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原创作者:柔肠寸断 [3.A.S.T] http://www.3ast.com.cm
5 v3 h+ E! z; m4 X, Y原始出处:http://www.3ast.com.cm
+ ?/ B. r2 U: |- t. I- j# x. Q7 I
4 p8 R8 k! R2 G" k" ^ R看不懂的直接绕过
w( A/ P0 }" X- N加密前为:hwy123456& N( s3 W1 r3 { e" m( c
加密后为0F9C1C7A2EE76EBB5C1F4D7526CC4F883F4E1 L% ?$ J+ q) i
: J7 p9 X2 s' T7 x8 B" G============================================5 O' z) Z( w3 o' [- R6 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
4 U* _! O' W8 }& j+ I8 n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. j, P7 q! }- ?% J3 ^5 Z: y& j
以下是RSA算法文件8 r x/ D0 F" |* I3 t
: e3 x9 ~- R( u ]4 B+ w文件名RSA.ASP
; H' H T- ]" J6 j) O===============================================
0 F& \! S% N" c* X7 y" m<%
5 c7 c% L1 x4 K1 A- x4 ]Class clsRSA
1 `: C' }: V# TPublic PrivateKey , t. U- l4 W% N" a* K
Public PublicKey
7 _5 {% H' p R% Q% APublic Modulus " s$ u1 |8 p0 R+ z' d1 b
Public Function Crypt(pLngMessage, pLngKey) " [6 _' J/ X9 x% T
On Error Resume Next
" O7 [: Z+ A/ D4 M' zDim lLngMod
6 i" ~$ m% }7 s+ B2 b( G* i9 WDim lLngResult 5 S9 F& a; L- n' s; h; j: n8 Z% i
Dim lLngIndex ; D T$ N B) H i# U" s
If pLngKey Mod 2 = 0 Then / H0 D: p# ]) {' ?7 k
lLngResult = 1 & ^, W1 m: b W% K
For lLngIndex = 1 To pLngKey / 2 : P' H' h; H/ H9 \" i# Z, l# X
lLngMod = (pLngMessage ^ 2) Mod Modulus 2 J8 R* s* {, P3 {8 Z) N
' Mod may error on key generation
2 @: p3 {1 u; l$ L: _# plLngResult = (lLngMod * lLngResult) Mod Modulus
) B% T. K0 W; Y. n# ^, b7 V0 cIf Err Then Exit Function
7 s$ K; t2 s- k( n* a, CNext
8 u, [/ i4 e3 y) ~9 n/ k @8 bElse
% c4 |7 @5 d7 wlLngResult = pLngMessage
. M7 F0 l" J" N# EFor lLngIndex = 1 To pLngKey / 2
7 j9 _- v7 b0 z- |" @- G0 t5 U& ylLngMod = (pLngMessage ^ 2) Mod Modulus
, a. V. L6 L, |. w2 ^On Error Resume Next
5 b& d/ v! ?5 Z2 R3 y& K. V4 j' Mod may error on key generation ) H) i7 [9 C. p# z- g' C
lLngResult = (lLngMod * lLngResult) Mod Modulus
' c9 E, ], d/ [# \- ~7 XIf Err Then Exit Function
/ S$ g! R% _/ G1 H0 p7 c, z0 WNext % }* `5 H. M* |% s
End If 6 ]7 u) D' {" B0 ^. A
Crypt = lLngResult 2 J1 o! S* u: ^2 I$ u) B
End Function
/ D# o* d5 S4 [; Z; g
6 e, a# g* l) ~ l$ ~0 U2 N! WPublic Function Encode(ByVal pStrMessage)
( f) E# z6 F- y! F; `7 x% H) cDim lLngIndex 4 ]( @ ?% q3 q7 _# x
