    
- 帖子
- 3852
- 积分
- 13044
- 威望
- 16780
- 金钱
- 36761
- 在线时间
- 1139 小时
         
|
原创作者:柔肠寸断 [3.A.S.T] http://www.3ast.com.cm9 r2 `8 c- [. S
原始出处:http://www.3ast.com.cm' O* r: v A( V% l/ C
$ |+ ], Z1 Q5 ]; _: j+ q) ?& a# G2 E看不懂的直接绕过
: @; q! Q- i* P- I7 _: E* \* J加密前为:hwy123456
4 X' l+ t, g x5 G加密后为0F9C1C7A2EE76EBB5C1F4D7526CC4F883F4E
/ v# P# g/ M4 ?; W# h m' G. A
* u: @9 ?. M2 j4 o% n============================================) u8 i. [5 N7 ^! X4 C2 S. C9 v' I
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- m$ Z% p" C* |' p
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 _0 O- h" U! F- `
以下是RSA算法文件% b$ y9 ]- A; l0 V
4 I' T+ Q3 Y: R" G
文件名RSA.ASP
2 z; I7 X0 I) [9 y- t===============================================
$ \% ?; X% e4 _- X' c" E. u! ?' L<% - }! M2 |. N/ ^8 B( l
Class clsRSA 3 |# c0 U! K, m0 R
Public PrivateKey
G, m+ Q0 b' T0 J% CPublic PublicKey
1 H" F1 ]0 j( sPublic Modulus
! X7 _4 o% W; f8 }Public Function Crypt(pLngMessage, pLngKey) % D: f, F' f: m+ D
On Error Resume Next 8 r- t( o# ~/ p3 I+ I
Dim lLngMod / c2 Q T0 ~! }" `( w% \2 z
Dim lLngResult
' ? |1 y1 }' r0 Z5 }4 @' b/ qDim lLngIndex + C' T: i7 i8 w
If pLngKey Mod 2 = 0 Then
9 U& v G$ f3 r+ m# r/ i* dlLngResult = 1
+ v& d0 Q4 V8 d9 p. q* Z* |For lLngIndex = 1 To pLngKey / 2
: K8 m' p \4 M# D/ T1 ?- qlLngMod = (pLngMessage ^ 2) Mod Modulus
0 u z2 C/ X$ @% L: n' Mod may error on key generation 7 v: G9 P) O; P8 c X. X1 T
lLngResult = (lLngMod * lLngResult) Mod Modulus
0 `3 X3 C! W: @4 j" S4 dIf Err Then Exit Function ' } |2 N2 t/ N: H8 n1 P! X
Next
& H: d- L) V6 V! UElse # G H5 Y- |, M* V0 L
lLngResult = pLngMessage
4 Z8 F# E6 [+ QFor lLngIndex = 1 To pLngKey / 2
' ]$ N. J$ W4 b" Z! ^) s& AlLngMod = (pLngMessage ^ 2) Mod Modulus
- W9 x' d3 s- r+ n! oOn Error Resume Next 9 a+ H. {8 b8 d5 B$ L( A: X
' Mod may error on key generation
9 i- y( @- H2 h! y7 d2 e+ Y3 M5 e0 {lLngResult = (lLngMod * lLngResult) Mod Modulus
9 a4 D; U! @" C: bIf Err Then Exit Function
& L9 R6 e9 a; ~$ m' zNext
5 J, ?" E0 j+ r/ L; m4 `End If ! @( b: b, `/ }
Crypt = lLngResult ( J2 S# B2 W% O" ^$ ^ _* Y
End Function
& o% v( Y3 h* \8 v1 _6 O6 ^. w; f u
Public Function Encode(ByVal pStrMessage) ( r6 [* U4 ~- c( M, s% M
Dim lLngIndex
