Mercurial > trustbridge > nss-cmake-static
diff nss/lib/freebl/alghmac.h @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Mon, 28 Jul 2014 10:47:06 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nss/lib/freebl/alghmac.h Mon Jul 28 10:47:06 2014 +0200 @@ -0,0 +1,64 @@ +/* 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