Use the correct size for attestation challenge when converting to Java

[g-coppock]

Problem

Fixes issue where the wrong number of bytes is returned from the Java API to return an attestation challenge.

Testing

• Tested locally, adding logging to C++ and Java side to ensure the correct value was seen on both sides.

[github-actions]

PR #15420: Size comparison from 8235ae4 to c38a411

Full report (43 builds for cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, p6, qpg, telink)

platform	target	config	section	8235ae4	c38a411	change	% change
cyw30739	light	cyw930739m2evb_01	(read/write)	598702	598702	0	0.0
			.app_xip_area	503508	503508	0	0.0
			.bss	77884	77884	0	0.0
			.data	652	652	0	0.0
			.rodata	0	0	0	0.0
			.text	0	0	0	0.0
	lock	cyw930739m2evb_01	(read/write)	556738	556738	0	0.0
			.app_xip_area	463088	463088	0	0.0
			.bss	76380	76380	0	0.0
			.data	616	616	0	0.0
			.rodata	0	0	0	0.0
			.text	0	0	0	0.0
	ota-requestor	cyw930739m2evb_01	(read/write)	577786	577786	0	0.0
			.app_xip_area	474704	474704	0	0.0
			.bss	85484	85484	0	0.0
			.data	560	560	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
efr32	lighting-app	BRD4161A	(read only)	915604	915604	0	0.0
			(read/write)	128648	128648	0	0.0
			.bss	126600	126600	0	0.0
			.data	2048	2048	0	0.0
			.text	915596	915596	0	0.0
		BRD4161A+rpc	(read only)	944304	944304	0	0.0
			(read/write)	145568	145568	0	0.0
			.bss	143376	143376	0	0.0
			.data	2188	2188	0	0.0
			.text	944296	944296	0	0.0
	window-app	BRD4161A	(read only)	849104	849104	0	0.0
			(read/write)	126552	126552	0	0.0
			.bss	124632	124632	0	0.0
			.data	1916	1916	0	0.0
			.text	849096	849096	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	951290	951290	0	0.0
			(read/write)	1399506	1399506	0	0.0
			.dram0.bss	66672	66672	0	0.0
			.dram0.data	14172	14172	0	0.0
			.flash.rodata	199768	199768	0	0.0
			.flash.text	951290	951290	0	0.0
			.iram0.text	62056	62056	0	0.0
		m5stack	(read only)	1001251	1001251	0	0.0
			(read/write)	464920	464920	0	0.0
			.dram0.bss	71824	71824	0	0.0
			.dram0.data	34072	34072	0	0.0
			.flash.rodata	226896	226896	0	0.0
			.flash.text	995867	995867	0	0.0
			.iram0.text	123399	123399	0	0.0
k32w	light	k32w061+release	(read/write)	691436	691436	0	0.0
			.bss	77520	77520	0	0.0
			.data	1924	1924	0	0.0
			.text	606192	606192	0	0.0
	lock	k32w061+release	(read/write)	694196	694196	0	0.0
			.bss	77720	77720	0	0.0
			.data	1964	1964	0	0.0
			.text	608712	608712	0	0.0
linux	all-clusters-app	debug	(read only)	2392465	2392465	0	0.0
			(read/write)	148560	148560	0	0.0
			.bss	62944	62944	0	0.0
			.data	1360	1360	0	0.0
			.data.rel.ro	78552	78552	0	0.0
			.dynamic	592	592	0	0.0
			.got	4160	4160	0	0.0
			.init	27	27	0	0.0
			.init_array	904	904	0	0.0
			.rodata	206277	206277	0	0.0
			.text	2022866	2022866	0	0.0
	bridge-app	debug+rpc	(read only)	1716165	1716165	0	0.0
			(read/write)	93824	93824	0	0.0
			.bss	48480	48480	0	0.0
			.data	2042	2042	0	0.0
			.data.rel.ro	38232	38232	0	0.0
			.dynamic	592	592	0	0.0
			.got	3912	3912	0	0.0
			.init	27	27	0	0.0
			.init_array	536	536	0	0.0
			.rodata	140372	140372	0	0.0
			.text	1459749	1459749	0	0.0
	chip-tool	debug	(read only)	9153357	9153357	0	0.0
			(read/write)	321584	321584	0	0.0
