1 /*
2 * Copyright 2019-2023 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 /* Dispatch functions for ARIA CCM mode */
11
12 #include "cipher_aria_ccm.h"
13 #include "prov/implementations.h"
14 #include "prov/providercommon.h"
15
16 static OSSL_FUNC_cipher_freectx_fn aria_ccm_freectx;
17
aria_ccm_newctx(void * provctx,size_t keybits)18 static void *aria_ccm_newctx(void *provctx, size_t keybits)
19 {
20 PROV_ARIA_CCM_CTX *ctx;
21
22 if (!ossl_prov_is_running())
23 return NULL;
24
25 ctx = OPENSSL_zalloc(sizeof(*ctx));
26 if (ctx != NULL)
27 ossl_ccm_initctx(&ctx->base, keybits, ossl_prov_aria_hw_ccm(keybits));
28 return ctx;
29 }
30
aria_ccm_dupctx(void * provctx)31 static void *aria_ccm_dupctx(void *provctx)
32 {
33 PROV_ARIA_CCM_CTX *ctx = provctx;
34 PROV_ARIA_CCM_CTX *dctx = NULL;
35
36 if (ctx == NULL)
37 return NULL;
38
39 dctx = OPENSSL_memdup(ctx, sizeof(*ctx));
40 if (dctx != NULL && dctx->base.ccm_ctx.key != NULL)
41 dctx->base.ccm_ctx.key = &dctx->ks.ks;
42
43 return dctx;
44 }
45
aria_ccm_freectx(void * vctx)46 static void aria_ccm_freectx(void *vctx)
47 {
48 PROV_ARIA_CCM_CTX *ctx = (PROV_ARIA_CCM_CTX *)vctx;
49
50 OPENSSL_clear_free(ctx, sizeof(*ctx));
51 }
52
53 /* aria128ccm functions */
54 IMPLEMENT_aead_cipher(aria, ccm, CCM, AEAD_FLAGS, 128, 8, 96);
55 /* aria192ccm functions */
56 IMPLEMENT_aead_cipher(aria, ccm, CCM, AEAD_FLAGS, 192, 8, 96);
57 /* aria256ccm functions */
58 IMPLEMENT_aead_cipher(aria, ccm, CCM, AEAD_FLAGS, 256, 8, 96);
59
60
