1. Cryptographic process of transforming encrypted data back into its pre-encryption form.

Source: Election Terminology Glossary - Draft, National Institute of Standards and Technology (NIST),

2. Process of changing encrypted text into plain text.

Source: Glossary of terms database, U.S. Election Assistance Commission,

3. The process of changing ciphertext into plain text using a cryptographic algorithm and key.

Source: The State and Local Election Cybersecurity Playbook, Defending Digital Democracy Project, Harvard Kennedy School Belfer Center for Science and International Affairs,; Source: U.S. Cyberspace Solarium Commission, March 2020,

4. The process of converting encrypted data back into its original form, so it can be understood.

5. The process of transforming ciphertext into its original plaintext.

Source: Explore Terms: A Glossary of Common Cybersecurity Terminology, National Initiative for Cybersecurity Careers and Studies (NICCS),