			.bss	41016	41016	0	0.0
			.data	1184	1184	0	0.0
			.data.rel.ro	273352	273352	0	0.0
			.dynamic	608	608	0	0.0
			.got	4784	4784	0	0.0
			.init	27	27	0	0.0
			.init_array	624	624	0	0.0
			.rodata	479541	479541	0	0.0
			.text	8011653	8011653	0	0.0
	chip-tool-ipv6only	arm64	(read only)	8864364	8864364	0	0.0
			(read/write)	434705	434705	0	0.0
			.bss	59265	59265	0	0.0
			.data	1224	1224	0	0.0
			.data.rel.ro	319024	319024	0	0.0
			.dynamic	560	560	0	0.0
			.got	51392	51392	0	0.0
			.init	24	24	0	0.0
			.init_array	208	208	0	0.0
			.rodata	456468	456468	0	0.0
			.text	7489572	7489572	0	0.0
	door-lock-app	debug	(read only)	1931505	1931505	0	0.0
			(read/write)	119928	119928	0	0.0
			.bss	51168	51168	0	0.0
			.data	1050	1050	0	0.0
			.data.rel.ro	62352	62352	0	0.0
			.dynamic	592	592	0	0.0
			.got	4096	4096	0	0.0
			.init	27	27	0	0.0
			.init_array	656	656	0	0.0
			.rodata	172028	172028	0	0.0
			.text	1610706	1610706	0	0.0
	lighting-app	debug+rpc	(read only)	2060889	2060889	0	0.0
			(read/write)	124840	124840	0	0.0
			.bss	52128	52128	0	0.0
			.data	1408	1408	0	0.0
			.data.rel.ro	65856	65856	0	0.0
			.dynamic	608	608	0	0.0
			.got	4128	4128	0	0.0
			.init	27	27	0	0.0
			.init_array	704	704	0	0.0
			.rodata	164497	164497	0	0.0
			.text	1741490	1741490	0	0.0
	ota-provider-app	debug	(read only)	1864833	1864833	0	0.0
			(read/write)	115592	115592	0	0.0
			.bss	51008	51008	0	0.0
			.data	1288	1288	0	0.0
			.data.rel.ro	57672	57672	0	0.0
			.dynamic	608	608	0	0.0
			.got	4352	4352	0	0.0
			.init	27	27	0	0.0
			.init_array	608	608	0	0.0
			.rodata	156819	156819	0	0.0
			.text	1557138	1557138	0	0.0
	ota-requestor-app	debug	(read only)	1877281	1877281	0	0.0
			(read/write)	117392	117392	0	0.0
			.bss	51872	51872	0	0.0
			.data	1192	1192	0	0.0
			.data.rel.ro	58936	58936	0	0.0
			.dynamic	592	592	0	0.0
			.got	4152	4152	0	0.0
			.init	27	27	0	0.0
			.init_array	616	616	0	0.0
			.rodata	150980	150980	0	0.0
			.text	1577106	1577106	0	0.0
	shell	debug	(read only)	2361449	2361449	0	0.0
			(read/write)	151072	151072	0	0.0
			.bss	71296	71296	0	0.0
			.data	864	864	0	0.0
			.data.rel.ro	73280	73280	0	0.0
			.dynamic	592	592	0	0.0
			.got	4144	4144	0	0.0
			.init	27	27	0	0.0
			.init_array	888	888	0	0.0
			.rodata	206514	206514	0	0.0
			.text	1997826	1997826	0	0.0
	thermostat-no-ble	arm64	(read only)	2160300	2160300	0	0.0
			(read/write)	149873	149873	0	0.0
			.bss	66433	66433	0	0.0
			.data	1056	1056	0	0.0
			.data.rel.ro	75216	75216	0	0.0
			.dynamic	560	560	0	0.0
			.got	4208	4208	0	0.0
			.init	24	24	0	0.0
			.init_array	352	352	0	0.0
			.rodata	132684	132684	0	0.0
			.text	1808912	1808912	0	0.0
	tv-app	debug	(read only)	2586817	2586817	0	0.0
			(read/write)	152208	152208	0	0.0
			.bss	69120	69120	0	0.0
			.data	3200	3200	0	0.0
			.data.rel.ro	73864	73864	0	0.0
			.dynamic	592	592	0	0.0
			.got	4528	4528	0	0.0
			.init	27	27	0	0.0
			.init_array	872	872	0	0.0
			.rodata	199477	199477	0	0.0
			.text	2212882	2212882	0	0.0
mbed	all-clusters-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2439900	2439900	0	0.0
			.bss	194612	194612	0	0.0
			.data	5360	5360	0	0.0
			.text	1402472	1402472	0	0.0
	lighting-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2401084	2401084	0	0.0
