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doc: add application development section#784

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doc: add application development section#784
Damian-Nordic wants to merge 2 commits into
nrfconnect:mainfrom
Damian-Nordic:doc-rework

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@Damian-Nordic

@Damian-Nordic Damian-Nordic commented Jul 15, 2026 •
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  test-sdk-sidewalk: master
  # To reconfigure functional tests:
  # use GH labels func-* (default is func-commit)
  # or
  # Use YAML Filters. Helper side to set filters: https://tester-pc.nordicsemi.no:8080/test_mgmt
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Description

Extract application development section that includes more advanced topics for developing production-grade Sidewalk applications.

Add pages about secure storage and bootloader configuration.

JIRA ticket: KRKNWK-22168

Self review

  • There is no commented code.
  • There are no TODO/FIXME comments without associated issue ticket.
  • Commits are properly organized.
  • Change has been tested.
  • Tests were updated (if applicable).

@Damian-Nordic
Damian-Nordic requested a review from a team as a code owner July 15, 2026 11:48
@github-actions github-actions Bot added doc-required PR must not be merged without tech writer approval. source PR changing src files tests labels Jul 15, 2026
@Damian-Nordic
doc: add application development section
e71fcd6 
Extract application development section that includes more advanced
topics for developing production-grade Sidewalk applications.

Add pages about secure storage and bootloader configuration.

Signed-off-by: Damian Krolik <damian.krolik@nordicsemi.no>
@Damian-Nordic
samples: sid_end_device: store MCUboot public key in KMU
4d461c7 
Enable using KMU to hold public keys for application images
verification.

Signed-off-by: Damian Krolik <damian.krolik@nordicsemi.no>
@Damian-Nordic
Damian-Nordic requested a review from annwoj July 15, 2026 11:51
@github-actions

