1 /* 2 * Copyright 2019-2024 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 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 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 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