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Your pin is not your key, even through a KDF. That would allow guessing with only 10**4 guesses. Signal exports an unencrypted backup to a formatted text file,
by freeone3000 6y ago
Your pin is not your key, even through a KDF. That would allow guessing with only 10**4 guesses. Signal exports an unencrypted backup to a formatted text file, which can then be imported by another signal instance.
- JoshTriplett 6y agoI don't mean a network backup. I mean a device-to-device data transfer, for which the device passphrase and the Signal PIN together should be sufficient. (Also, your Signal PIN can be an alphanumeric passphrase.)