C++ (Cpp) aes_hw_set_encrypt_key примеры использования

Пример #1

Файл: e_aes.c Проект: MateusDeSousa/FiqueRico

ctr128_f aes_ctr_set_key(AES_KEY *aes_key, GCM128_CONTEXT *gcm_ctx,
                         block128_f *out_block, const uint8_t *key,
                         size_t key_bytes) {
  if (aesni_capable()) {
    aesni_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)aesni_encrypt, 1);
    }
    if (out_block) {
      *out_block = (block128_f) aesni_encrypt;
    }
    return (ctr128_f)aesni_ctr32_encrypt_blocks;
  }

  if (hwaes_capable()) {
    aes_hw_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)aes_hw_encrypt, 0);
    }
    if (out_block) {
      *out_block = (block128_f) aes_hw_encrypt;
    }
    return (ctr128_f)aes_hw_ctr32_encrypt_blocks;
  }

  if (bsaes_capable()) {
    AES_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt, 0);
    }
    if (out_block) {
      *out_block = (block128_f) AES_encrypt;
    }
    return (ctr128_f)bsaes_ctr32_encrypt_blocks;
  }

  if (vpaes_capable()) {
    vpaes_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (out_block) {
      *out_block = (block128_f) vpaes_encrypt;
    }
    if (gcm_ctx != NULL) {
      CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)vpaes_encrypt, 0);
    }
    return NULL;
  }

  AES_set_encrypt_key(key, key_bytes * 8, aes_key);
  if (gcm_ctx != NULL) {
    CRYPTO_gcm128_init(gcm_ctx, aes_key, (block128_f)AES_encrypt, 0);
  }
  if (out_block) {
    *out_block = (block128_f) AES_encrypt;
  }
  return NULL;
}

Пример #2

Файл: e_aes.c Проект: google/boringssl

ctr128_f aes_ctr_set_key(AES_KEY *aes_key, GCM128_KEY *gcm_key,
                         block128_f *out_block, const uint8_t *key,
                         size_t key_bytes) {
  if (hwaes_capable()) {
    aes_hw_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_key != NULL) {
      CRYPTO_gcm128_init_key(gcm_key, aes_key, aes_hw_encrypt, 1);
    }
    if (out_block) {
      *out_block = aes_hw_encrypt;
    }
    return aes_hw_ctr32_encrypt_blocks;
  }

  if (bsaes_capable()) {
    aes_nohw_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (gcm_key != NULL) {
      CRYPTO_gcm128_init_key(gcm_key, aes_key, aes_nohw_encrypt, 0);
    }
    if (out_block) {
      *out_block = aes_nohw_encrypt;
    }
    return bsaes_ctr32_encrypt_blocks;
  }

  if (vpaes_capable()) {
    vpaes_set_encrypt_key(key, key_bytes * 8, aes_key);
    if (out_block) {
      *out_block = vpaes_encrypt;
    }
    if (gcm_key != NULL) {
      CRYPTO_gcm128_init_key(gcm_key, aes_key, vpaes_encrypt, 0);
    }
#if defined(VPAES_CTR32)
    return vpaes_ctr32_encrypt_blocks;
#else
    return NULL;
#endif
  }

  aes_nohw_set_encrypt_key(key, key_bytes * 8, aes_key);
  if (gcm_key != NULL) {
    CRYPTO_gcm128_init_key(gcm_key, aes_key, aes_nohw_encrypt, 0);
  }
  if (out_block) {
    *out_block = aes_nohw_encrypt;
  }
  return NULL;
}