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Public key encryption uses multiple keys.ne key is used to encrypt data, while another is used to decrypt data.he key used to encrypt data is called the _______ key, while the key used to decrypt data is called the ________ key.
Read the following passage and answer the item that follows. Your answers to this item should be based on the passage only. We live in digital times. The digital is not just something we use strategically and specifically to do a few tasks. Our very perception of who we are, how we connect to the world around us, and the ways in which we define our domains of life, labour and language are hugely structured by the digital technologies. The digital is everywhere and, like air, invisible. We live within digital systems, we live with intimate gadgets, we interact through digital media, and the very presence and imagination of the digital has dramatically restructured our lives. The digital, far from being a tool, is a condition and context that defines the shapes and boundaries of our understanding of the self, the society, and the structure of governance. Which among the following is the most logical and essential message conveyed by the above passage?
The question given below consists of a statement, followed by three arguments numbered I, II and III. You have to decide which of the arguments is/are ‘strong’ arguments and which is/are ‘weak’ arguments and accordingly choose your answer from the alternatives given below each question. Statement: In an interview with ETCIO.COM, Kuruvilla Markose, Chief Digital Officer of Titan shares his perspective on how technology is serving the company’s digital vision and the various initiatives that he is spearheading to hone the competitive edge of Titan. He is the first CDO to be appointed by the software conglomerate Tata Group. He is the man who has put the Titan’s digital transformation on fast-track. Which of the following arguments support the fact that Kuruvilla Markose has put Titan’s digital transformation on fast-track? Arguments: I. Markose is a man with a vision. He is the first CDO to be appointed by the software conglomerate Tata Group. He has spent his entire two decade long career in Tata Group. He has been in customer facing roles across different group companies.  II. His CDO role is horizontal and supports Titan’s myriad business lines: watches, jewellery, bags, perfumes wallets, and eye-wear. But the man and his words are grounded. Diny, as he is popularly known, is a man of measured speech and bearing. III. “Digital innovation”, according to Markose, is all about creating value for the customer. To him, customer centricity is the road to longevity in the digital age. Under his stewardship, Titan has launched a panoply of digital initiatives aimed at improving customer centricity.
The main difference in MACs and digital signatures is that, in digital signatures the hash value of the message is encrypted with a user’s public key.
In Merkle-Hellman Cryptosystem, the public key can be used to decrypt messages, but cannot be used to decrypt messages. The private key encrypts the messages.
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the suggested courses of action logically follow(s) for pursuing. Statement: Soon you would not need to carry original copies of all vehicle papers like driving licence, vehicle registration certificate, insurance, pollution certificate or the permits issued to commercial vehicles with you. According to a ToI report, the Centre plans to amend Motor Vehicles Rules to make it legal for any citizen to carry digital vehicle documents and simultaneously making it compulsory for traffic police to accept digital version of documents. This means that you would not have to carry physical papers in your vehicle as digital copies of the certificates would be valid.  Courses of action: I. The ministry has proposed installation of FASTags on the front windscreens. FASTag is a device that uses radio frequency identification (RFID) technology for making toll payments directly from the user account.  II. To avail the facility, one has to store all the vehicle documents on the government's cloud-based service DigiLocker and when asked he/she can simply display the stored certificates on a smartphone or any other digital devices. These digital copies can be shared with other departments as identity and address proof.  III. The government has increased the maximum load carrying capacity of heavy vehicles, including trucks, by 20-25 per cent besides scrapping the mandatory annual renewal of fitness certificates for freight carriers. Fitness certificates for trucks would now be renewed in every two years not annually.  Which of the following course/courses of action can be said to be said to be a rudimentary course/courses of action?
In which of the following encryption key is used to encrypt and decrypt the data?
If we use exponentiation to encrypt/decrypt, the adversary can use logarithm to attack and this method is very efficient.
_____________ will encrypt all your system files and will ask you to pay a ransom in order to decrypt all the files and unlock the system.
Which one of the following uses a 128bit round key to encrypt the data using XOR and use it in reverse to decrypt it?