Dim lLngMaxIndex 6 P$ z. l4 K; b; c9 c0 h3 D
Dim lBytAscii ( d) L1 r3 n$ ~+ v, ^+ ^
Dim lLngEncrypted
! ^, D6 O* d7 w& \lLngMaxIndex = Len(pStrMessage)
: B# v) K' ]5 K+ HIf lLngMaxIndex = 0 Then Exit Function ! ?) P/ O. }) h0 e+ H: q' Z
For lLngIndex = 1 To lLngMaxIndex 4 \9 s( @ P9 {
lBytAscii = Asc(Mid(pStrMessage, lLngIndex, 1))
2 r- p/ p7 `" \6 L- o# TlLngEncrypted = Crypt(lBytAscii, PublicKey) & ~) q! L1 b6 F* W3 W5 g& k, n
Encode = Encode & NumberToHex(lLngEncrypted, 4)
8 |0 t- A# `3 f5 LNext 1 }# D% y1 G7 i% @* @# ]! K
End Function
O5 _+ ?. G# m+ \- |" _Public Function Decode(ByVal pStrMessage) / A, b6 ~/ U) y" X% A" _& d( l
Dim lBytAscii ( d8 G, r" n! o: e' T: E& x( A9 M
Dim lLngIndex
% `, L: _3 | o; I W3 j+ c2 LDim lLngMaxIndex 4 ~% D1 P8 r& x6 s* ~5 d
Dim lLngEncryptedData
: S$ O* l- r; _6 }* \Decode = "" , ^, [' r) E/ s$ i" U+ ]) J
lLngMaxIndex = Len(pStrMessage)
2 |% n& n5 D/ ?& ]. O( s9 R! ~" x" FFor lLngIndex = 1 To lLngMaxIndex Step 4 3 j) [/ f; u% U" B
lLngEncryptedData = HexToNumber(Mid(pStrMessage, lLngIndex, 4)) % s# k# e: D2 K3 S: w# e- ]
lBytAscii = Crypt(lLngEncryptedData, PrivateKey)
- a& C& `* r4 P ]4 [Decode = Decode & Chr(lBytAscii) $ a! o( S2 Z: q/ L. _8 N2 ?
Next ! Q$ E& I9 ^8 H
End Function
! V4 b3 R9 R7 E1 @0 APrivate Function NumberToHex(ByRef pLngNumber, ByRef pLngLength) ' Z* M; x" E7 C5 X2 B: }( X
NumberToHex = Right(String(pLngLength, "0") & Hex(pLngNumber), pLngLength) " v5 S- u; p6 U" a; k# C
End Function # A5 N+ K1 w9 N6 x
Private Function HexToNumber(ByRef pStrHex) : y. L4 h0 R+ l
HexToNumber = CLng("&h" & pStrHex) ! Y2 |* o" L8 {
End Function 0 m2 r9 v A; M5 z2 P" m( z9 N. i( Q% ?
End Class
% w8 J Z. a. ofunction Encryptstr(Message)
( K& W* z: v2 d5 [: [, bDim LngKeyE . l! Z/ u9 A9 _, ~( v' J0 h
Dim LngKeyD 1 i/ ~7 d( A" M' s% @. d7 Y7 \" w
Dim LngKeyN
+ c% R3 @: m% p vDim StrMessage # t4 P2 Y3 r- v: f2 G
Dim ObjRSA
8 e, J. g6 F- ?! a! n& tLngKeyE = "32823"
7 O* |7 H0 f, S8 h: i8 t( uLngKeyD = "20643" : }. B% E) R3 Q. @# S" O
LngKeyN = "29893"
" n2 c5 |9 G' x1 `+ HStrMessage = Message . P. S ]3 h, X/ @$ h
Set ObjRSA = New clsRSA * ]1 E0 b$ |1 o6 J2 H* M" y; G
ObjRSA.PublicKey = LngKeyE 3 {+ o0 d6 m% z" M. `
ObjRSA.Modulus = LngKeyN
! r+ `3 J- E# {, F/ i9 M f8 \# A xEncryptstr = ObjRSA.Encode(StrMessage)
