cipherInitHex

Initializes the CIPHER context with hex-encoded key, algorithm and mode ready for repeated incremental operations.

Syntax

Public Function cipherInitHex ( _
    fEncrypt As Integer, _
    szAlgAndMode As String, _
    szKeyHex As String, _
    szIvHex As String, _
    Optional nOptions As Long = 0 _
) As Long

Parameters

fEncrypt

Direction flag: set as ENCRYPT (True) to encrypt or DECRYPT (False) to decrypt.

szAlgAndMode

String with block cipher algorithm and mode, e.g. "aes128/cbc"

szKeyHex

Hex-encoded key of exact length for block cipher algorithm.

szIvHex

Hex-encoded initialization vector (IV) of exactly the block size or "" for ECB mode.

nOptions

Option flags, set as zero for defaults.

Return Value