github-actions Bot commented Jul 15, 2026

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Sample diff used total
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.demo.ble_only RAM 0 B 118.42 KB 0 B
ROM -4.43 KB 388.58 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.demo.lr1110 RAM 0 B 135.58 KB 0 B
ROM -4.43 KB 473.5 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.demo.sx1262 RAM 0 B 135.19 KB 0 B
ROM -4.43 KB 466.93 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.dut.ble_only RAM 0 B 142.74 KB 0 B
ROM -4.41 KB 475.82 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.demo.ble_only RAM 0 B 118.31 KB 0 B
ROM -4.43 KB 388.55 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.demo.lr1110 RAM 0 B 135.47 KB 0 B
ROM -4.43 KB 473.47 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.demo.sx1262 RAM 0 B 135.08 KB 0 B
ROM -4.43 KB 466.9 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.dut.ble_only RAM 0 B 142.62 KB 0 B
ROM -4.41 KB 475.8 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.demo.ble_only RAM 0 B 117.4 KB 0 B
ROM 384 B 345.55 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.demo.lr1110 RAM 0 B 134.56 KB 0 B
ROM 384 B 430.48 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.demo.sx1262 RAM 0 B 134.17 KB 0 B
ROM 384 B 423.91 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.dut.ble_only RAM 0 B 141.71 KB 0 B
ROM 416 B 433.56 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.dut.lr1110 RAM 0 B 169.01 KB 0 B
ROM -4.4 KB 655.49 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.dut.no_secure RAM 0 B 159.52 KB 0 B
ROM -4.8 KB 546.22 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.dut.nrf_sidewalk_eb RAM 0 B 169.01 KB 0 B
ROM -4.4 KB 655.49 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.dut.sx1262 RAM 0 B 159.57 KB 0 B
ROM -4.4 KB 556.26 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.dut.lr1110 RAM 0 B 168.9 KB 0 B
ROM -4.4 KB 655.47 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.dut.no_secure RAM 0 B 159.4 KB 0 B
ROM -4.8 KB 546.2 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.dut.nrf_sidewalk_eb RAM 0 B 168.9 KB 0 B
ROM -4.4 KB 655.46 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.dut.sx1262 RAM 0 B 159.45 KB 0 B
ROM -4.4 KB 556.24 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.dut.sx1262 RAM 0 B 158.54 KB 0 B
ROM 420 B 513.98 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.hello.ble_only RAM 0 B 107.44 KB 0 B
ROM 384 B 343.86 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.hello.ble_only.release RAM 0 B 100.8 KB 0 B
ROM 372 B 264.02 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.hello.ble_only RAM 0 B 108.47 KB 0 B
ROM -4.43 KB 386.89 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.hello.ble_only.release RAM 0 B 101.83 KB 0 B
ROM -4.44 KB 306.43 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.hello.lr1110 RAM 0 B 137.19 KB 0 B
ROM -4.43 KB 487.6 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.hello.release.lr1110 RAM 0 B 119 KB 0 B
ROM -4.44 KB 385.81 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.hello.ble_only RAM 0 B 108.35 KB 0 B
ROM -4.43 KB 386.86 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.hello.ble_only.release RAM 0 B 101.71 KB 0 B
ROM -4.44 KB 306.41 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.hello.lr1110 RAM 0 B 137.07 KB 0 B
ROM -4.43 KB 487.57 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.hello.release.lr1110 RAM 0 B 118.88 KB 0 B
ROM -4.44 KB 385.78 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.hello.lr1110 RAM 0 B 136.16 KB 0 B
ROM 384 B 444.57 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.hello.release.lr1110 RAM 0 B 117.97 KB 0 B
ROM 376 B 343.38 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.hello.release.sx1262 RAM 0 B 117.58 KB 0 B
ROM 372 B 340.51 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.hello.release.sx1262 RAM 0 B 118.61 KB 0 B
ROM -4.44 KB 382.95 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.hello.sx1262 RAM 0 B 136.79 KB 0 B
ROM -4.43 KB 481.03 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.helloPower.ble.release RAM 0 B 101.82 KB 0 B
ROM -4.44 KB 305.82 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.helloPower.ble_only.release RAM 0 B 101.82 KB 0 B
ROM -4.44 KB 305.82 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.hello.release.sx1262 RAM 0 B 118.49 KB 0 B
ROM -4.44 KB 382.92 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.hello.sx1262 RAM 0 B 136.68 KB 0 B
ROM -4.43 KB 481.01 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.helloPower.ble.release RAM 0 B 101.7 KB 0 B
ROM -4.44 KB 305.79 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.helloPower.ble_only.release RAM 0 B 101.7 KB 0 B
ROM -4.44 KB 305.79 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.hello.sx1262 RAM 0 B 135.77 KB 0 B
ROM 384 B 438.01 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.helloPower.ble.release RAM 0 B 100.79 KB 0 B
ROM 368 B 263.4 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.helloPower.ble_only.release RAM 0 B 100.79 KB 0 B
ROM 368 B 263.4 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.helloPower.fsk.release.sx1262 RAM 0 B 118.6 KB 0 B
ROM -4.45 KB 382.19 KB 0 B
nrf54l15dk/nrf54l10/cpuapp:sample.sidewalk.helloPower.lora.release.sx1262 RAM 0 B 118.6 KB 0 B
ROM -4.45 KB 382.19 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.helloPower.fsk.release.sx1262 RAM 0 B 118.48 KB 0 B
ROM -4.44 KB 382.16 KB 0 B
nrf54l15dk/nrf54l15/cpuapp:sample.sidewalk.helloPower.lora.release.sx1262 RAM 0 B 118.48 KB 0 B
ROM -4.44 KB 382.16 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.helloPower.fsk.release.sx1262 RAM 0 B 117.57 KB 0 B
ROM 376 B 339.76 KB 0 B
nrf54l15dk/nrf54l15/cpuapp/ns:sample.sidewalk.helloPower.lora.release.sx1262 RAM 0 B 117.57 KB 0 B
ROM 376 B 339.76 KB 0 B
.config diff

.config change: https://github.com/nrfconnect/sdk-sidewalk/actions/runs/29414361286/artifacts/8342447498


