Triple des - Study guides, Class notes & Summaries

Which of the following phases of a system development life-cycle is most concerned with authenticating users and processes to ensure appropriate access control decisions? - Correct Answer-Operation and maintenance What is the effective key size of DES? - Correct Answer-56 bit What are two types of ciphers? - Correct Answer-Transposition and substitution When block chaining cryptography is used, what type of code is calculated and appended to the data to ensure authenticity? - Correct Answe...

CEH V11 Cheat Sheet 1 with Revised Answers Regional Registry Coverage Map - Answer-North America - ARIn South America - Lacnic Europe - Ripe Africa - AFRINIC Asia - APNIC Symmetric Encryption - Answer-Type of cryptography. secret-key, shared-key-private key.) uses same key for encryption and decryption. DES - Answer-Symmetric Algo. Data Encryption Standard - the archetypal block cipher. Designed to encipher and decipher blocks of data consisting of 64 bits under control of a 56bit key...

CSSLP Questions and Answers with 100%Correct Solutions. *-property - correct answer Pronounced "star property," this aspect of the Bell-LaPadula security model is commonly referred to as the "no-write-down" rule because it doesn't allow a user to write to a file with a lower security classification, thus preserving confidentiality. 3DES - correct answer Triple DES encryption—three rounds of DES encryption used to improve security. 802.11 - correct answer A family of standards that ...

CSSLP Questions and Answers with 100%Correct Solutions. *-property - correct answer Pronounced "star property," this aspect of the Bell-LaPadula security model is commonly referred to as the "no-write-down" rule because it doesn't allow a user to write to a file with a lower security classification, thus preserving confidentiality. 3DES - correct answer Triple DES encryption—three rounds of DES encryption used to improve security. 802.11 - correct answer A family of standards that ...

Which of the following phases of a system development life-cycle is most concerned with authenticating users and processes to ensure appropriate access control decisions? - Operation and maintenance What is the effective key size of DES? - 56 bit What are two types of ciphers? - Transposition and substitution When block chaining cryptography is used, what type of code is calculated and appended to the data to ensure authenticity? - Message authentication code Which of the following is the ...

CSSLP Questions and Answers with 100%Correct Solutions. *-property - correct answer Pronounced "star property," this aspect of the Bell-LaPadula security model is commonly referred to as the "no-write-down" rule because it doesn't allow a user to write to a file with a lower security classification, thus preserving confidentiality. 3DES - correct answer Triple DES encryption—three rounds of DES encryption used to improve security. 802.11 - correct answer A family of standards that ...

ch4 3DES, AES, and Modes of OperationMultiple Encryption - correct answer the process of encrypting an already encrypted message one or more times Double DES - correct answer The simplest form of multiple encryption has two encryption stages and two keys Given the potential vulnerability of DES to a brute-force attack, what are the alternatives? - correct answer - design a new algorithm AES for example - to use multiple encryption with DES and multiple keys. double DES strengths? - cor...

____ is a command-line network-debugging tool. - Tcpdump Modern BlackBerry devices have ARM7 or ____ processors - ARM9 ____ is completely passive and is capable of detecting traffic from WAPs and wireless clients. It works on both open and closed networks. - Kismet THe ipod touch uses the ____ OS as it's operating system - iPhone The iPhone OS ____ layer provides the kernel environment, drivers, and basic interfaces of the operating system. - Core OS The goal of a(n) ____ attack is to de...

Cryptography provides 5 basic protections, what are they? Confidentiality Integrity Availability Authentication Non-repudiation What are some Symmetric key disadvantages. Key management depends on all users to keep key secret Not easily scalable to large groups Symmetric key advantages. (List 2) Symmetric key algorithms are very fast High security especially with large key sizes Name 2 encryption methods. Block Cipher Stream Cipher _____ cipher encry...

ch4 | 3DES, AES, and Modes of Operation correctly answered Multiple Encryption - correct answer the process of encrypting an already encrypted message one or more times Double DES - correct answer The simplest form of multiple encryption has two encryption stages and two keys Given the potential vulnerability of DES to a brute-force attack, what are the alternatives? - correct answer - design a new algorithm AES for example - to use multiple encryption with DES and multiple keys. dou...