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Move password-based key derivation to Argon2 #8

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AaronFeickert opened this issue Dec 28, 2022 · 0 comments · May be fixed by #14
Open

Move password-based key derivation to Argon2 #8

AaronFeickert opened this issue Dec 28, 2022 · 0 comments · May be fixed by #14

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@AaronFeickert
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Password-based key derivation for both the backup system and secure storage handler uses PBKDF2 with OWASP-recommended parameters. While this is currently a safe approach given the threat model and parameters used (and a sufficiently complex passphrase), it is suboptimal. We looked into the use of Argon2, but library support was not mature enough to deploy.

This is a tracking issue to keep in mind that Argon2 is a better approach to this kind of key derivation. Once library support evolves sufficiently, we should migrate to it.

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