Simon Ratner created MYNEWT-523:
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Summary: boot - boot loader with BOOTUTIL_SIGN_RSA/EC is too large
Key: MYNEWT-523
URL: https://issues.apache.org/jira/browse/MYNEWT-523
Project: Mynewt
Issue Type: Bug
Components: Bootloader
Affects Versions: v1_0_0_beta1
Reporter: Simon Ratner
Assignee: Marko Kiiskila
With image signatures enabled, boot loader weighs in at ~25kB, which is too big
for both the nrf51 and nrf52. Even disabling most of mbedtls and only keeping
minimum required features still comes to ~20kB.
Without signature support, boot loader is ~12kB.
Maybe consider secp256r1 with tinycrypt as an option for smaller footprint?
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