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Coldkey is a command-line tool that generates post-quantum age encryption keys and creates printable HTML backups with QR codes for secure offline storage.
The article discusses the current state of the FN-DSA post-quantum signature standard, its standardization delays, and essential caveats for deployment, including prehashing considerations.
An analysis clarifies that quantum computers do not pose a threat to 128-bit symmetric cryptographic keys like AES-128, contrary to common misconceptions about Grover's algorithm. The article explains why symmetric key sizes do not need to change as part of post-quantum transition efforts, aligning with expert and standardization body consensus.