xref: /freebsd/sys/crypto/openssl/ossl_ppc.h (revision db33c6f3ae9d1231087710068ee4ea5398aacca7)
1 /*
2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (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_PPC__
11 #define __OSSL_PPC__
12 
13 #include <crypto/openssl/ossl.h>
14 #include <crypto/openssl/ossl_cipher.h>
15 
16 extern unsigned int OPENSSL_ppccap_P;
17 
18 /*
19  * Flags' usage can appear ambiguous, because they are set rather
20  * to reflect OpenSSL performance preferences than actual processor
21  * capabilities.
22  */
23 # define PPC_FPU64       (1<<0)
24 # define PPC_ALTIVEC     (1<<1)
25 # define PPC_CRYPTO207   (1<<2)
26 # define PPC_FPU         (1<<3)
27 # define PPC_MADD300     (1<<4)
28 # define PPC_MFTB        (1<<5)
29 # define PPC_MFSPR268    (1<<6)
30 
31 /* aesp8-ppc.S */
32 ossl_cipher_encrypt_t aes_p8_cbc_encrypt;
33 /* vpaes-ppc.S */
34 ossl_cipher_encrypt_t vpaes_cbc_encrypt;
35 
36 static void
37 AES_CBC_ENCRYPT(const unsigned char *in, unsigned char *out,
38     size_t length, const void *key, unsigned char *iv, int encrypt)
39 {
40 	if (OPENSSL_ppccap_P & PPC_CRYPTO207)
41 		aes_p8_cbc_encrypt(in, out, length, key, iv, encrypt);
42 	else
43 		vpaes_cbc_encrypt(in, out, length, key, iv, encrypt);
44 }
45 #endif
46