zymkey4_driver.c File Reference

File containing the implementation of zymkey4 driver configuration utilities. More...

#include <sys/types.h>
#include <zymkey/zk_app_utils.h>
#include "../utils/allocs.h"
#include "../utils/log.h"
#include "../utils/os.h"

Include dependency graph for zymkey4_driver.c:

Functions
zkCTX *	init_zymkey4 (void)
	Initialises an HSM context. More...
int	close_zymkey4 (zkCTX *ctx)
	Closes the zymkey4 context. More...
int	generate_zymkey4_key (zkCTX *ctx, uint8_t *key, size_t key_size)
	Generate a random Zymkey4 key. More...
int	encrypt_zymkey4_blob (zkCTX *ctx, uint8_t *in, size_t in_size, uint8_t **out, size_t *out_size)
	Encrypt a byte array wiht the Zymkey4 HSM. More...
int	decrypt_zymkey4_blob (zkCTX *ctx, uint8_t *in, size_t in_size, uint8_t **out, size_t *out_size)
	Decrypt a byte array wiht the Zymkey4 HSM. More...

Detailed Description

File containing the implementation of zymkey4 driver configuration utilities.

Author

Alexandru Mereacre

Date

2021

Copyright

SPDX-FileCopyrightText: © 2021 NQMCyber Ltd and edgesec contributors SPDX-License-Identifier: LGPL-3.0-or-later

Function Documentation

close_zymkey4()

int close_zymkey4

(

zkCTX *

ctx

)

Closes the zymkey4 context.

Parameters

ctx	The Zymkey4 context

Returns

int 0 on success, -1 on failure

decrypt_zymkey4_blob()

int decrypt_zymkey4_blob	(	zkCTX *	ctx,
		uint8_t *	in,
		size_t	in_size,
		uint8_t **	out,
		size_t *	out_size
	)

Decrypt a byte array wiht the Zymkey4 HSM.

Parameters

ctx	The Zymkey4 context
in	The input array
in_size	The input array size
out	The output decrypted array
out_size	The output array size

Returns

int 0 on success, -1 on failure

encrypt_zymkey4_blob()

int encrypt_zymkey4_blob	(	zkCTX *	ctx,
		uint8_t *	in,
		size_t	in_size,
		uint8_t **	out,
		size_t *	out_size
	)

Encrypt a byte array wiht the Zymkey4 HSM.

Parameters

ctx	The Zymkey4 context
in	The input array
in_size	The input array size
out	The output encrypted array
out_size	The output array size

Returns

int 0 on success, -1 on failure

generate_zymkey4_key()

int generate_zymkey4_key	(	zkCTX *	ctx,
		uint8_t *	key,
		size_t	key_size
	)

Generate a random Zymkey4 key.

Parameters

ctx	The Zymkey4 context
key	The returned key
key_size	The key size

Returns

int 0 on success, -1 on failure

init_zymkey4()

zkCTX* init_zymkey4

(

void

)

Initialises an HSM context.

Returns

zkCTX* The returned Zymkey4 context, NULL on error