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Moving to client-side hashing for online authentication

Xavier Coquand
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Ted Selker
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Credential leaks still happen with regular frequency, and show evidence that, despite decades of warnings, password hashing is still not correctly implemented in practice. The common practice today , inherited from previous but obsolete constraints, is to transmit the password in cleartext to the server, where it is hashed and stored. We investigate the advantages and drawbacks of the alternative of hashing client-side, and show that it is present today exclusively on Chinese web-sites. We also look at ways to implement it on a large scale in the near future.
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hal-02560695 , version 1 (02-05-2020)


  • HAL Id : hal-02560695 , version 1


Enka Blanchard, Xavier Coquand, Ted Selker. Moving to client-side hashing for online authentication. 9th International Workshop on Socio-Technical Aspects in SecuriTy, Sep 2019, Luxembourg Ville, Luxembourg. ⟨hal-02560695⟩
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