cipher_aria_gcm.c 1.4 KB

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  1. /*
  2. * Copyright 2019-2021 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. /* Dispatch functions for ARIA GCM mode */
  10. #include "cipher_aria_gcm.h"
  11. #include "prov/implementations.h"
  12. #include "prov/providercommon.h"
  13. #define ARIA_GCM_IV_MIN_SIZE (32 / 8) /* size in bytes */
  14. static void *aria_gcm_newctx(void *provctx, size_t keybits)
  15. {
  16. PROV_ARIA_GCM_CTX *ctx;
  17. if (!ossl_prov_is_running())
  18. return NULL;
  19. ctx = OPENSSL_zalloc(sizeof(*ctx));
  20. if (ctx != NULL)
  21. ossl_gcm_initctx(provctx, &ctx->base, keybits,
  22. ossl_prov_aria_hw_gcm(keybits), ARIA_GCM_IV_MIN_SIZE);
  23. return ctx;
  24. }
  25. static OSSL_FUNC_cipher_freectx_fn aria_gcm_freectx;
  26. static void aria_gcm_freectx(void *vctx)
  27. {
  28. PROV_ARIA_GCM_CTX *ctx = (PROV_ARIA_GCM_CTX *)vctx;
  29. OPENSSL_clear_free(ctx, sizeof(*ctx));
  30. }
  31. /* ossl_aria128gcm_functions */
  32. IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 128, 8, 96);
  33. /* ossl_aria192gcm_functions */
  34. IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 192, 8, 96);
  35. /* ossl_aria256gcm_functions */
  36. IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 256, 8, 96);