Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Transcribed Image Text:2. (a) Given the RSA public key (3,70747) and private key (46811,70747).
• Encrypt the letter 'z2' using its ASCII value.
• Decrypt the result from the subtask above and generate the original text.
• Encrypt the word Cyber' two characters at a time padding with a space.
• Decrypt the following three blocks 14520 66071 27623. The blocks are the encryption of a
five-letter word, encrypted two characters at a time and padded with a space. Recover the
word.
• The blocks are the encryption of a five letter word, encrypted two characters at a time and
padded with a space. Recover the word.
• Determine the maximum block size, in bits, that this modulus can encrypt and decrypt.
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- 21. RSA problem: given plaintext P, e, prime numbers p, q, compute ciphertext C. Decrypt C and verify you get plaintext P back.arrow_forwardTranscribed Image Text Q3) Use Vigenere cipher with keyword "apples" to encrypt the message "Life is full of surprises"arrow_forwardDo only first part and use only bash script to code this dont copyarrow_forward
- Q2: Decode the following using LZ variable code. 0, 1 is NOT stored. Variable-length LZ coding. 010100110010110001100arrow_forwardQ3: Write aprogram to find a summation of an odd numbers for aset of numbers stored at memory locations from (6000 - 60FF)H, then display the result of summation at port 00H and it's flag at port 01Harrow_forward3. Your python program should be able to decrypt encrypted text as well. It should perform the opposite operation as the encrypt does. Print the decrypted textarrow_forward
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