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Code Issues Releases Wiki Activity

Refactor const.go

This commit is contained in:
Filippo Valsorda 2019-01-20 17:36:31 -05:00
parent 8264e09462
commit 6140fa2e7b
4 changed files with 16 additions and 20 deletions
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30
internal/edwards25519/const.go
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@ -1,19 +1,13 @@
// Copyright 2019 The Go Authors. All rights reserved.
// Copyright 2019 George Tankersley. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package edwards25519
import (
"math/big"
"sync"
. "github.com/gtank/ristretto255/internal/edwards25519/internal/edwards25519"
)
import "math/big"
var (
CONST_SQRT_M1, _ = new(big.Int).SetString("19681161376707505956807079304988542015446066515923890162744021073123829784752", 10)
CONST_SQRT_AD_MINUS_ONE, _ = new(big.Int).SetString("25063068953384623474111414158702152701244531502492656460079210482610430750235", 10)
CONST_INVSQRT_A_MINUS_D, _ = new(big.Int).SetString("54469307008909316920995813868745141605393597292927456921205312896311721017578", 10)
CONST_ONE_MINUS_D_SQ, _ = new(big.Int).SetString("1159843021668779879193775521855586647937357759715417654439879720876111806838", 10)
CONST_D_MINUS_ONE_SQ, _ = new(big.Int).SetString("40440834346308536858101042469323190826248399146238708352240133220865137265952", 10)
SQRT_M1 FieldElement
SQRT_AD_MINUS_ONE FieldElement
INVSQRT_A_MINUS_D FieldElement
@ -21,13 +15,15 @@ var (
D_MINUS_ONE_SQ FieldElement
)
var once sync.Once
func init() {
once.Do(initConstants)
}
var (
CONST_SQRT_M1, _ = new(big.Int).SetString("19681161376707505956807079304988542015446066515923890162744021073123829784752", 10)
CONST_SQRT_AD_MINUS_ONE, _ = new(big.Int).SetString("25063068953384623474111414158702152701244531502492656460079210482610430750235", 10)
CONST_INVSQRT_A_MINUS_D, _ = new(big.Int).SetString("54469307008909316920995813868745141605393597292927456921205312896311721017578", 10)
CONST_ONE_MINUS_D_SQ, _ = new(big.Int).SetString("1159843021668779879193775521855586647937357759715417654439879720876111806838", 10)
CONST_D_MINUS_ONE_SQ, _ = new(big.Int).SetString("40440834346308536858101042469323190826248399146238708352240133220865137265952", 10)
)
func initConstants() {
feFromBig(&SQRT_M1, CONST_SQRT_M1)
feFromBig(&SQRT_AD_MINUS_ONE, CONST_SQRT_AD_MINUS_ONE)
feFromBig(&INVSQRT_A_MINUS_D, CONST_INVSQRT_A_MINUS_D)

2
internal/edwards25519/fe.go
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@ -1,4 +1,4 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Copyright 2019 The Go Authors. All rights reserved.
// Copyright 2019 George Tankersley. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

2
internal/edwards25519/xcrypto.go
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@ -1,4 +1,4 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Copyright 2019 The Go Authors. All rights reserved.
// Copyright 2019 George Tankersley. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

2
ristretto255.go
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@ -1,4 +1,4 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Copyright 2019 The Go Authors. All rights reserved.
// Copyright 2019 George Tankersley. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.