Toy protocol: insecure against active attacks
{"Image DocumentName": "Toy protocol: insecure against active attacks", "Image ImageDescription": "Example: insecure against replay attacks. Attacker records session between Alice and merchant Bob. For example a book order. Attacker replays session to Bob. Bob thinks Alice is ordering another copy of book.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}