			.bss	188712	188712	0	0.0
			.data	5656	5656	0	0.0
			.text	1363656	1363656	0	0.0
	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2336776	2336776	0	0.0
			.bss	187608	187608	0	0.0
			.data	5632	5632	0	0.0
			.text	1299376	1299376	0	0.0
	pigweed-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	1139840	1139840	0	0.0
			.bss	11796	11796	0	0.0
			.data	4368	4368	0	0.0
			.text	103224	103224	0	0.0
	shell	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2327484	2327484	0	0.0
			.bss	186244	186244	0	0.0
			.data	5464	5464	0	0.0
			.text	1290056	1290056	0	0.0
nrfconnect	lighting-app	nrf52840dk_nrf52840	(read/write)	1022211	1022211	0	0.0
			bss	122664	122664	0	0.0
			rodata	120760	120760	0	0.0
			text	699792	699792	0	0.0
		nrf52840dk_nrf52840+rpc	(read/write)	991487	991487	0	0.0
			bss	119852	119852	0	0.0
			rodata	112284	112284	0	0.0
			text	679672	679672	0	0.0
		nrf52840dongle_nrf52840	(read/write)	1037159	1037159	0	0.0
			bss	123868	123868	0	0.0
			rodata	119608	119608	0	0.0
			text	703784	703784	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	928854	928854	0	0.0
			bss	119224	119224	0	0.0
			rodata	114016	114016	0	0.0
			text	614824	614824	0	0.0
	lock-app	nrf52840dk_nrf52840	(read/write)	951203	951203	0	0.0
			bss	120876	120876	0	0.0
			rodata	109600	109600	0	0.0
			text	642132	642132	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	858678	858678	0	0.0
			bss	117468	117468	0	0.0
			rodata	102768	102768	0	0.0
			text	557940	557940	0	0.0
	pigweed-app	nrf52840dk_nrf52840	(read/write)	527567	527567	0	0.0
			bss	53632	53632	0	0.0
			rodata	49948	49948	0	0.0
			text	361016	361016	0	0.0
	pump-app	nrf52840dk_nrf52840	(read/write)	949347	949347	0	0.0
			bss	120596	120596	0	0.0
			rodata	108552	108552	0	0.0
			text	641520	641520	0	0.0
	pump-controller-app	nrf52840dk_nrf52840	(read/write)	945307	945307	0	0.0
			bss	120600	120600	0	0.0
			rodata	108248	108248	0	0.0
			text	637760	637760	0	0.0
	shell	nrf52840dk_nrf52840	(read/write)	811651	811651	0	0.0
			bss	113348	113348	0	0.0
			rodata	79752	79752	0	0.0
			text	540924	540924	0	0.0
p6	all-clusters-app	default	(read/write)	2490352	2490352	0	0.0
			.bss	122400	122400	0	0.0
			.data	2688	2688	0	0.0
			.text	1448616	1448616	0	0.0
	light-app	default	(read/write)	2394328	2394328	0	0.0
			.bss	113648	113648	0	0.0
			.data	2536	2536	0	0.0
			.text	1352592	1352592	0	0.0
	lock-app	default	(read/write)	2357888	2357888	0	0.0
			.bss	113400	113400	0	0.0
			.data	2496	2496	0	0.0
			.text	1316152	1316152	0	0.0
qpg	lighting-app	qpg6105+debug	(read only)	600316	600316	0	0.0
			(read/write)	146936	146936	0	0.0
			.bss	90936	90936	0	0.0
			.data	1124	1124	0	0.0
			.text	594996	594996	0	0.0
	lock-app	qpg6105+debug	(read only)	566076	566076	0	0.0
			(read/write)	146936	146936	0	0.0
			.bss	90944	90944	0	0.0
			.data	1076	1076	0	0.0
			.text	560756	560756	0	0.0
	persistent-storage-app	qpg6105+debug	(read only)	99536	99536	0	0.0
			(read/write)	146941	146941	0	0.0
			.bss	24001	24001	0	0.0
			.data	180	180	0	0.0
			.text	94216	94216	0	0.0
telink	lighting-app	tlsr9518adk80d	(read/write)	881410	881410	0	0.0
			bss	86372	86372	0	0.0
			noinit	37160	37160	0	0.0
			text	622718	622718	0	0.0