diff options
Diffstat (limited to 'sys/crypto')
| -rw-r--r-- | sys/crypto/rijndael/rijndael.c | 57 | ||||
| -rw-r--r-- | sys/crypto/rijndael/rijndael.h | 51 |
2 files changed, 107 insertions, 1 deletions
diff --git a/sys/crypto/rijndael/rijndael.c b/sys/crypto/rijndael/rijndael.c new file mode 100644 index 0000000..9a7fda3 --- /dev/null +++ b/sys/crypto/rijndael/rijndael.c @@ -0,0 +1,57 @@ +/* $KAME: rijndael.c,v 1.3 2003/08/28 14:20:22 itojun Exp $ */ + +/* + * rijndael-alg-fst.c + * + * @version 3.0 (December 2000) + * + * 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/systm.h> + +#include <crypto/rijndael/rijndael.h> + +void +rijndael_set_key(rijndael_ctx *ctx, const u_char *key, int bits) +{ + + ctx->Nr = rijndaelKeySetupEnc(ctx->ek, key, bits); + rijndaelKeySetupDec(ctx->dk, key, bits); +} + +void +rijndael_decrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst) +{ + + rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst); +} + +void +rijndael_encrypt(const rijndael_ctx *ctx, const u_char *src, u_char *dst) +{ + + rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst); +} diff --git a/sys/crypto/rijndael/rijndael.h b/sys/crypto/rijndael/rijndael.h index 8f2cc89..41ecf48 100644 --- a/sys/crypto/rijndael/rijndael.h +++ b/sys/crypto/rijndael/rijndael.h @@ -1,3 +1,52 @@ -/* $KAME: rijndael.h,v 1.2 2000/10/02 17:14:27 itojun Exp $ */ +/* $KAME: rijndael.h,v 1.6 2003/08/28 08:36:32 itojun Exp $ */ +/* $FreeBSD$ */ +/** + * rijndael-alg-fst.h + * + * @version 3.0 (December 2000) + * + * 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. + */ + +#ifndef __RIJNDAEL_H +#define __RIJNDAEL_H + +#include <crypto/rijndael/rijndael-alg-fst.h> #include <crypto/rijndael/rijndael-api-fst.h> + +/* XXX: avoid conflicts with opencrypto */ +#define rijndael_set_key _rijndael_set_key +#define rijndael_decrypt _rijndael_decrypt +#define rijndael_encrypt _rijndael_encrypt + +typedef struct { + int decrypt; + int Nr; /* key-length-dependent number of rounds */ + uint32_t ek[4 * (RIJNDAEL_MAXNR + 1)]; /* encrypt key schedule */ + uint32_t dk[4 * (RIJNDAEL_MAXNR + 1)]; /* decrypt key schedule */ +} rijndael_ctx; + +void rijndael_set_key(rijndael_ctx *, const u_char *, int); +void rijndael_decrypt(const rijndael_ctx *, const u_char *, u_char *); +void rijndael_encrypt(const rijndael_ctx *, const u_char *, u_char *); + +#endif /* __RIJNDAEL_H */ |