./sample-artifacts-meta/twister-out/nrf54l15dk_nrf54l10_cpuapp/zephyr/sidewalk/samples/sid_end_device/sample.sidewalk.demo.lr1110/mcuboot/zephyr/.config
old                                                           | new
CONFIG_APP_LINK_WITH_MBEDTLS=y				      <
							      >	CONFIG_BOOT_ED25519_PSA=y
							      >	CONFIG_BOOT_ED25519_PSA_DEPENDENCIES=y
CONFIG_BOOT_IMG_HASH_ALG_SHA256=y			      <
							      >	CONFIG_BOOT_IMG_HASH_ALG_SHA512=y
							      >	CONFIG_BOOT_IMG_HASH_ALG_SHA512_ALLOW=y
							      >	CONFIG_BOOT_PSA_IMG_HASH_ALG_SHA512_DEPENDENCIES=y
CONFIG_BOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-sidewal |	CONFIG_BOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-sidewal
CONFIG_BOOT_SIGNATURE_TYPE_RSA=y			      |	CONFIG_BOOT_SIGNATURE_KMU_SLOTS=1
CONFIG_BOOT_SIGNATURE_TYPE_RSA_LEN=2048			      |	CONFIG_BOOT_SIGNATURE_TYPE_ED25519=y
CONFIG_BOOT_SOMETHING_USES_SHA256=y			      |	CONFIG_BOOT_SIGNATURE_TYPE_PURE_ALLOW=y
							      >	CONFIG_BOOT_SIGNATURE_USING_KMU=y
							      >	CONFIG_BOOT_SOMETHING_USES_SHA512=y
CONFIG_BOOT_USE_MBEDTLS=y				      |	CONFIG_BOOT_USE_PSA_CRYPTO=y
CONFIG_CBPRINTF_COMPLETE=y				      <
CONFIG_CBPRINTF_N_SPECIFIER=y				      |	CONFIG_CBPRINTF_NANO=y
CONFIG_COMMON_LIBC_ASCTIME=y				      <
CONFIG_COMMON_LIBC_ASCTIME_R=y				      <
CONFIG_COMMON_LIBC_CTIME=y				      <
CONFIG_COMMON_LIBC_CTIME_R=y				      <
CONFIG_COMMON_LIBC_GMTIME_R=y				      <
CONFIG_COMMON_LIBC_LOCALTIME_R_UTC=y			      <
CONFIG_COMMON_LIBC_STRNLEN=y				      <
CONFIG_COMPILER_FREESTANDING=y				      <
							      >	CONFIG_CRACEN_BASE_RSA_COUNTERMEASURES_EXTENDED=y
							      >	CONFIG_CRACEN_ECC_COUNTERMEASURES=y
							      >	CONFIG_CRACEN_HW_VERSION_BASE=y
							      >	CONFIG_CRACEN_IKG_SEED_KMU_SLOT=183
							      >	CONFIG_CRACEN_IKG_SEED_LOAD=y
							      >	CONFIG_CRACEN_KMU_HW_PRESENT=y
							      >	CONFIG_CRACEN_LIB_KMU=y
							      >	CONFIG_CRACEN_LOAD_MICROCODE=y
							      >	CONFIG_CRACEN_PROVISION_PROT_RAM_INV_SLOTS_ON_INIT=y
							      >	CONFIG_CRACEN_RSA_COUNTERMEASURES=y
							      >	CONFIG_CRACEN_USE_INTERRUPTS=y
							      >	CONFIG_CURRENT_THREAD_USE_TLS=y
CONFIG_DEPRECATED=y					      <
							      >	CONFIG_EVENTS=y
CONFIG_FORTIFY_SOURCE_NONE=y				      |	CONFIG_FORTIFY_SOURCE_COMPILE_TIME=y
							      >	CONFIG_HAS_HW_NRF_CRACEN=y
							      >	CONFIG_HW_UNIQUE_KEY_SUPPORTED=y
							      >	CONFIG_LIBC_ERRNO=y
CONFIG_MBEDTLS=y					      <
CONFIG_MBEDTLS_BUILTIN=y				      |	CONFIG_MBEDTLS_ASN1_WRITE_C=y
CONFIG_MBEDTLS_CFG_FILE="config-mbedtls.h"		      |	CONFIG_MBEDTLS_BASE64_C=y
CONFIG_MBEDTLS_INIT=y					      |	CONFIG_MBEDTLS_CFG_FILE="nrf-config.h"
CONFIG_MBEDTLS_KEY_EXCHANGE_RSA_ENABLED=y		      |	CONFIG_MBEDTLS_ENABLE_HEAP=y
CONFIG_MBEDTLS_MD=y					      |	CONFIG_MBEDTLS_ENTROPY_FORCE_SHA256=y
CONFIG_MBEDTLS_MD_C=y					      |	CONFIG_MBEDTLS_ENTROPY_HARDWARE_ALT=y
CONFIG_MBEDTLS_PKCS1_V15=y				      |	CONFIG_MBEDTLS_ENTROPY_MAX_SOURCES=1
CONFIG_MBEDTLS_PKCS1_V21=y				      |	CONFIG_MBEDTLS_HEAP_SIZE=2048
CONFIG_MBEDTLS_PLATFORM_NO_STD_FUNCTIONS=y		      |	CONFIG_MBEDTLS_MEMORY_BUFFER_ALLOC_C=y
CONFIG_MBEDTLS_PLATFORM_SNPRINTF_ALT=y			      |	CONFIG_MBEDTLS_MEMORY_C=y
CONFIG_MBEDTLS_PSK_MAX_LEN=32				      |	CONFIG_MBEDTLS_MPI_MAX_SIZE=384
CONFIG_MBEDTLS_RSA_C=y					      |	CONFIG_MBEDTLS_MPI_WINDOW_SIZE=6
CONFIG_MBEDTLS_SHA256=y					      |	CONFIG_MBEDTLS_NO_PLATFORM_ENTROPY=y
CONFIG_MBEDTLS_SHA256_SMALLER=y				      |	CONFIG_MBEDTLS_OID_C=y
CONFIG_MBEDTLS_SSL_MAX_CONTENT_LEN=1500			      |	CONFIG_MBEDTLS_PLATFORM_C=y
							      >	CONFIG_MBEDTLS_PLATFORM_MEMORY=y
							      >	CONFIG_MBEDTLS_PROMPTLESS=y
							      >	CONFIG_MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS=y
							      >	CONFIG_MBEDTLS_PSA_CRYPTO_C=y
							      >	CONFIG_MBEDTLS_PSA_CRYPTO_CLIENT=y
							      >	CONFIG_MBEDTLS_PSA_CRYPTO_CONFIG=y
							      >	CONFIG_MBEDTLS_PSA_CRYPTO_CONFIG_FILE="nrf-psa-crypto-config.
							      >	CONFIG_MBEDTLS_PSA_CRYPTO_DRIVERS=y
							      >	CONFIG_MBEDTLS_PSA_CRYPTO_USER_CONFIG_FILE="nrf-psa-crypto-us
							      >	CONFIG_MBEDTLS_PSA_KEY_SLOT_COUNT=32
							      >	CONFIG_MBEDTLS_THREADING_ALT=y
							      >	CONFIG_MBEDTLS_THREADING_C=y
							      >	CONFIG_MBEDTLS_USE_PSA_CRYPTO=y
							      >	CONFIG_MCUBOOT_DOWNGRADE_PREVENTION=y
CONFIG_MINIMAL_LIBC=y					      <
