gecko-dev/security/nss/lib/freebl/camellia.h

43 строки
1.5 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 _CAMELLIA_H_
#define _CAMELLIA_H_ 1
#define CAMELLIA_BLOCK_SIZE 16 /* bytes */
#define CAMELLIA_MIN_KEYSIZE 16 /* bytes */
#define CAMELLIA_MAX_KEYSIZE 32 /* bytes */
#define CAMELLIA_MAX_EXPANDEDKEY (34 * 2) /* 32bit unit */
typedef PRUint32 KEY_TABLE_TYPE[CAMELLIA_MAX_EXPANDEDKEY];
typedef SECStatus CamelliaFunc(CamelliaContext *cx, unsigned char *output,
unsigned int *outputLen,
unsigned int maxOutputLen,
const unsigned char *input,
unsigned int inputLen);
typedef SECStatus CamelliaBlockFunc(const PRUint32 *subkey,
unsigned char *output,
const unsigned char *input);
/* CamelliaContextStr
*
* Values which maintain the state for Camellia encryption/decryption.
*
* keysize - the number of key bits
* worker - the encryption/decryption function to use with this context
* iv - initialization vector for CBC mode
* expandedKey - the round keys in 4-byte words
*/
struct CamelliaContextStr {
PRUint32 keysize; /* bytes */
CamelliaFunc *worker;
PRUint32 expandedKey[CAMELLIA_MAX_EXPANDEDKEY];
PRUint8 iv[CAMELLIA_BLOCK_SIZE];
};
#endif /* _CAMELLIA_H_ */