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原创作者:柔肠寸断 [3.A.S.T] http://www.3ast.com.cm
5 ~; j& @* _+ q8 x* ~# s# V; {原始出处:http://www.3ast.com.cm% T; Z; u" Z* C! D
& S- D, ~7 s4 `看不懂的直接绕过! b' E; z1 t1 m0 B/ T( l
加密前为:hwy123456, O q( x& |4 @" V0 m
加密后为0F9C1C7A2EE76EBB5C1F4D7526CC4F883F4E5 C/ E9 j" N4 t! p5 A$ a0 _2 Q
9 ?! Z5 c; Z: ?' u; h0 i R" m
============================================% L ? E8 F* Q* x7 u8 T- ]
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 x E7 e% d6 h: }: R. S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. z+ D1 B5 a+ u" C2 x; ~
以下是RSA算法文件
8 a4 w( u9 q8 _. Z8 D0 ]& b/ @" F. d- X; e) S- S5 _: j
文件名RSA.ASP
0 u4 w" t0 {3 L/ o===============================================9 |- W/ ?* L2 V/ v
<% - N% Z2 h0 Y: Q. `
Class clsRSA
K @' ], ?6 s: v9 S8 q+ E' UPublic PrivateKey S0 p1 ?8 n Q2 \/ Z
Public PublicKey + d7 J' c& }: W+ l8 C
Public Modulus $ r% O, i0 w! q; }& w
Public Function Crypt(pLngMessage, pLngKey)
8 S1 |4 j2 ^: l0 OOn Error Resume Next 4 p; @4 k6 _' i* S a9 r
Dim lLngMod
1 q0 v; H# P; a; a$ a; NDim lLngResult . x7 N8 B2 L3 t, q4 `
Dim lLngIndex
& _7 i4 |! i; S9 C0 q& g" UIf pLngKey Mod 2 = 0 Then - f9 y) b& l" _7 c
lLngResult = 1 0 Z: x/ _ v7 u7 [* P% m% l7 G+ n8 l9 V1 ?
For lLngIndex = 1 To pLngKey / 2
3 R7 ~: ]7 V( p1 k' Y, ]+ ~3 llLngMod = (pLngMessage ^ 2) Mod Modulus 2 g1 H3 U) G) p9 A: o: k
' Mod may error on key generation
. n3 o0 ]: v F5 v& U. v/ vlLngResult = (lLngMod * lLngResult) Mod Modulus 4 s U+ c `# u" u) Q: C
If Err Then Exit Function . I( m: r( P6 d1 ]
Next 7 Z5 q3 F$ ^- W+ ]0 _, d
Else $ z! F/ p$ Z/ ?
lLngResult = pLngMessage , c+ i$ ?3 ~7 `7 Q: L- U
For lLngIndex = 1 To pLngKey / 2
" O6 i9 W, \, ~lLngMod = (pLngMessage ^ 2) Mod Modulus
) J4 S4 U" l5 O% ^. N6 Q5 t1 qOn Error Resume Next
0 \% V& G3 D4 D1 \$ b9 X' Mod may error on key generation 6 M. ^) ?. ~' i- _) ?* c
lLngResult = (lLngMod * lLngResult) Mod Modulus 1 U* d8 q1 Q- b) V
If Err Then Exit Function
5 M: f" A) j: R& A( v- D4 U, aNext 0 }- f* m( m+ L% H
End If
" V$ |5 p6 E: g" o5 K$ Q+ VCrypt = lLngResult # k# U0 H; |( B0 p6 b$ ~+ c9 Y
End Function6 u* a! H6 Z' m& Q( x. M
, B8 g7 a; ?" l8 z$ E
Public Function Encode(ByVal pStrMessage)
9 {) `- S) t% [0 s$ p) J/ k( LDim lLngIndex . E* O4 b4 M! h9 D1 T4 R
Dim lLngMaxIndex ( A$ H; P, `3 u
Dim lBytAscii ' N. K* G2 `6 ^$ J! U/ Z7 e7 d
Dim lLngEncrypted
0 [' l* W. J$ ` {" KlLngMaxIndex = Len(pStrMessage)
- I. i( ^6 w5 H: sIf lLngMaxIndex = 0 Then Exit Function
; u3 u: Z* {& wFor lLngIndex = 1 To lLngMaxIndex . v8 Q! }. a$ ~- b |
