Show HN: ReVault – new secure archive format
9 points by bsutto | 3 comments
Show HN post introducing reVault, a Rust-based encrypted, signed, compressed archive format (lockbox) with CLI, keyserver, and multi-language bindings.
#encryption on Hacker News
84 stories tagged encryption, newest first.
Canadians are running out of time to oppose Bill C-22(eff.org)
474 points by hn_acker | 245 comments
EFF blog post urging Canadians to oppose Bill C-22, the Lawful Access Act, which expands surveillance powers and metadata retention and is now before the Senate.
SIGSALY: Churchill's top secret hotline to the president(iwm.org.uk)
127 points by stmw | 44 comments
Imperial War Museums article on Churchill's top secret SIGSALY encrypted telephone hotline to the US President from the Churchill War Rooms.
Why I Wrote PGP (1991, revised 1999)(philzimmermann.com)
174 points by GaryBluto | 65 comments
Phil Zimmermann's essay from the original 1991 PGP User's Guide, updated in 1999, explaining why he created PGP to protect the privacy of personal communications.
I think we might lose public key cryptography(twitter.com)
38 points by meken | 14 comments
A Twitter/X thread by cryptographer Matthew Green following up on his tweet suggesting we might lose public key cryptography, sharing his thoughts on the risk.
Show HN: Pocketty – iPhone SSH terminal that pings you when an agent is blocked(pocketty.app)
25 points by lukeed | 9 comments
Landing page for pocketty, an iPhone and iPad SSH terminal app that sends end-to-end encrypted push alerts when a coding agent managed by herdr is blocked or done.
Sharded, encrypted storage between friends over Yggdrasil(github.com)
17 points by peter_retief | 5 comments
GitHub repository for yggstore, a Go tool for sharded, encrypted storage shared between friends over the Yggdrasil mesh network.
Two-tier encryption in the UK(macanorak.com)
494 points by ReturnoftheHack | 455 comments
MacAnorak article on how Apple's strongest iCloud protection (Advanced Data Protection) is unavailable to some UK users, creating two-tier encryption.
Show HN: Air-gapped file encryption as self-decrypting HTML page(cms-sfx-demo.apeleg.com)
70 points by emurlin | 23 comments
Web demo of a browser-based file encryption utility that produces self-decrypting, air-gapped HTML files with embedded OpenPGP signatures.
Registration without a phone number on Signal will use zero-knowledge proofs(community.signalusers.org)
343 points by Cider9986 | 174 comments
Signal community forum thread in Feature Requests discussing registration without a phone number, with a reply explaining Signal's use of zero-knowledge proofs.
Going Dark, and the era of law enforcement hacking(blog.cryptographyengineering.com)
438 points by vslira | 232 comments
Matthew Green blog post reflecting on Usenix Security and how AI may affect encryption, the 'going dark' debate, and law enforcement hacking.
Apple defeats liability for not scanning iCloud for CSAM(blog.ericgoldman.org)
442 points by speckx | 491 comments
Eric Goldman blog post analyzing Amy v. Apple, where Apple avoided liability for not scanning iCloud for CSAM, though the judge criticized it.
Codex starts encrypting sub-agent prompts(github.com)
375 points by embedding-shape | 226 comments
GitHub issue in openai/codex reporting a regression where encrypted MultiAgentV2 sub-agent messages remove the readable task audit trail.
EU Parliament greenlights Chat Control 1.0(patrick-breyer.de)
1562 points by rapnie | 788 comments
Patrick Breyer's blog post reporting that the European Parliament approved the Chat Control 1.0 regulation on message scanning, and criticizing the decision.
EU now one step away from reviving private message scanning rules(cyberinsider.com)
364 points by ggirelli | 140 comments
Cyber Insider news article reporting that the EU is one step away from reviving rules for scanning private messages (Chat Control).
Chat Control passed first round in EU Parliament(heise.de)
525 points by miroljub | 234 comments
Heise Online news article on proponents in the EU Parliament using a procedural move to revive Chat Control 1.0, enabling indiscriminate scanning of chat messages.
Chat Control 1.0 and 2.0 Explained(fightchatcontrol.eu)
858 points by gasull | 328 comments
Explainer page from Fight Chat Control describing the two EU Chat Control proposals: the temporary 1.0 regulation (EU) 2021/1232 and the permanent CSA Regulation 2.0 in trilogue.
