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  * Copyright 2015 by Saso Kiselkov. All rights reserved.
  27  */
  28 
  29 #ifndef _BLOWFISH_IMPL_H
  30 #define _BLOWFISH_IMPL_H
  31 
  32 /*
  33  * Common definitions used by Blowfish.
  34  */
  35 
  36 #ifdef  __cplusplus
  37 extern "C" {
  38 #endif
  39 
  40 #define BLOWFISH_COPY_BLOCK(src, dst) \
  41         (dst)[0] = (src)[0]; \
  42         (dst)[1] = (src)[1]; \
  43         (dst)[2] = (src)[2]; \
  44         (dst)[3] = (src)[3]; \
  45         (dst)[4] = (src)[4]; \
  46         (dst)[5] = (src)[5]; \
  47         (dst)[6] = (src)[6]; \
  48         (dst)[7] = (src)[7]
  49 
  50 #define BLOWFISH_XOR_BLOCK(src, dst) \
  51         (dst)[0] ^= (src)[0]; \
  52         (dst)[1] ^= (src)[1]; \
  53         (dst)[2] ^= (src)[2]; \
  54         (dst)[3] ^= (src)[3]; \
  55         (dst)[4] ^= (src)[4]; \
  56         (dst)[5] ^= (src)[5]; \
  57         (dst)[6] ^= (src)[6]; \
  58         (dst)[7] ^= (src)[7]
  59 
  60 #define BLOWFISH_MINBITS        32
  61 #define BLOWFISH_MINBYTES       (BLOWFISH_MINBITS >> 3)
  62 #define BLOWFISH_MAXBITS        448
  63 #define BLOWFISH_MAXBYTES       (BLOWFISH_MAXBITS >> 3)
  64 
  65 #define BLOWFISH_IV_LEN         8
  66 #define BLOWFISH_BLOCK_LEN      8
  67 #define BLOWFISH_KEY_INCREMENT  8
  68 #define BLOWFISH_DEFAULT        128
  69 
  70 extern int blowfish_encrypt_contiguous_blocks(void *, char *, size_t,
  71     crypto_data_t *);
  72 extern int blowfish_decrypt_contiguous_blocks(void *, char *, size_t,
  73     crypto_data_t *);
  74 extern int blowfish_encrypt_block(const void *, const uint8_t *, uint8_t *);
  75 extern int blowfish_decrypt_block(const void *, const uint8_t *, uint8_t *);
  76 extern void blowfish_init_keysched(uint8_t *, uint_t, void *);
  77 extern void *blowfish_alloc_keysched(size_t *, int);
  78 extern void blowfish_copy_block(const uint8_t *, uint8_t *);
  79 extern void blowfish_xor_block(const uint8_t *, uint8_t *);
  80 #ifdef  __cplusplus
  81 }
  82 #endif
  83 
  84 #endif  /* _BLOWFISH_IMPL_H */