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原创作者:柔肠寸断 [3.A.S.T] http://www.3ast.com.cm
) [4 T/ r' c" h- u2 I原始出处:http://www.3ast.com.cm0 ]6 s3 b' a8 h2 c8 I( p
: x- h* i% G4 a F. \; R看不懂的直接绕过
- V, t: q0 D6 l! t加密前为:hwy123456
0 L* K" \9 o$ P5 }) d* B4 G加密后为0F9C1C7A2EE76EBB5C1F4D7526CC4F883F4E
2 t9 g9 p6 P" h
) g' l2 j0 E: J# K+ ^# L" `============================================
6 y' i, \- {5 m w7 |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% T, K0 B+ r; a2 f
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% a. ?2 a: G% z6 J
以下是RSA算法文件" `& _. H! p$ } r
% Y5 K5 r$ W- x9 |文件名RSA.ASP
% Q2 l& @# Y) e1 Y$ _, \: q/ V===============================================
8 G( O- P& }0 n' X( d, ~+ n6 t" a<% ; w# t+ d2 E$ m( e
Class clsRSA
* a# b+ Q3 j; W9 TPublic PrivateKey ( g& l& B3 O% }" ^
Public PublicKey ( S# R" T6 R) H& s1 K6 }1 r
Public Modulus
& d3 k7 S; m% X: g, G, nPublic Function Crypt(pLngMessage, pLngKey)
[& d% t1 b: ?/ KOn Error Resume Next
! V) b5 k! w* L# F- \Dim lLngMod - W, P% F% q9 } |* X% s. P6 g7 l
Dim lLngResult
' T; [: ^6 X7 c4 m8 XDim lLngIndex
. e0 Q. V$ x, Z. t4 k. AIf pLngKey Mod 2 = 0 Then . G" M* k& a. f1 p9 Y% T
lLngResult = 1 9 E" r* p! v0 r) z5 d
For lLngIndex = 1 To pLngKey / 2
) t9 z' W7 M& v6 i, X3 P$ g8 IlLngMod = (pLngMessage ^ 2) Mod Modulus
5 p0 g' F) I! m# ^' Mod may error on key generation 3 j3 p, K, s" m: y7 Z
lLngResult = (lLngMod * lLngResult) Mod Modulus
0 v m) y* B- r* x* R( b1 oIf Err Then Exit Function
' a' ^6 r' C m3 eNext * Z1 w& h- A3 D5 j( v9 z: E8 R+ C
Else * N% K \" `0 ]' X. {# i
lLngResult = pLngMessage - ?$ @2 e: Q2 q! D" \+ L; x
For lLngIndex = 1 To pLngKey / 2
# ^( p; G' W+ P3 n2 E& tlLngMod = (pLngMessage ^ 2) Mod Modulus 3 l# f9 ~ g+ O/ Y- r% z# U
On Error Resume Next 4 p+ j: z& D2 O
' Mod may error on key generation 7 S6 o. d+ {8 S1 H6 `/ q
lLngResult = (lLngMod * lLngResult) Mod Modulus + E4 u% R E. f( V
If Err Then Exit Function 4 F. W1 b1 u- \7 b. C; ^; U% F
Next . v5 ?7 {, u- E0 a9 P2 i7 c1 {6 N+ r
End If
0 C+ r/ S* T" m* _ RCrypt = lLngResult * d/ y! V, r! F7 K2 @
End Function4 b1 J! e3 L4 V9 A
: z8 S1 S3 X3 G: O. o' F
Public Function Encode(ByVal pStrMessage) # h4 j- j! C! [* \: V1 L" [
Dim lLngIndex ) X$ Y, M- G! h5 u' [" A
Dim lLngMaxIndex
