Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/freebl/ctr.h @ 4:b513267f632f tip

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Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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4
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5 #ifndef CTR_H
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6 #define CTR_H 1
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7
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8 #include "blapii.h"
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9
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10 /* This structure is defined in this header because both ctr.c and gcm.c
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11 * need it. */
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12 struct CTRContextStr {
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13 freeblCipherFunc cipher;
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14 void *context;
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15 unsigned char counter[MAX_BLOCK_SIZE];
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16 unsigned char buffer[MAX_BLOCK_SIZE];
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17 unsigned long counterBits;
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18 unsigned int bufPtr;
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19 };
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20
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21 typedef struct CTRContextStr CTRContext;
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22
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23 SECStatus CTR_InitContext(CTRContext *ctr, void *context,
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24 freeblCipherFunc cipher, const unsigned char *param,
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25 unsigned int blocksize);
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26
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27 /*
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28 * The context argument is the inner cipher context to use with cipher. The
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29 * CTRContext does not own context. context needs to remain valid for as long
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30 * as the CTRContext is valid.
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31 *
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32 * The cipher argument is a block cipher in the ECB encrypt mode.
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33 */
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34 CTRContext * CTR_CreateContext(void *context, freeblCipherFunc cipher,
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35 const unsigned char *param, unsigned int blocksize);
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36
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37 void CTR_DestroyContext(CTRContext *ctr, PRBool freeit);
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38
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39 SECStatus CTR_Update(CTRContext *ctr, unsigned char *outbuf,
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40 unsigned int *outlen, unsigned int maxout,
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41 const unsigned char *inbuf, unsigned int inlen,
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42 unsigned int blocksize);
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43
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44 #ifdef USE_HW_AES
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45 SECStatus CTR_Update_HW_AES(CTRContext *ctr, unsigned char *outbuf,
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46 unsigned int *outlen, unsigned int maxout,
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47 const unsigned char *inbuf, unsigned int inlen,
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48 unsigned int blocksize);
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49 #endif
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50
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51 #endif
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