9 p$ `8 `' L, [" ?! B& d& X/ i
原始出处:http://www.3ast.com.cm- E( g8 ]; z! }% M" S0 B
3 r0 e7 R" n; s7 a+ ]( j: {4 E看不懂的直接绕过
5 I; Q: f6 ]" f# H9 g2 x加密前为:hwy123456
. u& y( t$ B ^加密后为0F9C1C7A2EE76EBB5C1F4D7526CC4F883F4E
9 H4 H3 z+ k {
; P8 j* C+ Z! U, F! S============================================: `( V# [1 y1 K& J
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
5 r9 J" q- h6 w% y! x" q8 ]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( ~& g& |/ `; [5 t7 Y
以下是RSA算法文件0 ?3 E. h$ y' J$ {
/ I9 K: k( ?4 q3 y' B+ h
文件名RSA.ASP
+ i6 ~, h) X6 S0 o===============================================/ z- U. h$ f6 i2 m) Z0 ~
<%
0 Y% z! E4 l4 gClass clsRSA
# d8 ~5 e# x/ d3 EPublic PrivateKey # o4 P8 A* _; i* E# L9 c, ^) g$ w
Public PublicKey
. v2 T4 @( U3 P, u+ i" Y$ m1 WPublic Modulus 6 o. E0 o* L2 Z
Public Function Crypt(pLngMessage, pLngKey)
Z5 {/ p2 w- H0 A7 EOn Error Resume Next J+ n$ D& @; Z" r" U
Dim lLngMod
X. b3 p$ b6 N$ |Dim lLngResult / p* Y/ s7 ~) C( Z1 {
Dim lLngIndex
" [0 Z& h1 c5 M7 X: gIf pLngKey Mod 2 = 0 Then ; B; t' b5 c9 G v6 C3 d
lLngResult = 1
3 k4 j! J) n' n/ s5 ?) ?For lLngIndex = 1 To pLngKey / 2 7 |+ J" v. W( r
lLngMod = (pLngMessage ^ 2) Mod Modulus d9 }7 |, }: f) @' \
' Mod may error on key generation * a% ^7 G4 R6 z2 C* }4 t) P
lLngResult = (lLngMod * lLngResult) Mod Modulus
# [" f8 ?/ N; ~; g% b0 h) R3 DIf Err Then Exit Function & C2 y; P% f9 \1 V7 t# }
Next
: A: J# j' |4 w% l9 x/ h0 N( OElse
$ z% [5 u! V6 Y2 w8 llLngResult = pLngMessage : {. P* L. Y r' M! O
For lLngIndex = 1 To pLngKey / 2 8 `9 @5 N' E- H6 h
lLngMod = (pLngMessage ^ 2) Mod Modulus 7 g9 M* T2 L/ g) ]3 {8 L% T4 X% W* g) P
On Error Resume Next 5 }; `; W8 Y) A; g8 Z. D
' Mod may error on key generation " j3 K( Z) _6 K$ }
lLngResult = (lLngMod * lLngResult) Mod Modulus , X9 @$ R& [+ Q8 h9 [6 b# @ ]- E
If Err Then Exit Function 1 m' [, `5 ]/ T8 U: X# O
Next . [2 V! q1 m# `4 u3 H
End If
4 q( W6 Q' M$ `: O7 eCrypt = lLngResult
! S$ F2 u% b* d- A( REnd Function2 I: D$ ^ m. I- q7 n( s _/ l8 ~4 f
9 |5 u; h0 |4 G3 l
Public Function Encode(ByVal pStrMessage)
, I$ k( s2 X. E6 P+ \Dim lLngIndex
# y8 {; _( |1 I2 D% TDim lLngMaxIndex ! \, X8 f6 d4 G3 T9 Y% E
Dim lBytAscii 3 F0 C8 v$ i& A; L* _
Dim lLngEncrypted
( I" C$ O4 {- G4 hlLngMaxIndex = Len(pStrMessage) 2 o, Q$ k2 ]! r& U( |1 |
If lLngMaxIndex = 0 Then Exit Function ; i" e. r. Q! D* J0 x6 f
For lLngIndex = 1 To lLngMaxIndex