1 u- o) t. D$ w" O- xDim lBytAscii ! g8 V1 I3 i3 E& {: p2 z: K, ]
Dim lLngEncrypted
! S" h" h6 z1 C. s7 OlLngMaxIndex = Len(pStrMessage)
3 |8 Y; }6 W. |9 SIf lLngMaxIndex = 0 Then Exit Function $ [/ u7 m# R' |; i& R
For lLngIndex = 1 To lLngMaxIndex 8 s/ O5 F( J' q9 t1 i* \1 i I6 P9 c
lBytAscii = Asc(Mid(pStrMessage, lLngIndex, 1)) . s, e# Y( M3 h
lLngEncrypted = Crypt(lBytAscii, PublicKey)
5 ?& k z& |" b; q4 c& ^Encode = Encode & NumberToHex(lLngEncrypted, 4)
& A" Z, m" c) ~1 `Next 5 x5 _0 N0 B6 y# b. I
End Function
# g6 s5 _3 t2 `4 ?7 b$ Z# tPublic Function Decode(ByVal pStrMessage) 2 z: G, b3 g [1 ]0 B) N+ N
Dim lBytAscii 9 l9 w' @7 T# N. f: k( ^
Dim lLngIndex
% O9 v5 `# h2 r+ ~ QDim lLngMaxIndex
1 Q4 i' f: w9 F" _8 L' ZDim lLngEncryptedData : |3 I$ X. ^/ J% J ]
Decode = "" . ] [; f) e R6 i. ^0 c9 A* W8 u
lLngMaxIndex = Len(pStrMessage)
e3 i# Q2 O$ P! j0 K# PFor lLngIndex = 1 To lLngMaxIndex Step 4
3 G+ z" T4 E# C" WlLngEncryptedData = HexToNumber(Mid(pStrMessage, lLngIndex, 4))
- l4 \9 y9 Y5 H$ ~( e. |lBytAscii = Crypt(lLngEncryptedData, PrivateKey)
2 M/ `! S2 |, |6 q- BDecode = Decode & Chr(lBytAscii)
5 N8 D5 i5 t' o# ONext - A: v: ]4 ~- [
End Function % B/ \- @, J; u: r7 R( N
Private Function NumberToHex(ByRef pLngNumber, ByRef pLngLength)
. f9 x& p8 `2 }6 F$ {( DNumberToHex = Right(String(pLngLength, "0") & Hex(pLngNumber), pLngLength) - Z9 {% H! z4 u, ~, {1 r
End Function
5 N( L% a4 e, X" x6 J! S1 V. fPrivate Function HexToNumber(ByRef pStrHex)
) [# L2 [' p- d& J3 pHexToNumber = CLng("&h" & pStrHex) & w* R: t6 X2 _ ^* |4 ?8 |+ W }
End Function
+ _$ J7 R. a f# M% l5 cEnd Class 3 w0 }2 b4 n: _" F( w
function Encryptstr(Message)
1 X/ _* e' L$ qDim LngKeyE
8 C' p; q% C/ E3 K0 pDim LngKeyD
! v; t- ]0 s9 H( }Dim LngKeyN
- r$ G0 }9 s5 u2 `/ `: tDim StrMessage
* l* l$ G2 c6 {( ^Dim ObjRSA
3 y6 l0 p( Y& ~# h- H7 E: sLngKeyE = "32823"
; R7 }5 X2 j% g* C# h+ f$ c0 ULngKeyD = "20643" ( H3 y- a# o; t# H, P0 p) t, c
LngKeyN = "29893" $ z V: o z/ x; C
StrMessage = Message 0 M4 y$ W* k% c
Set ObjRSA = New clsRSA
8 v; ^, c2 E7 JObjRSA.PublicKey = LngKeyE 5 U+ Q: S3 k! n' l% x g
ObjRSA.Modulus = LngKeyN
- k5 q$ @+ E; L4 ?, sEncryptstr = ObjRSA.Encode(StrMessage)
2 q* z0 r4 P6 g/ T4 Z; V6 }* S2 i' [Set ObjRSA = Nothing . }- b; o9 b7 k$ g( G
