mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 04:05:49 +00:00
12f6bbbff2
--HG-- rename : security/nss/lib/freebl/sechash.h => security/nss/lib/cryptohi/sechash.h rename : security/nss/lib/softoken/secmodt.h => security/nss/lib/pk11wrap/secmodt.h rename : security/nss/lib/freebl/hasht.h => security/nss/lib/util/hasht.h extra : rebase_source : 7da6cd73ca2605a261085ad7fb3b90315e38ad6b
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef _ALGHMAC_H_
|
|
#define _ALGHMAC_H_
|
|
|
|
typedef struct HMACContextStr HMACContext;
|
|
|
|
SEC_BEGIN_PROTOS
|
|
|
|
/* destroy HMAC context */
|
|
extern void
|
|
HMAC_Destroy(HMACContext *cx, PRBool freeit);
|
|
|
|
/* create HMAC context
|
|
* hash_obj hash object from SECRawHashObjects[]
|
|
* secret the secret with which the HMAC is performed.
|
|
* secret_len the length of the secret.
|
|
* isFIPS true if conforming to FIPS 198.
|
|
*
|
|
* NULL is returned if an error occurs.
|
|
*/
|
|
extern HMACContext *
|
|
HMAC_Create(const SECHashObject *hash_obj, const unsigned char *secret,
|
|
unsigned int secret_len, PRBool isFIPS);
|
|
|
|
/* like HMAC_Create, except caller allocates HMACContext. */
|
|
SECStatus
|
|
HMAC_Init(HMACContext *cx, const SECHashObject *hash_obj,
|
|
const unsigned char *secret, unsigned int secret_len, PRBool isFIPS);
|
|
|
|
/* reset HMAC for a fresh round */
|
|
extern void
|
|
HMAC_Begin(HMACContext *cx);
|
|
|
|
/* update HMAC
|
|
* cx HMAC Context
|
|
* data the data to perform HMAC on
|
|
* data_len the length of the data to process
|
|
*/
|
|
extern void
|
|
HMAC_Update(HMACContext *cx, const unsigned char *data, unsigned int data_len);
|
|
|
|
/* Finish HMAC -- place the results within result
|
|
* cx HMAC context
|
|
* result buffer for resulting hmac'd data
|
|
* result_len where the resultant hmac length is stored
|
|
* max_result_len maximum possible length that can be stored in result
|
|
*/
|
|
extern SECStatus
|
|
HMAC_Finish(HMACContext *cx, unsigned char *result, unsigned int *result_len,
|
|
unsigned int max_result_len);
|
|
|
|
/* clone a copy of the HMAC state. this is usefult when you would
|
|
* need to keep a running hmac but also need to extract portions
|
|
* partway through the process.
|
|
*/
|
|
extern HMACContext *
|
|
HMAC_Clone(HMACContext *cx);
|
|
|
|
SEC_END_PROTOS
|
|
|
|
#endif
|