providers/implementations/ciphers/cipher_aria_ccm.c

   1 /*
   2  * Copyright 2019 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
  15 static OSSL_OP_cipher_freectx_fn aria_ccm_freectx;
  16
  17 static void *aria_ccm_newctx(void *provctx, size_t keybits)
  18 {
  19     PROV_ARIA_CCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
  20
  21     if (ctx != NULL)
  22         ccm_initctx(&ctx->base, keybits, PROV_ARIA_HW_ccm(keybits));
  23     return ctx;
  24 }
  25
  26 static void aria_ccm_freectx(void *vctx)
  27 {
  28     PROV_ARIA_CCM_CTX *ctx = (PROV_ARIA_CCM_CTX *)vctx;
  29
  30     OPENSSL_clear_free(ctx,  sizeof(*ctx));
  31 }
  32
  33 /* aria128ccm functions */
  34 IMPLEMENT_aead_cipher(aria, ccm, CCM, AEAD_FLAGS, 128, 8, 96);
  35 /* aria192ccm functions */
  36 IMPLEMENT_aead_cipher(aria, ccm, CCM, AEAD_FLAGS, 192, 8, 96);
  37 /* aria256ccm functions */
  38 IMPLEMENT_aead_cipher(aria, ccm, CCM, AEAD_FLAGS, 256, 8, 96);
  39