Datatypes

MD5-crypt password hash

ID md5crypt_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 the MD5-based crypt scheme of FreeBSD, in Modular Crypt Format: $1$, a salt of up to 8 characters, $ and 22 characters of crypt Base64. It was the default on Linux before SHA-crypt and is now considered weak.

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

^\$1\$[^$:\n]{1,8}\$[./0-9A-Za-z]{22}$

Python re syntax.

Examples

ValueDescription
$1$examples$9syBlMva027I.Vd2Z0JGl1Hash of the word "example" with the salt examples
$6$saltstring$svn8UoSVapNtMuq1ukKS4tPQd8iKwSMHWjl/O817G3uBnIFNjnQJuesI68u4OTLiBFdcbYEdFCoEOfaS35inz1 invalidSHA-512-crypt hash

Sources

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