Mercurial > trustbridge > nss-cmake-static
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nss/lib/freebl/rijndael.h Mon Jul 28 10:47:06 2014 +0200 @@ -0,0 +1,67 @@ +/* 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 _RIJNDAEL_H_ +#define _RIJNDAEL_H_ 1 + +#include "blapii.h" + +#define RIJNDAEL_MIN_BLOCKSIZE 16 /* bytes */ +#define RIJNDAEL_MAX_BLOCKSIZE 32 /* bytes */ + +typedef SECStatus AESBlockFunc(AESContext *cx, + unsigned char *output, + const unsigned char *input); + +/* RIJNDAEL_NUM_ROUNDS + * + * Number of rounds per execution + * Nk - number of key bytes + * Nb - blocksize (in bytes) + */ +#define RIJNDAEL_NUM_ROUNDS(Nk, Nb) \ + (PR_MAX(Nk, Nb) + 6) + +/* RIJNDAEL_MAX_STATE_SIZE + * + * Maximum number of bytes in the state (spec includes up to 256-bit block + * size) + */ +#define RIJNDAEL_MAX_STATE_SIZE 32 + +/* + * This magic number is (Nb_max * (Nr_max + 1)) + * where Nb_max is the maximum block size in 32-bit words, + * Nr_max is the maximum number of rounds, which is Nb_max + 6 + */ +#define RIJNDAEL_MAX_EXP_KEY_SIZE (8 * 15) + +/* AESContextStr + * + * Values which maintain the state for Rijndael encryption/decryption. + * + * iv - initialization vector for CBC mode + * Nb - the number of bytes in a block, specified by user + * Nr - the number of rounds, specified by a table + * expandedKey - the round keys in 4-byte words, the length is Nr * Nb + * worker - the encryption/decryption function to use with worker_cx + * destroy - if not NULL, the destroy function to use with worker_cx + * worker_cx - the context for worker and destroy + * isBlock - is the mode of operation a block cipher or a stream cipher? + */ +struct AESContextStr +{ + unsigned int Nb; + unsigned int Nr; + freeblCipherFunc worker; + /* NOTE: The offsets of iv and expandedKey are hardcoded in intel-aes.s. + * Don't add new members before them without updating intel-aes.s. */ + unsigned char iv[RIJNDAEL_MAX_BLOCKSIZE]; + PRUint32 expandedKey[RIJNDAEL_MAX_EXP_KEY_SIZE]; + freeblDestroyFunc destroy; + void *worker_cx; + PRBool isBlock; +}; + +#endif /* _RIJNDAEL_H_ */