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
20static 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
45IMPLEMENT_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)                                     \
56static const PROV_CIPHER_HW camellia_##mode = {                                \
57    cipher_hw_camellia_initkey,                                                \
58    ossl_cipher_hw_generic_##mode,                                             \
59    cipher_hw_camellia_copyctx                                                 \
60};                                                                             \
61PROV_CIPHER_HW_declare(mode)                                                   \
62const 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
68PROV_CIPHER_HW_camellia_mode(cbc)
69PROV_CIPHER_HW_camellia_mode(ecb)
70PROV_CIPHER_HW_camellia_mode(ofb128)
71PROV_CIPHER_HW_camellia_mode(cfb128)
72PROV_CIPHER_HW_camellia_mode(cfb1)
73PROV_CIPHER_HW_camellia_mode(cfb8)
74PROV_CIPHER_HW_camellia_mode(ctr)
75