lBytAscii = Asc(Mid(pStrMessage, lLngIndex, 1))
5 H5 s2 d. {/ J& Y1 z* H* {. clLngEncrypted = Crypt(lBytAscii, PublicKey)
9 {! U+ L( V5 a3 vEncode = Encode & NumberToHex(lLngEncrypted, 4)
# G& W) b# d1 ]) ?& |- p6 I9 `* zNext
% T" J+ Q7 N3 `' [* D! }End Function 5 X$ ]/ @8 D0 @; w# V! H ~; E
Public Function Decode(ByVal pStrMessage)
; t( H# F' H6 c: pDim lBytAscii
$ z. N0 ^9 {; F6 M" k4 bDim lLngIndex 6 D: O; i$ K5 r% p
Dim lLngMaxIndex
1 ?7 ~, }. e" _0 BDim lLngEncryptedData
& a0 O1 U/ P D* D6 iDecode = "" & R2 B O) }, n1 r, K9 `' q9 w
lLngMaxIndex = Len(pStrMessage)
& d% ]) O h% w+ E3 yFor lLngIndex = 1 To lLngMaxIndex Step 4 , \. Y+ s8 H9 O- [% `: D
lLngEncryptedData = HexToNumber(Mid(pStrMessage, lLngIndex, 4))
K) _0 R( t$ VlBytAscii = Crypt(lLngEncryptedData, PrivateKey)
) ^9 R$ y8 A2 V/ _Decode = Decode & Chr(lBytAscii)
& k/ s% o c5 `Next ' [' O( ~ s! H# I) K1 Q# l# `1 S
End Function
2 y+ }+ j7 ?0 m: G% U8 APrivate Function NumberToHex(ByRef pLngNumber, ByRef pLngLength)
* p' O, J) ^% P/ a2 C7 p3 M, }NumberToHex = Right(String(pLngLength, "0") & Hex(pLngNumber), pLngLength) ; G; `' o- z/ F# S) `
End Function
e( i6 p1 n6 V& K, `) MPrivate Function HexToNumber(ByRef pStrHex)
5 f- p3 ^# s( k1 k! r; d- WHexToNumber = CLng("&h" & pStrHex)
D+ h2 a" n! b1 l% d# I' SEnd Function ! p4 N! V [1 i! K
End Class 6 c. B. B4 ]5 J2 h
function Encryptstr(Message)
* r, a s) x# R l7 J+ Z) i, y' DDim LngKeyE
4 [9 n& A) H+ p" GDim LngKeyD
# y1 X) C6 [' x9 H# k, KDim LngKeyN ' Z/ L( L' n( W3 ]
Dim StrMessage
; A* v1 K5 [% ^, O" A, y$ @Dim ObjRSA
( r+ Y; K8 I5 D6 b' ?" E, ULngKeyE = "32823"
/ h7 o9 z: z+ ?1 s, N }LngKeyD = "20643"
9 v ?& G. e# v0 M" D! OLngKeyN = "29893" 5 i V' _ b2 Z
StrMessage = Message
4 p/ G" @8 s* r* b" ]Set ObjRSA = New clsRSA
/ p* X/ I) o3 P' ^& y$ yObjRSA.PublicKey = LngKeyE 5 v; S9 f5 `4 F/ \( [% D. H& ~
ObjRSA.Modulus = LngKeyN
( _/ b0 T4 p( v' }- YEncryptstr = ObjRSA.Encode(StrMessage)
5 E0 s( N- `9 _7 ~1 E: bSet ObjRSA = Nothing
1 Q9 a% t. q+ i+ aend function/ ?3 m. {4 S# m( c
Function Decryptstr(Message) ! e# c) V/ K- y' F1 ]7 Q8 B# Y% r
Dim LngKeyE 8 H3 Z8 ?$ \* e( `
Dim LngKeyD 2 w% ?5 O# Y) _+ D. _: r0 \% t
Dim LngKeyN & z; @, H ?2 Z+ G
Dim StrMessage
( _! p# ~$ E) O+ tDim ObjRSA # B) B" R6 z) }# {2 J" A
LngKeyE = "32823" 2 k P. B* E7 M# ?) g
LngKeyD = "20643" * ^4 K6 U; ]" }+ j( h6 U
LngKeyN = "29893"
+ C4 M6 f+ p- V! P0 DStrMessage = Message . P1 m3 z/ \# v- L' [, e* w. K
Set ObjRSA = New clsRSA
% R3 r2 i) O7 o& i. v7 L9 aObjRSA.PrivateKey =LngKeyD ; m4 a7 k; P3 N. B& ~! ?
