DES.IsWeakKey(Byte[]) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Determines whether the specified key is weak.
public:
static bool IsWeakKey(cli::array <System::Byte> ^ rgbKey);
public static bool IsWeakKey (byte[] rgbKey);
static member IsWeakKey : byte[] -> bool
Public Shared Function IsWeakKey (rgbKey As Byte()) As Boolean
Parameters
- rgbKey
- Byte[]
The secret key to test for weakness.
Returns
true
if the key is weak; otherwise, false
.
Exceptions
The size of the rgbKey
parameter is not valid.
Remarks
Weak keys are keys that result in ciphers that are easy to break. If text is encrypted with a weak key, encrypting the resulting cipher again with the same weak key returns the original text. There are four known weak keys for the Data Encryption Standard (DES) algorithm; this method checks for those weak keys.
Attempting to set a weak key results in a CryptographicException. When GenerateKey is called to create a random key, a weak key will never be returned.
Applies to
See also
Athugasemdir
https://aka.ms/ContentUserFeedback.
Væntanlegt: Á árinu 2024 munum við hætta með GitHub-mál sem ábendingaleið fyrir efni og skipta því út fyrir nýtt ábendingakerfi. Frekari upplýsingar er að finna hér:Senda inn og skoða endurgjöf fyrir