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// Copyright 2020 Google LLC
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "dice/dice.h"
#ifdef __cplusplus
extern "C" {
// This is a DiceOps implementation which uses mbedtls for crypto and
// certificate generation. These functions are documented as part of the DiceOps
// struct in dice.h. The algorithms used are SHA512, HKDF-SHA512, and
// deterministic ECDSA-P256-SHA512.
DiceResult DiceMbedtlsHashOp(const DiceOps* ops, const uint8_t* input,
size_t input_size, uint8_t output[DICE_HASH_SIZE]);
DiceResult DiceMbedtlsKdfOp(const DiceOps* ops, size_t length,
const uint8_t* ikm, size_t ikm_size,
const uint8_t* salt, size_t salt_size,
const uint8_t* info, size_t info_size,
uint8_t* output);
DiceResult DiceMbedtlsGenerateCertificateOp(
const DiceOps* ops,
const uint8_t subject_private_key_seed[DICE_PRIVATE_KEY_SEED_SIZE],
const uint8_t authority_private_key_seed[DICE_PRIVATE_KEY_SEED_SIZE],
const DiceInputValues* input_values, size_t certificate_buffer_size,
uint8_t* certificate, size_t* certificate_actual_size);
#ifdef __cplusplus
} // extern "C"