Final answer:
A stegosystem includes an embedded message, a cover medium, a stego-key for encoding and decoding, a stego-space which is the range of possible modifications, and a stego-medium, which is the result after the message insertion. It's a concept in computer security used to hide messages within another medium.
Step-by-step explanation:
A stegosystem is a concept in the field of computer security and digital communication which involves the practice of concealing a message within another, non-secret, message or medium. This practice, known as steganography, typically includes the following components:
- Embedded message: This is the actual data or message that is to be hidden within the cover medium.
- Cover medium: The seemingly innocent message or data within which the embedded message is hidden. It could be an image, audio file, video, or any other kind of file that appears to be normal to an unintended observer.
- Stego-key: This is a secret key used in the steganographic process to encode or decode the embedded message, providing an additional level of security.
- Stego-space: It represents the space of all the possible steganographic modifications available in the cover medium.
- Stego-medium: The cover medium after the embedded message has been inserted; it is the end result of the steganographic process that is sent to the receiver.
Each of these components play a crucial role in the effectiveness and security of steganographic communication.