sys/psa_crypto: Adding hmac hashing on psa_import_key and fix max hmac key size#21297
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Nice, thanks for finding and fixing! Just two suggestions below.
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This needs another rebase after #21303 is in. |
Update sys/psa_crypto/psa_crypto_algorithm_dispatch.c Co-authored-by: mguetschow <[email protected]>
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Looks like you need to run I wonder how that ever fit on the tiny AVR :) |
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Contribution description
This PR adds hashing functionality to psa_import_key. According to the PSA Certified Crypto API:
In addition, [RFC2104] §2 states that when using keys longer than the hash block size, the key must be hashed.
Finally, the
CONFIG_PSA_MAX_KEY_SIZEvalue has been corrected.Testing procedure
A test is provided with a 128 Byte key.
Issues/PRs references
This PR follows up on #20758.