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原创作者:柔肠寸断 [3.A.S.T] http://www.3ast.com.cm6 d# n7 j9 i6 y
原始出处:http://www.3ast.com.cm2 b1 X9 L9 v; S; b" Z- Q! z
" [$ [2 b" F! F: |
看不懂的直接绕过" a( B/ R% J- o* ^) z! m& _: E
加密前为:hwy123456) u% A0 |2 C) p
加密后为0F9C1C7A2EE76EBB5C1F4D7526CC4F883F4E
/ h4 A& u% [* n9 z* T3 n l8 k' Z5 N5 @, t: A6 Z% Y0 L4 v* O# G
============================================
8 I1 }; ?6 o @ E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
- K: ^, q) J. s J7 z* b/ ^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
2 g0 h* x; l: z1 E; |4 V以下是RSA算法文件
6 L1 o1 |) P* G) m+ b/ s
. N* E/ P; a2 J) X' q0 n% ]文件名RSA.ASP
# K) `1 ?, e# @1 D1 ~===============================================, y' m7 U; z5 v1 B* Y8 w( k! O
<% $ w$ L' F$ L1 A8 _
Class clsRSA $ z# [' F/ e6 G8 G6 ?2 H; y- |3 H
Public PrivateKey
+ z" H ^/ {+ i3 P6 Z# [3 f, Q0 EPublic PublicKey
' D! j e- j1 ^/ ~/ _Public Modulus - p- t& K9 u- H7 l9 F0 K
Public Function Crypt(pLngMessage, pLngKey)
( L6 A5 [* Y& Z+ UOn Error Resume Next
+ k+ G; k5 w% s& S) Q# G9 M; EDim lLngMod + [( l/ B3 g6 e3 f; Y
Dim lLngResult 8 V T1 d- n' L6 ] e- h
Dim lLngIndex
1 s) z- C: b4 a6 O* LIf pLngKey Mod 2 = 0 Then
/ \: j' j# a$ d6 z3 |5 z: d) ?lLngResult = 1
! M: L7 {7 U9 D6 l0 T+ t' WFor lLngIndex = 1 To pLngKey / 2
, |7 [9 [8 s& [' }lLngMod = (pLngMessage ^ 2) Mod Modulus
}, v- ^. g' i; M$ k$ d' Mod may error on key generation # ?' M# L& H# g# X; l
lLngResult = (lLngMod * lLngResult) Mod Modulus , v8 N7 G- o/ |) K
If Err Then Exit Function % [- E) N( U$ n: W" j0 V9 R7 \
Next
; P, w) b3 i+ v0 E2 fElse & i, M/ E( h& {. Q/ ~6 l* k
lLngResult = pLngMessage * E' I! L3 \7 f8 R
For lLngIndex = 1 To pLngKey / 2 6 A2 q* i% V# v$ `
lLngMod = (pLngMessage ^ 2) Mod Modulus
" v/ b/ f v: z& A+ i1 S BOn Error Resume Next
3 P, U/ W: C0 y' Mod may error on key generation ( x3 \6 B7 u4 C) }# S0 y
lLngResult = (lLngMod * lLngResult) Mod Modulus + ]# V( p; l# Z* O" B
If Err Then Exit Function
0 y) W' w+ A; _, \% w a8 cNext
9 ]! E4 z2 f, P9 TEnd If 5 e7 t0 w6 B0 f; x* f i
Crypt = lLngResult . Q9 Q' x# T ]- d
End Function. L3 v- @. K6 ]5 L" n
9 H9 s) w$ \6 B
Public Function Encode(ByVal pStrMessage) 2 O9 B% }9 ?! z4 O/ ~
Dim lLngIndex + ~/ A" b- T! O8 R( }/ l1 F
Dim lLngMaxIndex - e2 G; ^$ F* P' f/ S0 }/ R
