doc(0036): update password encryption mechanisms#109
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zmstone
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Jun 11, 2026
| * Argon2id with OWASP-compliant memory, iteration, and parallelism parameters; | ||
| * scrypt with OWASP-compliant CPU/memory cost, block size, and parallelization | ||
| parameters; | ||
| * bcrypt with `salt_rounds >= 10`; |
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we should perhaps avoid promoting bcrypt,
document PBKDF2 only.
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on a related note, seems that "soon" we might get argon2 from otp's not in time for this, obviously 😸 |
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zmstone
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Jul 3, 2026
| * non-PBKDF2 password hashing algorithms; | ||
| * PBKDF2 with weak or non-recommended MAC functions: `md4`, `md5`, | ||
| `ripemd160`, `sha`, `sha224`; | ||
| * PBKDF2 with an iteration count below the OWASP minimum for the selected MAC |
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above might be too expensive (without rate limiting)
zmstone
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Jul 3, 2026
| * PBKDF2-HMAC-SHA512 with at least 220,000 iterations. | ||
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| The default password hashing configuration should also be secure under the | ||
| `hardened` profile. The hardened default is PBKDF2-HMAC-SHA256 with 600,000 |
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continue to default sha256, change default after we introduce a default rate limiter.
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