from nx_crypto_ec.c:100
static NX_CRYPTO_CONST HN_UBASE _nx_crypto_ec_secp224r1_b[] =
{
HN_ULONG_TO_UBASE(0x2355FFB4), HN_ULONG_TO_UBASE(0x270B3943),
HN_ULONG_TO_UBASE(0xD7BFD8BA), HN_ULONG_TO_UBASE(0x5044B0B7),
HN_ULONG_TO_UBASE(0xF5413256), HN_ULONG_TO_UBASE(0x0C04B3AB),
HN_ULONG_TO_UBASE(0xB4050A85)
};