Dim lBytAscii + Z$ D P# B4 m Y+ [
Dim lLngEncrypted
' f1 I# [1 E- Z* u7 qlLngMaxIndex = Len(pStrMessage)
5 ~5 Y7 x& E3 `4 \8 Q1 sIf lLngMaxIndex = 0 Then Exit Function
V. q9 y* A3 E; m% n9 X- g6 ]$ B! rFor lLngIndex = 1 To lLngMaxIndex 9 @" [/ }0 e5 R1 `
lBytAscii = Asc(Mid(pStrMessage, lLngIndex, 1))
! J* r/ z' N" ?, g* F" slLngEncrypted = Crypt(lBytAscii, PublicKey) " a- d! t) ^8 e2 [0 H8 [
Encode = Encode & NumberToHex(lLngEncrypted, 4)
- u% C! Q5 I, ^! d4 D0 S: HNext . T% j2 d) w% L9 \( w5 ]- t' R; z
End Function
: Q, q# ^9 u- \& ?, `- fPublic Function Decode(ByVal pStrMessage) 4 A+ n& m- J3 x* T8 n8 V
Dim lBytAscii ' X' h& a% s( i" k
Dim lLngIndex 6 k, x' O8 L+ v1 W; l
Dim lLngMaxIndex
3 Q9 ?: L3 X* \7 H) ?5 a; jDim lLngEncryptedData 5 k" M% {- Y: Y7 V+ V
Decode = ""
" e$ A" R z! F+ c7 Q1 C- \lLngMaxIndex = Len(pStrMessage)
8 ?# M- V* I" ?( b4 _For lLngIndex = 1 To lLngMaxIndex Step 4 5 g% V5 M2 @) | r3 R
lLngEncryptedData = HexToNumber(Mid(pStrMessage, lLngIndex, 4)) 4 }+ z3 U5 ~! k
lBytAscii = Crypt(lLngEncryptedData, PrivateKey)
. a6 A) z& X: `/ p: }Decode = Decode & Chr(lBytAscii) & i; M( Q' N9 x
Next
3 A; K T. K3 r1 b& u. u4 M6 s4 J2 u) fEnd Function
2 Z( }6 ^7 C' f1 A) T& PPrivate Function NumberToHex(ByRef pLngNumber, ByRef pLngLength)
3 m6 U O/ E' F# k) vNumberToHex = Right(String(pLngLength, "0") & Hex(pLngNumber), pLngLength)
+ I7 {: c; S8 W1 o: s! FEnd Function / T, Z' `2 ?3 L! I& C4 l
Private Function HexToNumber(ByRef pStrHex)
8 s; n# b# R8 q+ X- z) V) BHexToNumber = CLng("&h" & pStrHex)
# s4 T/ T O |3 P9 R; y" c* TEnd Function
1 {7 t0 Q- Y/ c! oEnd Class $ X; V9 p5 L# ]+ \2 |* H0 R2 C
function Encryptstr(Message) ) G8 D- ~4 C; `/ \/ v5 w
Dim LngKeyE
7 x) H' L! N1 S7 e! F3 \Dim LngKeyD 2 e- }1 A0 y8 k3 d: D+ U% p- A
Dim LngKeyN
) T, n! H8 X, y$ g. i( cDim StrMessage " u! d3 K& H& _; s
Dim ObjRSA 0 X% Q% i3 z# F
LngKeyE = "32823" ( u( _$ A8 ?9 y) e( s
LngKeyD = "20643" : W2 `! T% f4 z5 R# {2 K
LngKeyN = "29893"
% x, w! i; I" k0 y( p/ c( nStrMessage = Message * j( M! G0 m- L
Set ObjRSA = New clsRSA 3 h Z2 V" ^8 j7 z$ G
ObjRSA.PublicKey = LngKeyE j9 D/ ~* e. G4 t6 A h2 N0 ^
ObjRSA.Modulus = LngKeyN
8 \- ]" u% a! K1 X. ?5 _3 REncryptstr = ObjRSA.Encode(StrMessage)
: ?' a7 i7 F7 CSet ObjRSA = Nothing " h1 x: {# [% @; |9 K! T, D
