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Extract RSA modulus along with exponent

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dmiller 2017-10-18 20:26:38 +00:00
parent 752beebe45
commit c72e3ac0d9
1 changed files with 13 additions and 2 deletions
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15
nse_ssl_cert.cc
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@ -648,17 +648,28 @@ static int parse_ssl_cert(lua_State *L, X509 *cert)
#endif
if (pkey_type == EVP_PKEY_RSA) {
RSA *rsa = EVP_PKEY_get1_RSA(pubkey);
/* exponent */
bignum_data_t * data = (bignum_data_t *) lua_newuserdata( L, sizeof(bignum_data_t));
luaL_getmetatable( L, "BIGNUM" );
lua_setmetatable( L, -2 );
#if HAVE_OPAQUE_STRUCTS
const BIGNUM *n, *e, *d;
RSA_get0_key(rsa, &n, &e, &d);
const BIGNUM *n, *e;
RSA_get0_key(rsa, &n, &e, NULL);
data->bn = (BIGNUM*) e;
#else
data->bn = rsa->e;
#endif
lua_setfield(L, -2, "exponent");
/* modulus */
data = (bignum_data_t *) lua_newuserdata( L, sizeof(bignum_data_t));
luaL_getmetatable( L, "BIGNUM" );
lua_setmetatable( L, -2 );
#if HAVE_OPAQUE_STRUCTS
data->bn = (BIGNUM*) n;
#else
data->bn = rsa->n;
#endif
lua_setfield(L, -2, "modulus");
}
lua_pushstring(L, pkey_type_to_string(pkey_type));
lua_setfield(L, -2, "type");