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Copy pathsmp_msg3_test.go
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smp_msg3_test.go
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package otr3
import (
"math/big"
"testing"
)
func Test_generateSMP3_generatesLongerValuesForR4WithProtocolV3(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
smp, err := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.r4, fixtureLong1)
assertDeepEquals(t, err, nil)
}
func Test_generateSMP3_generatesLongerValuesForR5WithProtocolV3(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.r5, fixtureLong2)
}
func Test_generateSMP3_generatesLongerValuesForR6WithProtocolV3(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.r6, fixtureLong3)
}
func Test_generateSMP3_generatesLongerValuesForR7WithProtocolV3(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.r7, fixtureLong4)
}
func Test_generateSMP3_generatesShorterValuesForR4WithProtocolV2(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.r4, fixtureShort1)
}
func Test_generateSMP3_computesPaCorrectly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.pa, fixtureMessage3().pa)
}
func Test_generateSMP3_computesQaCorrectly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.qa, fixtureMessage3().qa)
}
func Test_generateSMP3_computesPaPbCorrectly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.papb, fixtureSmp3().papb)
}
func Test_generateSMP3_computesQaQbCorrectly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.qaqb, fixtureSmp3().qaqb)
}
func Test_generateSMP3_storesG3b(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.g3b, fixtureMessage2().g3b)
}
func Test_generateSMP3_computesCPCorrectly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.cp, fixtureMessage3().cp)
}
func Test_generateSMP3_computesD5Correctly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.d5, fixtureMessage3().d5)
}
func Test_generateSMP3_computesD6Correctly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.d6, fixtureMessage3().d6)
}
func Test_generateSMP3_computesRaCorrectly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.ra, fixtureMessage3().ra)
}
func Test_generateSMP3_computesCrCorrectly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.cr, fixtureMessage3().cr)
}
func Test_generateSMP3_computesD7Correctly(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
smp, _ := otr.generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, smp.msg.d7, fixtureMessage3().d7)
}
func Test_generateSMP3Parameters_returnsAnErrorIfThereIsntRandomnessToGenerate_r4(t *testing.T) {
_, err := newConversation(otrV2{}, fixedRand([]string{
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b",
})).generateSMP3Parameters()
assertDeepEquals(t, err, errShortRandomRead)
}
func Test_generateSMP3Parameters_returnsAnErrorIfThereIsntRandomnessToGenerate_r5(t *testing.T) {
_, err := newConversation(otrV2{}, fixedRand([]string{
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b",
})).generateSMP3Parameters()
assertDeepEquals(t, err, errShortRandomRead)
}
func Test_generateSMP3Parameters_returnsAnErrorIfThereIsntRandomnessToGenerate_r6(t *testing.T) {
_, err := newConversation(otrV2{}, fixedRand([]string{
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b",
})).generateSMP3Parameters()
assertDeepEquals(t, err, errShortRandomRead)
}
func Test_generateSMP3Parameters_returnsAnErrorIfThereIsntRandomnessToGenerate_r7(t *testing.T) {
_, err := newConversation(otrV2{}, fixedRand([]string{
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b",
})).generateSMP3Parameters()
assertDeepEquals(t, err, errShortRandomRead)
}
func Test_generateSMP3Parameters_returnsOKIfThereIsEnoughRandomnessToGenerateBlindingFactors(t *testing.T) {
_, err := newConversation(otrV2{}, fixedRand([]string{
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
})).generateSMP3Parameters()
assertDeepEquals(t, err, nil)
}
func Test_generateSMP3_returnsAnErrorIfThereIsNotEnoughRandomnessForBlinding(t *testing.T) {
_, err := newConversation(otrV2{}, fixedRand([]string{
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b8b",
"1a2a3a4a5a6a7a8a1b2b3b4b5b6b7b",
})).generateSMP3(fixtureSecret(), *fixtureSmp1(), fixtureMessage2())
assertDeepEquals(t, err, errShortRandomRead)
}
func Test_verifySMP3_failsIfPaIsNotInTheGroupForProtocolV3(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
err := otr.verifySMP3(fixtureSmp2(), smp3Message{pa: big.NewInt(1)})
assertDeepEquals(t, err, newOtrError("Pa is an invalid group element"))
}
func Test_verifySMP3_failsIfQaIsNotInTheGroupForProtocolV3(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
err := otr.verifySMP3(fixtureSmp2(), smp3Message{
pa: big.NewInt(2),
qa: big.NewInt(1),
})
assertDeepEquals(t, err, newOtrError("Qa is an invalid group element"))
}
func Test_verifySMP3_failsIfRaIsNotInTheGroupForProtocolV3(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
err := otr.verifySMP3(fixtureSmp2(), smp3Message{
pa: big.NewInt(2),
qa: big.NewInt(2),
ra: big.NewInt(1),
})
assertDeepEquals(t, err, newOtrError("Ra is an invalid group element"))
}
func Test_verifySMP3_succeedsForValidZKPS(t *testing.T) {
otr := newConversation(otrV3{}, fixtureRand())
err := otr.verifySMP3(fixtureSmp2(), fixtureMessage3())
assertDeepEquals(t, err, nil)
}
func Test_verifySMP3_failsIfCpIsNotAValidZKP(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
m := fixtureMessage3()
m.cp = sub(m.cp, big.NewInt(1))
err := otr.verifySMP3(fixtureSmp2(), m)
assertDeepEquals(t, err, newOtrError("cP is not a valid zero knowledge proof"))
}
func Test_verifySMP3_failsIfCrIsNotAValidZKP(t *testing.T) {
otr := newConversation(otrV2{}, fixtureRand())
m := fixtureMessage3()
m.cr = sub(m.cr, big.NewInt(1))
err := otr.verifySMP3(fixtureSmp2(), m)
assertDeepEquals(t, err, newOtrError("cR is not a valid zero knowledge proof"))
}