Also if you want to keep a secret a secret forever, encrypted but saved data may be easily decrypted in the future. Most secrets though in reality are less useful in X years time.

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lemagedurage 2 days ago | parent [-]

Theoretically maybe, but there's no indication that a quantum-resistant algorithm can't encrypt something that's secure for the coming million+ years.

	▲	hilariously 2 days ago \| parent [-]
		Sure there is, just use a one time pad and never repeat the message. Oops - you said the opposite of what I read, my mistake.