enum {
    ACTION_SELF_SIGNED,
    ACTION_GENERATE_PRIVKEY,
    ACTION_CERT_INFO,
    ACTION_GENERATE_REQUEST,
    ACTION_GENERATE_CERTIFICATE,
    ACTION_VERIFY_CHAIN,
    ACTION_PRIVKEY_INFO,
    ACTION_UPDATE_CERTIFICATE,
    ACTION_TO_PKCS12,
    ACTION_PKCS12_INFO,
    ACTION_GENERATE_DH,
    ACTION_GET_DH,
    ACTION_CRL_INFO,
    ACTION_P7_INFO,
    ACTION_GENERATE_CRL,
    ACTION_VERIFY_CRL,
    ACTION_SMIME_TO_P7,
    ACTION_GENERATE_PROXY,
    ACTION_GENERATE_PKCS8,
    ACTION_PGP_INFO,
    ACTION_PGP_PRIVKEY_INFO,
    ACTION_RING_INFO,
    ACTION_REQUEST
};

#define TYPE_CRT 1
#define TYPE_CRQ 2

void certtool_version(void);