IsSemiWeakKey()

static bool System.Security.Cryptography.DES.IsSemiWeakKey ( byte[] rgbKey )

inlinestaticinherited

Definition at line 92 of file DES.cs.

    {
        if (!IsLegalKeySize(rgbKey))
        {
            throw new CryptographicException(System.SR.Cryptography_InvalidKeySize);
        }
        byte[] array = rgbKey.FixupKeyParity();
        ulong num = BinaryPrimitives.ReadUInt64BigEndian(array);
        if (num == 143554428589179390L || num == 18303189645120372225uL || num == 2296870857142767345L || num == 16149873216566784270uL || num == 135110050437988849L || num == 16141428838415593729uL || num == 2305315235293957886L || num == 18311634023271562766uL || num == 80784550989267214L || num == 2234100979542855169L || num == 16212643094166696446uL || num == 18365959522720284401uL)
        {
            return true;
        }
        return false;
    }

References System.array, System.SR.Cryptography_InvalidKeySize, System.Security.Cryptography.DES.IsLegalKeySize(), System.L, and System.Buffers.Binary.BinaryPrimitives.ReadUInt64BigEndian().

Referenced by Internal.Cryptography.DesImplementation.CreateTransform(), System.Security.Cryptography.DESCryptoServiceProvider.CreateTransform(), Internal.Cryptography.DesImplementation.GenerateKey(), and System.Security.Cryptography.DESCryptoServiceProvider.GenerateKey().