ObjRSA.Modulus=LngKeyN
0 S7 t! k- {: n7 \( B* V ?decryptstr=ObjRSA.Decode(StrMessage) ' Q9 k. O& c5 k f& m! n4 A% {
Set ObjRSA = Nothing 5 G8 L8 W! _# u( o
end function
) f) X8 Z" p8 L, @# ?' S U4 E4 c%>9 T& |' y C6 e* Z2 d. H3 U
===============================================
4 ^1 x/ E. n4 y8 A. S& u3 ~2 @- `
: R( ~' f. n5 s2 k还有一个用于测试这段代码的test.asp8 ^( L! \* ~" e" l
有兴趣的自己搭建个IIS测试下
' U! u' G" I5 ?# i<!--#INCLUDE FILE="RSA.asp"-->
8 A( J8 j0 @* R" w2 W<%
; D( a/ Y! a8 S5 I+ ~function Encryptstr(Message)
4 M) r, Z, Z! I! v8 Y6 {& sDim LngKeyE * K |. ]; {" g3 i3 h- d- I( K
Dim LngKeyD * N" h5 @, @+ ^
Dim LngKeyN 3 }4 Z9 E8 d$ }& J; r
Dim StrMessage
+ o0 ? O/ U9 i% ~Dim ObjRSA $ x4 j7 f6 V4 [" h1 G
LngKeyE = "32823"
* K) H7 t$ Z7 l2 I' k6 JLngKeyD = "20643" ( o( }* a" x+ Q+ E9 v" i4 i
LngKeyN = "29893"
' X5 c9 L c6 f5 d. U QStrMessage = Message o& @8 `+ I: W* s; U' J
Set ObjRSA = New clsRSA
5 N0 l% s% P" L; I2 g* DObjRSA.PublicKey = LngKeyE 0 ?8 v( [8 G- g. |4 T3 N3 p
ObjRSA.Modulus = LngKeyN
% b% v( M5 z, D4 O/ }- ~Encryptstr = ObjRSA.Encode(StrMessage)
% {' U" Y7 a" u6 D+ r7 L. ASet ObjRSA = Nothing - |+ S3 X5 B0 y
end function * ^% F6 d) O y
function decryptstr(Message) 0 B4 ^- B4 M: C. j* f
Dim LngKeyE
# w0 K* z+ U* [, S9 T X* ~' X$ |Dim LngKeyD }2 h* T. Y- i0 \; x! _6 s
Dim LngKeyN
% d: {6 U/ n2 U$ rDim StrMessage ' Z% w/ R% f( E4 K. {! D3 o
Dim ObjRSA
/ B$ i5 T k1 ?LngKeyE = "32823"
6 s) f, f) d) v3 Y% {LngKeyD = "20643"
7 o3 W' \/ M7 F cLngKeyN = "29893"
2 R; P& h8 u7 O1 \7 jStrMessage = Message
, S- y1 A" g' g7 N2 w- PSet ObjRSA = New clsRSA
3 p$ Q# ^: E8 H( ^& gObjRSA.PrivateKey =LngKeyD
0 {& n- U/ R- ~) X4 CObjRSA.Modulus=LngKeyN & z1 d/ X6 d4 H8 F% U8 S( ?& o/ k
decryptstr=ObjRSA.Decode(StrMessage)
* k; O0 H Y' l/ wSet ObjRSA = Nothing ( t. t+ O9 E. ]+ S2 Q3 g @
end function
6 j% z/ k8 H* o) [) p+ Ndim last,first
% \' x# T: N; h6 t& ~3 ufirst="!@#$%^&*()"
! Z0 V" p+ r% mResponse.Write "加密前为:"&first % {6 \- L: x+ {2 G