end function
& Z1 J1 v$ `, ~4 T/ UFunction Decryptstr(Message)
% ` V+ S+ l& d& E1 m# g3 M2 aDim LngKeyE ) @; J) g4 f* l1 t, J. k% r
Dim LngKeyD 3 z, ~+ L* A) O* |; Q
Dim LngKeyN
* E0 Y- @8 v; G" X; sDim StrMessage / v! u* ^- F7 ~8 `- G
Dim ObjRSA
' a/ U! F& L) r5 C; zLngKeyE = "32823"
* |: z( v& ^. c* s( d9 \$ QLngKeyD = "20643" % ]" c& P* h$ P6 _6 [8 W% y! x
LngKeyN = "29893" + V3 f6 R+ l( c( q; b- F
StrMessage = Message ( i( T- X6 Z8 u* t( m# [+ k
Set ObjRSA = New clsRSA $ H8 C) n, N4 r7 _
ObjRSA.PrivateKey =LngKeyD ) o* Y. {, V& r2 o8 e9 X8 P
ObjRSA.Modulus=LngKeyN
0 _/ D9 H ]5 C+ z8 A$ Rdecryptstr=ObjRSA.Decode(StrMessage)
$ M! z! {, n) Z; oSet ObjRSA = Nothing 1 l6 n% u: [, f! j& @* t& x
end function
' F, r9 u1 H8 Y! |$ R0 W6 I( G%>+ v7 Z. C2 }5 S3 L6 ^# I0 @
===============================================. Q, B) w% U e) h0 r. a
7 d1 }1 V8 k9 S( Q
还有一个用于测试这段代码的test.asp
/ A& T5 H* w1 c5 Z( b9 D有兴趣的自己搭建个IIS测试下
& ~5 n3 [% z. G+ V6 o5 e<!--#INCLUDE FILE="RSA.asp"-->
, O1 a, d2 I: ]+ B<%
; q% y/ U9 C9 C+ v. g3 mfunction Encryptstr(Message)
b( @0 T, L; [' b4 P- V' GDim LngKeyE ) B) W' U4 `7 u& T; C: M" G0 k' {
Dim LngKeyD
( q8 X! ~" `& r# s, UDim LngKeyN
7 c0 v: W, p- J2 o7 kDim StrMessage # w, U- ^ k( Y& T5 K8 i8 X9 g
Dim ObjRSA
; O1 V; e' y3 DLngKeyE = "32823" " v$ g0 q4 E; G% T9 n
LngKeyD = "20643" . I: i' H ]0 H& L9 b* C! `
LngKeyN = "29893" % B/ ?: `1 |" A# s0 h+ n5 J
StrMessage = Message
, f$ k( n8 `% p. b/ K* uSet ObjRSA = New clsRSA w+ z9 M" \) Z! y8 T0 n0 D
ObjRSA.PublicKey = LngKeyE
. R) ^4 z5 @- E2 |5 `7 }( T, yObjRSA.Modulus = LngKeyN & f! `, d2 h* H3 [( q% e: E
Encryptstr = ObjRSA.Encode(StrMessage)
! j4 G6 p. C! [9 S7 V! z; ^Set ObjRSA = Nothing u8 u' _: O6 t' a$ r' v2 h) S ^
end function
% e8 N" x# ?' @function decryptstr(Message) : `6 o6 ?) C# i* N- o4 |3 a
Dim LngKeyE
: t& |; P# }- @Dim LngKeyD + d5 I* [* G# y. Z* r9 @% ~8 L
Dim LngKeyN
7 b: H: J9 v* L6 R& ]3 U; `7 J `Dim StrMessage
6 c& Q. F3 N; Q8 Z9 uDim ObjRSA
& Q! M' Y' L. [ H, |& aLngKeyE = "32823"
# s U$ {& I! s" t* P$ BLngKeyD = "20643" ! b! u S7 X' t/ J/ K- k
LngKeyN = "29893" : r. ]# f) E) k/ i6 x1 f
StrMessage = Message
! [8 y; `' K) ^Set ObjRSA = New clsRSA
- g4 B0 Q: |* iObjRSA.PrivateKey =LngKeyD
