Cryptography Questions and answers Cryptography Questions and answers, Exams of Nursing

Download Cryptography Questions and answers Cryptography Questions and answers and more Exams Nursing in PDF only on Docsity! Cryptography Questions and answers AES - CORRECT ANSWERS✅ Advanced Encryption Standard: A symmetric cipher that has been approved as a replacement for DES Algorithm - CORRECT ANSWERS✅ Procedures based on mathematical formula; used to encrypt dada. Asymmetric Cryptographic Algorithm - CORRECT ANSWERS✅ Encryption that uses two mathematically related keys. Bitlocker - CORRECT ANSWERS✅ A Microsoft Windows Vista hardware enabled data encryption feature. Block Cipher - CORRECT ANSWERS✅ A cipher that manipulates an entire block of plaintext at the same time. Cleartext - CORRECT ANSWERS✅ Unencrypted data Blowfish - CORRECT ANSWERS✅ A block cipher that operates on 64-bit blocks and can have a key length from 32 to 448 bits. Ciphertext - CORRECT ANSWERS✅ Data that has been encrypted. Cryptography Questions and answers Collision - CORRECT ANSWERS✅ In cryptography, two different sets of data that produce the same hash. Cryptography - CORRECT ANSWERS✅ The science of transforming information into an unintelligible form while it is being transmitted or stored so that unauthorized users can't access it. DES - CORRECT ANSWERS✅ Data Encryption Standard: A symmetric block cipher that encrypts data in 64-bit blocks. Decryption - CORRECT ANSWERS✅ The process of changing ciphertext into plaintext. Diffie-Hellman - CORRECT ANSWERS✅ A cryptographic algorithm that allows two users to share a secret key securely over a public network. Digest - CORRECT ANSWERS✅ The unique signature created by a hashing algorithm. Digital Signature - CORRECT ANSWERS✅ An electronic verification of a sender. Cryptography Questions and answers MD5 - CORRECT ANSWERS✅ Message Digest 5: A revision of MD4 that is designed to address its weaknesses. Metadata - CORRECT ANSWERS✅ Data that is used to describe the content or structure of the actual data. Monoalphabetic Substitution Cipher - CORRECT ANSWERS✅ A cipher that simply substitutes one letter or character for another. Nonrepudiation - CORRECT ANSWERS✅ The process of proving that a user performed an action. OTP - CORRECT ANSWERS✅ On-Time Pad: Compining a truly random key with plaintext. One-way Hash - CORRECT ANSWERS✅ The process of creating a unique signature of a set of data. Pad - CORRECT ANSWERS✅ In cryptography, a truly random key. Cryptography Questions and answers Padding - CORRECT ANSWERS✅ Additional data that is added to a hash to make it the correct number of bytes. Plaintext - CORRECT ANSWERS✅ Data input into an encryption algorithm. PGP - CORRECT ANSWERS✅ Pretty Good Privacy: A commercial product that is commonly used to encrypt e-mail messages. Private Key - CORRECT ANSWERS✅ An asymmetric encryption key that does have to be protected. Private Key Cryptography - CORRECT ANSWERS✅ Cryptographic algorithms that use a single key to encrypt and decrypt a message. Public Key - CORRECT ANSWERS✅ An asymmetric encryption key that does not have to be protected. Public Key Cryptography - CORRECT ANSWERS✅ Encryption that uses two mathematically related keys. RC2 - CORRECT ANSWERS✅ A block cipher that processes blocks of 64 bits. Cryptography Questions and answers RC4 - CORRECT ANSWERS✅ A stream cipher that will accept keys up to 128 bits in length. RC5 - CORRECT ANSWERS✅ A block cipher that can accept different length keys & blocks. RC6 - CORRECT ANSWERS✅ A cipher that has three key sizes (128,192, and 256 bit) and performs 20 rounds on each block. RC - CORRECT ANSWERS✅ Rivest Cipher: A family of cipher algorithms designed by Ron Rivest. RSA - CORRECT ANSWERS✅ An asymmetric algorithm published in 1977 and patented by MIT in 1983. SHA - CORRECT ANSWERS✅ Secure Hash Algorithm: A Secure Hash Algorithm that creats hash values of longer lengths. SHA-1 - CORRECT ANSWERS✅ The first version of Secure Hash Algorithm. Cryptography Questions and answers Certificate Policy (CP) - CORRECT ANSWERS✅ A published set of rules that govern the operation of a PKI. Certificate Practice Statement (CPS) - CORRECT ANSWERS✅ A technical document that describes in detail how the CA uses and manages certificates. Certificate Repository (CR) - CORRECT ANSWERS✅ A publicly accessible directory that contains digital certificates. Certificate Revocation List (CRL) - CORRECT ANSWERS✅ A repository that lists revoked digital certificates. digital certificates - CORRECT ANSWERS✅ A technology used to associate a user's identity to a public key. direct trust - CORRECT ANSWERS✅ A type of trust model in which a relationship exits between two individuals because one person knows the other person. distributed trust model - CORRECT ANSWERS✅ A trust model that has multiple CAs that sign digital certificates. Cryptography Questions and answers dual-sided certificate - CORRECT ANSWERS✅ A digital certificate in which the functionality is split between two certificates. Encapsulating Security Payload (ESP) - CORRECT ANSWERS✅ An IPsec protocol through which confidentiality is achieved. encryption certificate - CORRECT ANSWERS✅ a dual-sided certificate used for the actual encryption of the message. Extended Validation SSL Certificates (EV SSLs) - CORRECT ANSWERS✅ An enhanced server digital certificate that requires more extensive verification on the legitimacy of the business. File Transfer Protocol (FTP) - CORRECT ANSWERS✅ A protocol of the TCP/IP suite used for transferring files. hierarcical trust model - CORRECT ANSWERS✅ A trust model that has a single hierarchy with one master CA. Cryptography Questions and answers Internet Security Association & Key Management Protocol/Oakley (ISAKAMP/Oakley) - CORRECT ANSWERS✅ An IPsec protocol that allows the receiver to obtain a key & authenticate the sender using digital certificates. HTTPS (Hypertext Transport Protocol over Secure Socket Layer) - CORRECT ANSWERS✅ A secure version of HTTP sent over SSL/TLS.