base

application/sp-console(down)/Common/Crypt.cpp

@@ -0,0 +1,67 @@
+// Crypt.h
+//
+
+#include "stdafx.h"
+#include "crypt.h"
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[]=__FILE__;
+#define new DEBUG_NEW
+#endif
+
+char* CCrypt::m_pszKey = "SPConsole1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+CString CCrypt::Encrypt(CString sString)
+{
+	USES_CONVERSION;
+
+	int nKeyLen = (int)strlen(m_pszKey);
+	int iPos    = (int)sString.GetLength() % nKeyLen;
+
+	CString sRet;
+
+	LPCSTR pszAscii = T2CA(sString);
+	for (unsigned int i = 0;i < strlen(pszAscii); i++) {
+		CString sTemp = sRet;
+		sRet.Format(_T("%s%03d"), sTemp, (unsigned char)pszAscii[i] ^ m_pszKey[(i + iPos) % nKeyLen]);
+	}
+
+	return sRet;
+}
+
+CString CCrypt::Decrypt(CString sString)
+{
+	USES_CONVERSION;
+
+	LPCSTR pszAscii = T2CA(sString);
+
+	int nKeyLen = (int)strlen(m_pszKey);
+	int iPos    = ((int)strlen(pszAscii) / 3) % nKeyLen;
+
+	CString sRet;
+
+	TCHAR szTemp[2];
+	szTemp[1] = 0;
+	for (unsigned int i = 0; i < strlen(pszAscii) / 3; i++) {
+		int nDigit, nNumber = 0;
+
+		nDigit = pszAscii[i * 3];
+		if (nDigit < '0' || nDigit > '9')
+			return _T("");
+		nNumber += (nDigit - '0') * 100;
+		nDigit = pszAscii[i * 3 + 1];
+		if (nDigit < '0' || nDigit > '9')
+			return _T("");
+		nNumber += (nDigit - '0') * 10;
+		nDigit = pszAscii[i * 3 + 2];
+		if (nDigit < '0' || nDigit > '9')
+			return _T("");
+		nNumber += nDigit - '0';
+
+		szTemp[0] = nNumber ^ m_pszKey[(i + iPos) % nKeyLen];
+		sRet += szTemp;
+	}
+
+	return sRet;
+}