15 lines
1.0 KiB
Markdown
15 lines
1.0 KiB
Markdown
<div>
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## End-to-end encryption
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</div>
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Matrix provides state-of-the-art end-to-end-encryption via the [Olm](https://gitlab.matrix.org/matrix-org/olm/blob/master/docs/olm.md) and [Megolm](https://gitlab.matrix.org/matrix-org/olm/blob/master/docs/megolm.md) cryptographic ratchets.
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This ensures that only the intended recipients can ever decrypt your messages,
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while warning if any unexpected devices are added to the conversation.
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Matrix’s encryption is based on the [Double Ratchet Algorithm](https://signal.org/docs/specifications/doubleratchet/) popularised by Signal,
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but extended to support encryption to rooms containing thousands of devices.
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Olm and Megolm are specified as an [open standard](https://gitlab.matrix.org/matrix-org/olm/blob/master/docs/) and [implementations](https://gitlab.matrix.org/matrix-org/olm/) are released under the Apache license, [independently audited by NCC Group](/blog/2016/11/21/matrixs-olm-end-to-end-encryption-security-assessment-released-and-implemented-cross-platform-on-riot-at-last). |