sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-20 03:55:46 +03:00
Code Issues Packages Projects Releases Wiki Activity

Added generic CHAP layer, independent of iSCSI

Browse Source
This commit is contained in:
Michael Brown
2006-11-21 13:26:59 +00:00
parent 57d539aab0
commit c5428303e4
4 changed files with 180 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
src/include/gpxe/chap.h Normal file
View File

@@ -0,0 +1,51 @@
#ifndef _GPXE_CHAP_H
#define _GPXE_CHAP_H
/** @file
*
* CHAP protocol
*
*/
#include <stdint.h>
#include <gpxe/md5.h>
struct digest_algorithm;
/** A CHAP challenge/response */
struct chap_challenge {
/** Digest algorithm used for the response */
struct digest_algorithm *digest;
/** Context used by the digest algorithm */
uint8_t *digest_context;
/** CHAP response */
uint8_t *response;
/** Length of CHAP response */
size_t response_len;
};
extern int chap_init ( struct chap_challenge *chap,
struct digest_algorithm *digest );
extern void chap_update ( struct chap_challenge *chap, const void *data,
size_t len );
extern void chap_respond ( struct chap_challenge *chap );
extern void chap_finish ( struct chap_challenge *chap );
/**
* Add identifier data to the CHAP challenge
*
* @v chap CHAP challenge/response
* @v identifier CHAP identifier
*
* The CHAP identifier is the first byte of the CHAP challenge. This
* function is a notational convenience for calling chap_update() for
* the identifier byte.
*/
static inline void chap_set_identifier ( struct chap_challenge *chap,
unsigned int identifier ) {
uint8_t ident_byte = identifier;
chap_update ( chap, &ident_byte, sizeof ( ident_byte ) );
}
#endif /* _GPXE_CHAP_H */

21
src/include/gpxe/md5.h
View File

@@ -1,25 +1,8 @@
#ifndef _GPXE_MD5_H
#define _GPXE_MD5_H
#include <stdint.h>
struct digest_algorithm;
#define MD5_DIGEST_SIZE 16
#define MD5_BLOCK_WORDS 16
#define MD5_HASH_WORDS 4
struct md5_context {
u32 hash[MD5_HASH_WORDS];
u32 block[MD5_BLOCK_WORDS];
u64 byte_count;
};
struct md5_hash {
u8 hash[MD5_DIGEST_SIZE];
};
extern void md5_init ( struct md5_context *context );
extern void md5_update ( struct md5_context *context, const void *data,
size_t len );
extern void md5_finish ( struct md5_context *context, struct md5_hash *hash );
extern struct digest_algorithm md5_algorithm;
#endif /* _GPXE_MD5_H */