am creating an lo-gin application where will result in the password as pixels of images.allow me to more specific i've 3 category creatures,vehicle,baby's each category retain the there images.the user can choose pictures out of this category and choose any area of the image and may set the password (example in creatures i choose the attention of the lion because the first password) like will be able to choose as numerous passwords when i can .now how do i implement this process can anyone produce ideas or any source code to ensure that i'm able to implement this concept