$ K1 O! C8 g7 o4 _6 U6 Z# G, q1 {lBytAscii = Asc(Mid(pStrMessage, lLngIndex, 1)) - H& I, @% w( @, p
lLngEncrypted = Crypt(lBytAscii, PublicKey)
! S" E. m# f& C' \, bEncode = Encode & NumberToHex(lLngEncrypted, 4) . ?5 U! a- K1 @7 ^
Next ( m1 a Z8 s; _, p' c
End Function
7 w2 k+ `0 M/ _Public Function Decode(ByVal pStrMessage)
& n% c! O9 |3 S: d1 H# LDim lBytAscii & L. I: \: V8 L# T$ \ I. G
Dim lLngIndex
8 Z( {- w# R" T. MDim lLngMaxIndex
0 G7 ]" U: O2 F4 V; m5 CDim lLngEncryptedData / A1 B- z6 Q: ^: r/ q8 \
Decode = "" ; }4 ~( L$ |- o x8 g
lLngMaxIndex = Len(pStrMessage) ! `- k. l2 i( H; N' G) Q
For lLngIndex = 1 To lLngMaxIndex Step 4
4 Y2 M; y1 ^3 P; _" alLngEncryptedData = HexToNumber(Mid(pStrMessage, lLngIndex, 4))
: t) o1 j; ?& K+ ^* dlBytAscii = Crypt(lLngEncryptedData, PrivateKey) , q: f1 K' H r
Decode = Decode & Chr(lBytAscii) 6 O' Q5 x& A3 V! P5 D q8 L/ s9 x- Q
Next 8 `6 V1 r7 [0 U1 h
End Function
$ v- I+ s7 _: u3 `Private Function NumberToHex(ByRef pLngNumber, ByRef pLngLength)
% c+ n9 F" T( j: [6 I' _% xNumberToHex = Right(String(pLngLength, "0") & Hex(pLngNumber), pLngLength)
7 @& M# Y( W; m) MEnd Function 7 A+ D \3 s+ {5 Y1 p# t7 Q: `0 N' F
Private Function HexToNumber(ByRef pStrHex) 9 e! j2 p8 @& d, G$ [& @# A+ V
HexToNumber = CLng("&h" & pStrHex)
) p6 v' B, E% H6 x# u! uEnd Function
( c3 o3 E1 f& U/ P/ V4 E* REnd Class
& {6 I# G: a1 U) I+ sfunction Encryptstr(Message)
/ P, @! m& d7 l- U5 }4 i% mDim LngKeyE
# ^) H. S4 O$ {7 [" i- Q/ DDim LngKeyD ( O* q; C) T8 v6 w, ]' F! Q- y Z
Dim LngKeyN 0 V$ R; o4 ^$ s: U
Dim StrMessage
4 _/ e Q% N( GDim ObjRSA 4 x6 ^9 r1 V( n+ G' u$ l( r* y) e; T
LngKeyE = "32823"
3 L! v" e9 m) r7 vLngKeyD = "20643"
. _; M3 b; p, {/ ]8 ILngKeyN = "29893" ' S8 Z0 M1 }" d8 j
StrMessage = Message
" U0 y; K0 g4 f$ z8 t8 B% kSet ObjRSA = New clsRSA ) L" Y* H" L3 N+ u. U
ObjRSA.PublicKey = LngKeyE : J* }: _5 G) W5 X
ObjRSA.Modulus = LngKeyN
' D5 \. R: z4 v( t. WEncryptstr = ObjRSA.Encode(StrMessage) 8 s; _/ a9 K5 G; s
Set ObjRSA = Nothing
) o; {* b' C/ p, Mend function
4 |8 I, e9 H3 B3 Z6 v' pFunction Decryptstr(Message) ) |5 O! `3 O7 P8 O& l
Dim LngKeyE
5 B& ^0 @' I7 ^# ]9 ?& L" V; h) VDim LngKeyD : P/ U8 j% r, e- Y/ c
Dim LngKeyN
6 I$ g- M. X" SDim StrMessage
, a% B6 |8 k3 l1 ?& H: _: JDim ObjRSA
0 ~/ m; ^8 z d1 s: B( i) w, v1 ^( @0 eLngKeyE = "32823"
& ~ }$ r+ e2 M+ }/ ?3 {LngKeyD = "20643" " V3 \( h" |' S n8 E8 _& O! ?
