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crypto: atmel-ecc - add support for atecc608b

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Tested on hardware with an ATECC608B at 0x60. The device binds
successfully, passes the driver's sanity check, and registers the
ecdh-nist-p256 KPP algorithm.

The hardware ECDH path was also exercised using a minimal KPP test
module, covering private key generation, public key derivation, and
shared secret computation.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum 2026-04-12 11:56:43 +02:00 committed by Herbert Xu
parent fed613c123
commit b668edaf8d
1 changed files with 3 additions and 0 deletions
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3
drivers/crypto/atmel-ecc.c
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@ -372,6 +372,8 @@ static void atmel_ecc_remove(struct i2c_client *client)
static const struct of_device_id atmel_ecc_dt_ids[] = {
{
.compatible = "atmel,atecc508a",
}, {
.compatible = "atmel,atecc608b",
}, {
/* sentinel */
}
@ -381,6 +383,7 @@ MODULE_DEVICE_TABLE(of, atmel_ecc_dt_ids);
static const struct i2c_device_id atmel_ecc_id[] = {
{ "atecc508a" },
{ "atecc608b" },
{ }
};
MODULE_DEVICE_TABLE(i2c, atmel_ecc_id);