SHA-512-crypt password hash

ID sha512crypt_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 SHA-512-based crypt scheme by Ulrich Drepper, in Modular Crypt Format: $6$, an optional rounds=N$ (5000 rounds by default), a salt of up to 16 characters, $ and 86 characters of crypt Base64. It is widely used in /etc/shadow on Linux.

Categories: Secrets and credentials (passwords, keys, tokens), Cryptographic identifiers
Countries: Global (not tied to a country)
Languages: Common to most languages
Quality: 75/100 · missing: 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

^\$6\$(?:rounds=[1-9][0-9]+\$)?[^$:\n]{1,16}\$[./0-9A-Za-z]{86}$

Python re syntax.

Examples

Value	Description
$6$saltstring$svn8UoSVapNtMuq1ukKS4tPQd8iKwSMHWjl/O817G3uBnIFNjnQJuesI68u4OTLiBFdcbYEdFCoEOfaS35inz1	Test vector of the specification: Hello world! with the salt saltstring
$6$rounds=10000$saltstringsaltst$OW1/O6BYHV6BcXZu8QVeXbDWra3Oeqh0sbHbbMCVNSnCM/UrjmM0Dp8vOuZeHBy/YTBmSK6H9qs/y3RnOaw5v.	Test vector of the specification with 10000 rounds
$5$saltstring$5B8vYYiY.CVt1RlTTf8KbXBH3hsxY/GNooZaBBGWEc5 invalid	SHA-256-crypt hash

Sources

Use this record

Page URL: http://registry.apicrafter.io/datatype/sha512crypt_hash
JSON: API v1 · legacy shape (used by metacrafter) · Markdown (for LLMs)
Improve it: edit data/datatypes/any/secrets/sha512crypt_hash.yaml on GitHub