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

Decrypt a file.

Syntax

public static int FileDecrypt(
	string fileOut,
	string fileIn,
	byte[] key,
	byte[] iv,
	CipherAlgorithm cipherAlg,
	Mode mode,
	Padding pad,
	Cipher.Opts opts
)

Public Shared Function FileDecrypt ( _
	fileOut As String, _
	fileIn As String, _
	key As Byte(), _
	iv As Byte(), _
	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

key

Key of of exact length for block cipher algorithm

iv

Initialization Vector (IV) of exactly the block size, or null 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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