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Introduce ekey_t encryption key type and remove need for NKEY length constant.

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This commit is contained in:
Renaud 2014-06-02 14:22:05 +08:00
parent e2ae45e187
commit fa6edaa282
3 changed files with 12 additions and 10 deletions
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12
buffer.h
View File

@ -4,12 +4,14 @@
#include "crypt.h"
#include "line.h"
#define NPAT 128 /* # of bytes, pattern */
typedef char fname_t[ 80] ; /* file name */
typedef char bname_t[ 16] ; /* buffer name */
typedef char fname_t[ 80] ; /* file name type */
typedef char bname_t[ 16] ; /* buffer name type */
#define NBUFN sizeof( bname_t)
#if CRYPT
typedef char ekey_t[ 128] ; /* encryption key type */
#endif
/*
* Text is kept in buffers. A buffer header, described below, exists for every
* buffer in the system. The buffers are kept in a big list, so that commands
@ -35,7 +37,7 @@ struct buffer {
fname_t b_fname ; /* File name */
bname_t b_bname ; /* Buffer name */
#if CRYPT
char b_key[NPAT]; /* current encrypted key */
ekey_t b_key ; /* current encrypted key */
#endif
};

4
file.c
View File

@ -153,14 +153,14 @@ int set_encryption_key(int f, int n)
{
int status; /* return status */
int odisinp; /* original vlaue of disinp */
char key[NPAT]; /* new encryption string */
ekey_t key ; /* new encryption string */
/* turn command input echo off */
odisinp = disinp;
disinp = FALSE;
/* get the string to use as an encrytion string */
status = mlreply("Encryption String: ", key, NPAT - 1);
status = mlreply("Encryption String: ", key, sizeof key - 1);
disinp = odisinp;
if (status != TRUE)
return status;

6
main.c
View File

@ -159,7 +159,7 @@ int main(int argc, char **argv)
bname_t bname ; /* buffer name of file to read */
#if CRYPT
int cryptflag; /* encrypting on the way in? */
char ekey[NPAT]; /* startup encryption key */
ekey_t ekey ; /* startup encryption key */
#endif
int newc;
@ -234,7 +234,7 @@ int main(int argc, char **argv)
case 'k': /* -k<key> for code key */
case 'K':
cryptflag = TRUE;
strncpy( ekey, &argv[ carg][ 2], sizeof ekey - 1) ; /* max encryption pattern limited to NPAT - 1 */
strncpy( ekey, &argv[ carg][ 2], sizeof ekey - 1) ;
ekey[ sizeof ekey - 1] = 0 ;
break;
#endif
@ -288,7 +288,7 @@ int main(int argc, char **argv)
#if CRYPT
if (cryptflag) {
bp->b_mode |= MDCRYPT;
strncpy( bp->b_key, ekey, NPAT) ;
strncpy( bp->b_key, ekey, sizeof ekey) ;
cryptbufferkey( bp) ;
}
#endif