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#include <openssl/objects.h>
#include "ec.h"
#ifndef OPENSSL_NO_EC
EC_KEY *lsec_find_ec_key(lua_State *L, const char *str)
{
int nid;
lua_pushstring(L, "SSL:EC:CURVES");
lua_rawget(L, LUA_REGISTRYINDEX);
lua_pushstring(L, str);
lua_rawget(L, -2);
if (!lua_isnumber(L, -1))
return NULL;
nid = (int)lua_tonumber(L, -1);
return EC_KEY_new_by_curve_name(nid);
}
void lsec_load_curves(lua_State *L)
{
size_t i;
size_t size;
const char *name;
EC_builtin_curve *curves = NULL;
lua_pushstring(L, "SSL:EC:CURVES");
lua_newtable(L);
size = EC_get_builtin_curves(NULL, 0);
if (size > 0) {
curves = (EC_builtin_curve*)malloc(sizeof(EC_builtin_curve) * size);
EC_get_builtin_curves(curves, size);
for (i = 0; i < size; i++) {
name = OBJ_nid2sn(curves[i].nid);
if (name != NULL) {
lua_pushstring(L, name);
lua_pushnumber(L, curves[i].nid);
lua_rawset(L, -3);
}
switch (curves[i].nid) {
case NID_X9_62_prime256v1:
lua_pushstring(L, "P-256");
lua_pushnumber(L, curves[i].nid);
lua_rawset(L, -3);
break;
case NID_secp384r1:
lua_pushstring(L, "P-384");
lua_pushnumber(L, curves[i].nid);
lua_rawset(L, -3);
break;
case NID_secp521r1:
lua_pushstring(L, "P-521");
lua_pushnumber(L, curves[i].nid);
lua_rawset(L, -3);
break;
}
}
free(curves);
}
/* These are special so are manually added here */
#ifdef NID_X25519
lua_pushstring(L, "X25519");
lua_pushnumber(L, NID_X25519);
lua_rawset(L, -3);
#endif
#ifdef NID_X448
lua_pushstring(L, "X448");
lua_pushnumber(L, NID_X448);
lua_rawset(L, -3);
#endif
lua_rawset(L, LUA_REGISTRYINDEX);
}
void lsec_get_curves(lua_State *L)
{
lua_newtable(L);
lua_pushstring(L, "SSL:EC:CURVES");
lua_rawget(L, LUA_REGISTRYINDEX);
lua_pushnil(L);
while (lua_next(L, -2) != 0) {
lua_pop(L, 1);
lua_pushvalue(L, -1);
lua_pushboolean(L, 1);
lua_rawset(L, -5);
}
lua_pop(L, 1);
}
#else
void lsec_load_curves(lua_State *L)
{
// do nothing
}
void lsec_get_curves(lua_State *L)
{
lua_newtable(L);
}
#endif
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