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Ask HN: Is RCS message on iOS end to end encrypted with Android devices?
- _mlbt 1y agoNo they are not. Google uses a proprietary extension to RCS to support end to end encryption that iOS doesn't support.
- tssva 1y agoGSMA added end to end encryption using MLS to the RCS universal profile in March. For one to one messages the latest betas of Google Messages contain a flag to enable MLS support. It is expected Google will add the support for group messages and enable MLS by default sometime soon. Apple has committed to supporting MLS in a future update. So eventually there will be end to end encryption between the two ecosystems.