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authenticate_test.go
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package otr3
import "testing"
func Test_StartAuthenticate_failsIfWeAreNotCurrentlyEncrypted(t *testing.T) {
c := newConversation(otrV3{}, fixtureRand())
c.msgState = plainText
_, e := c.StartAuthenticate("", []byte("hello world"))
assertEquals(t, e, errCantAuthenticateWithoutEncryption)
}
func Test_StartAuthenticate_failsIfThereIsntEnoughRandomness(t *testing.T) {
c := bobContextAfterAKE()
c.Rand = fixedRand([]string{"ABCD"})
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = alicePrivateKey
c.theirKey = bobPrivateKey.PublicKey()
_, e := c.StartAuthenticate("", []byte("hello world"))
assertEquals(t, e, errShortRandomRead)
}
func Test_StartAuthenticate_generatesAnSMPSecretFromTheSharedSecret(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = alicePrivateKey
c.theirKey = bobPrivateKey.PublicKey()
_, e := c.StartAuthenticate("", []byte("hello world"))
assertEquals(t, e, nil)
assertDeepEquals(t, c.smp.secret, bnFromHex("3D7264BD983B8CA53CB365444844816F7D2453580B552EEE45CD09CA13614A5"))
}
func Test_StartAuthenticate_generatesAndReturnsTheFirstSMPMessageToSend(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
msg, e := c.StartAuthenticate("", []byte("hello world"))
assertEquals(t, e, nil)
assertEquals(t, c.smp.state, smpStateExpect2{})
dec, _ := decode(encodedMessage(msg[0]))
_, messageBody, _ := c.parseMessageHeader(dec)
assertDeepEquals(t, len(messageBody), 1361)
}
func Test_StartAuthenticate_generatesAndSetsTheFirstMessageOnTheConversation(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.s1 = nil
_, _ = c.StartAuthenticate("", []byte("hello world"))
assertNotNil(t, c.smp.s1)
assertEquals(t, c.smp.s1.msg.hasQuestion, false)
assertEquals(t, c.smp.s1.msg.tlv().tlvType, tlvTypeSMP1)
}
func Test_StartAuthenticate_generatesAn1QMessageIfAQuestionIsGiven(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.s1 = nil
_, _ = c.StartAuthenticate("Where did we meet?", []byte("hello world"))
assertNotNil(t, c.smp.s1)
assertEquals(t, c.smp.s1.msg.hasQuestion, true)
assertEquals(t, c.smp.s1.msg.question, "Where did we meet?")
assertEquals(t, c.smp.s1.msg.tlv().tlvType, tlvTypeSMP1WithQuestion)
}
func Test_StartAuthenticate_generatesAnAbortMessageTLVIfWeAreInAnSMPStateAlready(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.s1 = nil
c.smp.state = smpStateExpect3{}
msg, e := c.StartAuthenticate("", []byte("hello world"))
assertEquals(t, e, nil)
dec, _ := decode(encodedMessage(msg[0]))
_, messageBody, _ := c.parseMessageHeader(dec)
assertDeepEquals(t, len(messageBody), 1369)
}
func Test_ProvideAuthenticationSecret_failsIfWeAreNotCurrentlyEncrypted(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = plainText
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.state = smpStateWaitingForSecret{msg: fixtureMessage1()}
_, e := c.ProvideAuthenticationSecret([]byte("hello world"))
assertEquals(t, e, errCantAuthenticateWithoutEncryption)
}
func Test_ProvideAuthenticationSecret_generatesAnSMPSecretFromTheSharedSecret(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.state = smpStateWaitingForSecret{msg: fixtureMessage1()}
_, e := c.ProvideAuthenticationSecret([]byte("hello world"))
assertEquals(t, e, nil)
assertDeepEquals(t, c.smp.secret, bnFromHex("3D7264BD983B8CA53CB365444844816F7D2453580B552EEE45CD09CA13614A5"))
}
func Test_ProvideAuthenticationSecret_failsAndAbortsIfWeAreNotWaitingForASecret(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.state = smpStateExpect3{}
_, e := c.ProvideAuthenticationSecret([]byte("hello world"))
assertEquals(t, e, errNotWaitingForSMPSecret)
}
func Test_ProvideAuthenticationSecret_continuesWithMessageProcessingIfInTheRightState(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.state = smpStateWaitingForSecret{msg: fixtureMessage1()}
msg, e := c.ProvideAuthenticationSecret([]byte("hello world"))
assertNil(t, e)
dec, _ := decode(encodedMessage(msg[0]))
_, messageBody, _ := c.parseMessageHeader(dec)
assertDeepEquals(t, len(messageBody), 2181)
}
func Test_ProvideAuthenticationSecret_setsTheNextMessageState(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.state = smpStateWaitingForSecret{msg: fixtureMessage1()}
_, e := c.ProvideAuthenticationSecret([]byte("hello world"))
assertNil(t, e)
assertDeepEquals(t, c.smp.state, smpStateExpect3{})
}
func Test_ProvideAuthenticationSecret_returnsFailureFromContinueSMP(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = plainText
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.state = smpStateWaitingForSecret{msg: fixtureMessage1()}
_, e := c.ProvideAuthenticationSecret([]byte("hello world"))
assertEquals(t, e, errCantAuthenticateWithoutEncryption)
}
func Test_AbortAuthentication_generatesSMPAbortMessage(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = encrypted
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
c.smp.state = smpStateWaitingForSecret{msg: fixtureMessage1()}
msgs, e := c.AbortAuthentication()
assertDeepEquals(t, c.smp.state, smpStateExpect1{})
assertNil(t, e)
dec, _ := decode(encodedMessage(msgs[0]))
_, messageBody, _ := c.parseMessageHeader(dec)
assertEquals(t, len(messageBody), 505)
}
func Test_AbortAuthentication_generatesErrorWhenNoEncryptedChannelExists(t *testing.T) {
c := bobContextAfterAKE()
c.msgState = plainText
c.ssid = [8]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}
c.ourCurrentKey = bobPrivateKey
c.theirKey = alicePrivateKey.PublicKey()
_, e := c.AbortAuthentication()
assertEquals(t, e, errCannotSendUnencrypted)
}