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/*
* Copyright (c) 2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include <plat/arm/common/plat_arm.h>
/*
* Return the non-volatile counter value stored in the platform. The cookie
* will contain the OID of the counter in the certificate.
*
* Return: 0 = success, Otherwise = error
*/
int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr)
{
*nv_ctr = N1SDP_FW_NVCTR_VAL;
return 0;
}
/*
* Store a new non-volatile counter value. By default on ARM development
* platforms, the non-volatile counters are RO and cannot be modified. We expect
* the values in the certificates to always match the RO values so that this
* function is never called.
*
* Return: 0 = success, Otherwise = error
*/
int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr)
{
return 1;
}
/*
* Return the ROTPK hash in the following ASN.1 structure in DER format:
*
* AlgorithmIdentifier ::= SEQUENCE {
* algorithm OBJECT IDENTIFIER,
* parameters ANY DEFINED BY algorithm OPTIONAL
* }
*
* DigestInfo ::= SEQUENCE {
* digestAlgorithm AlgorithmIdentifier,
* digest OCTET STRING
* }
*/
int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
unsigned int *flags)
{
return arm_get_rotpk_info(cookie, key_ptr, key_len, flags);
}
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