Create Encoded DN Link

Secret key (for URL encoding)

characters (items trimmed from end if exceeded)
Payload is always gzip-compressed, AES-GCM encrypted (PBKDF2 SHA-256 from secret key), Base64URL-encoded, and ECDSA P-256 signed.
If the signed link exceeds the max length, items are trimmed from the end to fit.

Delivery note header

Haulier

Delivery note items

UTNY item no. Item name Amount Unit Manufacturer Manufacturer item no. Actions

Signature (ECDSA P-256)

Plain payload (pipe-delimited)

Encoded payload

The parameter name used is dn. Payload format: ini-style string using = and |, e.g. id=DN-1|name=Acme Supplies|supplier_id=SUP-42.

Signature (Base64URL)

Signed link


Decode & Verify from URL

Paste a full URL with dn= and optionally sig= parameters.