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