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/* Copyright 2021 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.
*
* Functions related to unpacking keys and key buffers.
*/
#ifndef VBOOT_REFERENCE_2PACKED_KEY_H_
#define VBOOT_REFERENCE_2PACKED_KEY_H_
/**
* Unpack a vboot1-format key buffer for use in verification
*
* The elements of the unpacked key will point into the source buffer, so don't
* free the source buffer until you're done with the key.
*
* @param key Destintion for unpacked key
* @param buf Source buffer containing packed key
* @param size Size of buffer in bytes
* @return VB2_SUCCESS, or non-zero error code if error.
*/
vb2_error_t vb2_unpack_key_buffer(struct vb2_public_key *key,
const uint8_t *buf, uint32_t size);
/**
* Unpack a vboot1-format key for use in verification
*
* The elements of the unpacked key will point into the source packed key, so
* don't free the source until you're done with the public key.
*
* @param key Destintion for unpacked key
* @param packed_key Source packed key
* @param size Size of buffer in bytes
* @return VB2_SUCCESS, or non-zero error code if error.
*/
vb2_error_t vb2_unpack_key(struct vb2_public_key *key,
const struct vb2_packed_key *packed_key);
#endif /* VBOOT_REFERENCE_2PACKED_KEY_H_ */
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