gecko-dev/security/nss/lib/freebl/gcm.h

32 строки
1.1 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 GCM_H
#define GCM_H 1
#include "blapii.h"
typedef struct GCMContextStr GCMContext;
/*
* The context argument is the inner cipher context to use with cipher. The
* GCMContext does not own context. context needs to remain valid for as long
* as the GCMContext is valid.
*
* The cipher argument is a block cipher in the ECB encrypt mode.
*/
GCMContext * GCM_CreateContext(void *context, freeblCipherFunc cipher,
const unsigned char *params, unsigned int blocksize);
void GCM_DestroyContext(GCMContext *gcm, PRBool freeit);
SECStatus GCM_EncryptUpdate(GCMContext *gcm, unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
unsigned int blocksize);
SECStatus GCM_DecryptUpdate(GCMContext *gcm, unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
unsigned int blocksize);
#endif