(PHP 4 >= 4.0.4, PHP 5, PHP 7)
openssl_get_publickey — 锟斤拷锟斤拷 openssl_pkey_get_public()
锟剿猴拷锟斤拷锟角该猴拷锟斤拷锟侥憋拷锟斤拷锟斤拷 openssl_pkey_get_public().