ComputerSurge/bind9
3
0
Fork 0
Code Pull Requests 1 Activity

more dst updates

Browse Source
This commit is contained in:
Brian Wellington
2000-06-02 23:36:14 +00:00
parent e2774cae38
commit 182706b2e9
10 changed files with 129 additions and 197 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
lib/dns/sec/dst/dst_support.c
View File

@@ -19,43 +19,17 @@
/*
* Principal Author: Brian Wellington
* $Id: dst_support.c,v 1.5 2000/05/15 21:02:34 bwelling Exp $
* $Id: dst_support.c,v 1.6 2000/06/02 23:36:09 bwelling Exp $
*/
#include <config.h>
#include <stdio.h>
#include <isc/string.h>
#include <stdlib.h>
#include "dst_internal.h"
/*
* dst_s_calculate_bits
* Given a binary number represented by a u_char[], determine
* the number of significant bits used.
* Parameters
* str An input character string containing a binary number.
* max_bits The maximum possible significant bits.
* Return
* N The number of significant bits in str.
*/
int
dst_s_calculate_bits(const unsigned char *str, const int max_bits) {
const unsigned char *p = str;
unsigned char i, j = 0x80;
int bits;
for (bits = max_bits; *p == 0x00 && bits > 0; p++)
bits -= 8;
for (i = *p; (i & j) != j; j >>= 1)
bits--;
return (bits);
}
/*
* dst_s_id_calc
* dst__id_calc
* Calculates the checksum used by DNS as a key id.
* Parameters
* key The key in DNS format
@@ -64,7 +38,7 @@ dst_s_calculate_bits(const unsigned char *str, const int max_bits) {
* N the 16 bit checksum.
*/
isc_uint16_t
dst_s_id_calc(const unsigned char *key, const int keysize) {
dst__id_calc(const unsigned char *key, const int keysize) {
isc_uint32_t ac;
const unsigned char *kp = key;
int size = keysize;