[ECDSA_DS-836] Signatures with Invalid r and s Values Are Incorrectly Accepted

Affected revisions: v0.0

Description

When the signature {r = 0 or n, s = 0 or n} with invalid r and s values is submitted to the ECDSA_DS peripheral against any message and public key, the peripheral incorrectly reports the signature as “valid”.

Workarounds

Use RSA_DS Secure Boot instead of ECDSA_DS Secure Boot.

Solution

No fix scheduled.