internal

Documentation

Index

• func Addc64(cin, a, b uint64) (ret, cout uint64)
• func Subc64(bIn, a, b uint64) (ret, bOut uint64)
• type Uint128
  • func Mul64(a, b uint64) (res Uint128)

Functions

func Addc64

func Addc64(cin, a, b uint64) (ret, cout uint64)

Adds 2 64bit digits in constant time. Returns result and carry (1 or 0)

func Subc64

func Subc64(bIn, a, b uint64) (ret, bOut uint64)

Substracts 2 64bit digits in constant time. Returns result and borrow (1 or 0)

Types

type Uint128

type Uint128 struct {
	H, L uint64
}

helper used for Uint128 representation

func Mul64

func Mul64(a, b uint64) (res Uint128)

Multiplies 2 64bit digits in constant time