end function
: A2 i+ I9 B9 F1 oFunction Decryptstr(Message)
, r$ R b9 g# g2 a8 XDim LngKeyE
0 q; T: @' D bDim LngKeyD
; E0 L+ s; g3 q9 dDim LngKeyN / O/ A2 o" Q( l+ Y* o6 y9 l8 @6 l
Dim StrMessage & n! i) l+ t% {+ \( i9 z$ T/ L
Dim ObjRSA - B- ^% I0 _& U! _9 F* t0 B( w# J8 H$ x
LngKeyE = "32823"
3 o% H# d8 u- ?+ }- k1 J/ wLngKeyD = "20643" 7 c# P) O1 t3 v7 b% p: E
LngKeyN = "29893"
& u0 `" l6 v* S0 [( g4 [1 |; M9 z7 @StrMessage = Message
7 x7 e* R n' x+ u+ RSet ObjRSA = New clsRSA $ `% u' \9 I( z
ObjRSA.PrivateKey =LngKeyD ' \; g; @/ b" R2 v, u+ X
ObjRSA.Modulus=LngKeyN
; r! F8 G0 a" U2 H& xdecryptstr=ObjRSA.Decode(StrMessage) / u$ E) V3 g4 Q
Set ObjRSA = Nothing . w9 P3 Q3 p2 t1 |
end function
; n! e/ b" [1 f1 { V7 S%>
5 M6 W# b3 H2 ^' K===============================================
1 ]% ?$ [4 Z% h. @
3 Y! N5 `# _5 i7 K1 {/ [还有一个用于测试这段代码的test.asp
/ w b O/ G% s$ p+ p5 b有兴趣的自己搭建个IIS测试下% u6 k1 Z% f# O6 W6 F# Y$ G! b
<!--#INCLUDE FILE="RSA.asp"-->
' P. p2 C6 W+ z V<%
( ^6 U; _9 h+ T; Lfunction Encryptstr(Message)
3 e2 P6 H5 D4 L5 ~8 K! HDim LngKeyE ! Y/ E& }/ A5 d R. W0 R
Dim LngKeyD
( L' B' \: c$ K" d- n! a; o% FDim LngKeyN 3 P" _* F0 z2 @ A6 O
Dim StrMessage
* s R1 g( x- [" T! K/ \5 d1 zDim ObjRSA
( a& P' I0 ~' o% D6 R! wLngKeyE = "32823"
0 E3 V% o/ i! R h7 X% x0 I4 Y- pLngKeyD = "20643"
4 x6 `, t7 l) ELngKeyN = "29893" $ o8 ~0 G; R8 R6 u3 B
StrMessage = Message
/ D8 {0 p% T# n! i" eSet ObjRSA = New clsRSA
- H8 j* M; ~) w4 @3 i8 l. w0 QObjRSA.PublicKey = LngKeyE " A s v$ P; O7 {+ I: O
ObjRSA.Modulus = LngKeyN
) Z0 l4 |: S; l) [% cEncryptstr = ObjRSA.Encode(StrMessage) & s) M9 M& z/ q/ f( ^/ o
Set ObjRSA = Nothing ) Z* v% `; F' a, D) x5 t; Z9 y
end function 7 f: w" \2 a% p2 Y8 J
function decryptstr(Message) 6 R, r( i. V$ g1 t8 o; E/ c( g
Dim LngKeyE # A# I% Z9 D- Q& s
Dim LngKeyD % D( H; @% S3 X
Dim LngKeyN r# E' K2 P. H' F3 q3 E: I! H
Dim StrMessage 1 C5 w1 y' s( } y9 u# e Z
Dim ObjRSA * M7 @0 t U. q6 J8 Y
LngKeyE = "32823"
/ j# g) b4 D# u# x2 YLngKeyD = "20643" 1 a; G3 \6 X. b, d* x# n# a
LngKeyN = "29893"
5 X1 w/ U5 z( n0 ]- X; |+ _( jStrMessage = Message
2 g6 |3 V( H! M: @7 V# C; dSet ObjRSA = New clsRSA 0 |# p' T) A) |0 e
ObjRSA.PrivateKey =LngKeyD
$ Q: U7 I/ L" YObjRSA.Modulus=LngKeyN
