/*********************************************************************************
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* Copyright: (C) 2020 LingYun IoT System Studio
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* All rights reserved.
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*
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* Filename: encrypto.c
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* Description: This file
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*
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* Version: 1.0.0(2020年04月04日)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "2020年04月04日 21时02分36秒"
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*
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********************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include "encrypto.h"
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int g_var = 0;
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static int test(void)
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{
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return 0;
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}
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int encrypto(char *str, char *ciphertxt, int size)
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{
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int i;
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test();
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if(!str || !ciphertxt || size<strlen(str))
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{
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printf("%s:%d %s(): Invalid input arguments\n", __FILE__, __LINE__, __FUNCTION__);
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return -1;
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}
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for(i=0; i<strlen(str); i++)
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{
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ciphertxt[i]=str[i]+1;
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}
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g_var ++;
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return 0;
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}
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int decrypto(char *ciphertxt, char *text, int size)
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{
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int i;
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if( !ciphertxt || !text || size<strlen(ciphertxt) )
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{
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printf("%s:%d %s(): Invalid input arguments\n", __FILE__, __LINE__, __FUNCTION__);
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return -1;
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}
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for(i=0; i<strlen(ciphertxt); i++)
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{
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text[i]=ciphertxt[i]-1;
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}
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return 0;
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}
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