tree 7c89e2b640116a2d7582b58a782f3b14fb5b8378
parent 29244a5227c52f710818acdb8d3aac756f742d38
author Manish V Badarkhe <Manish.Badarkhe@arm.com> 1695811064 +0100
committer Manish V Badarkhe <Manish.Badarkhe@arm.com> 1698306753 +0100

feat(mbedtls-psa): mbedTLS PSA Crypto with ECDSA

The ECDSA algorithm signature verification in the PSA differs
from the RSA algorithm in its handling of data formats. In the
case of RSA, an encoded ASN1.0 buffer is passed to the PSA API,
which then decodes the buffer. However, for ECDSA, the PSA API
expects a raw format.

To accomodate this requirement, introduce several static APIs
that allows to retrieve -

1. ECDSA public key data pointer along with its size, and also,
   the ECC family in PSA format from the public key.
2. R and S pair of the ECDSA signature along with its size

Change-Id: Icc7d5659aeb3d5c1ab63c3a12c001e68b11a3a86
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>