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 GCM mode */
11
12 #include "cipher_aria_gcm.h"
13 #include "prov/implementations.h"
14 #include "prov/providercommon.h"
15
aria_gcm_newctx(void * provctx,size_t keybits)16 static void *aria_gcm_newctx(void *provctx, size_t keybits)
17 {
18 PROV_ARIA_GCM_CTX *ctx;
19
20 if (!ossl_prov_is_running())
21 return NULL;
22
23 ctx = OPENSSL_zalloc(sizeof(*ctx));
24 if (ctx != NULL)
25 ossl_gcm_initctx(provctx, &ctx->base, keybits,
26 ossl_prov_aria_hw_gcm(keybits));
27 return ctx;
28 }
29
aria_gcm_dupctx(void * provctx)30 static void *aria_gcm_dupctx(void *provctx)
31 {
32 PROV_ARIA_GCM_CTX *ctx = provctx;
33 PROV_ARIA_GCM_CTX *dctx = NULL;
34
35 if (ctx == NULL)
36 return NULL;
37
38 dctx = OPENSSL_memdup(ctx, sizeof(*ctx));
39 if (dctx != NULL && dctx->base.gcm.key != NULL)
40 dctx->base.gcm.key = &dctx->ks.ks;
41
42 return dctx;
43 }
44
45 static OSSL_FUNC_cipher_freectx_fn aria_gcm_freectx;
aria_gcm_freectx(void * vctx)46 static void aria_gcm_freectx(void *vctx)
47 {
48 PROV_ARIA_GCM_CTX *ctx = (PROV_ARIA_GCM_CTX *)vctx;
49
50 OPENSSL_clear_free(ctx, sizeof(*ctx));
51 }
52
53 /* ossl_aria128gcm_functions */
54 IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 128, 8, 96);
55 /* ossl_aria192gcm_functions */
56 IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 192, 8, 96);
57 /* ossl_aria256gcm_functions */
58 IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 256, 8, 96);
59
60