EU Council forces Chat Control via fast-track(heise.de)
365 points by stavros | 201 comments
Heise news article reporting that the EU Council is pushing Chat Control 1.0 messenger scanning rules through a fast-track procedure.
EU to legislate about Chat Control behind closed doors(patrick-breyer.de)
580 points by NeutralForest | 328 comments
Blog post by Patrick Breyer warning of closed-door EU Chat Control negotiations and concessions, announcing the relaunch of fightchatcontrol.eu.
![Screenshot of signal.org: Surveillance is not safety: A statement on the UK's latest threat to privacy [pdf]](https://hn.urlbox.com/shots/renders/2026/6/8/a2295aa2-b04c-4072-a8a0-e4c555195770.jpg)
Surveillance is not safety: A statement on the UK's latest threat to privacy [pdf](signal.org)
630 points by g0xA52A2A | 270 comments
Signal's PDF statement opposing a UK government demand that all content on devices be scanned for nudity using age verification and content scanning.
Security researcher says Microsoft built a Bitlocker backdoor, releases exploit(techspot.com)
523 points by nolok | 223 comments
TechSpot news article about a researcher's claim that Microsoft built a BitLocker backdoor, with a released YellowKey exploit that bypasses encryption via USB and WinRE.
Microsoft terminates VeraCrypt account, halting Windows updates(404media.co)
501 points by donohoe | 186 comments
404 Media article reporting that Microsoft terminated VeraCrypt's developer account, halting the encryption software's Windows updates.
Cloudflare targets 2029 for full post-quantum security(blog.cloudflare.com)
370 points by ilreb | 112 comments
Cloudflare blog post by Bas Westerbaan announcing a roadmap to achieve full post-quantum security across its services by 2029.
End of "Chat Control": EU parliament stops mass surveillance(patrick-breyer.de)
537 points by amarcheschi | 261 comments
Patrick Breyer's blog post announcing that the European Parliament voted to stop the "Chat Control" mass message-scanning proposal, dated March 2026.
The EU still wants to scan your private messages and photos(fightchatcontrol.eu)
1371 points by MrBruh | 367 comments
Advocacy campaign site opposing the EU "Chat Control" proposal to scan private messages and photos, with action tools and an alert about an EPP push for a new vote.
Show HN: If you lose your memory, how to regain access to your computer?(eljojo.github.io)
348 points by eljojo | 215 comments
ReMemory is a tool that encrypts files and splits the decryption key among trusted friends via Shamir's Secret Sharing, with an offline browser-based recovery bundle.
MS confirms it will give the FBI your Windows PC data encryption key if asked(windowscentral.com)
505 points by blacktulip | 299 comments
Windows Central article reporting Microsoft confirmed it will hand BitLocker encryption recovery keys stored in the cloud to the FBI under a valid legal order.
Microsoft gave FBI set of BitLocker encryption keys to unlock suspects' laptops(techcrunch.com)
971 points by bookofjoe | 607 comments
TechCrunch article reporting that Microsoft provided the FBI with BitLocker encryption recovery keys to unlock suspects' laptops.
Tailscale state file encryption no longer enabled by default(tailscale.com)
348 points by traceroute66 | 132 comments
Tailscale's changelog page listing updates to its client and service, including a change making state file encryption no longer enabled by default.
The Going Dark initiative or ProtectEU is a Chat Control 3.0 attempt(mastodon.online)
589 points by janandonly | 223 comments
A Mastodon post by Mullvad VPN arguing that the EU's Going Dark initiative / ProtectEU is a new Chat Control attempt.
Independent review of UK national security law warns of overreach(techradar.com)
383 points by donohoe | 239 comments
TechRadar article on an independent UK watchdog review warning that the National Security Act could treat creating encrypted apps like Signal or WhatsApp as hostile activity.
EU Council Approves New "Chat Control" Mandate Pushing Mass Surveillance(reclaimthenet.org)
517 points by fragebogen | 337 comments
Reclaim The Net article reporting that the EU Council approved a new "Chat Control" negotiating mandate criticized as enabling mass surveillance of private messages.
The disguised return of EU Chat Control(reclaimthenet.org)
745 points by egorfine | 276 comments
Reclaim The Net article arguing the EU's Chat Control private message scanning proposal is returning in disguised form via a revised compromise.
