Steganography Analysis : Steganography And Cryptography

M2 – Explain the operation and use of encryption technique in ensuring security of transmitted information

Steganography in the context of digital content piracy serves primarily as a method to track where digital assets are moving or who is receiving them. It can be a good solution for distribution of a small number of copies but becomes less effective when distributing on a wide basis. In order for it to be effective a content provider needs to recover the content by means of the unauthorized channel and examine the indicator marked on the copy. This is cumbersome for wide distribution but can be used on a broad basis such as by region. Region coding is used with many DVD releases for example but can also be considered a type of DRM (Andrew,

Protecting data through cryptography from unauthorized eyes is a high priority for organizations that store personal information. Cryptography is the process of hiding the real meaning of a message through a pre-determined code that is only known to the person encrypting and decrypting a message. Different forms of cryptography can be seen in our everyday life from the word puzzle in daily newspapers to secretaries writing in short hand. Cryptography has been around since the time of the Egyptians and has made many advances through the years.

Sophisticated watermark embedding is a potential method to discourage unauthorized copying or attest the origin of the images.One approach used to address this problem is to add a visible or invisible structure to an image that can be used to seal or mark it. These structures are known as digital watermarks. Digital watermark is a kind of technology that embeds copyright information into multimedia data. Each watermark method consists of an embedding algorithm and an extracting algorithm. The embedding algorithm inserts the watermark information in the data and the extracting algorithm decodes the watermark information. Some methods extract the whole watermark information(decoder) and others determine only its existence(detector), the detection process decides (yes) if the watermark is found and decides(no) if the watermark is

Steganography is art of hiding the secret message within an ordinary message and extraction of its destination. Steganography take cryptography a step farther by hiding an encrypted message so that no one finds the existence of the message. If anyone scans your data will fail to know that it contain encrypted data. Steganography maintain the secure communication between the communicating parties. There are different techniques that are used for hiding the secret data as Steganography, Cryptography and Watermarking. There are various drawbacks of the cryptography that are covered by the Steganography. This paper reviews the Steganography techniques and various matrices for performance analysis of Steganography techniques.

Image Steganography: In today’s digital world secret messages get embedded in to the digital image which is called as Image Steganography where cover object used is Image . Because of the limited power of the Human vision system this method is most commonly used [5].

Abstract- The utilization of PC systems for information transmissions has made the need of security. The security of this intuitive media data should be possible with encryption or information concealing calculations. To diminish the transmission time, the information pressure is necessary. Since couple of years, an issue is to attempt to join pressure, encryption and information covering up in a solitary stride. Picture security turns out to be progressively critical for some applications, e.g., secret transmission, video reconnaissance, military and therapeutic applications. These days, the transmission of pictures is an every day routine and it is important to locate a proficient approach to transmit them over systems. They send Secret message over channel utilizing Cryptography and Steganography calculations by AES (Advanced Encryption Standard). It is utilized to scramble the information from plain content to figure content the other way around. There are two sorts of keys accessible in the cryptography, symmetric and asymmetric. There are utilizing symmetric key which is separated into two key, for example, private and open key. Open key is utilized for encryption and private key is utilized for decoding. The reversible information concealing method is utilized to recover the information and picture

For the purpose of this paper, I will be focusing on Steganography, which I believe is the most efficient part of steganography. Unlike other Information hiding methods where the encryption is usually detectable, steganography takes it further by hiding the message within mediums like images, main it almost impossible to detect. The purpose of this paper is to explain Steganography, how it works compared to other methods and show methods of application and types of steganography.

In this modern era, the computer and internet have becomes the most effective and fastest media for communication that connect different parts of the global world. As a result, people can easily exchange information and share information with the others via the internet. However, the information security requires the confidential data that needs to be protected from the unauthorized users. Steganography is one of the methods used for the secure transmission of confidential information. It can provide a high level of security to secure the important data during combined with encryption.

in our daily life. To conclude, privacy and personal security issues are the results of

            Some data is very sensitive and therefore it has to be hidden away from parties who are not supposed to view it. In this age of computers, their capacity for transfer and retrieval of information may be exploited by other parties to gain access to confidential and potentially dangerous data. Therefore, measures have been taken to ensure that data is not accessed by others which is done by using several methods which, besides physical security, includes the use of encryption algorithms which are programs that change the way information looks by rendering it illegible.

The development of an algorithm to encrypt binary images, they were also aware of the eventual need to encrypt gray and colour images. In the last section of their paper, they proposed a technique which involved printing each of the pixels in an image as half black - half white circles. This allowed the rotation angle of the corresponding circles to vary

Many digital services need reliable protection in storage and transmission of digital images. Due to the quick development of the internet in the digital globe nowadays, the protection of digital pictures has come to be extra vital and enticed far attention. The prevalence of multimedia knowledge in our area has promoted digital pictures to frolic a extra momentous act than the established texts, that demand weighty protection of users ' privacy for all applications.

Steganography is the practice of concealing a file, message, and important information of any format as text, image, audio or video within another file, message, of any format. Steganography is the art of hiding the information in some other host object and it has been used since ancient time by the people. In ancient time, secret information is hidden in the back of wax, scalp of the slaves, in rabbits etc. The word steganography used from the past combines the Greek words steganos, meaning "covered, concealed, or protected", and graphein meaning "writing" [1]

Cryptography is a method of storing and transmitting data in a particular form so that only those for whom it is intended can read and process it. (Rouse, Definition: Cryptography, 2016)