Editing image is fast and straightforward using DocHub. Skip installing software to your laptop or computer and make changes using our drag and drop document editor in just a few fast steps. DocHub is more than just a PDF editor. Users praise it for its efficiency and robust capabilities that you can use on desktop and mobile devices. You can annotate documents, generate fillable forms, use eSignatures, and send documents for completion to other people. All of this, put together with a competitive cost, makes DocHub the ideal choice to italics questionaire in image files effortlessly.
Make your next tasks even easier by turning your documents into reusable web templates. Don't worry about the protection of your records, as we securely keep them in the DocHub cloud.
So cryptography is the idea of encrypting a message so that although everyone knows the message has been sent they canamp;#39;t actually find out what it means. Whereas in steganography weamp;#39;re trying to hide the fact that weamp;#39;ve sent a message at all. So a classic example would be if i was writing you a letter and then I wrote in invisible ink a whole different letter between the lines or on the other side or something like that And only you knew that that was going to be there. So you get home and everyone else maybe looks at the letter and thinks amp;quot;itamp;#39;s not very interesting at allamp;quot;. And then of course you can uncover the secret message. Today weamp;#39;ll talk a bit about amp;quot;digital image steganographyamp;quot; because obviously thereamp;#39;s a huge scope for hiding things in digital images: Images can be megabytes or more and you can hide files of megabytes or more in them. But of course as the the amount of steganography in imag