I want to make a simple password manager.
If I open an encrypted file with open() and decrypt it into a variable, could the decrypted data somehow touch the disk in this process?
Obviously I wouldn't want such data to leave the memory.
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xiru mateador
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Yes, if the OS decides to move memory content to a swap file or partition. – Michael Butscher Sep 02 '19 at 01:28
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3See https://stackoverflow.com/questions/29524020/prevent-ram-from-paging-to-swap-area-mlock – Selcuk Sep 02 '19 at 01:33