79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* Copyright 2018 The Chromium OS Authors. All rights reserved.
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
/* Provides the minimal declarations needed by pinweaver to build on
|
|
* CHIP_HOST. While it might be preferable to simply use the original dcrypto.h,
|
|
* That would require incorporating additional headers / dependencies such as
|
|
* cryptoc.
|
|
*/
|
|
|
|
#ifndef __CROS_EC_DCRYPTO_HOST_H
|
|
#define __CROS_EC_DCRYPTO_HOST_H
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
/* Allow tests to return a faked result for the purpose of testing. If
|
|
* this is not set, a combination of cryptoc and openssl are used for the
|
|
* dcrypto implementation.
|
|
*/
|
|
#ifndef CONFIG_DCRYPTO_MOCK
|
|
|
|
/* If not using the mock struct definitions, use the ones from Cr50. */
|
|
#include "chip/g/dcrypto/dcrypto.h"
|
|
|
|
#else /* defined(CONFIG_DCRYPTO_MOCK) */
|
|
|
|
#include <sha256.h>
|
|
|
|
#define HASH_CTX sha256_ctx
|
|
|
|
/* Used as a replacement for declarations in cryptoc that are used by Cr50, but
|
|
* add unnecessary complexity to the test code.
|
|
*/
|
|
struct dcrypto_mock_ctx_t {
|
|
struct HASH_CTX hash;
|
|
};
|
|
#define LITE_HMAC_CTX struct dcrypto_mock_ctx_t
|
|
#define LITE_SHA256_CTX struct HASH_CTX
|
|
|
|
void HASH_update(struct HASH_CTX *ctx, const void *data, size_t len);
|
|
uint8_t *HASH_final(struct HASH_CTX *ctx);
|
|
|
|
#define AES256_BLOCK_CIPHER_KEY_SIZE 32
|
|
#define SHA256_DIGEST_SIZE 32
|
|
|
|
enum dcrypto_appid {
|
|
RESERVED = 0,
|
|
NVMEM = 1,
|
|
U2F_ATTEST = 2,
|
|
U2F_ORIGIN = 3,
|
|
U2F_WRAP = 4,
|
|
PERSO_AUTH = 5,
|
|
PINWEAVER = 6,
|
|
/* This enum value should not exceed 7. */
|
|
};
|
|
|
|
void DCRYPTO_SHA256_init(LITE_SHA256_CTX *ctx, uint32_t sw_required);
|
|
|
|
void DCRYPTO_HMAC_SHA256_init(LITE_HMAC_CTX *ctx, const void *key,
|
|
unsigned int len);
|
|
const uint8_t *DCRYPTO_HMAC_final(LITE_HMAC_CTX *ctx);
|
|
|
|
int DCRYPTO_aes_ctr(uint8_t *out, const uint8_t *key, uint32_t key_bits,
|
|
const uint8_t *iv, const uint8_t *in, size_t in_len);
|
|
|
|
struct APPKEY_CTX {};
|
|
|
|
int DCRYPTO_appkey_init(enum dcrypto_appid appid, struct APPKEY_CTX *ctx);
|
|
|
|
void DCRYPTO_appkey_finish(struct APPKEY_CTX *ctx);
|
|
|
|
int DCRYPTO_appkey_derive(enum dcrypto_appid appid, const uint32_t input[8],
|
|
uint32_t output[8]);
|
|
|
|
#endif /* CONFIG_DCRYPTO_MOCK */
|
|
|
|
#endif /* __CROS_EC_HOST_DCRYPTO_H */
|