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Add support for sending using a QR code

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closes #196
This commit is contained in:
Grishka
2025-08-07 04:59:01 +03:00
parent f75f5fb1f0
commit ad1c47012f
11 changed files with 426 additions and 27 deletions
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4
NearbyShare/NearbyConnection.swift
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@@ -44,6 +44,7 @@ class NearbyConnection{
private var clientSeq:Int32=0
private(set) var pinCode:String?
private(set) var authKey:SymmetricKey?
init(connection:NWConnection, id:String) {
self.connection=connection
@@ -340,7 +341,7 @@ class NearbyConnection{
if #available(macOS 11.0, *){
return HKDF<SHA256>.deriveKey(inputKeyMaterial: inputKeyMaterial, salt: salt, info: info, outputByteCount: outputByteCount)
}else{
return SymmetricKey(data: hkdfExpand(prk: hkdfExtract(salt: salt, ikm: inputKeyMaterial.withUnsafeBytes({return Data(bytes: $0.baseAddress!, count: $0.count)})), info: info, length: outputByteCount))
return SymmetricKey(data: hkdfExpand(prk: hkdfExtract(salt: salt, ikm: inputKeyMaterial.data()), info: info, length: outputByteCount))
}
}
@@ -369,6 +370,7 @@ class NearbyConnection{
let authString=NearbyConnection.hkdf(inputKeyMaterial: SymmetricKey(data: derivedSecretKey), salt: "UKEY2 v1 auth".data(using: .utf8)!, info: ukeyInfo, outputByteCount: 32)
let nextSecret=NearbyConnection.hkdf(inputKeyMaterial: SymmetricKey(data: derivedSecretKey), salt: "UKEY2 v1 next".data(using: .utf8)!, info: ukeyInfo, outputByteCount: 32)
authKey=authString
pinCode=NearbyConnection.pinCodeFromAuthKey(authString)
let salt:Data=Data([0x82, 0xAA, 0x55, 0xA0, 0xD3, 0x97, 0xF8, 0x83, 0x46, 0xCA, 0x1C,