' F$ S( [. c- k o4 pDim lLngMaxIndex 2 |5 H8 f3 w- H2 ~
Dim lBytAscii % C( E1 n$ g$ A0 z2 {/ o9 }7 W3 e
Dim lLngEncrypted 8 W* a2 B. p6 W6 Z" K2 L9 C
lLngMaxIndex = Len(pStrMessage)
$ r) L) E, `+ x: j% ]If lLngMaxIndex = 0 Then Exit Function ( L( T* d- r1 @& N/ O$ V5 G
For lLngIndex = 1 To lLngMaxIndex 3 \( K' S* G- @2 z5 k
lBytAscii = Asc(Mid(pStrMessage, lLngIndex, 1))
7 a( k; Q1 U7 y. K* b$ i/ HlLngEncrypted = Crypt(lBytAscii, PublicKey)
' e. U5 M4 b3 i- R/ o* _Encode = Encode & NumberToHex(lLngEncrypted, 4)
5 _# b" b0 l4 r* o0 U0 J qNext
- l, O0 {& d4 a0 [. {) fEnd Function
1 [9 r& K- x' i- [Public Function Decode(ByVal pStrMessage) 3 q6 [: a! A8 Y! a, i$ v5 M) B
Dim lBytAscii % J9 N; ~0 _. S: F4 h" z6 P
Dim lLngIndex
! {0 A, b H+ ^4 ]1 H! aDim lLngMaxIndex
`: s( _, m; a5 S" B$ ?( `. oDim lLngEncryptedData
8 `1 e. e( ]- g; u/ l: |Decode = "" 7 h* n& D. j8 B
lLngMaxIndex = Len(pStrMessage) ! X! J/ @5 v/ e+ Q9 K; T: h
For lLngIndex = 1 To lLngMaxIndex Step 4 0 z+ r( m8 o+ u$ J. ^4 i
lLngEncryptedData = HexToNumber(Mid(pStrMessage, lLngIndex, 4)) # Q/ ] P$ h' X5 L1 L
lBytAscii = Crypt(lLngEncryptedData, PrivateKey)
) c) f& O$ V+ x @7 g+ vDecode = Decode & Chr(lBytAscii) + [8 m" X4 V8 a7 Z; V4 d
Next
3 }" V; d! t3 zEnd Function 1 t1 d0 x; E, q: E* v6 N
Private Function NumberToHex(ByRef pLngNumber, ByRef pLngLength) 0 R4 Y& J6 S U
NumberToHex = Right(String(pLngLength, "0") & Hex(pLngNumber), pLngLength) . n9 P0 V. [* ?$ A
End Function
' h) @; Q: f% r3 A" J6 ~Private Function HexToNumber(ByRef pStrHex) ! o9 {& O$ C* o; v: V3 {, M5 q
HexToNumber = CLng("&h" & pStrHex) ( Z2 h' c$ h% V; `
End Function
7 q9 L* r& J) x4 x7 MEnd Class
" c5 K! A/ g8 s, C& n6 {1 Hfunction Encryptstr(Message)
) t6 S7 G3 Y2 v1 I7 FDim LngKeyE
" W( D: I7 U9 {3 nDim LngKeyD
]* L$ |# p! k) ^2 xDim LngKeyN
1 N4 ^/ w z H; Q: f* c4 i8 vDim StrMessage ( n5 U2 }7 F% r* k
Dim ObjRSA
7 ?7 z( j4 C+ ALngKeyE = "32823" ; I: z k+ t$ d+ B1 H
LngKeyD = "20643"
i2 V# |6 J4 d A7 LLngKeyN = "29893" & b, O8 i" t. a$ o/ }- s
StrMessage = Message
! p6 y% b3 Y& nSet ObjRSA = New clsRSA
7 e4 r1 E7 Q1 F uObjRSA.PublicKey = LngKeyE + ~; \3 p& Z. ` U& o+ @2 z3 M9 B2 G
ObjRSA.Modulus = LngKeyN
& }) y4 @9 e9 y# rEncryptstr = ObjRSA.Encode(StrMessage)
" U# ?! [. s2 q" aSet ObjRSA = Nothing
