signalapp/SignalMetadataKit
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Merge branch 'mlin/PR/ZeroedAccessKey' into feature/SignalClient-adoption

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This commit is contained in:
Michelle Linington 2021-08-04 17:08:53 -07:00
commit 7e59c7e818
1 changed files with 7 additions and 0 deletions
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7
SignalMetadataKit/src/SMKUDAccessKey.swift
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@ -61,4 +61,11 @@ public class SMKUDAccessKey: NSObject {
guard let other = object as? SMKUDAccessKey else { return false }
return self.keyData == other.keyData
}
// Unrestricted UD recipients should have a zeroed access key sent to the multi-recipient endpoint
// For a collection of mixed recipients, a zeroed key will have no effect composing keys with xor
// For a collection of only unrestricted UD recipients, the server expects a zero access key
public static var zeroedKey: SMKUDAccessKey {
.init(keyData: Data(repeating: 0, count: kUDAccessKeyLength))
}
}