p256PrecomputedEmbed. var p256GeneratorTables *[43]p256AffineTable func init() { p256GeneratorTablesP := unsafe.Pointer(&p256PrecomputedEmbed) if cpu.BigEndian { var newTable [43 * 32 * 2 * 4]uint64 for i, x := range (*[43 * 32 * 2 * 4][8]byte)(p256GeneratorTablesP) { newTable[i] = byteorder.LEUint64(x[:]) } p256GeneratorTablesP = unsafe.Pointer(&newTable) } p256GeneratorTables = (*[43]p256AffineTable)(p256GeneratorTablesP) } func boothW6(in uint64) (uint8, int) { s := ^((in >> 6) - 1) d := (1 << 7) - in - 1...