1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*-
* RISC-V 32 ZKND ZKNE support for AES CCM.
* This file is included by cipher_aes_ccm_hw.c
*/
static int ccm_rv32i_zknd_zkne_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
size_t keylen)
{
PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
AES_HW_CCM_SET_KEY_FN(rv32i_zkne_set_encrypt_key, rv32i_zkne_encrypt,
NULL, NULL);
return 1;
}
static int ccm_rv32i_zbkb_zknd_zkne_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
size_t keylen)
{
PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
AES_HW_CCM_SET_KEY_FN(rv32i_zbkb_zkne_set_encrypt_key, rv32i_zkne_encrypt,
NULL, NULL);
return 1;
}
static const PROV_CCM_HW rv32i_zknd_zkne_ccm = {
ccm_rv32i_zknd_zkne_initkey,
ossl_ccm_generic_setiv,
ossl_ccm_generic_setaad,
ossl_ccm_generic_auth_encrypt,
ossl_ccm_generic_auth_decrypt,
ossl_ccm_generic_gettag
};
static const PROV_CCM_HW rv32i_zbkb_zknd_zkne_ccm = {
ccm_rv32i_zbkb_zknd_zkne_initkey,
ossl_ccm_generic_setiv,
ossl_ccm_generic_setaad,
ossl_ccm_generic_auth_encrypt,
ossl_ccm_generic_auth_decrypt,
ossl_ccm_generic_gettag
};
const PROV_CCM_HW *ossl_prov_aes_hw_ccm(size_t keybits)
{
if (RV32I_ZBKB_ZKND_ZKNE_CAPABLE)
return &rv32i_zbkb_zknd_zkne_ccm;
if (RV32I_ZKND_ZKNE_CAPABLE)
return &rv32i_zknd_zkne_ccm;
return &aes_ccm;
}
|
