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Add Oblivious DNS over HTTPS (ODoH) implementation according to RFC 9230 #41

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Add Oblivious DNS over HTTPS (ODoH) implementation according to RFC 9230 #41

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d68e03e
Adding the ODoH types
yigityazicilar Aug 13, 2025
44c849e
Add conversion between Swift ODoH types and network representation
yigityazicilar Aug 13, 2025
a0d9764
Add ODoH encryptQuery and aad
yigityazicilar Aug 13, 2025
bb4f292
Add ODoH decryptResponse and deriveSecrets
yigityazicilar Aug 13, 2025
ee01ac5
Add ODoH decryptQuery
yigityazicilar Aug 13, 2025
eb832d1
Add ODoH encryptResponse and roundtrip test
yigityazicilar Aug 13, 2025
74afb59
Add DocC example usage commands
yigityazicilar Aug 13, 2025
06cc3c9
Update and add license headers
yigityazicilar Aug 13, 2025
eb13345
FoundationEssentials dance
yigityazicilar Aug 19, 2025
cfe3255
Apply suggestion from @Lukasa
yigityazicilar Aug 19, 2025
67db8f1
Refactor ODoH implementation to separate package and fix parsing issues
yigityazicilar Aug 20, 2025
19a5305
fix: FoundationEssentials does not import Math functions after Swift …
yigityazicilar Aug 20, 2025
1fed805
refactor: move shared cryptographic helpers into new ObliviousXHelper…
yigityazicilar Aug 20, 2025
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21 changes: 20 additions & 1 deletion Sources/ObliviousX/Errors.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2023 Apple Inc. and the SwiftNIO project authors
// Copyright (c) 2025 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
Expand All @@ -11,6 +11,7 @@
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import Foundation
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@Lukasa Lukasa Aug 15, 2025

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This import seems unnecessary.


/// An error occured when adding oblivious encapsulation.
public struct ObliviousXError: Error, Hashable {
Expand All @@ -26,10 +27,28 @@ public struct ObliviousXError: Error, Hashable {
public static func unsupportedHPKEParameters() -> ObliviousXError {
Self.init(backing: .unsupportedHPKEParameters)
}

@inline(never)
public static func invalidODoHData() -> ObliviousXError {
Self.init(backing: .invalidODoHData)
}

@inline(never)
public static func invalidMessageType(expected: UInt8, actual: UInt8) -> ObliviousXError {
Self.init(backing: .invalidMessageType(expected, actual))
}

@inline(never)
public static func invalidPublicKey(kemID: UInt16, key: Data) -> ObliviousXError {
Self.init(backing: .invalidPublicKey(kemID, key))
}
}

extension ObliviousXError {
enum Backing: Hashable, Sendable {
case unsupportedHPKEParameters
case invalidODoHData
case invalidMessageType(UInt8, UInt8)
case invalidPublicKey(UInt16, Data)
}
}
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