I need to validate a digital signature (RSA256) using openssl_verify function. To validate digital signature, one of course needs to know a public key, which is provided to me in the form of PFX certificate. However, openssl_verify expects a so-called resource key identifier object as an input parameter, and it simply cannot use the key from PFX certificate directly. I was hoping that function blank" title="openssl_pkey_get_public">openssl_pk