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Commit 0a2b0f04 authored by Johan Hedberg's avatar Johan Hedberg Committed by Marcel Holtmann
Browse files

Bluetooth: Add skeleton for SMP self-tests 



This patch adds the initial skeleton and kernel config option for SMP
self-tests.

Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 0b6415b6

net/bluetooth/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -84,4 +84,11 @@ config BT_SELFTEST_ECDH 
	  Run test cases for ECDH cryptographic functionality used by the

	  Bluetooth Low Energy Secure Connections feature.



config BT_SELFTEST_SMP

	bool "SMP test cases"

	depends on BT_LE && BT_SELFTEST

	help

	  Run test cases for SMP cryptographic functionality, including both

	  legacy SMP as well as the Secure Connections features.



source "drivers/bluetooth/Kconfig"

net/bluetooth/selftest.c

+7 −0
Original line number Diff line number Diff line
@@ -22,8 +22,10 @@ 
*/



#include <net/bluetooth/bluetooth.h>

#include <net/bluetooth/hci_core.h>



#include "ecc.h"

#include "smp.h"

#include "selftest.h"



#if IS_ENABLED(CONFIG_BT_SELFTEST_ECDH)
@@ -195,7 +197,12 @@ static int __init run_selftest(void) 
	BT_INFO("Starting self testing");



	err = test_ecdh();

	if (err)

		goto done;



	err = bt_selftest_smp();



done:

	BT_INFO("Finished self testing");



	return err;

net/bluetooth/smp.c

+39 −0
Original line number Diff line number Diff line
@@ -3022,3 +3022,42 @@ void smp_unregister(struct hci_dev *hdev) 
		smp_del_chan(chan);

	}

}



#if IS_ENABLED(CONFIG_BT_SELFTEST_SMP)



static int __init run_selftests(struct crypto_blkcipher *tfm_aes,

				struct crypto_hash *tfm_cmac)

{

	BT_INFO("SMP test passed");



	return 0;

}



int __init bt_selftest_smp(void)

{

	struct crypto_blkcipher *tfm_aes;

	struct crypto_hash *tfm_cmac;

	int err;



	tfm_aes = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);

	if (IS_ERR(tfm_aes)) {

		BT_ERR("Unable to create ECB crypto context");

		return PTR_ERR(tfm_aes);

	}



	tfm_cmac = crypto_alloc_hash("cmac(aes)", 0, CRYPTO_ALG_ASYNC);

	if (IS_ERR(tfm_cmac)) {

		BT_ERR("Unable to create CMAC crypto context");

		crypto_free_blkcipher(tfm_aes);

		return PTR_ERR(tfm_cmac);

	}



	err = run_selftests(tfm_aes, tfm_cmac);



	crypto_free_hash(tfm_cmac);

	crypto_free_blkcipher(tfm_aes);



	return err;

}



#endif

net/bluetooth/smp.h

+13 −0
Original line number Diff line number Diff line
@@ -192,4 +192,17 @@ int smp_generate_rpa(struct hci_dev *hdev, const u8 irk[16], bdaddr_t *rpa); 
int smp_register(struct hci_dev *hdev);

void smp_unregister(struct hci_dev *hdev);



#if IS_ENABLED(CONFIG_BT_SELFTEST_SMP)



int bt_selftest_smp(void);



#else



static inline int bt_selftest_smp(void)

{

	return 0;

}



#endif



#endif /* __SMP_H */