الخلاصة

In this paper , a flexible method was introduced for encryption and decryption of digital images .The method based on analyzing of original matrix image via two operations. First the matrix is transformed to remainder matrix via modular numbers technique. Second the remainder matrix is analyzed using singular values decomposition. For more complexity, two keys was designed, the one was assigning to modular technique and the other was assigned to SVD technique. The goodness of composed proposed method cited with different updated methods. The test tables of numerical comparisons appears the high level of goodness for our method. Also there is no errors between original image and deciphering test images.