Cipher.FileDecrypt Method (String, String, String, String, CipherAlgorithm, Mode, Padding, Cipher.Opts)

Decrypt a file passing key and IV as hex strings.

Syntax

public static int FileDecrypt(
	string fileOut,
	string fileIn,
	string keyHex,
	string ivHex,
	CipherAlgorithm cipherAlg,
	Mode mode,
	Padding pad,
	Cipher.Opts opts
)

Public Shared Function FileDecrypt ( _
	fileOut As String, _
	fileIn As String, _
	keyHex As String, _
	ivHex As String, _
	cipherAlg As CipherAlgorithm, _
	mode As Mode, _
	pad As Padding, _
	opts As Cipher.Opts _
) As Integer

Parameters

fileOut

Name of output file to be created or overwritten

fileIn

Name of input file, in binary format.

keyHex

Hex-encoded key of exact length

ivHex

Hex-encoded IV, or "" for ECB mode or if IV is prefixed.

cipherAlg

Type: CipherAlgorithm
Cipher Algorithm

mode

Type: Mode
Cipher Mode

pad

Type: Padding
Padding method to use (optional, ECB and CBC modes only, default=Pkcs5)

opts

Type: Cipher.Opts
Advanced options. Use Cipher.Opts.PrefixIV to expect the IV to be prepended to the input.

Return Value

Remarks

See Also

VB6/C equivalent: CIPHER_FileDecrypt

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