Time to start de-Appling(heatherburns.tech)
556 points by msangi | 377 comments
Blog post by Heather Burns arguing UK users should start moving away from Apple amid UK government pressure on encryption and privacy.
Chat Control proposal fails again after public opposition(andreafortuna.org)
475 points by speckx | 131 comments
Blog post reporting that the EU Council's Chat Control proposal for scanning encrypted messages was withdrawn by the Danish presidency after public opposition.
Denmark reportedly withdraws Chat Control proposal following controversy(therecord.media)
467 points by layer8 | 173 comments
The Record news article reporting that Denmark has reportedly withdrawn its EU Chat Control proposal after controversy over scanning private messages.
![Screenshot of satcom.sysnet.ucsd.edu: Don’t Look Up: Sensitive internal links in the clear on GEO satellites [pdf]](https://hn.urlbox.com/shots/renders/2025/10/14/078bbe80-919a-4e9f-9a24-ce03b26d329d.jpg)
Don’t Look Up: Sensitive internal links in the clear on GEO satellites [pdf](satcom.sysnet.ucsd.edu)
505 points by dweekly | 120 comments
Academic paper (ACM CCS 2025) scanning IP traffic on 39 GEO satellites, finding about half of links carry unencrypted sensitive commercial, military, and cellular traffic.
One-man campaign ravages EU 'Chat Control' bill(politico.eu)
711 points by cuu508 | 233 comments
Politico Europe article on how a Danish software developer's email campaign site, Fight Chat Control, is influencing the EU debate over a law to scan encrypted messages.
German government comes out against Chat Control(xcancel.com)
1052 points by SolonIslandus | 464 comments
A tweet (via xcancel) by Patrick Hansen saying Germany's CDU/CSU has declared there will be no EU chat control under the current German government, quoting a video clip.
FBI couldn't get my husband to decrypt his Tor node so he was jailed for 3 years(old.reddit.com)
886 points by heavyset_go | 284 comments
A Reddit r/TOR post about a man jailed for three years after refusing FBI demands to decrypt his Tor node; the captured page is a Reddit network-policy block.
Denmark's Justice Minister calls encrypted messaging a false civil liberty(mastodon.social)
360 points by belter | 226 comments
Mastodon post by Fight Chat Control quoting Danish Justice Minister Peter Hummelgaard saying private encrypted messaging is not a civil liberty.
ChatControl update: blocking minority held but Denmark is moving forward anyway(disobey.net)
459 points by nickslaughter02 | 318 comments
Mastodon post relaying an ISOC Global Encryption Coalition update that the EU ChatControl blocking minority held while Denmark pushes the proposal to the October 14th JHA Council.
Chat Control faces blocking minority in the EU(twitter.com)
357 points by miohtama | 112 comments
A post on X by Tuta (TutaPrivacy) saying the EU Chat Control proposal faces a blocking minority among member states; the tweet content did not load.
Germany is not supporting ChatControl – blocking minority secured(digitalcourage.social)
941 points by xyzal | 302 comments
A Mastodon post by Patrick Breyer reporting that Germany will not support the EU ChatControl proposal, securing a blocking minority.
Chat Control Must Be Stopped(privacyguides.org)
594 points by Improvement | 184 comments
Privacy Guides article urging readers to act against the EU's proposed Chat Control regulation, explaining what it is and why it harms privacy and children.
Fight Chat Control(fightchatcontrol.eu)
1304 points by tokai | 422 comments
Advocacy site opposing the EU "Chat Control" proposal that would mandate scanning of private messages and photos, with member-state info and ways to contact representatives.
Many countries that said no to ChatControl in 2024 are now undecided(digitalcourage.social)
448 points by nickslaughter02 | 317 comments
A Mastodon post by Patrick Breyer reporting that many EU countries that opposed the ChatControl proposal in 2024 are now undecided.
I hacked my washing machine(nexy.blog)
334 points by JadedBlueEyes | 144 comments
Blog post describing how the author and a friend reverse engineered a Wi-Fi smart washing machine's API and encryption to build a notification script.
Fully homomorphic encryption and the dawn of a private internet(bozmen.io)
395 points by barisozmen | 183 comments
Personal blog essay by Barış Özmen explaining fully homomorphic encryption and how it could enable a truly private internet.
