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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.
Which of the following statements is/are correct If A and B are two symmetric matrices of order n then 1. A + B is also a symmetric matrix. 2. AB is a symmetric matrix
Which of the following statements is/are true If A and B are two skew-symmetric matrices of order n then 1. A ⋅ B is a skew symmetric matrix when AB = - BA 2. A ⋅ B is a symmetric matrix when AB = BA
Which of the following statements is/are true  If A is a symmetric matrix of order n then 1. k ⋅ A is a symmetric matrix where k is any real number. 2. Am is a symmetric matrix where m ∈ N
Which of the following statements is/are true: If A is a skew-symmetric matrix of order n then 1. A2m is a symmetric matrix where m is a positive integer. 2. A2m + 1 is a skew - symmetric matrix where m is a positive integer.
A pulley is connected to a power transmission shaft of diameter d by means of a rectangular sunk key of width w and length l. The width of the key is taken as d/4. For full power transmission, the shearing strength of the key is equal to the torsional shearing strength of the shaft. The ratio of the length of the key to the diameter of the shaft (l/d) is
What will be the plain text corresponding to cipher text “SEDGKG” if beaufort cipher is used with key as “KEY”?
What will be the plain text corresponding to cipher text “XKS” if the bifid cipher is used with key as “KEY” and period as 5?
In Playfair cipher, at first, a key table is produced. That key table is a 5 by 5 grid of alphabets which operates as the key to encrypt the plaintext.
A private key and its mathematically related public key, which are so related that the public key, can verify a digital signature created by the private key, in an Asymmetric Crypto system means: