Fix incorrect OSSL_PKEY_PARAM_MAX_SIZE for ed25519 and ed448
Return 0 after cleanup in OPENSSL_init_crypto()
Cleanup the peer point formats on regotiation
Fix default digest to SHA256
Resolves: rhbz#1958045, rhbz#1952850, rhbz#1961687
Related: rhbz#1958033
Signed-off-by: Sahana Prasad <sahana@redhat.com>