Padding flags for asymmetric encryption

OPENSSL_PKCS1_PADDING (int)

OPENSSL_SSLV23_PADDING (int)

OPENSSL_NO_PADDING (int)

OPENSSL_PKCS1_OAEP_PADDING (int)

OPENSSL_PKCS1_PSS_PADDING (int)

RSA-PSS padding. Available as of PHP 8.5.0.