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What two levels of functionality comprise a message authentication or digital signature mechanism?
A message authentication or digital signature mechanism comprises two levels of functionality: authentication and integrity. Authentication ensures that the message originates from a verified sender, while integrity guarantees that the message has not been altered during transmission. Together, these functions provide a secure way to confirm both the identity of the sender and the authenticity of the message content.
What authentication also uses the DES algorithm?
Message
What authentication also uses DES algorithm?
Message
What is a hash function?
hash function is technique used in message authentication it is attached to the message for security purpose
What information is in an Ethernet header and trailer?
The Basic Header contains information about the source of the message. The Application Header contains information about the message type and the destination of the message. The contents of the trailer block include both user information (checksum, message authentication, proprietary authentication, and so on) and system information (delayed message, message reference, possible duplicate message, and so on).
WTLS ensures integrity through what device?
Message authentication codes
What types of attacks are addressed by message authentication?
Message authentication primarily addresses attacks that involve tampering with messages, such as modification, replay, and forgery. It ensures the integrity and authenticity of a message by verifying that it has not been altered in transit and that it originates from a legitimate source. This protects against man-in-the-middle attacks and prevents unauthorized users from impersonating legitimate senders. Overall, message authentication is crucial for maintaining trust in communications.
Whart are the different web authentication mechanism?
The most common form of authentication is the password based authentication
The first ATMs said mac on them what does mac mean?
Message Authentication Code.
Why is there a need for a BKE Bilateral Key Exchange for 2 US banks?
Because a Bilateral Key allows secure communication across the SWIFT network. The text of a swift message and the authentication key are used to generate a message authentication code or MAC. The MAC ensures the origin of a message and the authenticity of the message contents.
What are the different approaches which can be applied in decision making?
What are the different approaches which can be applied in each condition?
Why the leading two octets of message digest are stored in PGP message along with the encrypted message digest?
Leading two octets of message digest: L, To enable the recipient to determine if the correct public key (k(A) e ) was used to decrypt the message digest for authentication, by comparing this plaintext copy of the first two octets with the first two octets of the decrypted digest. These octets also serve as a 16-bit frame-check sequence for the message, for authentication and error detection.
