diff options
Diffstat (limited to 'sys/crypto/rijndael/rijndael-api-fst.h')
| -rw-r--r-- | sys/crypto/rijndael/rijndael-api-fst.h | 112 |
1 files changed, 54 insertions, 58 deletions
diff --git a/sys/crypto/rijndael/rijndael-api-fst.h b/sys/crypto/rijndael/rijndael-api-fst.h index c78b093..f153b69 100644 --- a/sys/crypto/rijndael/rijndael-api-fst.h +++ b/sys/crypto/rijndael/rijndael-api-fst.h @@ -1,42 +1,12 @@ /* $FreeBSD$ */ -/* $NetBSD: rijndael-api-fst.h,v 1.5 2003/07/16 05:08:09 itojun Exp $ */ -/* $KAME: rijndael-api-fst.h,v 1.9 2003/07/16 05:09:38 itojun Exp $ */ +/* $KAME: rijndael-api-fst.h,v 1.6 2001/05/27 00:23:23 itojun Exp $ */ -/** - * rijndael-api-fst.h +/* + * rijndael-api-fst.h v2.3 April '2000 * - * @version 2.9 (December 2000) + * Optimised ANSI C code * - * Optimised ANSI C code for the Rijndael cipher (now AES) - * - * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be> - * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be> - * @author Paulo Barreto <paulo.barreto@terra.com.br> - * - * This code is hereby placed in the public domain. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Acknowledgements: - * - * We are deeply indebted to the following people for their bug reports, - * fixes, and improvement suggestions to this implementation. Though we - * tried to list all contributions, we apologise in advance for any - * missing reference. - * - * Andrew Bales <Andrew.Bales@Honeywell.com> - * Markus Friedl <markus.friedl@informatik.uni-erlangen.de> - * John Skodon <skodonj@webquill.com> + * #define INTERMEDIATE_VALUE_KAT to generate the Intermediate Value Known Answer Test. */ #ifndef __RIJNDAEL_API_FST_H @@ -44,17 +14,18 @@ #include <crypto/rijndael/rijndael-alg-fst.h> -/* Generic Defines */ +/* Defines: + Add any additional defines you need +*/ + #define DIR_ENCRYPT 0 /* Are we encrpyting? */ #define DIR_DECRYPT 1 /* Are we decrpyting? */ #define MODE_ECB 1 /* Are we ciphering in ECB mode? */ #define MODE_CBC 2 /* Are we ciphering in CBC mode? */ #define MODE_CFB1 3 /* Are we ciphering in 1-bit CFB mode? */ -#define TRUE 1 -#define FALSE 0 #define BITSPERBLOCK 128 /* Default number of bits in a cipher block */ -/* Error Codes */ +/* Error Codes - CHANGE POSSIBLE: inclusion of additional error codes */ #define BAD_KEY_DIR -1 /* Key direction is invalid, e.g., unknown value */ #define BAD_KEY_MAT -2 /* Key material not of correct length */ #define BAD_KEY_INSTANCE -3 /* Key passed is not valid */ @@ -65,42 +36,67 @@ #define BAD_DATA -8 /* Data contents are invalid, e.g., invalid padding */ #define BAD_OTHER -9 /* Unknown error */ -/* Algorithm-specific Defines */ -#define RIJNDAEL_MAX_KEY_SIZE 64 /* # of ASCII char's needed to represent a key */ -#define RIJNDAEL_MAX_IV_SIZE 16 /* # bytes needed to represent an IV */ +/* CHANGE POSSIBLE: inclusion of algorithm specific defines */ +#define MAX_KEY_SIZE 64 /* # of ASCII char's needed to represent a key */ +#define MAX_IV_SIZE 16 /* # bytes needed to represent an IV */ -/* Typedefs */ +/* Typedefs: -typedef unsigned char BYTE; + Typedef'ed data storage elements. Add any algorithm specific +parameters at the bottom of the structs as appropriate. +*/ /* The structure for key information */ typedef