/
otp_test.go
188 lines (173 loc) · 7.81 KB
/
otp_test.go
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package otp
import (
"encoding/hex"
"testing"
"github.com/stretchr/testify/assert"
)
func TestNewHOTP(t *testing.T) {
for _, algorithm := range []HashAlgorithm{HashAlgorithmSHA1, HashAlgorithmSHA256, HashAlgorithmSHA512} {
generator, err := NewHOTP(algorithm, nil, 6)
assert.NoError(t, err)
assert.IsType(t, &hotpManager{}, generator)
hotp := generator.(*hotpManager)
assert.NotNil(t, hotp.secret)
keySize, _ := algorithm.DefaultKeyByteSize()
assert.Len(t, hotp.secret, keySize)
}
}
func TestNewHOTPFailure(t *testing.T) {
if _, err := NewHOTP(-1, nil, 6); assert.Error(t, err) {
assert.Equal(t, "unknown hash algorithm", err.Error())
}
if _, err := NewHOTP(HashAlgorithmSHA1, nil, 0); assert.Error(t, err) {
assert.Equal(t, "invalid code digit", err.Error())
}
if _, err := NewHOTP(HashAlgorithmSHA1, nil, 10); assert.Error(t, err) {
assert.Equal(t, "invalid code digit", err.Error())
}
}
func TestHOTPGenerateRFC(t *testing.T) {
for _, testCase := range hotpTestMatrix {
secret, _ := hex.DecodeString(testCase.HexSecretString)
generator, err := NewHOTP(testCase.HashAlgorithm, secret, testCase.CodeDigits)
assert.NoError(t, err)
actual := generator.Generate(testCase.MovingFactor)
assert.Equal(t, testCase.Expected, actual)
}
}
func TestHOTPValidateRFC(t *testing.T) {
for _, testCase := range hotpTestMatrix {
secret, _ := hex.DecodeString(testCase.HexSecretString)
generator, err := NewHOTP(testCase.HashAlgorithm, secret, testCase.CodeDigits)
assert.NoError(t, err)
match := generator.Validate(testCase.MovingFactor, testCase.Expected)
assert.True(t, match)
}
}
func TestNewTOTP(t *testing.T) {
for _, algorithm := range []HashAlgorithm{HashAlgorithmSHA1, HashAlgorithmSHA256, HashAlgorithmSHA512} {
generator, err := NewTOTP(algorithm, nil, 6, 30, 0, 0)
assert.NoError(t, err)
assert.IsType(t, &totpManager{}, generator)
}
}
func TestNewTOTPFailure(t *testing.T) {
if _, err := NewTOTP(-1, nil, 6, 30, 0, 0); assert.Error(t, err) {
assert.Equal(t, "unknown hash algorithm", err.Error())
}
if _, err := NewTOTP(HashAlgorithmSHA1, nil, 0, 30, 0, 0); assert.Error(t, err) {
assert.Equal(t, "invalid code digit", err.Error())
}
if _, err := NewTOTP(HashAlgorithmSHA1, nil, 10, 30, 0, 0); assert.Error(t, err) {
assert.Equal(t, "invalid code digit", err.Error())
}
if _, err := NewTOTP(HashAlgorithmSHA1, nil, 6, 0, 0, 0); assert.Error(t, err) {
assert.Equal(t, "invalid time step", err.Error())
}
if _, err := NewTOTP(HashAlgorithmSHA1, nil, 6, 30, -1, 0); assert.Error(t, err) {
assert.Equal(t, "invalid look-backward value", err.Error())
}
if _, err := NewTOTP(HashAlgorithmSHA1, nil, 6, 30, 0, -1); assert.Error(t, err) {
assert.Equal(t, "invalid look-forward value", err.Error())
}
}
func TestTOTPGenerateRFC(t *testing.T) {
for _, testCase := range totpTestMatrix {
secret, _ := hex.DecodeString(testCase.HexSecretString)
generator, err := NewTOTP(testCase.HashAlgorithm, secret, testCase.CodeDigits, testCase.TimeStep, 0, 0)
assert.NoError(t, err)
actual := generator.Generate(testCase.Epoch)
assert.Equal(t, testCase.Expected, actual)
}
}
func TestTOTPValidateRFC(t *testing.T) {
for _, testCase := range totpTestMatrix {
secret, _ := hex.DecodeString(testCase.HexSecretString)
generator, err := NewTOTP(testCase.HashAlgorithm, secret, testCase.CodeDigits, testCase.TimeStep, 0, 0)
assert.NoError(t, err)
match := generator.Validate(testCase.Epoch, testCase.Expected)
assert.True(t, match)
}
}
func TestTOTPValidateBackwardForward(t *testing.T) {
secret, _ := hex.DecodeString("3132333435363738393031323334353637383930")
generator, err := NewTOTP(HashAlgorithmSHA1, secret, 8, 30, 1, 2)
assert.NoError(t, err)
match := generator.Validate(1234567900-90, "89005924")
assert.False(t, match)
