WorksheetsUnderstanding PGP Services
Total questions: 10
Worksheet time: 10mins
What are the five services that PGP consists of?
Authentication
Confidentiality
Compression
E-mail compatibility
Segmentation
What hash function is used for authentication in PGP?
SHA-1
MD5
SHA-256
What encryption methods are used for confidentiality in PGP?
CAST-128
IDEA
3DES
AES
What is the maximum length of a message in PGP?
50,000 octets
100,000 octets
200,000 octets
What types of keys does PGP make use of?
One-time session symmetric keys
Public keys
Private keys
Passphrase based symmetric keys
What fields are present in the private key ring?
Key ID
Timestamp
Public key
Encrypted private key
User ID
Which algorithms are used for message encryption?
PGP compresses the message after applying the signature but before
encryption.
True
False
Number of PGP services
Data structure used to store the public/private key pairs owned by that node
