RetroZilla/security/nss/lib/freebl/ctr.h
roytam1 30d33aa8e8 cherry-picked mozilla NSS upstream changes (to rev f7a4c771997e, which is on par with 3.16.1 but without windows rand() changes):
9934c8faef29, 3c3b381c4865, 5a67f6beee9a, 1b1eb6d77728, a8b668fd72f7, bug962760, bug743700, bug857304, bug972653, bug972450, bug971358, bug903885, bug977073, bug976111, bug949939, bug947653, bug947572, bug903885, bug979106, bug966596, bug979004, bug979752, bug980848, bug938369, bug981170, bug668130, bug974693, bug975056, bug979132, bug370717, bug979070, bug985070, bug900067, bug977673, bug519255, bug989558, bug557299, bug987263, bug369802, a751a5146718, bug992343, bug952572, bug979703, bug994883, bug994869, bug993489, bug984608, bug977869, bug667371, bug672828, bug793347, bug977869
2018-07-14 21:22:29 +08:00

52 lines
1.6 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 CTR_H
#define CTR_H 1
#include "blapii.h"
/* This structure is defined in this header because both ctr.c and gcm.c
* need it. */
struct CTRContextStr {
freeblCipherFunc cipher;
void *context;
unsigned char counter[MAX_BLOCK_SIZE];
unsigned char buffer[MAX_BLOCK_SIZE];
unsigned long counterBits;
unsigned int bufPtr;
};
typedef struct CTRContextStr CTRContext;
SECStatus CTR_InitContext(CTRContext *ctr, void *context,
freeblCipherFunc cipher, const unsigned char *param,
unsigned int blocksize);
/*
* The context argument is the inner cipher context to use with cipher. The
* CTRContext does not own context. context needs to remain valid for as long
* as the CTRContext is valid.
*
* The cipher argument is a block cipher in the ECB encrypt mode.
*/
CTRContext * CTR_CreateContext(void *context, freeblCipherFunc cipher,
const unsigned char *param, unsigned int blocksize);
void CTR_DestroyContext(CTRContext *ctr, PRBool freeit);
SECStatus CTR_Update(CTRContext *ctr, unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
unsigned int blocksize);
#ifdef USE_HW_AES
SECStatus CTR_Update_HW_AES(CTRContext *ctr, unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
unsigned int blocksize);
#endif
#endif