France rejects backdoor mandate(eff.org)
905 points by hn_acker | 262 comments
EFF Deeplinks post reporting that France's National Assembly rejected a proposed mandate for encryption backdoors in messaging services.
NCSC, GCHQ, UK Gov't expunge advice to “use Apple encryption”(alecmuffett.com)
340 points by jjgreen | 202 comments
Alec Muffett blog post reporting that NCSC, GCHQ and UK government removed advice recommending Apple encryption for legal professionals, coinciding with Apple's backdoor lawsuit.
Apple takes UK to court over 'backdoor' order(theregister.com)
594 points by latexr | 223 comments
The Register news article reporting Apple has filed a complaint with the UK Investigatory Powers Tribunal challenging a government order to break iCloud encryption.
Signal to leave Sweden if backdoor law passes(swedenherald.com)
379 points by km | 207 comments
Sweden Herald news article reporting Signal CEO Meredith Whittaker saying Signal will leave Sweden if a proposed law forces messaging apps to store messages.
Apple pulls data protection tool after UK government security row(bbc.com)
1690 points by helsinkiandrew | 1035 comments
BBC News article reporting that Apple withdrew its Advanced Data Protection encryption feature in the UK after a dispute with the government over access to user data.
U.K. demand for a back door to Apple data threatens Americans, lawmakers say(washingtonpost.com)
319 points by ksec | 219 comments
Washington Post article reporting that U.S. lawmakers warn a U.K. demand for a back door into Apple's encrypted cloud data threatens Americans.
Apple ordered by UK to create global iCloud encryption backdoor(macrumors.com)
1105 points by throw0101d | 574 comments
MacRumors article reporting that the UK government secretly ordered Apple to provide backdoor access to encrypted iCloud content worldwide, citing The Washington Post.
U.K. orders Apple to let it spy on users’ encrypted accounts(washingtonpost.com)
642 points by Despegar | 925 comments
Washington Post exclusive reporting that the U.K. secretly ordered Apple to provide blanket access to users' encrypted iCloud backups worldwide.
Arrest of Pavel Durov, Telegram CEO, charges of terrorism, fraud, child porn(decripto.org)
582 points by toss1 | 669 comments
News article on decripto.org reporting the arrest of Telegram CEO Pavel Durov on charges including terrorism, fraud and child pornography for not cooperating with authorities.
Magic Wormhole: get things from one computer to another, safely(github.com)
706 points by tosh | 226 comments
GitHub repository for Magic Wormhole, an MIT-licensed tool for securely transferring files and text from one computer to another.
Investigating corrupt Winamp skins(jordaneldredge.com)
573 points by treve | 136 comments
Jordan Eldredge's blog post about investigating corrupted Winamp skins from the Winamp Skin Museum and the hidden files, passwords, and secrets found inside them.
EU Council has withdrawn the vote on Chat Control(stackdiary.com)
1132 points by skilled | 520 comments
Stackdiary news article reporting that the EU Council withdrew its scheduled vote on the Chat Control message-scanning regulation.
Chat Control: Incompatible with Fundamental Rights (2022)(freiheitsrechte.org)
701 points by Bluestein | 185 comments
Gesellschaft für Freiheitsrechte issue page arguing the EU's proposed Chat Control regulation for scanning private messages is incompatible with fundamental rights.
Chat Control Must Be Stopped – Now(threema.ch)
677 points by andrew918277 | 210 comments
Threema blog post from June 17, 2024 urging that the EU's proposed Chat Control regulation for scanning private messages be stopped.
Signal: Will leave the EU market rather than undermine our privacy guarantees(twitter.com)
409 points by doener | 351 comments
A post on X by Signal president Meredith Whittaker saying Signal would leave the EU market rather than comply with a proposal undermining its privacy guarantees.
Keep your phone number private with Signal usernames(signal.org)
1330 points by Josely | 798 comments
Signal blog post from February 2024 announcing usernames and settings that let users keep their phone numbers private from contacts.
A brief history of the U.S. trying to add backdoors into encrypted data (2016)(atlasobscura.com)
502 points by whatever3 | 174 comments
Atlas Obscura article from 2016 recounting the history of US government attempts, including by the NSA, to insert backdoors into encryption.
