| private static EqualBytes ( byte rgbKey, int start1, int start2, int count ) : bool | ||
| rgbKey | byte | |
| start1 | int | |
| start2 | int | |
| count | int | |
| return | bool | |
/// <summary>Determines whether the specified key is weak.</summary>
/// <param name="rgbKey">The secret key to test for weakness. </param>
/// <returns>
/// <see langword="true" /> if the key is weak; otherwise, <see langword="false" />.</returns>
/// <exception cref="T:System.Security.Cryptography.CryptographicException">The size of the <paramref name="rgbKey" /> parameter is not valid. </exception>
// Token: 0x060023CB RID: 9163 RVA: 0x000824C8 File Offset: 0x000806C8
public static bool IsWeakKey(byte[] rgbKey)
{
if (!TripleDES.IsLegalKeySize(rgbKey))
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidKeySize"));
}
byte[] array = Utils.FixupKeyParity(rgbKey);
return(TripleDES.EqualBytes(array, 0, 8, 8) || (array.Length == 24 && TripleDES.EqualBytes(array, 8, 16, 8)));
}