Unix shadow password file entry
ID unix_shadow_entry
DatatypePersonal data (PII)identifierDraft
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).
One line of /etc/shadow on Linux and other Unix systems: nine colon-separated fields with the login name, the hashed password (or ! or * for a locked account), and the password ageing and expiry dates, counted in days since 1970-01-01.
- Categories
- Secrets and credentials (passwords, keys, tokens)
- Countries
- Global (not tied to a country)
- Languages
- Common to most languages
- Quality
- 85/100 · missing: mapping (Wikidata, Schema.org, ...), translation
- Metacrafter rules
- no detection rule yet
- Supported by tools
- Semgrep
Regular expression
^[^:\s]+:[^:\s]*:[0-9]*:[0-9]*:[0-9]*:[0-9]*:[0-9]*:[0-9]*:[^:\s]*$Python re syntax.
Examples
| Value | Description |
|---|---|
| daemon:*:19000:0:99999:7::: | System account without a password |
| example:$1$examples$9syBlMva027I.Vd2Z0JGl1:19000:0:99999:7::: | MD5-crypt hash of the word "example" |
| root:x:0:0:root:/root:/bin/bash invalid | Line of /etc/passwd, which has seven fields |
Sources
Use this record
- Page URL:
http://registry.apicrafter.io/datatype/unix_shadow_entry - JSON: API v1 · legacy shape (used by metacrafter) · Markdown (for LLMs)
- Improve it: edit
data/datatypes/any/secrets/unix_shadow_entry.yamlon GitHub