# |7 {9 B4 M0 V( R* S% a+ L; _; kSet ObjRSA = Nothing : n2 ^# f: O2 h3 w: q
end function
8 l( X B# s# t1 l! c* YFunction Decryptstr(Message)
8 F# {; w' V( j* A: ?6 XDim LngKeyE 6 F! }) `+ ?2 K/ A
Dim LngKeyD
; z4 p4 Y+ w: j ZDim LngKeyN * K! Q+ s8 z/ u- x
Dim StrMessage
{+ s- q% x' o( N4 q) M0 IDim ObjRSA e; f/ E, Q* @( Z3 \6 U' H& v
LngKeyE = "32823" ! G+ l0 A! S! v( B1 \8 O$ K
LngKeyD = "20643" ! C* P) k6 W! _1 G; y$ Y+ P
LngKeyN = "29893"
! S* N/ F" q; g- W% r1 l3 T: KStrMessage = Message
8 ^* B+ y7 Q0 I6 j$ y6 L$ v" @Set ObjRSA = New clsRSA
X b- J* _0 f: H6 {$ YObjRSA.PrivateKey =LngKeyD
+ r" J/ W+ O0 J; eObjRSA.Modulus=LngKeyN ( e" a0 K' V6 U. F* v
decryptstr=ObjRSA.Decode(StrMessage)
" m, t. Q2 n! A# GSet ObjRSA = Nothing & ?9 T$ Y" h9 X! R: f
end function
8 V( X/ M. i, F( H# K a! ?/ m7 Q%>
! P4 x8 K3 V+ p) ~& o- h, [===============================================$ c/ E2 \( r% r( a( G1 Q
' S! q* `$ E3 C% W还有一个用于测试这段代码的test.asp
9 e4 N8 c, x1 O4 T5 X% V- S) t$ m有兴趣的自己搭建个IIS测试下
0 O; X( b4 u+ c) h( ?7 Y<!--#INCLUDE FILE="RSA.asp"--> & m: e6 s/ z7 o( g! a
<%3 \) O k# K, C2 Q3 ?4 d
function Encryptstr(Message) & _& j& ^7 \- U0 e
Dim LngKeyE
4 k9 Q. v8 c- T/ Z* ]6 _% |4 wDim LngKeyD 3 Q: @ C1 W' l) ]( M0 x3 i+ Y7 y
Dim LngKeyN
0 W! y! d, N+ e9 iDim StrMessage 1 ] M) x, k; | E
Dim ObjRSA / ^; \9 a; v3 N ^# m$ R+ ?
LngKeyE = "32823"
& s {% i" ?- N5 w5 j$ mLngKeyD = "20643"
# O ]5 S, O3 r; s4 k2 m+ V7 | QLngKeyN = "29893"
9 i1 r" q0 Q% H( n# ~/ _' Y! A2 _StrMessage = Message
2 j k8 C! C& X5 t" JSet ObjRSA = New clsRSA 4 ?& R( ^: \: F9 b3 E4 |
ObjRSA.PublicKey = LngKeyE + q$ n @4 q, d% L9 b
ObjRSA.Modulus = LngKeyN - R) }) a! c" N9 I' ~
Encryptstr = ObjRSA.Encode(StrMessage)
! B; Z \$ {0 q! O5 sSet ObjRSA = Nothing ) J( q5 N+ n/ Y7 I5 @2 J' f" Q% D
end function 3 C, f y. c" J
function decryptstr(Message)
+ u/ u) P+ S7 a% B3 K8 C- G; ^" bDim LngKeyE
2 _" m, A8 q6 wDim LngKeyD * g% I' h0 \5 Q
Dim LngKeyN
3 ?+ ]3 w; e* ?$ }! b# } D, ~Dim StrMessage
. u4 E5 y% q; J9 b" U5 RDim ObjRSA
1 z3 g% d+ R, M1 {5 _6 `: cLngKeyE = "32823" 0 {" {% j. O8 v/ X
LngKeyD = "20643" 1 q3 W7 Q* ?8 O
LngKeyN = "29893"
" [9 T. h1 t/ J6 U! eStrMessage = Message
- L' n8 H7 i9 L2 w7 D% r# i @Set ObjRSA = New clsRSA
& r$ F* x0 _' @" f- MObjRSA.PrivateKey =LngKeyD
b" ~$ a9 x& s' V3 J; B' ]ObjRSA.Modulus=LngKeyN