CONFIG_MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS=y		      <
CONFIG_MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE=y		      <
CONFIG_MINIMAL_LIBC_TIME=y				      <
							      >	CONFIG_NCS_BOOT_SIGNATURE_KMU_BASE_SLOT=242
							      >	CONFIG_NRF_SECURITY=y
							      >	CONFIG_PICOLIBC=y
							      >	CONFIG_PICOLIBC_IO_MINIMAL=y
							      >	CONFIG_PICOLIBC_USE_TOOLCHAIN=y
CONFIG_PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY=y		      <
CONFIG_PM_OVERRIDE_EXTERNAL_DRIVER_CHECK=y		      <
							      >	CONFIG_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT_MONTGOMERY_255=
							      >	CONFIG_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT_TWISTED_EDWARDS
							      >	CONFIG_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY_MONTGOMERY_255=y
							      >	CONFIG_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY_TWISTED_EDWARDS_255=
							      >	CONFIG_PSA_ACCEL_PURE_EDDSA_TWISTED_EDWARDS_255=y
							      >	CONFIG_PSA_ACCEL_SHA_512=y
							      >	CONFIG_PSA_CORE_OBERON=y
							      >	CONFIG_PSA_CRYPTO=y
							      >	CONFIG_PSA_CRYPTO_CLIENT=y
							      >	CONFIG_PSA_CRYPTO_DRIVER_CRACEN=y
							      >	CONFIG_PSA_CRYPTO_PROVIDER_CUSTOM=y
							      >	CONFIG_PSA_CRYPTO_SYS_INIT=y
							      >	CONFIG_PSA_HAS_AEAD_SUPPORT=y
							      >	CONFIG_PSA_HAS_ASYM_SIGN_SUPPORT=y
							      >	CONFIG_PSA_HAS_CIPHER_SUPPORT=y
							      >	CONFIG_PSA_HAS_HASH_SUPPORT=y
							      >	CONFIG_PSA_HAS_KEY_DERIVATION=y
							      >	CONFIG_PSA_HAS_KEY_SUPPORT=y
							      >	CONFIG_PSA_HAS_MAC_SUPPORT=y
							      >	CONFIG_PSA_MAX_RSA_KEY_BITS=0
							      >	CONFIG_PSA_NEED_CRACEN_ASYMMETRIC_SIGNATURE_ANY_ECC=y
							      >	CONFIG_PSA_NEED_CRACEN_ASYMMETRIC_SIGNATURE_DRIVER=y
							      >	CONFIG_PSA_NEED_CRACEN_HASH_DRIVER=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_MANAGEMENT_DRIVER=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_KEY_PAIR_IMPORT=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_KEY_PAIR_IMPORT_MONTGOMER
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_KEY_PAIR_IMPORT_MONTGOMER
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_KEY_PAIR_IMPORT_TWISTED_E
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_KEY_PAIR_IMPORT_TWISTED_E
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_MONTGOMERY=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_MONTGOMERY_255=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_PUBLIC_KEY=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_PUBLIC_KEY_MONTGOMERY=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_PUBLIC_KEY_MONTGOMERY_255
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_PUBLIC_KEY_TWISTED_EDWARD
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_PUBLIC_KEY_TWISTED_EDWARD
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_TWISTED_EDWARDS=y
							      >	CONFIG_PSA_NEED_CRACEN_KEY_TYPE_ECC_TWISTED_EDWARDS_255=y
							      >	CONFIG_PSA_NEED_CRACEN_KMU_DRIVER=y
							      >	CONFIG_PSA_NEED_CRACEN_PURE_EDDSA_TWISTED_EDWARDS=y
							      >	CONFIG_PSA_NEED_CRACEN_PURE_EDDSA_TWISTED_EDWARDS_255=y
							      >	CONFIG_PSA_NEED_CRACEN_SHA_512=y
							      >	CONFIG_PSA_USE_CRACEN_ASYMMETRIC_ENCRYPTION_DRIVER=y
							      >	CONFIG_PSA_USE_CRACEN_ASYMMETRIC_SIGNATURE_DRIVER=y
							      >	CONFIG_PSA_USE_CRACEN_CTR_DRBG_DRIVER=y
							      >	CONFIG_PSA_USE_CRACEN_HASH_DRIVER=y
							      >	CONFIG_PSA_USE_CRACEN_KEY_MANAGEMENT_DRIVER=y
							      >	CONFIG_PSA_WANT_AES_KEY_SIZE_128=y
							      >	CONFIG_PSA_WANT_AES_KEY_SIZE_192=y
							      >	CONFIG_PSA_WANT_AES_KEY_SIZE_256=y
							      >	CONFIG_PSA_WANT_ALG_CMAC=y
							      >	CONFIG_PSA_WANT_ALG_ECB_NO_PADDING=y
							      >	CONFIG_PSA_WANT_ALG_GCM=y
							      >	CONFIG_PSA_WANT_ALG_PURE_EDDSA=y
							      >	CONFIG_PSA_WANT_ALG_SHA_512=y
							      >	CONFIG_PSA_WANT_ALG_SP800_108_COUNTER_CMAC=y
							      >	CONFIG_PSA_WANT_ECC_MONTGOMERY_255=y
							      >	CONFIG_PSA_WANT_ECC_TWISTED_EDWARDS_255=y
							      >	CONFIG_PSA_WANT_KEY_TYPE_AES=y
							      >	CONFIG_PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC=y
							      >	CONFIG_PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT=y
							      >	CONFIG_PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY=y
							      >	CONFIG_TC_PROVIDES_POSIX_C_LANG_SUPPORT_R=y
							      >	CONFIG_THREAD_LOCAL_STORAGE=y

