Function openssl_cipher_list_str_from_cipher_list 

pub fn openssl_cipher_list_str_from_cipher_list(
    suites: &[CipherSuite],
) -> Option<String>

Available on crate feature boring only.

create an openssl cipher list str from the given CipherSuite

ref doc: https://docs.openssl.org/1.1.1/man1/ciphers/#tls-v13-cipher-suites