From Longman Dictionary of Contemporary Englishdecryptde‧crypt /diːˈkrɪpt/ verb [transitive] to change a message or information on a computer back into a form that can be read, when someone has sent it to you in a type of computer code → encrypt Only certain employees will be able to decrypt sensitive documents. —decryption /diːˈkrɪpʃən/ noun [uncountable]→ See Verb table
Examples from the Corpus
decrypt• The public key is used to decrypt information at the receiver and is not kept secret.• Second, it intercepts every communication it can, from friend or foe, and tries to decrypt it.• Depending on circumstances, it can often decrypt scrambled data, for a fee, of course.• B uses the secret private key to decrypt the message and read it.• If the key was properly computed, the user can decrypt the message.From Longman Business Dictionarydecryptde‧crypt /diːˈkrɪpt/ verb [transitive] computing to change a message or information that was written in computer code back into a form that can be read and understood by everyoneOnly key employees will be allowed to decrypt sensitive documents. —decryption noun [uncountable] → compare encript→ See Verb table 