./sample-artifacts-meta/twister-out/nrf54l15dk_nrf54l10_cpuapp/zephyr/sidewalk/samples/sid_end_device/sample.sidewalk.demo.lr1110/zephyr/.config
old                                                           | new
SB_CONFIG_BOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-side |	SB_CONFIG_BOOT_IMG_HASH_ALG_SHA512=y
SB_CONFIG_BOOT_SIGNATURE_TYPE_RSA=y			      |	SB_CONFIG_BOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-side
							      >	SB_CONFIG_BOOT_SIGNATURE_TYPE_ED25519=y
							      >	SB_CONFIG_CRACEN_MICROCODE_LOAD_MCUBOOT=y
							      >	SB_CONFIG_CRACEN_MICROCODE_LOAD_ONCE=y
							      >	SB_CONFIG_MCUBOOT_GENERATE_DEFAULT_KEY_FILE=y
							      >	SB_CONFIG_MCUBOOT_SIGNATURE_USING_KMU=y
SB_CONFIG_PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY=y		      <
SB_CONFIG_SIGNATURE_TYPE="RSA"				      |	SB_CONFIG_SIGNATURE_TYPE="ED25519"

./sample-artifacts-meta/twister-out/nrf54l15dk_nrf54l10_cpuapp/zephyr/sidewalk/samples/sid_end_device/sample.sidewalk.demo.lr1110/sid_end_device/zephyr/.config
old                                                           | new
CONFIG_CRACEN_LOAD_MICROCODE=y				      <
CONFIG_EXPERIMENTAL=y					      <
							      >	CONFIG_MCUBOOT_BOOTLOADER_SIGNATURE_TYPE_ED25519=y
							      >	CONFIG_MCUBOOT_BOOTLOADER_USES_SHA512=y
CONFIG_MCUBOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-side |	CONFIG_MCUBOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-side
CONFIG_ROM_END_OFFSET=0x1a0				      |	CONFIG_ROM_END_OFFSET=0xe0
							      >	CONFIG_SIDEWALK_CRYPTO_PSA_KEY_STORAGE_KMU=y
							      >	CONFIG_SIDEWALK_CRYPTO_PSA_KEY_STORAGE_KMU_SLOT_START=173