LngKeyN = "29893" / `* i' N3 D; y7 U8 |
StrMessage = Message
) O+ S4 \9 L8 ]& D8 w$ c4 vSet ObjRSA = New clsRSA # w3 c1 x, h' n X8 u9 W
ObjRSA.PrivateKey =LngKeyD / K2 G: E! v6 k: t2 S
ObjRSA.Modulus=LngKeyN 0 c5 h- r& Q$ y& T5 |
decryptstr=ObjRSA.Decode(StrMessage)
# _ o! i1 q& w) dSet ObjRSA = Nothing
2 i/ d1 ]2 y: z i: a* _0 E1 Jend function
% F" O& T( z) w; k G4 r%>
: x5 ^1 `$ o# x7 O' j( Z- f1 I6 q7 `===============================================/ |2 U; R9 v# B! u) W. a2 F' X1 E
2 C0 \+ l/ ^' x4 z还有一个用于测试这段代码的test.asp) J7 l9 Q& u! c+ }1 r
有兴趣的自己搭建个IIS测试下' N- e( X* Y$ o( n3 @; u
<!--#INCLUDE FILE="RSA.asp"--> 8 D5 }1 w) _4 z' d
<%
7 X9 d% G* k( a/ u' hfunction Encryptstr(Message)
- ?: c9 i/ O, T: X3 n- h0 R/ W7 I6 n' vDim LngKeyE : ~& B6 v" z |# E: K8 e
Dim LngKeyD ; f. `0 Y! k$ v6 S( v- V0 V5 u
Dim LngKeyN % |' g( d! ]) A, _ ]
Dim StrMessage 6 j( s+ X# y% p3 K
Dim ObjRSA
: p! E- Q7 b7 i* x/ iLngKeyE = "32823" . `& o/ g4 T# L" R! X
LngKeyD = "20643" . g7 }% A0 l6 B4 F. x
LngKeyN = "29893"
9 O6 W. i9 J9 I) `2 Z% m% ]$ CStrMessage = Message $ i+ k3 P& x! o
Set ObjRSA = New clsRSA
/ p5 k4 { w, \/ Q& k; }ObjRSA.PublicKey = LngKeyE / b u$ X+ f& D1 a. U1 I
ObjRSA.Modulus = LngKeyN 7 p8 L7 \" I& Z% v9 U0 T- [, I: ?
Encryptstr = ObjRSA.Encode(StrMessage) 9 I" f; |( f/ F# R1 ?" P9 X4 M/ E
Set ObjRSA = Nothing
" O* h, d3 D/ \8 V3 O* I9 x, N9 yend function 3 z: H" r: I$ @/ W% {
function decryptstr(Message)
; v$ B7 y# P% G: U; { m$ vDim LngKeyE
" v9 {4 d9 b% MDim LngKeyD - t! X q5 \" `3 F$ U7 N) \1 d6 A; w
Dim LngKeyN 7 X+ c4 e; r# W/ E6 n2 O: E
Dim StrMessage & Z# l0 G/ Y {8 [3 b
Dim ObjRSA
6 _5 E# c9 ^& T5 n: c1 GLngKeyE = "32823" ( t4 Y0 h( g" U0 v; g4 P
LngKeyD = "20643"
9 M7 f8 X% }0 YLngKeyN = "29893" 5 r4 r6 q: @" D6 {2 W5 P3 O+ f
StrMessage = Message
- D, A4 D- Y) G" d& I! YSet ObjRSA = New clsRSA 9 z: D) Z C; ~: G5 \
ObjRSA.PrivateKey =LngKeyD
# h+ s9 i" l3 E9 nObjRSA.Modulus=LngKeyN 8 F% G5 E5 x( R% w( A
decryptstr=ObjRSA.Decode(StrMessage)
1 K7 O% L$ b: A, E4 ]Set ObjRSA = Nothing
) H, r6 E1 Y% `2 |8 aend function + ^& ?$ e# e9 I9 p4 H6 T+ c; c
