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/*
*
* Copyright (C) 2017 GlobalLogic
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
#ifndef MBEDTLS_PROXY_H_
#define MBEDTLS_PROXY_H_
#include <tee_internal_api.h>
#include <tee_internal_api_extensions.h>
#include <utee_defines.h>
#include "ta_ca_defs.h"
#include "generator.h"
#define CMD_ASN1_DECODE 0
#define CMD_ASN1_ENCODE_PUBKEY 1
#define CMD_EC_SIGN_ENCODE 2
#define CMD_EC_SIGN_DECODE 3
#define CMD_ASN1_GEN_ROOT_RSA_CERT 4
#define CMD_ASN1_GEN_ROOT_EC_CERT 5
#define CMD_ASN1_GEN_ATT_RSA_CERT 6
#define CMD_ASN1_GEN_ATT_EC_CERT 7
#define CMD_ASN1_GEN_ATT_EXTENSION 8
keymaster_error_t mbedTLS_decode_pkcs8(keymaster_blob_t key_data,
TEE_Attribute **attrs,
uint32_t *attrs_count,
const keymaster_algorithm_t algorithm,
uint32_t *key_size,
uint64_t *rsa_public_exponent);
keymaster_error_t mbedTLS_encode_key(keymaster_blob_t *export_data,
const uint32_t type,
const TEE_ObjectHandle *obj_h);
/*
* Here, we generate an X509 v3 cert using SHA-256 for the message digest.
* The validity of the cert will be 2 years from the current time.
* Since the TEE only provides relative time, we need to get the absolute time
* from the REE (number of seconds since epoch) in order to calculate the
* proper date string to provide to the MBEDTLS x509 APIs. This isn't fully
* secure, but this function is only used for development and testing.
* Platforms should define CFG_ATTESTATION_PROVISIONING and invoke the
* KM_SET_ATTESTATION_KEY and KM_APPEND_ATTESTATION_CERT_CHAIN commands to
* send a verified cert (chain) to secure persistent storage during
* provisioning!
*/
TEE_Result mbedTLS_gen_root_cert_rsa(TEE_ObjectHandle root_rsa_key,
keymaster_blob_t *root_cert);
TEE_Result mbedTLS_gen_root_cert_ecc(TEE_ObjectHandle ecc_root_key,
keymaster_blob_t *ecc_root_cert);
TEE_Result mbedTLS_gen_attest_key_cert(TEE_ObjectHandle root_key,
TEE_ObjectHandle attest_key,
keymaster_algorithm_t alg,
unsigned int key_usage,
keymaster_cert_chain_t *cert_chain,
keymaster_blob_t *attest_ext);
keymaster_error_t mbedTLS_encode_ec_sign(uint8_t *out, uint32_t *out_l);
keymaster_error_t mbedTLS_decode_ec_sign(keymaster_blob_t *sig,
uint32_t key_size);
TEE_Result TA_gen_attest_cert(TEE_ObjectHandle attestedKey,
keymaster_key_param_set_t *attest_params,
keymaster_key_characteristics_t *key_chr,
uint8_t verified_boot,
bool includeUniqueID,
keymaster_algorithm_t alg,
keymaster_cert_chain_t *cert_chain);
#endif /* MBEDTLS_PROXY_H_ */
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