last=Encryptstr(first) $ e) d9 Y' |' L) Q
Response.Write "加密后为"&last
' H* t4 [3 K( LResponse.Write "解密后为" &decryptstr(last) ( e" ~7 s5 `/ H% F9 }
%> ==============================================
' Z+ }( ?6 `5 Y. s5 R3 H剩下的就是字符的对照表了
# n7 l% x2 K$ F/ H+ {===================字符集================
- T- A: Y2 P* X% f1_____6EBB
0 r2 h; y; _6 ^3 W5 x$ x& p2_____5C1F
5 b1 o3 Z# s2 B: U# s9 [7 m q3_____4D75
: D# V# p3 D: ]3 X% ]) N4_____26CC
, W0 Z S9 ^' m) s" o, ]; ^5_____4F88
, ~+ t1 m+ s6 d* X( G6_____3F4E
1 d% J5 A# a6 K6 T) X7 ^# i, y7_____0A9D
3 V4 `3 Z0 J7 a* l3 u8_____1A1C m, m9 P1 ^; _2 b; p- g& B
9_____6D206 ]; S/ B2 f) k% z8 O4 F& B z
0_____1089& J5 g+ X( y6 S2 y7 C' y
a_____0F3E
- ?, z: O" a: ?1 pb_____3159
1 P9 G1 d+ X) w/ E9 [# N( t5 Gc_____3517
8 M" A, s3 ~- u7 v" v( t7 td_____419C
2 o- `* V4 J2 N l$ ?e_____615C
; W; ]7 m5 B6 M5 d8 b1 w1 x7 mf_____556F1 d# H$ W2 V+ ?2 Y7 l
g_____2B7F0 a( T& H4 h/ S' N( f# }
h_____0F9C4 @9 F4 y+ i/ `$ `6 y
i_____00FA
% O! s1 o$ [% U1 q7 ?- p( G/ zj_____5A50" H0 G: M: e T ^( b& `: h
k_____28502 o; A8 W9 s- E9 |8 d& A6 N/ [
l_____3E7B
4 Z* m- A/ I1 w( S& rm_____71C5) W. [" j/ d+ x& c" p2 M! P& z
n_____1FC8
e7 F4 V/ m- v3 O4 f. T+ s% r# Z/ Wo_____74C1
: W' z( g. N0 g0 A4 tp_____5FB8$ {( z5 e6 K$ `
q_____6085
3 W& z! w# E" g% O- a/ o+ S3 q9 V5 ur_____3AC42 g* ^1 `3 T, z9 y K K$ b
s_____2F50
6 U% k0 d m, y1 g, M+ b/ et_____36F80 S" ? \# J- r: B% r+ J$ t& o
u_____70105 H2 Z3 h% L3 d& Z
v_____0B42& C) j, Y+ |; `5 ]; K. O: Z
w_____1C7A2 ^- H7 d. J4 \) `
x_____16F8
( i4 e4 n- J0 L: ]y_____2EE7
$ _; Y# K9 [- u/ _2 Z% T( B: \8 Oz_____5CF3
' q, `, |' f0 E$ a2 N!_____6233( d% J2 o- e- ?6 z
@_____3A455 }2 e2 ~5 X% Q# ?# p( B
#_____22919 M, u9 s( i$ f( z1 v! d
$_____5D5C
7 x6 Y% w$ r# @" J6 r%_____09B9
7 U1 r% I. N, z^_____43EA4 @% t( ^- e" n% y
&_____62B9
4 o1 u8 }; ^9 L& w*_____6301$ Z, d4 I% A3 P% {" T t
(_____4659
: e! W& R; K3 o, g$ l4 C)_____5C82 |
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