aes_impl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _AES_IMPL_H
#define _AES_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Common definitions used by AES.
*/
#ifdef __cplusplus
extern "C" {
#endif
#define AES_BLOCK_LEN 16
#define AES_COPY_BLOCK(src, dst) \
(dst)[0] = (src)[0]; \
(dst)[1] = (src)[1]; \
(dst)[2] = (src)[2]; \
(dst)[3] = (src)[3]; \
(dst)[4] = (src)[4]; \
(dst)[5] = (src)[5]; \
(dst)[6] = (src)[6]; \
(dst)[7] = (src)[7]; \
(dst)[8] = (src)[8]; \
(dst)[9] = (src)[9]; \
(dst)[10] = (src)[10]; \
(dst)[11] = (src)[11]; \
(dst)[12] = (src)[12]; \
(dst)[13] = (src)[13]; \
(dst)[14] = (src)[14]; \
(dst)[15] = (src)[15]
#define AES_XOR_BLOCK(src, dst) \
(dst)[0] ^= (src)[0]; \
(dst)[1] ^= (src)[1]; \
(dst)[2] ^= (src)[2]; \
(dst)[3] ^= (src)[3]; \
(dst)[4] ^= (src)[4]; \
(dst)[5] ^= (src)[5]; \
(dst)[6] ^= (src)[6]; \
(dst)[7] ^= (src)[7]; \
(dst)[8] ^= (src)[8]; \
(dst)[9] ^= (src)[9]; \
(dst)[10] ^= (src)[10]; \
(dst)[11] ^= (src)[11]; \
(dst)[12] ^= (src)[12]; \
(dst)[13] ^= (src)[13]; \
(dst)[14] ^= (src)[14]; \
(dst)[15] ^= (src)[15]
#define AES_MINBITS 128
#define AES_MINBYTES (AES_MINBITS >> 3)
#ifdef CRYPTO_UNLIMITED
#define AES_MAXBITS 256
#else
#define AES_MAXBITS 128
#endif /* CRYPTO_UNLIMITED */
#define AES_MAXBYTES (AES_MAXBITS >> 3)
#define AES_MIN_KEY_BYTES (AES_MINBITS >> 3)
#define AES_MAX_KEY_BYTES (AES_MAXBITS >> 3)
#define AES_192_KEY_BYTES 24
#define AES_IV_LEN 16
#define AES_32BIT_KS 32
#define AES_64BIT_KS 64
#define MAX_AES_NR 14
typedef union {
uint64_t ks64[(MAX_AES_NR + 1) * 4];
uint32_t ks32[(MAX_AES_NR + 1) * 4];
} aes_ks_t;
typedef struct aes_key aes_key_t;
struct aes_key {
int nr;
int type;
aes_ks_t encr_ks;
aes_ks_t decr_ks;
};
extern void aes_encrypt_block(void *, uint8_t *, uint8_t *);
extern void aes_decrypt_block(void *, uint8_t *, uint8_t *);
extern void aes_init_keysched(uint8_t *, uint_t, void *);
extern void *aes_alloc_keysched(size_t *, int);
extern void aes_encrypt_impl(const aes_ks_t *ks, int Nr, const uint32_t pt[4],
uint32_t ct[4]);
extern void aes_decrypt_impl(const aes_ks_t *ks, int Nr, const uint32_t ct[4],
uint32_t pt[4]);
#ifdef __cplusplus
}
#endif
#endif /* _AES_IMPL_H */