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crypto/elliptic: update P-521 docs to say it's constant-time

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This is true since CL 315274.

Also adjust the P-256 note, since Add, Double, and IsOnCurve use the
generic, non-constant-time implementation.

Change-Id: I4b3b340f65bce91dcca30bcf86456cc8ce4dd4bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/325650
Trust: Filippo Valsorda <filippo@golang.org>
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
Filippo Valsorda 2021-06-07 10:22:05 -04:00
parent 7406180012
commit 8212707871
1 changed files with 2 additions and 2 deletions
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4
src/crypto/elliptic/elliptic.go
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@ -455,7 +455,7 @@ func initP384() {
// Multiple invocations of this function will return the same value, so it can // Multiple invocations of this function will return the same value, so it can
// be used for equality checks and switch statements. // be used for equality checks and switch statements.
// //
// The cryptographic operations are implemented using constant-time algorithms. // ScalarMult and ScalarBaseMult are implemented using constant-time algorithms.
func P256() Curve { func P256() Curve {
initonce.Do(initAll) initonce.Do(initAll)
return p256 return p256
@ -479,7 +479,7 @@ func P384() Curve {
// Multiple invocations of this function will return the same value, so it can // Multiple invocations of this function will return the same value, so it can
// be used for equality checks and switch statements. // be used for equality checks and switch statements.
// //
// The cryptographic operations do not use constant-time algorithms. // The cryptographic operations are implemented using constant-time algorithms.
func P521() Curve { func P521() Curve {
initonce.Do(initAll) initonce.Do(initAll)
return p521 return p521