5.2.1.10. ECC MONTGOMERY-25519 Key Attestation Example

This project demonstrates ecc montogomery25519 key attestation and verification with ecc nist256 key using SSS API. Signing on montgomery public key is done with key in the big endian format inside secure element.

Refer - simw-top/sss/ex/attest_mont/ex_sss_mont_attest.c

Note

For twisted edward curve and montgomery 448 curve also the attestation signing is done with public key in big endian format.

5.2.1.10.1. Prerequisites

5.2.1.10.2. About the Example

This example reads a montgomery-25519 public key with attestation.

It uses the following APIs and data types:

5.2.1.10.3. Console output

If everything is successful, the output will be similar to: