Additional steps for attestation encryption contract

For the contract with attestation encryption, perform the following additional steps:

1. Generate the private key by running the following command:

   openssl genrsa -out attestation_private_key.pem 1024

2. Generate the public key by running the following command:

   openssl rsa -in attestation_private_key.pem -pubout > attestation_public_key.pub

3. Share the attestation_public_key.pub with the Data Owner to use it in the final contract.