1 /*
2  * Copyright 2001-2021 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 /*
11  * Camellia low level APIs are deprecated for public use, but still ok for
12  * internal use.
13  */
14 #include "internal/deprecated.h"
15 
16 #include <openssl/camellia.h>
17 #include <openssl/proverr.h>
18 #include "cipher_camellia.h"
19 
cipher_hw_camellia_initkey(PROV_CIPHER_CTX * dat,const unsigned char * key,size_t keylen)20 static int cipher_hw_camellia_initkey(PROV_CIPHER_CTX *dat,
21                                       const unsigned char *key, size_t keylen)
22 {
23     int ret, mode = dat->mode;
24     PROV_CAMELLIA_CTX *adat = (PROV_CAMELLIA_CTX *)dat;
25     CAMELLIA_KEY *ks = &adat->ks.ks;
26 
27     dat->ks = ks;
28     ret = Camellia_set_key(key, keylen * 8, ks);
29     if (ret < 0) {
30         ERR_raise(ERR_LIB_PROV, PROV_R_KEY_SETUP_FAILED);
31         return 0;
32     }
33     if (dat->enc || (mode != EVP_CIPH_ECB_MODE && mode != EVP_CIPH_CBC_MODE)) {
34         dat->block = (block128_f) Camellia_encrypt;
35         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
36             (cbc128_f) Camellia_cbc_encrypt : NULL;
37     } else {
38         dat->block = (block128_f) Camellia_decrypt;
39         dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
40             (cbc128_f) Camellia_cbc_encrypt : NULL;
41     }
42     return 1;
43 }
44 
45 IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_camellia_copyctx, PROV_CAMELLIA_CTX)
46 
47 # if defined(SPARC_CMLL_CAPABLE)
48 #  include "cipher_camellia_hw_t4.inc"
49 # else
50 /* The generic case */
51 #  define PROV_CIPHER_HW_declare(mode)
52 #  define PROV_CIPHER_HW_select(mode)
53 # endif /* SPARC_CMLL_CAPABLE */
54 
55 #define PROV_CIPHER_HW_camellia_mode(mode)                                     \
56 static const PROV_CIPHER_HW camellia_##mode = {                                \
57     cipher_hw_camellia_initkey,                                                \
58     ossl_cipher_hw_generic_##mode,                                             \
59     cipher_hw_camellia_copyctx                                                 \
60 };                                                                             \
61 PROV_CIPHER_HW_declare(mode)                                                   \
62 const PROV_CIPHER_HW *ossl_prov_cipher_hw_camellia_##mode(size_t keybits)      \
63 {                                                                              \
64     PROV_CIPHER_HW_select(mode)                                                \
65     return &camellia_##mode;                                                   \
66 }
67 
68 PROV_CIPHER_HW_camellia_mode(cbc)
69 PROV_CIPHER_HW_camellia_mode(ecb)
70 PROV_CIPHER_HW_camellia_mode(ofb128)
71 PROV_CIPHER_HW_camellia_mode(cfb128)
72 PROV_CIPHER_HW_camellia_mode(cfb1)
73 PROV_CIPHER_HW_camellia_mode(cfb8)
74 PROV_CIPHER_HW_camellia_mode(ctr)
75