match = generator.Validate(1234567900-60, "89005924")
assert.True(t, match)
match = generator.Validate(1234567900-30, "89005924")
assert.True(t, match)
match = generator.Validate(1234567900, "89005924")
assert.True(t, match)
match = generator.Validate(1234567900+30, "89005924")
assert.True(t, match)
match = generator.Validate(1234567900+60, "89005924")
assert.False(t, match)
}
type hotpTestVector struct {
HashAlgorithm HashAlgorithm
HexSecretString string
CodeDigits int
MovingFactor int64
Expected string
}
var hotpTestMatrix = []hotpTestVector{
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 0, "755224"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 1, "287082"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 2, "359152"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 3, "969429"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 4, "338314"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 5, "254676"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 6, "287922"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 7, "162583"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 8, "399871"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 6, 9, "520489"},
}
type totpTestVector struct {
HashAlgorithm HashAlgorithm
HexSecretString string
CodeDigits int
TimeStep int
Epoch int64
Expected string
}
var totpTestMatrix = []totpTestVector{
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 8, 30, 59, "94287082"},
{HashAlgorithmSHA256, "3132333435363738393031323334353637383930" +
"313233343536373839303132", 8, 30, 59, "46119246"},
{HashAlgorithmSHA512, "3132333435363738393031323334353637383930" +
"3132333435363738393031323334353637383930" +
"313233343536373839303132333435363738393031323334", 8, 30, 59, "90693936"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 8, 30, 1111111109, "07081804"},
{HashAlgorithmSHA256, "3132333435363738393031323334353637383930" +
"313233343536373839303132", 8, 30, 1111111109, "68084774"},
{HashAlgorithmSHA512, "3132333435363738393031323334353637383930" +
"3132333435363738393031323334353637383930" +
"313233343536373839303132333435363738393031323334", 8, 30, 1111111109, "25091201"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 8, 30, 1111111111, "14050471"},
{HashAlgorithmSHA256, "3132333435363738393031323334353637383930" +
"313233343536373839303132", 8, 30, 1111111111, "67062674"},
{HashAlgorithmSHA512, "3132333435363738393031323334353637383930" +
"3132333435363738393031323334353637383930" +
"313233343536373839303132333435363738393031323334", 8, 30, 1111111111, "99943326"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 8, 30, 1234567890, "89005924"},
{HashAlgorithmSHA256, "3132333435363738393031323334353637383930" +
"313233343536373839303132", 8, 30, 1234567890, "91819424"},
{HashAlgorithmSHA512, "3132333435363738393031323334353637383930" +
"3132333435363738393031323334353637383930" +
"313233343536373839303132333435363738393031323334", 8, 30, 1234567890, "93441116"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 8, 30, 2000000000, "69279037"},
{HashAlgorithmSHA256, "3132333435363738393031323334353637383930" +
"313233343536373839303132", 8, 30, 2000000000, "90698825"},
{HashAlgorithmSHA512, "3132333435363738393031323334353637383930" +
"3132333435363738393031323334353637383930" +
"313233343536373839303132333435363738393031323334", 8, 30, 2000000000, "38618901"},
{HashAlgorithmSHA1, "3132333435363738393031323334353637383930", 8, 30, 20000000000, "65353130"},
{HashAlgorithmSHA256, "3132333435363738393031323334353637383930" +
"313233343536373839303132", 8, 30, 20000000000, "77737706"},
{HashAlgorithmSHA512, "3132333435363738393031323334353637383930" +
"3132333435363738393031323334353637383930" +
"313233343536373839303132333435363738393031323334", 8, 30, 20000000000, "47863826"},
}