Which algorithm was the first to be found suitable for both digital signing and encryption？（）

Whichexampleisofafunctionintendedforcryptographichashin...

单项选择题Which example is of a function intended for cryptographic hashing？（）

Whichoneofthefollowingitemsmaybeaddedtoapasswordstoredi...

单项选择题Which one of the following items may be added to a password stored in MD5 to make it more secure？（）

Whichitemisthegreatmajorityofsoftwarevulnerabilitiestha...

单项选择题Which item is the great majority of software vulnerabilities that have been discovered？（）