Decryption

nouncandidate·updated May 12, 2026

The process of changing ciphertext into plaintext using a cryptographic algorithm and key.

Framework senses

9 senses across 7 frameworks

SANS Glossary of Security Terms1 senseview framework →

§1: Decryption is the process of transforming an encrypted message into its original plaintext.

National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →

§1 · extended_definition_available: The process of transforming ciphertext into its original plaintext.

ISACA Cybersecurity Glossary1 senseview framework →

§1: A technique used to recover the original plaintext from the ciphertext so that it is intelligible to the reader The decryption is a reverse process of the encryption.

NISTIR 7298: Glossary of Key Information Security Terms, Revision 23 sensesview framework →

§1: The process of transforming ciphertext into plaintext.
§2 · sense_2_pending_review: The process of changing ciphertext into plaintext using a cryptographic algorithm and key.
§3 · sense_3_pending_review: Conversion of ciphertext to plaintext through the use of a cryptographic algorithm.

NIST SP 800-211 senseview framework →

§1: The process of changing ciphertext into plaintext using a cryptographic algorithm and key.

NIST SP 800-671 senseview framework →

FIPS PUB 1851 senseview framework →

§1: Conversion of ciphertext to plaintext through the use of a cryptographic algorithm.