mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-04-29 12:14:13 +00:00
488e7b2a8c
-remove goto -remove multiple return -Modify assignment operator in boolean expression -Modify/fix code style violations -fix attempt to change parameters passed by value -fix value need U suffix -fix use of mixed arithmetic -fix assigment in expression -other fix Tracked-On: #861 Signed-off-by: Chen Gang G <gang.g.chen@intel.com> Reviewed-by: Bing Zhu <bing.zhu@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
|
|
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <rtl.h>
|
|
#include "mbedtls/hkdf.h"
|
|
#include "mbedtls/md.h"
|
|
|
|
int32_t hkdf_sha256(uint8_t *out_key, size_t out_len,
|
|
const uint8_t *secret, size_t secret_len,
|
|
const uint8_t *salt, size_t salt_len,
|
|
const uint8_t *info, size_t info_len)
|
|
{
|
|
int32_t ret = 0;
|
|
const mbedtls_md_info_t *md;
|
|
|
|
/* salt and info can be NULL, others can't */
|
|
if ((out_key != NULL) && (secret != NULL)) {
|
|
md = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256);
|
|
if (md != NULL) {
|
|
if (mbedtls_hkdf(md, salt, salt_len, secret, secret_len,
|
|
info, info_len, out_key, out_len) == 0) {
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int32_t hmac_sha256(uint8_t *out_key,
|
|
const uint8_t *secret, size_t secret_len,
|
|
const uint8_t *salt, size_t salt_len)
|
|
{
|
|
int32_t ret = 0;
|
|
const mbedtls_md_info_t *md;
|
|
|
|
if ((out_key != NULL) && (secret != NULL) && (salt != NULL)) {
|
|
md = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256);
|
|
if (md != NULL) {
|
|
if (mbedtls_md_hmac(md, secret, secret_len, salt, salt_len, out_key) == 0) {
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|