C++ (Cpp) qat_alg_aead_init_enc_session Examples

Example #1

File: qat_algs.c Project: AlexShiLucky/linux

static int qat_alg_aead_init_sessions(struct crypto_aead *tfm, const u8 *key,
				      unsigned int keylen,  int mode)
{
	struct crypto_authenc_keys keys;
	int alg;

	if (crypto_authenc_extractkeys(&keys, key, keylen))
		goto bad_key;

	if (qat_alg_validate_key(keys.enckeylen, &alg, mode))
		goto bad_key;

	if (qat_alg_aead_init_enc_session(tfm, alg, &keys, mode))
		goto error;

	if (qat_alg_aead_init_dec_session(tfm, alg, &keys, mode))
		goto error;

	memzero_explicit(&keys, sizeof(keys));
	return 0;
bad_key:
	crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
	memzero_explicit(&keys, sizeof(keys));
	return -EINVAL;
error:
	memzero_explicit(&keys, sizeof(keys));
	return -EFAULT;
}

Example #2

File: qat_algs.c Project: 0x000000FF/edison-linux

static int qat_alg_aead_init_sessions(struct qat_alg_aead_ctx *ctx,
				      const uint8_t *key, unsigned int keylen)
{
	struct crypto_authenc_keys keys;
	int alg;

	if (crypto_rng_get_bytes(crypto_default_rng, ctx->salt, AES_BLOCK_SIZE))
		return -EFAULT;

	if (crypto_authenc_extractkeys(&keys, key, keylen))
		goto bad_key;

	if (qat_alg_validate_key(keys.enckeylen, &alg))
		goto bad_key;

	if (qat_alg_aead_init_enc_session(ctx, alg, &keys))
		goto error;

	if (qat_alg_aead_init_dec_session(ctx, alg, &keys))
		goto error;

	return 0;
bad_key:
	crypto_tfm_set_flags(ctx->tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
	return -EINVAL;
error:
	return -EFAULT;
}