Brightsign Object Reference Manual (FW 5.1) Instrukcja Użytkownika Pobierz pdf (Strona 147)

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roHashGenerator

This object provides an API for generating a variety of message digests.

Object Creation: The hash algorithm is specified when creating the roHashGenerator object.

CreateObject("roHashGenerator", algorithm As String)

The algorithm parameter accepts the following strings:

• SHA256

• SHA384

• SHA512

• SHA1

• MD5

• CRC32

Note: CRC32 is only available on firmware versions 4.4.x or later.

Interfaces: ifHashGenerator

The ifHashGenerator interface provides the following:

• Hash(obj As Object) As Object: Hashes the payload, which can be supplied in the form of a string (or any

object implementing ifString) or an roByteArray. The hash is returned as an roByteArray.

• SetHmacKey(a As Dynamic) As Boolean:

• SetObfuscatedHmacKey(a As String) As Boolean:

• GetFailureReason() As String:

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