./sample-artifacts-meta/twister-out/nrf54l15dk_nrf54l10_cpuapp/zephyr/sidewalk/samples/sid_end_device/sample.sidewalk.hello.ble_only/mcuboot/zephyr/.config
old                                                           | new
CONFIG_APP_LINK_WITH_MBEDTLS=y				      <
							      >	CONFIG_BOOT_ED25519_PSA=y
							      >	CONFIG_BOOT_ED25519_PSA_DEPENDENCIES=y
CONFIG_BOOT_IMG_HASH_ALG_SHA256=y			      <
							      >	CONFIG_BOOT_IMG_HASH_ALG_SHA512=y
							      >	CONFIG_BOOT_IMG_HASH_ALG_SHA512_ALLOW=y
							      >	CONFIG_BOOT_PSA_IMG_HASH_ALG_SHA512_DEPENDENCIES=y
CONFIG_BOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-sidewal |	CONFIG_BOOT_SIGNATURE_KEY_FILE="/__w/sdk-sidewalk/sdk-sidewal
CONFIG_BOOT_SIGNATURE_TYPE_RSA=y			      |	CONFIG_BOOT_SIGNATURE_KMU_SLOTS=1
CONFIG_BOOT_SIGNATURE_TYPE_RSA_LEN=2048			      |	CONFIG_BOOT_SIGNATURE_TYPE_ED25519=y
CONFIG_BOOT_SOMETHING_USES_SHA256=y			      |	CONFIG_BOOT_SIGNATURE_TYPE_PURE_ALLOW=y
							      >	CONFIG_BOOT_SIGNATURE_USING_KMU=y
							      >	CONFIG_BOOT_SOMETHING_USES_SHA512=y
CONFIG_BOOT_USE_MBEDTLS=y				      |	CONFIG_BOOT_USE_PSA_CRYPTO=y
CONFIG_CBPRINTF_COMPLETE=y				      <
CONFIG_CBPRINTF_N_SPECIFIER=y				      |	CONFIG_CBPRINTF_NANO=y
CONFIG_COMMON_LIBC_ASCTIME=y				      <
CONFIG_COMMON_LIBC_ASCTIME_R=y				      <
CONFIG_COMMON_LIBC_CTIME=y				      <
CONFIG_COMMON_LIBC_CTIME_R=y				      <
CONFIG_COMMON_LIBC_GMTIME_R=y				      <
CONFIG_COMMON_LIBC_LOCALTIME_R_UTC=y			      <
CONFIG_COMMON_LIBC_STRNLEN=y				      <

Configuration diff too long to fit. Check file in artifacts.

LuDuda
LuDuda approved these changes Jul 16, 2026
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This is awesome! Looks perfect for me 👍

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@LuDuda LuDuda LuDuda approved these changes
@annwoj annwoj Awaiting requested review from annwoj

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doc-required PR must not be merged without tech writer approval. source PR changing src files tests

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@Damian-Nordic @LuDuda