xref: /rk3399_ARM-atf/tools/cert_create/include/key.h (revision c3cf06f1a3a9b9ee8ac7a0ae505f95c45f7dca84)
16f971622SJuan Castillo /*
22972247cSQixiang Xu  * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
36f971622SJuan Castillo  *
482cb2c1aSdp-arm  * SPDX-License-Identifier: BSD-3-Clause
56f971622SJuan Castillo  */
66f971622SJuan Castillo 
7*c3cf06f1SAntonio Nino Diaz #ifndef KEY_H
8*c3cf06f1SAntonio Nino Diaz #define KEY_H
96f971622SJuan Castillo 
106f971622SJuan Castillo #include <openssl/ossl_typ.h>
116f971622SJuan Castillo 
126f971622SJuan Castillo #define RSA_KEY_BITS		2048
136f971622SJuan Castillo 
14ccbf890eSJuan Castillo /* Error codes */
15ccbf890eSJuan Castillo enum {
16ccbf890eSJuan Castillo 	KEY_ERR_NONE,
17ccbf890eSJuan Castillo 	KEY_ERR_MALLOC,
18ccbf890eSJuan Castillo 	KEY_ERR_FILENAME,
19ccbf890eSJuan Castillo 	KEY_ERR_OPEN,
20ccbf890eSJuan Castillo 	KEY_ERR_LOAD
21ccbf890eSJuan Castillo };
22ccbf890eSJuan Castillo 
23ccbf890eSJuan Castillo /* Supported key algorithms */
24ccbf890eSJuan Castillo enum {
25a8eb286aSSoby Mathew 	KEY_ALG_RSA,		/* RSA PSS as defined by PKCS#1 v2.1 (default) */
26a8eb286aSSoby Mathew 	KEY_ALG_RSA_1_5,	/* RSA as defined by PKCS#1 v1.5 */
27ed2a76eaSJuan Castillo #ifndef OPENSSL_NO_EC
28ed2a76eaSJuan Castillo 	KEY_ALG_ECDSA,
29ed2a76eaSJuan Castillo #endif /* OPENSSL_NO_EC */
30ed2a76eaSJuan Castillo 	KEY_ALG_MAX_NUM
31ccbf890eSJuan Castillo };
32ccbf890eSJuan Castillo 
332972247cSQixiang Xu /* Supported hash algorithms */
342972247cSQixiang Xu enum{
352972247cSQixiang Xu 	HASH_ALG_SHA256,
362972247cSQixiang Xu 	HASH_ALG_SHA384,
372972247cSQixiang Xu 	HASH_ALG_SHA512,
382972247cSQixiang Xu };
392972247cSQixiang Xu 
406f971622SJuan Castillo /*
416f971622SJuan Castillo  * This structure contains the relevant information to create the keys
426f971622SJuan Castillo  * required to sign the certificates.
436f971622SJuan Castillo  *
446f971622SJuan Castillo  * One instance of this structure must be created for each key, usually in an
456f971622SJuan Castillo  * array fashion. The filename is obtained at run time from the command line
466f971622SJuan Castillo  * parameters
476f971622SJuan Castillo  */
486f971622SJuan Castillo typedef struct key_s {
496f971622SJuan Castillo 	int id;			/* Key id */
50ad2c1a9aSJuan Castillo 	const char *opt;	/* Command line option to specify a key */
51159807e2SJuan Castillo 	const char *help_msg;	/* Help message */
526f971622SJuan Castillo 	const char *desc;	/* Key description (debug purposes) */
536f971622SJuan Castillo 	char *fn;		/* Filename to load/store the key */
546f971622SJuan Castillo 	EVP_PKEY *key;		/* Key container */
556f971622SJuan Castillo } key_t;
566f971622SJuan Castillo 
5755e291a4SJuan Castillo /* Exported API */
58ad2c1a9aSJuan Castillo int key_init(void);
59ad2c1a9aSJuan Castillo key_t *key_get_by_opt(const char *opt);
60762f1ebeSMasahiro Yamada int key_new(key_t *key);
61ccbf890eSJuan Castillo int key_create(key_t *key, int type);
62ccbf890eSJuan Castillo int key_load(key_t *key, unsigned int *err_code);
636f971622SJuan Castillo int key_store(key_t *key);
646f971622SJuan Castillo 
6555e291a4SJuan Castillo /* Macro to register the keys used in the CoT */
6655e291a4SJuan Castillo #define REGISTER_KEYS(_keys) \
6755e291a4SJuan Castillo 	key_t *keys = &_keys[0]; \
68aa856917SSandrine Bailleux 	const unsigned int num_keys = sizeof(_keys)/sizeof(_keys[0])
6955e291a4SJuan Castillo 
7055e291a4SJuan Castillo /* Exported variables */
7155e291a4SJuan Castillo extern key_t *keys;
7255e291a4SJuan Castillo extern const unsigned int num_keys;
7355e291a4SJuan Castillo 
74*c3cf06f1SAntonio Nino Diaz #endif /* KEY_H */
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