const struct ssh_signkey *ec_alg_by_oid(int len, const void *oid,
const struct ec_curve **curve);
const unsigned char *ec_alg_oid(const struct ssh_signkey *alg, int *oidlen);
+extern const int ec_nist_curve_lengths[], n_ec_nist_curve_lengths;
const int ec_nist_alg_and_curve_by_bits(int bits,
const struct ec_curve **curve,
const struct ssh_signkey **alg);