Mercurial > trustbridge > nss-cmake-static
comparison nss/lib/freebl/rijndael.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> |
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| date | Mon, 28 Jul 2014 10:47:06 +0200 |
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| -1:000000000000 | 0:1e5118fa0cb1 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef _RIJNDAEL_H_ | |
| 6 #define _RIJNDAEL_H_ 1 | |
| 7 | |
| 8 #include "blapii.h" | |
| 9 | |
| 10 #define RIJNDAEL_MIN_BLOCKSIZE 16 /* bytes */ | |
| 11 #define RIJNDAEL_MAX_BLOCKSIZE 32 /* bytes */ | |
| 12 | |
| 13 typedef SECStatus AESBlockFunc(AESContext *cx, | |
| 14 unsigned char *output, | |
| 15 const unsigned char *input); | |
| 16 | |
| 17 /* RIJNDAEL_NUM_ROUNDS | |
| 18 * | |
| 19 * Number of rounds per execution | |
| 20 * Nk - number of key bytes | |
| 21 * Nb - blocksize (in bytes) | |
| 22 */ | |
| 23 #define RIJNDAEL_NUM_ROUNDS(Nk, Nb) \ | |
| 24 (PR_MAX(Nk, Nb) + 6) | |
| 25 | |
| 26 /* RIJNDAEL_MAX_STATE_SIZE | |
| 27 * | |
| 28 * Maximum number of bytes in the state (spec includes up to 256-bit block | |
| 29 * size) | |
| 30 */ | |
| 31 #define RIJNDAEL_MAX_STATE_SIZE 32 | |
| 32 | |
| 33 /* | |
| 34 * This magic number is (Nb_max * (Nr_max + 1)) | |
| 35 * where Nb_max is the maximum block size in 32-bit words, | |
| 36 * Nr_max is the maximum number of rounds, which is Nb_max + 6 | |
| 37 */ | |
| 38 #define RIJNDAEL_MAX_EXP_KEY_SIZE (8 * 15) | |
| 39 | |
| 40 /* AESContextStr | |
| 41 * | |
| 42 * Values which maintain the state for Rijndael encryption/decryption. | |
| 43 * | |
| 44 * iv - initialization vector for CBC mode | |
| 45 * Nb - the number of bytes in a block, specified by user | |
| 46 * Nr - the number of rounds, specified by a table | |
| 47 * expandedKey - the round keys in 4-byte words, the length is Nr * Nb | |
| 48 * worker - the encryption/decryption function to use with worker_cx | |
| 49 * destroy - if not NULL, the destroy function to use with worker_cx | |
| 50 * worker_cx - the context for worker and destroy | |
| 51 * isBlock - is the mode of operation a block cipher or a stream cipher? | |
| 52 */ | |
| 53 struct AESContextStr | |
| 54 { | |
| 55 unsigned int Nb; | |
| 56 unsigned int Nr; | |
| 57 freeblCipherFunc worker; | |
| 58 /* NOTE: The offsets of iv and expandedKey are hardcoded in intel-aes.s. | |
| 59 * Don't add new members before them without updating intel-aes.s. */ | |
| 60 unsigned char iv[RIJNDAEL_MAX_BLOCKSIZE]; | |
| 61 PRUint32 expandedKey[RIJNDAEL_MAX_EXP_KEY_SIZE]; | |
| 62 freeblDestroyFunc destroy; | |
| 63 void *worker_cx; | |
| 64 PRBool isBlock; | |
| 65 }; | |
| 66 | |
| 67 #endif /* _RIJNDAEL_H_ */ |