CSAR: European Parliament rejects mass scanning of private messages(edri.org)
420 points by pera | 74 comments
EDRi article explaining the European Parliament's 22 November position on the draft CSAR regulation, which rejects mass scanning of private messages.
EU Parliament Civil Liberties Committee adopts position on CSAR(europarl.europa.eu)
523 points by orian | 187 comments
European Parliament press release on the Civil Liberties Committee adopting its position on the proposed regulation to combat online child sexual abuse without mass surveillance.
EU's concealment of secret 'expert list' on CSAM regulation is maladministration(iccl.ie)
362 points by charleyablaze | 170 comments
Irish Council for Civil Liberties news post reporting the EU Ombudsman found the Commission's concealment of a CSAM regulation expert consultation list was maladministration.
I2P: End-to-end encrypted and anonymous internet(github.com)
354 points by keepamovin | 103 comments
GitHub repository for i2pd, a C++ implementation of the I2P end-to-end encrypted anonymous network client.
Encrypting private data and private communications is now an ethical duty(blog.tripu.info)
416 points by gasull | 200 comments
A personal blog essay arguing that end-to-end encrypting private data and communications has become an ethical duty, using a glass-walls analogy.
Finland to vote against the EU mass surveillance and encryption ban directive(dawn.fi)
332 points by miohtama | 57 comments
Finnish news article reporting that Finland's parliament has taken a position against the EU CSAM regulation, criticized as mass surveillance and an encryption ban.
Undermining Democracy: The EU Commission's Controversial Push for Surveillance(dannymekic.com)
581 points by veeti | 299 comments
Blog post by Danny Mekić criticizing the European Commission's push for digital surveillance legislation (chat control) as undermining democracy.
Bitwarden: Free, open-source password manager(bitwarden.com)
349 points by punnerud | 226 comments
Homepage of Bitwarden, an open-source password manager for personal and business use across devices.
UK Parliament undermined the privacy, security, freedom of all internet users(eff.org)
592 points by judiisis | 346 comments
EFF Deeplinks article by Joe Mullin criticizing the UK Parliament's passage of the Online Safety Bill as a threat to privacy, security, and encryption.
Horcrux: Split your file into encrypted fragments(github.com)
469 points by rgbrgb | 126 comments
GitHub repository for Horcrux, a tool that splits a file into encrypted fragments so you don't need to remember a passcode.
The U.K. government is close to eroding encryption worldwide(eff.org)
555 points by pwmtr | 352 comments
EFF Deeplinks article arguing the U.K.'s Online Safety Bill could undermine end-to-end encryption for users worldwide.
Signal president says company will not comply with U.K. ‘mass surveillance’ law(fortune.com)
453 points by danboarder | 316 comments
Fortune article reporting that Signal's president says the company will not comply with a proposed U.K. law requiring mandatory message scanning.
The FCC responds to my ATSC 3 encryption complaint – they want to hear from you(blog.lon.tv)
370 points by tech234a | 158 comments
Lon Seidman's blog post about the FCC's response to his complaint over ATSC 3.0 broadcast encryption, asking viewers to submit their own comments.
French govt. says users of uBlock Origin, Signal etc. are potential terrorists(laquadrature.net)
652 points by Bright_Machine | 413 comments
La Quadrature du Net article on the French "8 December" case, where use of encrypted communications and privacy tools was cited as evidence of terrorist behavior.
Element is one of fourteen messaging apps blocked by Central Indian Government(element.io)
327 points by prhrb | 222 comments
Element blog post reporting that India's central government blocked the Element app, the flagship Matrix client, among fourteen messaging apps.
Help make mass surveillance of entire populations uneconomical(prism-break.org)
621 points by doener | 246 comments
PRISM Break is a directory of privacy-respecting, open-source alternatives to proprietary software, organized by platform, to help users avoid mass surveillance.
Statement on EU-US Cooperation on Turning Public Opinion Against Encryption(globalencryption.org)
402 points by pera | 184 comments
Global Encryption Coalition steering committee statement criticizing EU-US cooperation aimed at turning public opinion against encryption.
The EARN IT bill is back, seeking to scan our messages and photos(eff.org)
1159 points by glitcher | 423 comments
EFF Deeplinks post from April 2023 warning that the reintroduced EARN IT bill would push online services to scan users' messages and photos, threatening encryption.