What if they have a system which just runs an app that takes a picture with a phone and encodes the data in the least significant bits of the photo? If they can keep the LSB order random using an crytographically secure PRNG, it would be somewhat secure.
The problem is, if an adversary believes a photo contains stego info, then it just becomes a crypto problem. Stego is just a form of security through obscurity, which generally isnt a good security policy.
slayemin t1_jbaxl31 wrote
Reply to comment by volci in A group of researchers has achieved a breakthrough in secure communications by developing an algorithm that conceals sensitive information so effectively that it is impossible to detect that anything has been hidden by thebelsnickle1991
What if they have a system which just runs an app that takes a picture with a phone and encodes the data in the least significant bits of the photo? If they can keep the LSB order random using an crytographically secure PRNG, it would be somewhat secure. The problem is, if an adversary believes a photo contains stego info, then it just becomes a crypto problem. Stego is just a form of security through obscurity, which generally isnt a good security policy.