Security & encoding

Passwords, hashes, test card numbers, random bytes, Base64 and colors. See all field types and the options every field takes.

password

Random password with at least one character of each enabled class.

Parameter Values Default Description
length integer 16 Length in characters.
lower boolean — Include a-z.
upper boolean — Include A-Z.
numeric boolean — Include 0-9.
special boolean — Include punctuation.
space boolean — Include spaces.

Also takes the common options and textual constraints.

password.yaml
- { name: password, type: password, length: 12, special: false, lower: true, upper: true, numeric: true }

hash

Digest of an earlier field or of a template. Test data only: never describe md4/md5 values as secure.

Parameter Values Default Description
algorithm md4, md5, sha256, sha384, sha512 — Required. Digest algorithm.
sourceField field name — Earlier field to hash. Exactly one of sourceField or template is required.
template text — Text to hash, with {{field}} placeholders.
encoding hex, base64, base64url hex How the digest is written.

Also takes the common options and textual constraints.

hash.yaml
- { name: email, type: email }
- { name: email_sha256, type: hash, algorithm: sha256, sourceField: email }

creditCard

16-digit test card number starting with 999999, Luhn-valid and never a real card.

Also takes the common options and textual constraints.

creditCard.yaml
- { name: card, type: creditCard }

base64

Standard Base64 of random bytes.

Parameter Values Default Description
length integer 16 Number of random bytes before encoding.

Also takes the common options and textual constraints.

base64.yaml
- { name: nonce, type: base64, length: 24 }

binary

Random bytes, encoded as text.

Parameter Values Default Description
bytes integer — Exact byte count. Exclusive with minBytes/maxBytes.
minBytes integer 1 Minimum byte count.
maxBytes integer 32 Maximum byte count.
encoding base64, base64url, hex base64 How the bytes are written.

Also takes the common options and textual constraints.

binary.yaml
- { name: payload, type: binary, bytes: 32, encoding: hex }

color

Color value. rgb, rgba and cmyk are arrays in JSON and compact text elsewhere.

Parameter Values Default Description
format hex, rgb, rgba, hsl, hsla, cmyk hex hex writes #A3F2C1.
palette safe — safe restricts to the 216 web-safe colors.

Also takes the common options and textual constraints.

color.yaml
- { name: theme, type: color, format: hex }