在asp中通过vbs类实现rsa加密与解密的代码(5)
' n = product of 2 primes
Modulus = p * q \ 1
' random decryptor (2 to n)
PrivateKey = Rnd * (Modulus - 2) \ 1 + 2
lLngPhi = (p - 1) * (q - 1) \ 1
PublicKey = Euler(lLngPhi, PrivateKey)
Loop While PublicKey = 0 Or PublicKey = 1
' Loop if we can't crypt/decrypt a byte
Loop While Not TestCrypt(255)
End Sub
Private Function TestCrypt(ByRef pBytData)
Dim lStrCrypted
lStrCrypted = Crypt(pBytData, PublicKey)
TestCrypt = Crypt(lStrCrypted, PrivateKey) = pBytData
End Function
Private Function Euler(ByRef pLngPHI, ByRef pLngKey)
Dim lLngR(3)
Dim lLngP(3)
Dim lLngQ(3)
Dim lLngCounter
Dim lLngResult
Euler = 0
lLngR(1) = pLngPHI: lLngR(0) = pLngKey
lLngP(1) = 0: lLngP(0) = 1
lLngQ(1) = 2: lLngQ(0) = 0
lLngCounter = -1
Do Until lLngR(0) = 0
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