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add round trip test

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This commit is contained in:
Michael Kirk 2019-07-16 15:47:41 -06:00
parent 42b0a9d58e
commit 22bb3def95
1 changed files with 62 additions and 0 deletions
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62
SignalMetadataKitTests/src/SMKSenderCertificateTest.swift
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@ -159,6 +159,68 @@ class SMKSenderCertificateTest: XCTestCase {
}
}
func test_losslessRoundTrip() {
// To test a hypothetical addition of a new field:
//
// Step 1: tempororarily add a new field to the .proto.
//
// index 537f8df..82e9263 100644
// --- a/protobuf/OWSUnidentifiedDelivery.proto
// +++ b/protobuf/OWSUnidentifiedDelivery.proto
// @@ -40,6 +40,7 @@ message SenderCertificate {
// optional bytes identityKey = 4;
// // @required
// optional ServerCertificate signer = 5;
// + optional string someFakeField = 999;
// }
//
// Step 2: Serialize and print out the new fixture data (uncomment the following)
//
// let serverKey = Curve25519.generateKeyPair()
// let key = Curve25519.generateKeyPair()
// let signer = try! getServerCertificate(serverKey: serverKey)
// let builder = try! SMKProtoSenderCertificateCertificate.builder(sender: "+14152222222",
// senderDevice: 1,
// expires: 31337,
// identityKey: key.ecPublicKey().serialized,
// signer: signer)
// builder.setSomeFakeField("crashing right down")
//
// print("<SNIP>")
// let serializedCertificateData = try! builder.buildSerializedData()
// let certificateDataEncoded = serializedCertificateData.base64EncodedString()
// print("let certificateDataEncoded = \"\(certificateDataEncoded)\"")
//
// let certificateSignatureEncoded = try! Ed25519.sign(serializedCertificateData, with: serverKey).base64EncodedString()
// print("let certificateSignatureEncoded = \"\(certificateSignatureEncoded)\"")
//
// let trustRootPublicKeyDataEncoded = try! trustRoot.ecPublicKey().serialized.base64EncodedString()
// print("let trustRootPublicKeyDataEncoded = \"\(trustRootPublicKeyDataEncoded)\"")
// print("</SNIP>")
// Step 3: update the following *Encoded fixture data with the new values from above.
let certificateDataEncoded = "CgwrMTQxNTIyMjIyMjIQARlpegAAAAAAACIhBdyYGjVpE02g7CUlCvGNElHZNZmGy3Xhh5y+TuPh6dQIKmkKJQgBEiEFeszl2BGIxS95K+anx30GX6+Tgoqp70/aWKNEkH/5TGkSQPbz1mzKfidiWTuT8pRdnYYchEnL+ln5i/mVq5JP1MzzmqVnx8bzkFhfT4EGYSDY5rQoVfb5JnV0Kf3Aavdkd426PhNjcmFzaGluZyByaWdodCBkb3du"
let certificateSignatureEncoded = "Ii8DBO6yapzQwc0kJ6M5EhuFsgHccjlzFSJow408O1tceRVZiYGpR5MZO1SBgKHH2GEayiBNpvayFIL2i4POig=="
let trustRootPublicKeyDataEncoded = "BanGdQtiGO0KYbSu/rBz3MZvO+LGkjGVceXfmQV8eNwM"
let certificateData = Data(base64Encoded: certificateDataEncoded)!
let certificateSignature = Data(base64Encoded: certificateSignatureEncoded)!
let trustRootPublicKeyData = Data(base64Encoded: trustRootPublicKeyDataEncoded)!
// The rest of the test should be stable.
let senderCertificateData = try! SMKProtoSenderCertificate.builder(certificate: certificateData,
signature: certificateSignature)
.buildSerializedData()
let senderCertificate = try! SMKSenderCertificate(serializedData: senderCertificateData)
let stableTrustRoot = try! ECPublicKey(serializedKeyData: trustRootPublicKeyData)
let certificateValidator = SMKCertificateDefaultValidator(trustRoot: stableTrustRoot)
XCTAssertNoThrow(try certificateValidator.throwswrapped_validate(senderCertificate: senderCertificate,
validationTime: 31336))
}
// MARK: - Utils
// private SignalProtos.ServerCertificate getServerCertificate(ECKeyPair serverKey) throws InvalidKeyException, InvalidCertificateException {