dim last,first ! J* X% k; m& h. A# @" p
first="!@#$%^&*()" & u ?& \ y' N4 N# m% S
Response.Write "加密前为:"&first
2 @$ D- c- Q9 o7 Ylast=Encryptstr(first)
$ R3 g% Z+ j5 `4 H D4 mResponse.Write "加密后为"&last 3 ?) j" w7 K" H
Response.Write "解密后为" &decryptstr(last)
u$ g' ?* y5 v* O* j! ~ I4 e3 u' L%> ==============================================* N8 `% v, _5 y
剩下的就是字符的对照表了
" ?5 D' F4 q9 r; ?1 P. \, q===================字符集================
& l, ^ O$ l% l( s4 U3 p# R, E' i1_____6EBB
% B) n q- |" I! ]* P/ c7 [5 ]. k2_____5C1F
* t+ g. Z8 ?6 |9 C! s# Q3_____4D75
$ D* d1 C* I# L! v; W8 s4_____26CC' a8 f8 z0 |& m% y. f- M5 f
5_____4F88
7 l7 T/ G G5 I6 e; m6_____3F4E' V, ^! D9 S$ p$ {1 ~
7_____0A9D" j1 d' a; d9 |& z0 G% e. ~9 c% E
8_____1A1C8 \% N4 E/ _! g' t( m, _
9_____6D20$ @3 L+ m9 ], N6 t) X
0_____1089
0 Q3 ^2 Z# V) a( aa_____0F3E
2 s6 [1 c# a6 l& n" ~b_____3159
, j9 n5 n K8 v' bc_____35172 \/ L: [: z u2 Z. K* P2 D- j
d_____419C9 j8 o& `) t4 L4 G6 v
e_____615C
& W! u' l* P. Df_____556F
6 t! ` j6 J1 s7 V% F3 S+ Ug_____2B7F. j5 t. U8 J9 F9 M( @* s
h_____0F9C6 C4 o. m# Z, L' v P; ^8 @
i_____00FA
. ~! K2 \0 L4 x2 Y; m+ f' r" ^j_____5A50
) J$ u, E9 I+ M( o' `% `8 lk_____2850) T$ k( m: \7 v" u% t6 K- ^
l_____3E7B
/ C r! q' X; y% Y* u% fm_____71C50 h/ O2 C3 d2 U) L; Y
n_____1FC8
* o- r$ V* D6 m. {' a4 O& zo_____74C1: Q" O, d4 c" ^* \* @; r7 S& w
p_____5FB82 N2 @/ `8 u% G
q_____6085
- j; h. \- a A3 m. M; O% Mr_____3AC4* `. T. _& ~$ R& \/ |0 T2 b
s_____2F50, g+ v- s% O* w3 R; @& I' P
t_____36F8& D$ L0 F; c8 K" C* D0 |
u_____7010
4 Q4 p; h! d K! ev_____0B42
& v+ E/ X1 X! J7 ]& P& k8 P; V5 Vw_____1C7A
) d) f, f* G' }x_____16F84 A! d$ \' D9 h! o
y_____2EE7
0 k% B$ { H# t% T! U' n, ?z_____5CF3- l0 n% i5 \, P5 v5 M, p
!_____6233( F" Y6 b. Y8 F! ~& A. _
@_____3A45
; P, H0 ]# l" i, S9 i. o; Z#_____2291
/ ~8 W& K" B5 `* H# V$_____5D5C5 W$ O- F7 P+ m' J, x
%_____09B9
7 f3 T! Q" J: j5 D1 P^_____43EA
( a9 ], d4 x# t3 G7 W$ Y&_____62B9
8 t6 W- z: b# Z# d3 L*_____6301
/ Y o2 Q2 l# S8 R! ` r(_____4659
7 `8 {9 O6 b% v4 v0 R)_____5C82 |
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