kris/go-sike
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Adds KAT tests

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This commit is contained in:
Henry Case 2019-05-05 11:30:32 +01:00
джерело a50c2a0591
коміт a3214a4e0f
1 змінених файлів з 83 додано та 38 видалено
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121
sike_test.go
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@ -5,13 +5,16 @@ import (
"bytes"
"crypto/rand"
"encoding/hex"
"io"
"math/big"
"os"
"strings"
"testing"
)
var tdata = struct {
name string
katFile string
PrB_sidh string
PkB_sidh string
PkB_sike string
@ -20,6 +23,7 @@ var tdata = struct {
PkA_sike string
}{
name: "P-503",
katFile: "etc/PQCkemKAT_434.rsp",
PkB_sike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
PrB_sike: "80FC55DA74DEFE3113487B80841E678AF9ED4E0599CF07353A4AB93971C090A0" +
"A9402C9DC98AC6DC8F5FDE5E970AE22BA48A400EFC72851C",
@ -451,26 +455,7 @@ func TestNegativeKEMSameWrongResult(t *testing.T) {
}
}
func readAndCheckLine(r *bufio.Reader) []byte {
// Read next line from buffer
line, isPrefix, err := r.ReadLine()
if err != nil || isPrefix {
panic("Wrong format of input file")
}
// Function expects that line is in format "KEY = HEX_VALUE". Get
// value, which should be a hex string
hexst := strings.Split(string(line), "=")[1]
hexst = strings.TrimSpace(hexst)
// Convert value to byte string
ret, err := hex.DecodeString(hexst)
if err != nil {
panic("Wrong format of input file")
}
return ret
}
func testKeygenSIKE(pk, sk []byte, id uint8) bool {
func testKeygen(t *testing.T, pk, sk []byte) {
// Import provided private key
var prvKey = NewPrivateKey(KeyVariant_SIKE)
if prvKey.Import(sk) != nil {
@ -479,25 +464,9 @@ func testKeygenSIKE(pk, sk []byte, id uint8) bool {
// Generate public key
pubKey := prvKey.GeneratePublicKey()
return bytes.Equal(pubKey.Export(), pk)
}
func testDecapsulation(pk, sk, ct, ssExpected []byte, id uint8) bool {
var pubKey = NewPublicKey(KeyVariant_SIKE)
var prvKey = NewPrivateKey(KeyVariant_SIKE)
if pubKey.Import(pk) != nil || prvKey.Import(sk) != nil {
panic("sike test: can't load KAT")
if !bytes.Equal(pubKey.Export(), pk) {
t.Fatalf("KAT keygen form private failed\n")
}
ssGot, err := Decapsulate(prvKey, pubKey, ct)
if err != nil {
panic("sike test: can't perform degcapsulation KAT")
}
if err != nil {
return false
}
return bytes.Equal(ssGot, ssExpected)
}
func TestKeyAgreement(t *testing.T) {
@ -614,6 +583,82 @@ func TestDecapsulation(t *testing.T) {
}
}
func readAndCheckLine(r *bufio.Reader) []byte {
// Read next line from buffer
line, isPrefix, err := r.ReadLine()
if err != nil || isPrefix {
panic("Wrong format of input file")
}
// Function expects that line is in format "KEY = HEX_VALUE". Get
// value, which should be a hex string
hexst := strings.Split(string(line), "=")[1]
hexst = strings.TrimSpace(hexst)
// Convert value to byte string
ret, err := hex.DecodeString(hexst)
if err != nil {
panic("Wrong format of input file")
}
return ret
}
func TestKAT(t *testing.T) {
testDecapsulation := func(t *testing.T, pk, sk, ct, ssExpected []byte) {
var pubKey = NewPublicKey(KeyVariant_SIKE)
var prvKey = NewPrivateKey(KeyVariant_SIKE)
if pubKey.Import(pk) != nil || prvKey.Import(sk) != nil {
panic("sike test: can't load KAT")
}
ssGot, err := Decapsulate(prvKey, pubKey, ct)
if err != nil {
panic("sike test: can't perform degcapsulation KAT")
}
if (err != nil) || !bytes.Equal(ssGot, ssExpected) {
t.Fatalf("KAT decapsulation failed\n")
}
}
f, err := os.Open(tdata.katFile)
if err != nil {
t.Fatal(err)
}
r := bufio.NewReader(f)
for {
line, isPrefix, err := r.ReadLine()
if err != nil || isPrefix {
if err == io.EOF {
break
} else {
t.Fatal(err)
}
}
if len(strings.TrimSpace(string(line))) == 0 || line[0] == '#' {
continue
}
// count
_ = strings.Split(string(line), "=")[1]
// seed
_ = readAndCheckLine(r)
// pk
pk := readAndCheckLine(r)
// sk (secret key in test vector is concatenation of
// MSG + SECRET_BOB_KEY + PUBLIC_BOB_KEY. We use only MSG+SECRET_BOB_KEY
sk := readAndCheckLine(r)
sk = sk[:Params.MsgLen+int(Params.B.SecretByteLen)]
// ct
ct := readAndCheckLine(r)
// ss
ss := readAndCheckLine(r)
testKeygen(t, pk, sk)
testDecapsulation(t, pk, sk, ct, ss)
testKEMRoundTrip(t, pk, sk)
}
}
/* -------------------------------------------------------------------------
Benchmarking
-------------------------------------------------------------------------*/