Fix creating and validating EdDSA signatures
Revert parts of commit c3b8130f which inadvertently broke creating and validating EdDSA signatures: 1. EVP_DigestSignInit() returns 1 on success. 2. EdDSA does not support streaming (EVP_Digest*Update() followed by EVP_Digest*Final()), only one shot operations.
fix-eddsa-signatures-creation-and-validation in 12 minutes and 58 seconds (queued for 5 seconds)27 jobs for