ASN1: add test cases for latest changes
ASN1: add test cases for latest changes

phpseclib/phpseclib,thaigialai1987/phpseclib,splitice/phpseclib,terrafrost/phpseclib,kenichiii/phpseclib,creatuity/phpseclib,melya/phpseclib,paragonie-scott/phpseclib,danog/phpseclib,metaclassing/phpseclib,creatuity/phpseclib,metaclassing/phpseclib,paragonie-scott/phpseclib,splitice/phpseclib,thaigialai1987/phpseclib,danog/phpseclib,kenichiii/phpseclib,melya/phpseclib