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RTG-1339 Support post-quantum hybrid key exchange

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Func spec: https://wiki.cfops.it/x/ZcBKHw
This commit is contained in:
Bas Westerbaan
2022-08-24 14:33:10 +02:00
committed by Devin Carr
parent 3e0ff3a771
commit 11cbff4ff7
171 changed files with 15270 additions and 196 deletions
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9
vendor/golang.org/x/crypto/curve25519/curve25519.go generated vendored
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@@ -9,7 +9,8 @@ package curve25519 // import "golang.org/x/crypto/curve25519"
import (
"crypto/subtle"
"fmt"
"errors"
"strconv"
"golang.org/x/crypto/curve25519/internal/field"
)
@@ -124,10 +125,10 @@ func X25519(scalar, point []byte) ([]byte, error) {
func x25519(dst *[32]byte, scalar, point []byte) ([]byte, error) {
var in [32]byte
if l := len(scalar); l != 32 {
return nil, fmt.Errorf("bad scalar length: %d, expected %d", l, 32)
return nil, errors.New("bad scalar length: " + strconv.Itoa(l) + ", expected 32")
}
if l := len(point); l != 32 {
return nil, fmt.Errorf("bad point length: %d, expected %d", l, 32)
return nil, errors.New("bad point length: " + strconv.Itoa(l) + ", expected 32")
}
copy(in[:], scalar)
if &point[0] == &Basepoint[0] {
@@ -138,7 +139,7 @@ func x25519(dst *[32]byte, scalar, point []byte) ([]byte, error) {
copy(base[:], point)
ScalarMult(dst, &in, &base)
if subtle.ConstantTimeCompare(dst[:], zero[:]) == 1 {
return nil, fmt.Errorf("bad input point: low order point")
return nil, errors.New("bad input point: low order point")
}
}
return dst[:], nil