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SCRAM-SHA-1(-PLUS) + SCRAM-SHA-256(-PLUS) + SCRAM-SHA-512(-PLUS) + SCRAM-SHA3-512(-PLUS) supports #69

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Neustradamus opened this issue Aug 11, 2022 · 0 comments

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@Neustradamus
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Dear @ProtonMail team,

For more security, can you add supports of:

  • SCRAM-SHA-1
  • SCRAM-SHA-256
  • SCRAM-SHA-512
  • SCRAM-SHA3-512

Same with TLS Channel Binding:

  • SCRAM-SHA-1-PLUS
  • SCRAM-SHA-256-PLUS
  • SCRAM-SHA-512-PLUS
  • SCRAM-SHA3-512-PLUS

Details:

"When using the SASL SCRAM mechanism, the SCRAM-SHA-256-PLUS variant SHOULD be preferred over the SCRAM-SHA-256 variant, and SHA-256 variants [RFC7677] SHOULD be preferred over SHA-1 variants [RFC5802]".

https://xmpp.org/extensions/inbox/hash-recommendations.html

-PLUS variants:

IMAP:

LDAP:

  • RFC5803: Lightweight Directory Access Protocol (LDAP) Schema for Storing Salted: Challenge Response Authentication Mechanism (SCRAM) Secrets: https://tools.ietf.org/html/rfc5803

HTTP:

2FA:

IANA:

Linked to:

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