Metacrafter Registry

Datatypes

Argon2 password hash (PHC string)

ID argon2_hash

DatatypeNot PIIidentifierDraft

This record is a draft: it has not been reviewed yet and may be incomplete or wrong. Do not rely on it for compliance decisions. Help improve it (see CONTRIBUTING.md).

Password hash of Argon2 (RFC 9106), the winner of the Password Hashing Competition, in the PHC string format: $argon2id$ (or argon2i, argon2d), the version v=19, the memory, time and parallelism costs m, t and p, then the salt and the hash in Base64 without padding. Argon2id is the default of libsodium crypto_pwhash.

Categories
Secrets and credentials (passwords, keys, tokens), Cryptographic identifiers
Countries
Global (not tied to a country)
Languages
Common to most languages
Quality
68/100 · missing: second example, mapping (Wikidata, Schema.org, ...), translation, detector coverage
Metacrafter rules
no detection rule yet
Supported by tools
no tool record lists this type yet

Regular expression

^\$argon2(?:id|i|d)\$(?:v=(?:16|19)\$)?m=[0-9]{1,10},t=[0-9]{1,10},p=[0-9]{1,3}(?:,keyid=[A-Za-z0-9+/]{0,11})?(?:,data=[A-Za-z0-9+/]{0,43})?\$[A-Za-z0-9+/]{11,64}\$[A-Za-z0-9+/]{16,86}$

Python re syntax.

Examples

ValueDescription
$argon2id$v=19$m=19456,t=2,p=1$ZXhhbXBsZXNhbHQ$iZkkU2r9X5jHLoSY5bV80kDSU5BEB+SBOn0Rw4bjgLQHash of the word "example" with the salt examplesalt (m=19456, t=2, p=1)
$2y$10$PvHZA2qDCPtJ6C/JxFval.y80.N4NJBCHhyTY.XkcksghdCXe3oXG invalidbcrypt hash

Sources

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