For the record:
- The *cryptography* in Signal is probably fine; a practical attack would be a big surprise.
- Signal lacks specific features required for classified systems, such as security labels, certified identities, revocation, etc.
- Signal runs on uncontrolled, insecure platforms connected to the Internet, rendering it unsuitable for classified even if it had the above features.
- Adding classified features to Signal would make it unusable for most purposes for which it's intended.
Matt Blaze /
npub1d7…z6qzr
2025-04-09 18:11:25
in reply to nevent1q…sj9u
Author Public Key
npub1d7ggne0xsy8e2999q8cyh9zxda688axm07cwncufjeku0nahvfgsyz6qzrSeen on
wss://relay.mostr.pubPublished at
2025-04-09 18:11:25Event JSON
{
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"pubkey": "6f9089e5e6810f9514a501f04b94466f7473f4db7fb0e9e389966dc7cfb76251",
"created_at": 1744222285,
"kind": 1,
"tags": [
[
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"wss://relay.mostr.pub",
"reply"
],
[
"proxy",
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"activitypub"
],
[
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],
"content": "For the record:\n\n- The *cryptography* in Signal is probably fine; a practical attack would be a big surprise.\n\n- Signal lacks specific features required for classified systems, such as security labels, certified identities, revocation, etc.\n\n- Signal runs on uncontrolled, insecure platforms connected to the Internet, rendering it unsuitable for classified even if it had the above features.\n\n- Adding classified features to Signal would make it unusable for most purposes for which it's intended.",
"sig": "114647f0478b204af60ff3fb8717516855d1daf973b63aaefdc959823f05b2b592d396066e04afe41da6c7f546ec0e24f6d02ff5e7c732c7f9d037342177d9d6"
}