Is an extended version of hypertext transfer protocol that provides for the encryption of protected e mail transmitted via the Internet between a client and server?

T/F? 285 computers can crack a 56-bit key in one year; ten times as many would do it in a little over a month.

To perform the Caesar cipher encryption operation, the pad values are added to numeric values that represent the plaintext that needs to be encrypted.

T/F? In 1917, Gilbert S. Vernam, an AT&T employee, invented a polyalphabetic cipher machine that used a nonrepeating random key.

T/F? The AES algorithm was the first public key encryption algorithm

T/F? Dictionary attacks are a collection of brute-force methods that attempt to deduce statistical relationships between the structure of the unknown key and the ciphertext generated by the cryptosystem.
Encryption is simply the process of hiding the true meaning of information

False (Correlation attacks)

T/F? The SHTTP, security solution provides six services: authentication by digital signatures, message encryption, compression, e-mail compatibility, segmentation, and key management.

T/F? Nonrepudiation means customers or partners can be held accountable for transactions, such as online purchases, which they cannot later dispute.

T/F? After breaking an encryption, the attacker may launch a replay attack, which is an attempt to resubmit a recording of the deciphered authentication to gain entry into a secure source.

T/F? You can combine the XOR operation with a block cipher operation

T/F? SSL builds on the encoding format of the Multipurpose Internet Mail Extensions (MIME) protocol and uses digital signatures based on public key cryptosystems to secure e-mail.

T/F? The most common hybrid system is based on the Diffie-Hellman key exchange, which is a method for exchanging private keys using public key encryption.

T/F? Standard HTTP (S-HTTP) is an extended version of Hypertext Transfer Protocol that provides for the encryption of individual messages transmitted via the Internet between a client and server.

T/F? Common implementations of RA include systems that issue digital certificates to users and servers; directory enrollment; key issuing systems; tools for managing the key issuance; and verification and return of certificates.

T/F? Sequence encryption is a series of encryptions and decryptions between a number of systems, wherein each system in a network decrypts the message sent to it and then reencrypts it using different keys and sends it to the next neighbor, and this process continues until the message reaches the final destination

T/F? The encapsulating security payload (ESP) protocol provides secrecy for the contents of network communications as well as system-to-system authentication and data integrity verification.

T/F? Hashing functions require the use of keys

T/F? One encryption method made popular by spy movies involves using the text in a book as the key to decrypt a message.

T/F? Secure Electronic Transactions (SET) was developed by MasterCard and VISA in 1997 to protect against electronic payment fraud.

T/F? The application header (AH) protocol does not provide secrecy for the content of a network communication

____ functions are mathematical algorithms that generate a message summary, or digest, that can be used to confirm the identity of a specific message and to confirm that the message has not been altered.

The CA periodically distributes a ____ to all users.

certificate revocation list (CRL)

A ____ is the information used in conjunction with an algorithm to create the ciphertext from the plaintext or derive the plaintext from the ciphertext

____ is the entire range of values that can be used to construct an individual key

____ is the process of converting a message into a form that is unreadable to unauthorized individuals.

____ is a federal information processing standard (FIPS) that specifies a cryptographic algorithm used within the U.S. government to protect information in federal agencies that are not a part of the national defense infrastructure.

____ is an integrated system of software, encryption methodologies, protocols, legal agreements, and third-party services that enables users to communicate securely.

Public-key Infrastructure (PKI)

In a ____ attack, the attacker eavesdrops on the victim’s session and uses statistical analysis of patterns and inter-keystroke timings to discern sensitive session information.

____ is the amount of effort (usually in hours) required to perform cryptanalysis to decode an encrypted message when the key or algorithm (or both) are unknown

As implemented, DES uses a __-bit block size

The ____ algorithm was the first public key encryption algorithm developed (in 1977) and published for commercial use

____ attacks are a collection of brute-force methods that attempt to deduce statistical relationships between the structure of the unknown key and the ciphertext generated by the cryptosystem

SHA-1 produces a ___-bit message digest, which can be used as an input to a digital signature algorithm.

____ are encrypted messages that can be mathematically proven authentic.

An X.509 v3 certificate binds a ____, which uniquely identifies a certificate entity, to a user’s public key

Which Internet protocol is used to transmit encrypted data?

What is secure hypertext transfer protocol?

Which of the following protocols are used to secure HTTP?

Which TCP IP protocol is a secure form of HTTP that uses SSL as a sub layer for security?