struct { - BYTE direction; /* Key used for encrypting or decrypting? */ + u_int8_t direction; /* Key used for encrypting or decrypting? */ int keyLen; /* Length of the key */ - char keyMaterial[RIJNDAEL_MAX_KEY_SIZE+1]; /* Raw key data in ASCII, e.g., user input or KAT values */ - int Nr; /* key-length-dependent number of rounds */ - u_int32_t rk[4*(RIJNDAEL_MAXNR + 1)]; /* key schedule */ - u_int32_t ek[4*(RIJNDAEL_MAXNR + 1)]; /* CFB1 key schedule (encryption only) */ + char keyMaterial[MAX_KEY_SIZE+1]; /* Raw key data in ASCII, e.g., user input or KAT values */ + /* The following parameters are algorithm dependent, replace or add as necessary */ + int ROUNDS; /* key-length-dependent number of rounds */ + int blockLen; /* block length */ + union { + u_int8_t xkS8[RIJNDAEL_MAXROUNDS+1][4][4]; /* key schedule */ + u_int32_t xkS32[RIJNDAEL_MAXROUNDS+1][4]; /* key schedule */ + } xKeySched; +#define keySched xKeySched.xkS8 } keyInstance; /* The structure for cipher information */ typedef struct { /* changed order of the components */ - BYTE mode; /* MODE_ECB, MODE_CBC, or MODE_CFB1 */ - BYTE IV[RIJNDAEL_MAX_IV_SIZE]; /* A possible Initialization Vector for ciphering */ + u_int8_t mode; /* MODE_ECB, MODE_CBC, or MODE_CFB1 */ + u_int8_t IV[MAX_IV_SIZE]; /* A possible Initialization Vector for ciphering */ + /* Add any algorithm specific parameters needed here */ + int blockLen; /* Sample: Handles non-128 bit block sizes (if available) */ } cipherInstance; /* Function prototypes */ +/* CHANGED: nothing + TODO: implement the following extensions to setup 192-bit and 256-bit block lengths: + makeKeyEx(): parameter blockLen added + -- this parameter is absolutely necessary if you want to + setup the round keys in a variable block length setting + cipherInitEx(): parameter blockLen added (for obvious reasons) + */ + +int rijndael_makeKey(keyInstance *key, u_int8_t direction, int keyLen, char *keyMaterial); -int rijndael_makeKey(keyInstance *, BYTE, int, char *); +int rijndael_cipherInit(cipherInstance *cipher, u_int8_t mode, char *IV); -int rijndael_cipherInit(cipherInstance *, BYTE, char *); +int rijndael_blockEncrypt(cipherInstance *cipher, keyInstance *key, + u_int8_t *input, int inputLen, u_int8_t *outBuffer); -int rijndael_blockEncrypt(cipherInstance *, keyInstance *, BYTE *, int, BYTE *); +int rijndael_padEncrypt(cipherInstance *cipher, keyInstance *key, + u_int8_t *input, int inputOctets, u_int8_t *outBuffer); -int rijndael_padEncrypt(cipherInstance *, keyInstance *, BYTE *, int, BYTE *); +int rijndael_blockDecrypt(cipherInstance *cipher, keyInstance *key, + u_int8_t *input, int inputLen, u_int8_t *outBuffer); -int rijndael_blockDecrypt(cipherInstance *, keyInstance *, BYTE *, int, BYTE *); +int rijndael_padDecrypt(cipherInstance *cipher, keyInstance *key, + u_int8_t *input, int inputOctets, u_int8_t *outBuffer); -int rijndael_padDecrypt(cipherInstance *, keyInstance *, BYTE *, int, BYTE *); +#ifdef INTERMEDIATE_VALUE_KAT +int rijndael_cipherUpdateRounds(cipherInstance *cipher, keyInstance *key, + u_int8_t *input, int inputLen, u_int8_t *outBuffer, int Rounds); +#endif /* INTERMEDIATE_VALUE_KAT */ -#endif /* __RIJNDAEL_API_FST_H */ +#endif /* __RIJNDAEL_API_FST_H */ |
