Printing Keys and using OCR.

[Joseph Oreste Bruni]

>David Shaw wrote:
>> Most of the storage media in use today do not have particularly
>> good long-term (measured in years to decades) retention of data.
>> If and when the CD-R and/or tape cassette and/or hard drive the
>> secret key is stored on becomes unusable, the paper copy can be
>> used to restore the secret key. If you have the passphrase but the
>> secret key that it encrypted was on that bad CD-R, you have nothing
>>
>Aren't optical discs supposed to last for many decades if stored
>properly and almost never used?
>

Stamped aluminum disks will last a very long time. However, burnable disks might last around five years or so depending on quality.