monk@lemmy.dbzer0.com to Privacy@lemmy.mlEnglish · edit-21 month agoWe have a group in Signal dedicated to privacy, FOSS, deGoogling, etc. If anyone is interested, you are welcome to join.lemmy.dbzer0.comimagemessage-square52fedilinkarrow-up1184arrow-down19file-text
arrow-up1175arrow-down1imageWe have a group in Signal dedicated to privacy, FOSS, deGoogling, etc. If anyone is interested, you are welcome to join.lemmy.dbzer0.commonk@lemmy.dbzer0.com to Privacy@lemmy.mlEnglish · edit-21 month agomessage-square52fedilinkfile-text
minus-squarewindpunch@feddit.orglinkfedilinkarrow-up3arrow-down1·1 month ago Signal knows all of their users’ phone numbers. Only the hash of your phone number.
minus-squareCosmicGiraffe@lemmy.worldlinkfedilinkarrow-up2·1 month agoHow exactly is it hashed? There aren’t that many possible phone numbers, so it might be viable to just try every valid number until you find one that matches
minus-squarewindpunch@feddit.orglinkfedilinkarrow-up2·edit-21 month agoHere’s what Signal says: https://signal.org/blog/contact-discovery/
Only the hash of your phone number.
How exactly is it hashed? There aren’t that many possible phone numbers, so it might be viable to just try every valid number until you find one that matches
Here’s what Signal says: https://signal.org/blog/contact-discovery/
Good correction, thanks