SSH key fingerprint
ID ssh_key_fingerprint
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).
Fingerprint of an SSH public key, as printed by ssh-keygen -l and shown when a client first connects to a host: SHA256: and 43 characters of unpadded Base64 (the default since OpenSSH 6.8), or the legacy MD5 form of 16 colon-separated hexadecimal octets, optionally after MD5:.
- Categories
- 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
^(?:SHA256:[A-Za-z0-9+/]{43}|(?:MD5:)?[0-9a-f]{2}(?::[0-9a-f]{2}){15})$Python re syntax.
Examples
| Value | Description |
|---|---|
| SHA256:+DiY3wvvV6TuJJhbpZisF/zLDA0zPMSvHdkr4UvCOqU | Fingerprint of the Ed25519 host key of github.com |
| SHA256:uNiVztksCsDhcc0u9e8BujQXVUpKZIDTMczCvj3tD2s | Fingerprint of the RSA host key of github.com |
| MD5:65:96:2d:fc:e8:d5:a9:11:64:0c:0f:ea:00:6e:5b:bd | Legacy MD5 fingerprint of the Ed25519 host key of github.com (ssh-keygen -E md5) |
| AE:C4:60:61:F4:58:FC:B5:6E:20:4A:11:79:DE:BB:CF:23:7F:1C:53 invalid | SHA-1 fingerprint of an X.509 certificate (20 octets) |
Sources
- doc: https://man.openbsd.org/ssh-keygen
- other: https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/githubs-ssh-key-fingerprints
- wikipedia: https://en.wikipedia.org/wiki/Public_key_fingerprint
Use this record
- Page URL:
http://registry.apicrafter.io/datatype/ssh_key_fingerprint - JSON: API v1 · legacy shape (used by metacrafter) · Markdown (for LLMs)
- Improve it: edit
data/datatypes/any/cryptography/ssh_key_fingerprint.yamlon GitHub