6 t5 d* Z$ Q2 g) o0 f. X" |6 Y) D8 \ObjRSA.Modulus=LngKeyN
. M" i# Y, m2 [7 f6 x! Rdecryptstr=ObjRSA.Decode(StrMessage) ) h5 H) g9 H _) y
Set ObjRSA = Nothing " s" P! L0 p$ W9 Y3 l/ _
end function 2 R# q. M. P' w: |- X
dim last,first . G# [) I; q3 C
first="!@#$%^&*()"
* k/ `9 K# |1 p- Q& C o% k" ?Response.Write "加密前为:"&first 8 W4 I/ X+ b- }7 w1 W2 Y
last=Encryptstr(first)
: X/ D: \' J4 \$ k% s/ d7 TResponse.Write "加密后为"&last 7 Y7 h0 _8 Q7 T( y+ `- |
Response.Write "解密后为" &decryptstr(last)
) [( [* q8 I9 [! d. V$ K$ c; v%> ==============================================, {" u4 P- y# z0 l0 H" y" r
剩下的就是字符的对照表了 I3 V1 s: [+ b# ~+ Y3 g; m2 ]- g9 Y
===================字符集================
$ o+ {/ Q5 U$ T1 B0 [9 T1_____6EBB8 ?3 A8 b& f& h/ @8 m* r" T# G
2_____5C1F
, o: m5 B4 x" Y6 T ]3_____4D75
7 ~/ \ l- k! I1 ?! U. q' @( i4_____26CC/ L- f; p, B. m; i+ j$ H
5_____4F88# J- t4 U( N ?: W
6_____3F4E. w1 Q9 y9 a, X9 ], Z% j
7_____0A9D
. C" O: u) }9 ~3 }, L. J% f8_____1A1C
5 J( T* Q# {3 B, T8 w7 k9_____6D20
0 `5 ^0 O# u# c9 M, b+ H0_____1089
4 @3 s- U1 `" k3 n, ]% c# Ca_____0F3E
: \1 R: ^0 e, yb_____3159; _( P- M3 L! b0 v8 ^8 r7 U
c_____3517
5 N- g; A, u, l# R4 {' r9 Fd_____419C, Y) ]% D9 Q2 K% k
e_____615C
0 H/ F' ]5 N# F# D$ u7 M2 |- ]f_____556F
9 H, v0 B% k( zg_____2B7F
( t; H9 H$ C4 Gh_____0F9C! @" \* w1 y$ Z7 F8 I
i_____00FA- e, |- i- s; s, E# m# x! [
j_____5A50& m3 ^( s# ]% R. u1 W4 u }
k_____2850
7 |* l. o" X! D4 tl_____3E7B
3 I2 Z+ C) B# v4 H: ^6 Km_____71C50 W Y9 ?/ \5 o$ v
n_____1FC8$ F$ d: Z- Z3 M2 [9 H K1 }
o_____74C14 S* f0 {# y3 U, a* a* H7 {
p_____5FB8
" y$ c& p1 @) {- K% d; a% jq_____6085
' F7 o. l5 p# X+ w$ E+ h0 Wr_____3AC4! _ Z/ y4 q- D5 \
s_____2F503 V6 _6 Z [! z1 D
t_____36F8
! ?# \! |: _; Z7 o7 i% F ?6 k8 Iu_____7010
0 q/ k; _' n# A8 Sv_____0B42% g) ?3 O# ^% \2 _2 [8 x5 U/ n
w_____1C7A) h; Y& ]* o3 a1 X# m
x_____16F8
! P8 `$ Z- Q8 vy_____2EE7
3 S( _' i7 c c: y4 ^2 v) Gz_____5CF3) j. h/ O) ^4 A
!_____6233* A$ p9 @( a+ H1 x. Q
@_____3A451 Z) V, `/ f, n- U
#_____2291
3 p h1 a" V# d7 ]* y$_____5D5C% R7 _! y% C' E4 h- L) J
%_____09B9
, |7 b3 E$ m% \. P5 B( L^_____43EA# r( C `8 ?! ^! I$ i: M
&_____62B9
2 A" v+ ]8 |8 k5 l. T*_____6301; R; q6 B5 d5 ^, M; g9 B
(_____4659+ P8 {1 k" B' [" E' ^
)_____5C82 |
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