1 R5 h, I% m9 udecryptstr=ObjRSA.Decode(StrMessage) " ?. X6 m- s" w: F) b
Set ObjRSA = Nothing
; X1 r' _+ M2 a/ n( f! Hend function
1 M9 e* R# K$ N; _1 _( Ndim last,first 3 t. v$ G, E2 L, K2 A
first="!@#$%^&*()" ) t2 }( a9 i6 O
Response.Write "加密前为:"&first
( ^3 `, f: [2 v) \9 v* }last=Encryptstr(first)
8 X! L( R# ~9 X" X, w/ JResponse.Write "加密后为"&last - o# t" o5 a( A' i5 b
Response.Write "解密后为" &decryptstr(last) " ~, }* ~! p8 Q% c ?: e, p
%> ==============================================
4 }( W: i; i9 @1 Q/ D剩下的就是字符的对照表了0 z8 g% O6 L6 T. T1 G+ R2 E9 A
===================字符集================1 t: c# ?& J4 ]" f
1_____6EBB
. C2 l, W# c' Q; F1 s0 @# |$ M2_____5C1F. x, y. D; F3 h4 ?$ o
3_____4D75 V8 f; N3 d' Y
4_____26CC5 N4 p; Y" d! X
5_____4F88 O( }7 [" ` v8 c
6_____3F4E
$ ~9 _6 A9 p$ T/ S3 d) T$ p7_____0A9D9 o6 M9 U9 z, R) a0 x) W. w- u
8_____1A1C
- Q& |, l' B- j( U" N9_____6D20
+ b N$ M3 ?+ [0_____1089) I3 q7 ^+ n) k; z! _
a_____0F3E U& ?* B& W( u
b_____3159
\* Z5 g1 H' Z+ O& U" ~6 x# Pc_____3517
" e' E- ?+ m; J6 G! m( z6 ?$ t$ q. nd_____419C
1 m+ }; u6 g& x' ?/ ^1 }e_____615C) [! Q( j- @* j
f_____556F$ R1 R: m! u1 K+ k; B! J+ V, `
g_____2B7F- v# a6 @( z4 Z
h_____0F9C
5 H5 [" C% [4 y& z- Ri_____00FA
$ G7 O# D( L' U: S& kj_____5A50; R' P! ]4 |+ `" R
k_____2850
: Q2 o4 a8 \+ z; R# Il_____3E7B r' [" a5 S4 V* ]
m_____71C5
+ K/ O2 P. i* r X, e; [% tn_____1FC8( d! f l/ \2 o4 q, h- R3 U' _. q& U) R' e
o_____74C1
. D% U- i# y; N: G7 H0 ^9 q/ Lp_____5FB8
% Y4 e _# l L: `6 L6 b; G, jq_____60851 ~: k) V# A( l6 v# D$ q! y
r_____3AC4; s2 w5 C: r# [, j6 B
s_____2F508 A" l5 c: B3 E6 Z# b( D
t_____36F8; F& ^4 k* o7 {- [4 c. ]/ \" H. x7 Q
u_____7010
" u: ~! V# U5 {- r z7 `' P% dv_____0B424 T3 {$ S u' @ H0 o8 u
w_____1C7A
' K# F4 U3 e" c- x$ [+ `x_____16F8+ t2 k, s# |. b$ O) i* R
y_____2EE78 n5 p( E. \- s" P$ r( ^
z_____5CF3# c2 c( [/ x( i5 a/ W7 t
!_____62337 t. H! Y% x7 j7 @/ f& \
@_____3A451 n1 B5 \2 [; q6 q; P' m; h. z7 S
#_____2291
7 @4 {' A. f& k$_____5D5C
+ o$ e( f; n% M1 I% B3 [. [8 v%_____09B9
; S. \$ l" \1 j' I% E^_____43EA
/ l" r+ W$ S7 ~# d&_____62B9
9 X' U, \- B, J4 m5 \*_____6301
! T: H7 j n& Q U: y' b, I0 I8 e. d(_____46591 l$ f1 A7 Y* D4 j x
)_____5C82 |
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