Convert public key to PEM without phpseclib
Convert public key to PEM without phpseclib

Since the public key parameters and length are fixed, we don't need
a full fledged ASN.1 encoder class, and can hardcode those.

Signed-off-by: Floris Bos <c992daaf9aa5b160f021e876e7165f68a067b952@je-eigen-domein.nl>

shield-9/php-u2flib-server,Yubico/php-u2flib-server,shield-9/php-u2flib-server,Yubico/php-u2flib-server