mir/bind
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-09-05 00:55:24 +00:00
Code Issues Releases Wiki Activity

dst_sig_size changes

Browse Source
This commit is contained in:
Brian Wellington
1999-10-26 19:31:52 +00:00
parent a413f94248
commit d5334bc183
4 changed files with 52 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
lib/dns/sec/dst/dst_api.c
View File

@@ -17,7 +17,7 @@
/*
* Principal Author: Brian Wellington
* $Id: dst_api.c,v 1.18 1999/10/25 21:04:53 bwelling Exp $
* $Id: dst_api.c,v 1.19 1999/10/26 19:31:52 bwelling Exp $
*/
#include <config.h>
@@ -718,30 +718,36 @@ dst_key_isprivate(const dst_key_t *key) {
* Computes the maximum size of a signature generated by the given key
* Parameters
* key The DST key
* n Stores the number of bytes necessary to hold a signature
* with the key.
* Returns
* n The number of bytes necessary to hold a signature with the key.
* ISC_R_SUCCESS
* DST_R_UNSUPPORTEDALG
*/
int
dst_sig_size(const dst_key_t *key) {
isc_result_t
dst_sig_size(const dst_key_t *key, unsigned int *n) {
RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
REQUIRE(VALID_KEY(key));
REQUIRE(dst_supported_algorithm(key->key_alg) == ISC_TRUE);
REQUIRE(n != NULL);
switch (key->key_alg) {
case DST_ALG_RSA:
return (key->key_size + 7) / 8;
*n = (key->key_size + 7) / 8;
break;
case DST_ALG_DSA:
return (DNS_SIG_DSASIGSIZE);
*n = DNS_SIG_DSASIGSIZE;
break;
case DST_ALG_HMACMD5:
return (16);
*n = 16;
break;
case DST_ALG_HMACSHA1:
return (20);
*n = 20;
break;
case DST_ALG_DH:
return (-1);
default:
REQUIRE(ISC_FALSE);
return (-1);
return (DST_R_UNSUPPORTEDALG);
}
return (ISC_R_SUCCESS);
}
/*
@@ -749,27 +755,30 @@ dst_sig_size(const dst_key_t *key) {
* Computes the maximum size of a shared secret generated by the given key
* Parameters
* key The DST key
* n Stores the number of bytes necessary to hold a shared secret
* generated by the key.
* Returns
* n The number of bytes necessary to hold the shared secret
* ISC_R_SUCCESS
* DST_R_UNSUPPORTEDALG
*/
int
dst_secret_size(const dst_key_t *key) {
isc_result_t
dst_secret_size(const dst_key_t *key, unsigned int *n) {
RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
REQUIRE(VALID_KEY(key));
REQUIRE(dst_supported_algorithm(key->key_alg) == ISC_TRUE);
REQUIRE(n != NULL);
switch (key->key_alg) {
case DST_ALG_DH:
*n = (key->key_size + 7) / 8;
break;
case DST_ALG_RSA:
case DST_ALG_DSA:
case DST_ALG_HMACMD5:
case DST_ALG_HMACSHA1:
return (-1);
case DST_ALG_DH:
return (key->key_size + 7) / 8;
default:
REQUIRE(ISC_FALSE);
return (-1);
return (DST_R_UNSUPPORTEDALG);
}
return (ISC_R_SUCCESS);
}
/*