Don't keep old message keys around

5 years ago · 5996bd9496
parent e9b4a100a1
commit 5996bd9496
1 changed files with 1 additions and 1 deletions
--- a/Groups/SharedSenderKeysImplementation.swift
+++ b/Groups/SharedSenderKeysImplementation.swift
@ -66,7 +66,7 @@ public final class SharedSenderKeysImplementation : NSObject {
        let nextMessageKey = try HMAC(key: Data(hex: ratchet.chainKey).bytes, variant: .sha256).authenticate([ UInt8(1) ])
        let nextChainKey = try HMAC(key: Data(hex: ratchet.chainKey).bytes, variant: .sha256).authenticate([ UInt8(2) ])
        let nextKeyIndex = ratchet.keyIndex + 1
-        return ClosedGroupRatchet(chainKey: nextChainKey.toHexString(), keyIndex: nextKeyIndex, messageKeys: ratchet.messageKeys + [ nextMessageKey.toHexString() ])
+        return ClosedGroupRatchet(chainKey: nextChainKey.toHexString(), keyIndex: nextKeyIndex, messageKeys: [ nextMessageKey.toHexString() ])
    }

    /// - Note: Sync. Don't call from the main thread.