xref: /freebsd/crypto/openssl/crypto/aes/aes_local.h (revision f25b8c9fb4f58cf61adb47d7570abe7caa6d385d)
1 /*
2  * Copyright 2002-2021 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #ifndef OSSL_CRYPTO_AES_LOCAL_H
11 #define OSSL_CRYPTO_AES_LOCAL_H
12 
13 #include <openssl/e_os2.h>
14 #include <stdio.h>
15 #include <stdlib.h>
16 #include <string.h>
17 
18 #if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64))
19 #define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
20 #define GETU32(p) SWAP(*((u32 *)(p)))
21 #define PUTU32(ct, st)               \
22     {                                \
23         *((u32 *)(ct)) = SWAP((st)); \
24     }
25 #else
26 #define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ ((u32)(pt)[3]))
27 #define PUTU32(ct, st)              \
28     {                               \
29         (ct)[0] = (u8)((st) >> 24); \
30         (ct)[1] = (u8)((st) >> 16); \
31         (ct)[2] = (u8)((st) >> 8);  \
32         (ct)[3] = (u8)(st);         \
33     }
34 #endif
35 
36 typedef uint64_t u64;
37 #ifdef AES_LONG
38 typedef unsigned long u32;
39 #else
40 typedef unsigned int u32;
41 #endif
42 typedef unsigned short u16;
43 typedef unsigned char u8;
44 
45 #define MAXKC (256 / 32)
46 #define MAXKB (256 / 8)
47 #define MAXNR 14
48 
49 /* This controls loop-unrolling in aes_core.c */
50 #undef FULL_UNROLL
51 
52 #endif /* !OSSL_CRYPTO_AES_LOCAL_H */
53