Secure Video Compression: Video Encryption

INFORMATION EXCHANGE VIA WIRELESS CHANNELS IS INCREASING NOWADAYS. THE DATA TRANSMITTED IS IN THE FORM OF TEXT AND MULTIMEDIA CONTENT AS AUDIO, VIDEO AND IMAGES. AS THE TRANSMISSION CHANNEL IS VERY UNSECURE SO VARIOUS TECNIQUES ARE USED TO SECURE THE DATA BEFORE TRANSMISSION. THE MEASURES TAKEN TO PROVIDE SECURITY IS DIFFERENT FOR DIFFERENT TYPE OF DATA AS TRADITIONAL CIPHERS LIKE AES AND DES ARE USED FOR TEXT DATA WHILE THESE TRADITIONAL CIPHERS CANNOT BE DIRECTLY USED FOR MULTIMEDIA CONTENTS. THIS WORK DEALS WITH THE VIDEO ENCRYPTION ENCORPORATING ENCRYPTION AT TRANSFORM ENCODING STAGE OF COMPRESSION PROCESS