security/nss/lib/freebl/ctr.h@6474c204b198 (annotated)
security/nss/lib/freebl/ctr.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef CTR_H |
| michael@0 | 6 | #define CTR_H 1 |
| michael@0 | 7 | |
| michael@0 | 8 | #include "blapii.h" |
| michael@0 | 9 | |
| michael@0 | 10 | /* This structure is defined in this header because both ctr.c and gcm.c |
| michael@0 | 11 | * need it. */ |
| michael@0 | 12 | struct CTRContextStr { |
| michael@0 | 13 | freeblCipherFunc cipher; |
| michael@0 | 14 | void *context; |
| michael@0 | 15 | unsigned char counter[MAX_BLOCK_SIZE]; |
| michael@0 | 16 | unsigned char buffer[MAX_BLOCK_SIZE]; |
| michael@0 | 17 | unsigned long counterBits; |
| michael@0 | 18 | unsigned int bufPtr; |
| michael@0 | 19 | }; |
| michael@0 | 20 | |
| michael@0 | 21 | typedef struct CTRContextStr CTRContext; |
| michael@0 | 22 | |
| michael@0 | 23 | SECStatus CTR_InitContext(CTRContext *ctr, void *context, |
| michael@0 | 24 | freeblCipherFunc cipher, const unsigned char *param, |
| michael@0 | 25 | unsigned int blocksize); |
| michael@0 | 26 | |
| michael@0 | 27 | /* |
| michael@0 | 28 | * The context argument is the inner cipher context to use with cipher. The |
| michael@0 | 29 | * CTRContext does not own context. context needs to remain valid for as long |
| michael@0 | 30 | * as the CTRContext is valid. |
| michael@0 | 31 | * |
| michael@0 | 32 | * The cipher argument is a block cipher in the ECB encrypt mode. |
| michael@0 | 33 | */ |
| michael@0 | 34 | CTRContext * CTR_CreateContext(void *context, freeblCipherFunc cipher, |
| michael@0 | 35 | const unsigned char *param, unsigned int blocksize); |
| michael@0 | 36 | |
| michael@0 | 37 | void CTR_DestroyContext(CTRContext *ctr, PRBool freeit); |
| michael@0 | 38 | |
| michael@0 | 39 | SECStatus CTR_Update(CTRContext *ctr, unsigned char *outbuf, |
| michael@0 | 40 | unsigned int *outlen, unsigned int maxout, |
| michael@0 | 41 | const unsigned char *inbuf, unsigned int inlen, |
| michael@0 | 42 | unsigned int blocksize); |
| michael@0 | 43 | |
| michael@0 | 44 | #ifdef USE_HW_AES |
| michael@0 | 45 | SECStatus CTR_Update_HW_AES(CTRContext *ctr, unsigned char *outbuf, |
| michael@0 | 46 | unsigned int *outlen, unsigned int maxout, |
| michael@0 | 47 | const unsigned char *inbuf, unsigned int inlen, |
| michael@0 | 48 | unsigned int blocksize); |
| michael@0 | 49 | #endif |
| michael@0 | 50 | |
| michael@0 | 51 | #endif |
