22 lines
484 B
Go
22 lines
484 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
//go:build go1.13
|
|
|
|
package poly1305
|
|
|
|
import "math/bits"
|
|
|
|
func bitsAdd64(x, y, carry uint64) (sum, carryOut uint64) {
|
|
return bits.Add64(x, y, carry)
|
|
}
|
|
|
|
func bitsSub64(x, y, borrow uint64) (diff, borrowOut uint64) {
|
|
return bits.Sub64(x, y, borrow)
|
|
}
|
|
|
|
func bitsMul64(x, y uint64) (hi, lo uint64) {
|
|
return bits.Mul64(x, y)
|
|
}
|