src/modules/filters/cipherfil.cpp


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/******************************************************************************
 *
 * cipherfil -	SWFilter decendant to decipher a module
 */


#include <stdlib.h>
#include <string.h>
#include <cipherfil.h>


CipherFilter::CipherFilter(const char *key) {
	cipher = new SWCipher((unsigned char *)key);
}


CipherFilter::~CipherFilter() {
	delete cipher;
}


SWCipher *CipherFilter::getCipher() {
	return cipher;
}


char CipherFilter::ProcessText(char *text, int maxlen, const SWKey *key, const SWModule *module) {
	unsigned int len;
//	len = strlen(text);
	len = maxlen;
     if (len > 0) {
		cipher->cipherBuf(&len, text);
		strncpy(text, cipher->Buf(), (len < (unsigned int)maxlen) ? len : maxlen);
     }
	text[maxlen] = 0;
	text[maxlen+1] = 0;
	return 0;
}