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 GCM mode */ 11 12 #include "cipher_aria_gcm.h" 13 #include "prov/implementations.h" 14 #include "prov/providercommon.h" 15 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 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; 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