tls_signer_key
tls_sign_rsa(struct tls_signer *signer, struct tls_signer_key *skey,
tls_sign_ecdsa(struct tls_signer *signer, struct tls_signer_key *skey,
struct tls_signer_key *skey;
struct tls_signer_key *next;
struct tls_signer_key *keys;
struct tls_signer_key *skey;
struct tls_signer_key *skey = NULL;