HMAC/HKDF-SHA512 support basics #2299
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MCUboot now runs and boots up macs? 😆 |
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Information on TLV and format. Signed-off-by: Dominik Ermel <[email protected]>
Add support for HKDF/HMAC based on SHA512 for ECIES-X25519 key exchange. The commit adds MCUBOOT_HMAC_SHA512 that enables new TLV IMAGE_TLV_ENC_X25519_SHA512. Encryption code has been altered to support the MCUBOOT_HMAC_SHA512. Signed-off-by: Dominik Ermel <[email protected]>
The commit addds CONFIG_BOOT_HMAC_SHA512 that enables MCUboot configuration option MCUBOOT_HMAC_SHA512, that is used for switching HKDF/HMAC in ECIES key exchange to SHA512, from default SHA256. This option, currently, is only available for ECIES-X25519 with PSA as crypto backend. Signed-off-by: Dominik Ermel <[email protected]>
Commit adds imgtool command line option --hmac-sha allowing to select between SHA256 and SHA512 for HMAC/HKDF. Signed-off-by: Dominik Ermel <[email protected]>
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