$ c8 y' X3 |; A$ f1 c5 D0 v4 Gend function/ D+ ~: N+ g4 a: B7 R$ E
Function Decryptstr(Message) " K% a/ y" W4 P3 {: R' J
Dim LngKeyE 0 R* y+ {5 C! x1 ~7 G
Dim LngKeyD 7 k4 o# x0 Q/ H4 k2 r7 W
Dim LngKeyN
- \; z/ Y' l- m0 YDim StrMessage , a# v. X+ p5 j" K4 {! g8 h
Dim ObjRSA
& B" m- X$ ]4 Z- E5 t4 LLngKeyE = "32823"
8 n, L6 b% }; o2 dLngKeyD = "20643" 4 X0 V2 M6 L2 F' K+ `$ z( B, P
LngKeyN = "29893" , k! V; W$ ^5 }# L* g C9 }4 j
StrMessage = Message
4 J6 ~( v: v+ @$ x' X$ ^2 B2 qSet ObjRSA = New clsRSA
: x' j- _( J) _) Z4 u6 E8 XObjRSA.PrivateKey =LngKeyD 9 I0 q [! I' g5 R! g9 I
ObjRSA.Modulus=LngKeyN ) Q1 ]" F5 ^' G* U0 S
decryptstr=ObjRSA.Decode(StrMessage) 8 v- `% B* J& c' I* T6 U
Set ObjRSA = Nothing ; h& q/ v* \5 [
end function . h" M' X0 c9 l( V9 R& q _
%>
* X" s, I9 G8 I- i9 C" H4 H: ]1 H5 e===============================================
$ x+ |. u, {1 D# z+ b- M# ~4 k
还有一个用于测试这段代码的test.asp/ i* J/ O" g) m% B% q
有兴趣的自己搭建个IIS测试下5 N9 F4 o, _! j/ X8 V: d8 Z+ k% C
<!--#INCLUDE FILE="RSA.asp"--> / l. ^4 w0 ~3 E0 e* U* x
<%
& N5 b) U7 O; `2 {function Encryptstr(Message) 4 {6 J t' B0 t" _ E
Dim LngKeyE h" K* s3 V; l/ H
Dim LngKeyD
% }$ T/ \, d0 L4 VDim LngKeyN $ b1 H K3 l6 Q: }: i9 T
Dim StrMessage ; W$ F9 z- W; T1 e, _" u( y% W5 m
Dim ObjRSA
! y* c* C2 I8 ~6 p! r5 g- p J) kLngKeyE = "32823" / P: `6 P( x/ r0 f/ l: `, c
LngKeyD = "20643"
0 O6 _! \$ L( i( LLngKeyN = "29893" 1 K8 o1 g* M ~! e8 t$ V) g7 q( }& h
StrMessage = Message 4 U% w# x! g8 V5 O
Set ObjRSA = New clsRSA
8 a- x# z9 G2 w$ X" E; `ObjRSA.PublicKey = LngKeyE 8 [1 S5 A8 x. a$ M( r
ObjRSA.Modulus = LngKeyN . ^: D# H8 e0 g. H% w$ Y
Encryptstr = ObjRSA.Encode(StrMessage) 1 w+ I- e& Y* w/ q) ^4 o% z
Set ObjRSA = Nothing
0 `- E2 t V" G; k7 h) s, vend function
- h5 a' a( p& W( f. {! P# T; ?function decryptstr(Message) % S' _: W( R/ q: m: D+ G: u
Dim LngKeyE
$ `. x, a* l' a2 b6 qDim LngKeyD
! r1 f" n: }! JDim LngKeyN
$ K4 q0 R! N K' HDim StrMessage
+ z* E2 P. A O x% ?* o# EDim ObjRSA 9 E) f& ^' D+ n4 g) O7 o8 d0 u
LngKeyE = "32823"
5 @! F* F* i7 q( y+ F) YLngKeyD = "20643" 4 O- \7 M s; K2 O( S
LngKeyN = "29893" ; W" a2 X( E3 j: R
StrMessage = Message
/ G. M" w) e! J# N( X$ a# wSet ObjRSA = New clsRSA # Q0 U+ X; _2 p" w* o
ObjRSA.PrivateKey =LngKeyD
