usr/src/common/crypto/blowfish/blowfish_impl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _BLOWFISH_IMPL_H
  27 #define _BLOWFISH_IMPL_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 /*
  32  * Common definitions used by Blowfish.
  33  */
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 #define BLOWFISH_COPY_BLOCK(src, dst) \
  40         (dst)[0] = (src)[0]; \
  41         (dst)[1] = (src)[1]; \
  42         (dst)[2] = (src)[2]; \
  43         (dst)[3] = (src)[3]; \
  44         (dst)[4] = (src)[4]; \
  45         (dst)[5] = (src)[5]; \
  46         (dst)[6] = (src)[6]; \
  47         (dst)[7] = (src)[7]
  48
  49 #define BLOWFISH_XOR_BLOCK(src, dst) \
  50         (dst)[0] ^= (src)[0]; \
  51         (dst)[1] ^= (src)[1]; \
  52         (dst)[2] ^= (src)[2]; \
  53         (dst)[3] ^= (src)[3]; \
  54         (dst)[4] ^= (src)[4]; \
  55         (dst)[5] ^= (src)[5]; \
  56         (dst)[6] ^= (src)[6]; \
  57         (dst)[7] ^= (src)[7]
  58
  59 #define BLOWFISH_MINBITS        32
  60 #define BLOWFISH_MINBYTES       (BLOWFISH_MINBITS >> 3)
  61 #define BLOWFISH_MAXBITS        448
  62 #define BLOWFISH_MAXBYTES       (BLOWFISH_MAXBITS >> 3)
  63
  64 #define BLOWFISH_IV_LEN         8
  65 #define BLOWFISH_BLOCK_LEN      8
  66 #define BLOWFISH_KEY_INCREMENT  8
  67 #define BLOWFISH_DEFAULT        128
  68
  69 extern int blowfish_encrypt_contiguous_blocks(void *, char *, size_t,
  70     crypto_data_t *);
  71 extern int blowfish_decrypt_contiguous_blocks(void *, char *, size_t,
  72     crypto_data_t *);
  73 extern int blowfish_encrypt_block(const void *, const uint8_t *, uint8_t *);
  74 extern int blowfish_decrypt_block(const void *, const uint8_t *, uint8_t *);
  75 extern void blowfish_init_keysched(uint8_t *, uint_t, void *);
  76 extern void *blowfish_alloc_keysched(size_t *, int);
  77 extern void blowfish_copy_block(uint8_t *, uint8_t *);
  78 extern void blowfish_xor_block(uint8_t *, uint8_t *);
  79 #ifdef  __cplusplus
  80 }
  81 #endif
  82
  83 #endif  /* _BLOWFISH_IMPL_H */