Biometric passphrase

[Hakan Hekim]

Hello
Do you have any experience with implementing biometric into gpg as passphrase. I mean to give user's biometric data from (for example fingerprint) scanner as passphrase during key generation and use it when she want to sign or decrypt something???

Advantages:
-Maybe the passphrase would be more random(???)
-Even she won't know the passphrase

Disadvanteges:
-Maybe the passphrases would be in a predetermined format (according to the biometric algorithm)
-she will allways need a scanner to sign or decrypt
-she can loose her finger or iris ;--))

what do you think??



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