6 r9 E$ o, D( K% v0 }ObjRSA.Modulus=LngKeyN ( f0 u1 Y7 C+ m, T
decryptstr=ObjRSA.Decode(StrMessage) + l* z3 B+ w" B; L8 Z6 B
Set ObjRSA = Nothing
3 w( Y1 @ e% y' V& { m$ j- Nend function
0 U! m6 s1 s/ V" M3 l, C# gdim last,first 3 I& S2 Z4 I9 G
first="!@#$%^&*()" 6 J( W; G B& }
Response.Write "加密前为:"&first
9 |' g, K: c1 t8 @. o4 r- hlast=Encryptstr(first) / S$ k) e4 r- i- Y$ }
Response.Write "加密后为"&last
# G( r" H0 R; R2 E# O! E6 z% aResponse.Write "解密后为" &decryptstr(last)
+ \# {4 ^1 L; }& D1 O* ]9 { v; W8 b! _%> ==============================================
2 Q' M$ V Z* p9 {剩下的就是字符的对照表了
* x" \0 H1 t$ }: h===================字符集================. o9 t1 A- x+ H1 b( x
1_____6EBB- }4 Q, z7 _! @( [/ {
2_____5C1F6 h/ O J Q# o
3_____4D75
% q1 n. h( D( Q: Z1 Y9 j8 E' v0 v4_____26CC$ i3 K: g" r; J* l6 d) Y) k9 P& f
5_____4F88+ F; t- d% R" E) [$ `+ a
6_____3F4E
. c; R: _0 v! R+ D- f2 T3 s7 y7_____0A9D. |- E4 s& X; t1 P8 F& e
8_____1A1C- m8 _" W$ y* Q" Z) f$ b6 n- L( c
9_____6D20
& ^ [" ?- r+ ~ ^0 m6 S1 a9 j0_____1089' q1 ]. o+ g' y9 }' \0 K
a_____0F3E3 b5 R3 f l6 n% N2 D, _
b_____3159
5 Z- g9 X& j) L) m' n y% bc_____3517. `/ n% m6 z+ O6 o ^5 Z; G, s8 ]* o& w
d_____419C
. @9 ~# T9 O& |5 c7 ?: ce_____615C
* f1 ], q# Q! T7 \0 W3 j; H& nf_____556F
5 {, F1 ^9 z8 o) g3 Gg_____2B7F
3 K; H* j$ ]0 bh_____0F9C# k1 }: k6 J. R0 n
i_____00FA
' ~$ `7 t5 _) u6 `8 @j_____5A50& ^& I) h1 }& {
k_____2850
: V& X/ H& q. I a! ~4 _l_____3E7B
* O& w o' R* q: M) A6 u. Mm_____71C5
) L4 Q& T, W- i/ Dn_____1FC85 V# ~9 z% t& O1 [- X
o_____74C17 f/ S ~: F; G4 g0 S
p_____5FB8
. w0 k) Z7 K/ N$ fq_____6085
' }+ ?0 B; I: J; ?: Br_____3AC4
5 P& F4 }/ b: l; L+ D" L5 Ms_____2F50
: {9 K& d6 K1 |4 P" Q' ?/ h0 At_____36F8
6 J( m; N; f( {2 C0 J+ \u_____7010; q0 u ^: l9 Y- Q9 J5 k) c9 I1 `
v_____0B42
6 ]) Y8 n" w, T' p5 b" C' B+ Ew_____1C7A# F. t- w4 _6 \5 x
x_____16F8, G& i* `+ p+ _' {* P/ x
y_____2EE7- u9 C" C' N. y. U' C8 d
z_____5CF3
( K# u/ A6 ]! k* v!_____6233
0 ^( G2 ]5 N1 | j@_____3A45
# q: [5 F7 h" Y4 s) K4 N#_____2291/ ]2 \) O. z% ?0 }" X0 b0 [* q
$_____5D5C6 ?; `% J T/ [# I! o, H
%_____09B9
$ `7 R, F2 H" S: K. N^_____43EA
$ A) |( k* I, \. b/ B+ m5 D&_____62B9
; L& H& t& d& ]*_____6301/ H( q3 H; R8 n4 x L# _) F
(_____4659' k& U3 i# n4 @1 P1 o
)_____5C82 |
|