; ?% U! e1 a$ G1 Hdecryptstr=ObjRSA.Decode(StrMessage) ) P* }) l1 f/ l
Set ObjRSA = Nothing ! B* {! y! k5 q1 M7 o
end function
( _# |$ |7 m/ \9 b/ H( Hdim last,first " ?0 k0 V) n! p3 N
first="!@#$%^&*()" 8 | t% e& j8 C% `& I
Response.Write "加密前为:"&first g& j6 x, c7 ~( L- ?0 [
last=Encryptstr(first) , I" e. ?/ v' b+ [
Response.Write "加密后为"&last
- C1 z0 S2 R2 n0 o8 ?Response.Write "解密后为" &decryptstr(last) * d5 C! g9 S2 S( M" s* K3 v) X& ^
%> ==============================================
8 z( N7 l# ^4 ?: g' K/ G2 [3 x剩下的就是字符的对照表了
! G3 f3 C. C( U& U( m v===================字符集================
q( i) ~( ^5 K; T* n/ [5 s1_____6EBB
# [0 g W2 z3 R2_____5C1F! g/ H9 H9 B1 a y4 h, \; T
3_____4D75
' {( s- }7 W8 T3 |; n. R2 Y: k4_____26CC* ]/ t+ N+ e. V+ C7 y1 Z
5_____4F880 O+ Z% C/ G( [9 j6 E6 A
6_____3F4E4 u0 v T" w) M! t I" ~' G0 }- V
7_____0A9D
0 v1 R$ s" z/ _) b% B8 J* F: y8_____1A1C
/ e& K+ K0 d& {& j( D8 j3 E9_____6D20
0 [# O# z: ?9 N/ R0_____1089& w [& m0 w* ], o* B
a_____0F3E
; E2 J0 M* o6 a# P/ O- Vb_____3159
, l1 h0 o) Z, w1 e( |c_____3517* t" [8 |# T/ I* y1 y" Z
d_____419C, T: m2 I% b. s* c
e_____615C
! V+ {& r8 D( T% N% W( ~8 @% Bf_____556F
9 d: @- u; Y, p4 Dg_____2B7F
2 o% O$ }& p& _# ?h_____0F9C
$ I+ l% Y* o& N; _: s- u4 Hi_____00FA
+ T& }# x- G3 w; P# H' M5 w& Nj_____5A50
2 _! L: J) C4 k, U9 L. g2 bk_____2850
6 M- b b8 y5 j O; K( @7 Kl_____3E7B3 q3 c" }# L: @- X6 `& G. \/ n/ [
m_____71C5
$ z- f2 Z" s% ?% tn_____1FC8, r9 Q- d+ f- i( I# P: J' k
o_____74C1
* V! v/ C1 f9 K0 M: {6 N( S' wp_____5FB8
& C/ A& Z* T8 ~/ F6 Mq_____6085' H; Q l$ U( o
r_____3AC4& ]7 N0 q1 A9 }5 B) m6 l- o
s_____2F50, }% W3 n9 q' s D' m
t_____36F89 {2 I& [8 e( I4 z' y% C- w
u_____70103 S' G( N C6 \8 X! n/ ]3 F
v_____0B421 Z0 H2 e" D& [" u& ~5 S, g
w_____1C7A
- {7 F. S- v x& m3 R& @x_____16F8
5 d4 S8 W$ G" `' P, I' ^y_____2EE7& e4 ^; i G+ q" o; @6 |
z_____5CF3) V% g# C1 ~0 X/ h9 [
!_____6233: U; O& Z- q; Z" h0 Y5 }! Z
@_____3A45 @; V8 X0 M0 c" E" _! s! |
#_____2291) E# \7 ~- ~/ ^" Z4 w8 Z
$_____5D5C9 x+ R& X$ v" d6 [3 c
%_____09B9, N9 t. ~: f8 Q2 S- f" e
^_____43EA, z8 H! Z v8 y% ? ]
&_____62B9
, j3 P+ U9 r* P* N" Y! ]* [*_____63014 r8 c' Q3 j/ W8 S* h1 v5 e
(_____4659. ?3 H7 v/ W: k# G8 W! A
)_____5C82 |
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