Encryptions Study guides, Class notes & Summaries

Certified Encryption Specialist Practice Questions With Verified Solutions What type of encryption uses different keys to encrypt and decrypt the message? +Secure +Asymmetric +Private key +Symmetric Asymmetric Asymmetric cryptography, also known as public key cryptography, uses public and private keys to encrypt and decrypt data. The most widely used asymmetric encryption algorithm is what? +Caesar Cipher +Vigenere +RSA +DES RSA The RSA encryption algorithm is one of the most widely us...

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Cryptography The science of altering communication so that it cannot be understood without having a key. Caesar Cipher Simple cipher that uses shifting letters. Atbash Used by Hebrews, cipher that reverses the alphabet. ROT13 Cipher that rotate or shifts by 13 letters.

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cer/.crt/.der x.509 Digital Certificates extensions - Typically binary encoded. (.cer is Microsoft convention) AES Phases 1. SubBytes - non-linear substitution - uses Rijndael S-box 2. Shiftrows - transposition 3. MixColumns - mixing 4. AddRoundKey IKE Internet Key Exchange - Used by IPSec for Key exchange. EC Formula (y2 = x3 + Ax + B) - Developed by Victor Miller and Neil Koblitz in 1985 Rijndael Algorithm Symmetric Algorithm used for AES 3 Cryptanalysis Resources • Time (amount of ...

What type of encryption uses different keys to encrypt and decrypt the message? +Secure +Asymmetric +Private key +Symmetric Asymmetric Asymmetric cryptography, also known as public key cryptography, uses public and private keys to encrypt and decrypt data. The most widely used asymmetric encryption algorithm is what? +Caesar Cipher +Vigenere +RSA +DES RSA

EC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and AnswersEC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and AnswersEC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and AnswersEC-Council Certified Encryption Specialist v2 (ECES) - Practice Questions and Answers How did the ATBASH cipher work? a. By shifting each letter a certain number of spaces b. By Multi alphabet substitution c. By rotating text a given numbe...

EC-Council Certified Encryption Specialist (ECES) Questions and Answers 100% CorrectEC-Council Certified Encryption Specialist (ECES) Questions and Answers 100% CorrectEC-Council Certified Encryption Specialist (ECES) Questions and Answers 100% CorrectEC-Council Certified Encryption Specialist (ECES) Questions and Answers 100% CorrectWhat is cryptography? - ANSWER-Noun - A) The process or skill of communicating in or deciphering secret writings or ciphers B) Secret writing Origin - Cryptog...

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How did the ATBASH cipher work? a. By shifting each letter a certain number of spaces b. By Multi alphabet substitution c. By rotating text a given number of spaces d. By substituting each letter for the letter from the opposite end of the alphabet (i.e. A becomes Z, B becomes Y, etc.) - correct answer d. By substituting each letter for the letter from the opposite end of the alphabet (i.e. A becomes Z, B becomes Y, etc.) DES has a key space of what? a. 2^128 b. 2^192 c. 2^56 d. 2^6...