What were you trying to do that didn't work?

Setting one of `ecc521`, `ecc384`, `ecc256` or `ecc` in `tpm_encryption_alg` makes the agent to fail generating signed TPM quotes 

What is the impact of this issue to you?

The agent cannot generate TPM quote evidence to report to the verifier, making the whole Keylime solution to not work when TPM ECC keys are used 

Please provide the package NVR for which the bug is seen:

keylime-agent-rust-0.2.7-3.el10

How reproducible is this bug?:

Always

Steps to reproduce

1. Set any `ecc{521, 384, 256, }` to `tpm_encryption_alg`
2. Start the verifier, registrar, agent
3. Enroll the agent to be monitored by the verifier using the tenant

Expected results

The agent is successfully enrolled and the verifier successfully verify the provided attestation evidences (TPM quotes)

Actual results

The enrollment fails