SECURE DATA TRANSMISSION USING AUDIO BASED STEGANOGRAPHIC ALGORITHM ABSTRACT: In any communication security is the most important issue in today’s world. The Information security deals with confidentiality, integrity and availability of data. Information hiding technique is a new kind of secret communication technology. Secret messages are hidden inside computer files such as images, sound files, videos and even executable files so that, no one except the sender and the receiver will suspect the existence of stealth information in it. Cryptography is used to encrypt the data so that it is unreadable by a third party.
Availability is the facet of IA where information must be available for use by those that are allowed to access it. Protecting the availability can involve protecting against malicious code, hackers and any other threat that could impede access to the information system. Authentication involves ensuring that users are who they say they are. Methods used for authentication are user names, passwords, biometrics, tokens and other devices. Authentication is also used in other ways -- not just for identifying users, but also for identifying devices and data messages.
Step 1: Selects a random integer r in [1, n – 1] Step 2: Computes R = rG Step 3: Computes K = hrQB = (Kx, Ky), checks that K O Step 4: Computes keys k1||k2 = KDF(Kx) where KDF is a key derivation function, which derives cryptographic keys from a shared secret Computes c = ENCk1(m) where m is the message to be sent and ENC a symmetric encryption algorithm Step 5: Compute t = MACk2(c) where MAC is message authentication code Step 6: Sends (R, c, t) to Bob To decrypt a cipher text, Bob performs the following steps Step 1: Perform a partial key validation on R (check if R O, check if the coordinates of R are properly represented elements in Fq and check if R lies on the elliptic curve defined by a and b) Step 2: Computes KB = h.dB.R = (Kx, Ky ) , check K O Step 3: Compute k1, k2 = KDF (Kx) Step 4: Verify that t = MACk2(c) Step 5: Computes m = We can see that K = KB, since K = h.r.QB = h.r.dB.G = h.dB.r.G = h.dB.R = KB ECC Digital Signature: Alice, with domain parameters D = (q, FR, a, b, G, n, h), public key Q and private key d, does the following steps to sign the message m Step 1: Selects a Random number k [1, n – 1] Step 2: Computes Point kG = (x, y) and r = x mod n, if r = 0 then goto Step
Further, all wills are public documents and any bequests and devises contained therein may be on view for all the world to see. Naturally, however, there are some testators and testatrices who would rather keep certain legacies secret: perhaps a bequest to a mis�tress, or provision for children of an illicit liaison. The equitable doctrine of secret trusts allows shy testators to make 'private' bequests and so avoid embarrassment to many parties. In essence, secret trusts are those trusts which, although contained in a will, are valid without the need to satisfy the conditions laid down in s 9 of the Wills Act. They allow the testator or testatrix to make such dispositions as he or she pleases without the details being made public, save only to the person who is bound to put into effect those wishes.
(firearmsid.com) You also do not want to process the questionable document with fingerprint powder or chemicals because this can cause damage to the document and ruin the evidence. (firearmsid.com) Once the questionable document has been collected and secured the document examiner can move on to collecting known handwriting samples. When collecting known handwriting samples a good thing to keep in mind is that you can never have too many known samples. (Saferstein, 2011) Every person has a natural variation in their handwriting which makes every sample a slight bit different, so the more comparison handwriting you have the better chance the examiner will have of making a clear decision.
ABSTRACT:In today's growing word cyber security is very necessary because,As technology provides many facility to us it also some effects like security threats and cyber attacks.To protect the data from hanker and the cyber attacks we will require the cyber security. Cyber security is a process to save the networks, computer programs and data from the illegal access or users that aim to access users data for personal uses and benefits.For protection of data many organizations develop a softwares. These software help to protect the data and information. Cyber security playing a big role in developing a technology and other services like internet.we only thing about the ‘cyber security’ whenever we listen about the cyber crimes.This paper describe the cyber security ,cyber
For example, users have to speak a PIN (Personal Identification Number) in order to gain access to the laboratory door, or users have to speak their credit card number over the telephone line to verify their identity. By checking the voice characteristics of the input utterance, using an automatic speaker recognition system similar to the one that we will describe, the system is able to add an extra level of security. Principles of Speaker Recognition Speaker recognition can be classified into identification and verification. Speaker identification is the process of determining which registered speaker provides a given utterance. Speaker verification, on the other hand, is the process of accepting or rejecting the identity claim of a speaker.
The illegal copying of some types of media has been a subject of concern for many years. As a result, an urgent solution for copyright protection and authentication is needed. Digital watermarking is an effective solution to protect intellectual properties and copyrights by hiding information such as logos, signatures or text into multimedia data such as images, videos, or audio files. In the past, using analogue devices posed a lower risk than with digital media; copying an analogue file allows results in a degradation of the quality. However, with digital media recording devices, songs and movies can be produced with no degradation whatsoever in quality, since the data are a stream of 1’s and
Products are tagged and large antenna readers are placed at each exit of the store to detect unauthorized removal of the item. Portable Data Capture systems: Characterized by the use of portable RFID readers, which enables this system to be used in variable settings. 2. How do these applications threaten personal privacy? How serious is this threat?
For individuals and organisations these malicious programs can collect authentication data such as account details and passwords which can be later used for cybercrime or hacking. • Spyware: software that covertly transmits data about the activities a user is performing on their system. Spyware can also be used to install additional software, redirect browser searches, change computer settings or disrupt network connections. Typically, spyware is installed during the installation of a piece of free software. • Phishing: is the act of sending emails purportedly from a reputable company in order to trick a user into revealing personal information such as passwords and account details which will be later used for cybercrime.