crypto: atmel-ecc - clean up and improve ECDH comments

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Improve the kerneldoc for struct atmel_ecdh_ctx by removing the stale
"unsupported curves" wording, since the device only supports a single
curve (P-256), and move the set_secret() constraint to the description.

In atmel_ecdh_set_secret(), clarify that the device generates the
private key, and drop the redundant "only supports NIST P256" comment.

In atmel_ecdh_done() and atmel_ecdh_generate_public_key(), clarify the
truncation comments. Also note that a P-256 public key consists of two
32-byte coordinates in atmel_ecdh_compute_shared_secret(), and remove
the unnecessary fall-through comment and other redundant comments.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Thorsten Blum 2026-06-09 12:05:54 +02:00 • committed by Herbert Xu

parent 4c7a4a3404

commit 3e84fb698a

1 changed files with 14 additions and 24 deletions

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drivers/crypto/atmel-ecc.c

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