Encrypt And Compress - protecting sourcecode and reduceing down time

enhtml.c

/*
	Encrypt HTML By DreamVB
	Version 1.0
	Encrypt & Compress HTM and HTML files making them harder to read
	to protect from your code been stolen.
	There is also a optional /C compression flag that can be used to also reduce the html size.

	Please feel free to use as you like or if you want add your own features and let me see the changes.
	Please let me know if you found this code useful e. [email protected]

	Usage

	Encrypt only
	enhtml sample.html output.html

	Encrypt + Compress
	enhtml sample.html output.html /C
*/

#include <stdio.h>
#include <string>

char* Hex(int Number)
{
    char sHex[10];
    int i = 0;
    // Convert to hex number
    sprintf(sHex, "%02x", Number);
    // Resize char* to fix sHex
    char* Str = (char*)malloc(strlen(sHex) * sizeof(char*));
    // Copy sHex into Str
    strcpy(Str, sHex);
    // Return
    return Str;
}

int main(int argc, char* argv[]){
	FILE *fin = NULL;
	FILE *fout = NULL;
	bool CompFlag = false;
	char c = '\0';

	if(argc < 3){
		printf("Usage: <InFile> <OutFile> [/C] COMPRESS\n");
		return 0;
	}

	//Check for compression flag
	if(argc == 4){
		if(argv[3][0] == '/'){
			if((argv[3][1]=='C') || (argv[3][1] == 'c')){
				//User wants to compress the file
				CompFlag = true;
			}
		}
	}

	//Open inputfile.
	fin = fopen(argv[1],"r");
	//Try and see if inputfile opened.
	if(fin == NULL){
		printf("IO/Error cannot open file\n");
		return 0;
	}
	//Open output file
	fout = fopen(argv[2],"w");

	//See if output file opened.
	if(!fout){
		printf("IO/Error cannot write file\n");
		return 0;
	}
	//Add javascript heading code
	fputs("<Script Language='Javascript'>\n",fout);
	fputs("<!-- HTML Encryption by DreamVB -->\n",fout);
	fputs("<!--\n",fout);
	fputs("document.write(unescape('",fout);

	while(!feof(fin)){
		//Read char
		c = getc(fin);

		if(!feof(fin)){
			//Check if we need to compress the file.
			if(CompFlag){
				if(c == '\n'){
					c = fgetc(fin);
					//Exit if at end of file
					if(c == EOF){
						break;
					}
					//Eat spaces
					while((c == ' ') || (c=='\t'))
					{
						c = fgetc(fin);
					}
					//Eat line breaks
					if(c == '\n'){continue;}
					if(c == '\r'){continue;}
				}
			}
			//Check again for compressing TABs
			if(CompFlag){
				if(c == '\t'){
					continue;
				}
			}

			if(!feof(fin)){
				//Write HEX sign
				fputc('%',fout);
				//Write hext value.
				fputs(Hex(c),fout);
			}
		}
	}

	//Write ending code
	fputs("'));\n",fout);
	//Write comment end code
	fputs("//-->\n",fout);
	//Write javascript end tag
	fputs("</Script>\n",fout);

	//Close files
	fclose(fin);
	fclose(fout);

	return 1;
}