providers/implementations/ciphers/cipher_aria_gcm.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 GCM mode */
  11
  12 #include "cipher_aria_gcm.h"
  13 #include "internal/provider_algs.h"
  14
  15 static void *aria_gcm_newctx(void *provctx, size_t keybits)
  16 {
  17     PROV_ARIA_GCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
  18
  19     if (ctx != NULL)
  20         gcm_initctx(provctx, &ctx->base, keybits, PROV_ARIA_HW_gcm(keybits), 4);
  21     return ctx;
  22 }
  23
  24 static OSSL_OP_cipher_freectx_fn aria_gcm_freectx;
  25 static void aria_gcm_freectx(void *vctx)
  26 {
  27     PROV_ARIA_GCM_CTX *ctx = (PROV_ARIA_GCM_CTX *)vctx;
  28
  29     OPENSSL_clear_free(ctx,  sizeof(*ctx));
  30 }
  31
  32 /* aria128gcm_functions */
  33 IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 128, 8, 96);
  34 /* aria192gcm_functions */
  35 IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 192, 8, 96);
  36 /* aria256gcm_functions */
  37 IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 256, 8, 96);
  38