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Support codesigning in the firmware updater

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This commit provides a method to verify that firmware has been signed with a private key given its public key. The implementation uses ed25519-dalek as the signature verifier. An "ed25519" feature is required to enable the functionality. When disabled (the default), calling the firmware updater's verify method will return a failure.
This commit is contained in:
huntc
2023-01-06 22:21:39 +11:00
parent dbf7493708
commit b0529bc943
5 changed files with 382 additions and 18 deletions
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5
examples/boot/application/nrf/Cargo.toml
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@ -9,6 +9,7 @@ embassy-sync = { version = "0.1.0", path = "../../../../embassy-sync" }
embassy-executor = { version = "0.1.0", path = "../../../../embassy-executor", features = ["nightly", "integrated-timers"] }
embassy-time = { version = "0.1.0", path = "../../../../embassy-time", features = ["nightly"] }
embassy-nrf = { version = "0.1.0", path = "../../../../embassy-nrf", features = ["time-driver-rtc1", "gpiote", "nightly"] }
embassy-boot = { version = "0.1.0", path = "../../../../embassy-boot/boot" }
embassy-boot-nrf = { version = "0.1.0", path = "../../../../embassy-boot/nrf" }
embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
@ -19,3 +20,7 @@ embedded-hal = { version = "0.2.6" }
cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
cortex-m-rt = "0.7.0"
[features]
ed25519-dalek = ["embassy-boot/ed25519-dalek"]
ed25519-salty = ["embassy-boot/ed25519-salty"]