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POST

Reviewing my chunked AES-256-GCM streaming format, any issues?

REDDIT / aliirz / Mar 31, 2026

I'm implementing streaming file uploads for an encrypted, self-destructing file sharing service (https://phntm.sh, open source). Currently I buffer entire files in memory, which crashes on large files. I'm switching to chunked AES-256-GCM. Would appreciate a security review of the wire …

POST

Getting young kids interested in cryptography

REDDIT / knotdjb / Mar 31, 2026

Hi, I'm thinking of introducing cryptography to my nieces and nephews who range between 10-13 years old. Any suggestions for published materials to get them started and interested?

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