Definition(s)
Cryptography
The mathematical science that deals with cryptanalysis and cryptography.
From: CNSSI 4009
Source: NICCS™ Portal Cybersecurity Lexicon, National Initiative for Cybersecurity Careers and Studies (https://niccs.us-cert.gov/glossary) as of 11 November 2015, Global Standards
Cryptography
The use of mathematical techniques to provide security services, such as confidentiality, data integrity, entity authentication, and data origin authentication.
Extended Definition: The art or science concerning the principles, means, and methods for converting plaintext into ciphertext and for restoring encrypted ciphertext to plaintext.
From: NIST SP 800-130; Adapted from: CNSSI 4009
Source: NICCS™ Portal Cybersecurity Lexicon, National Initiative for Cybersecurity Careers and Studies (https://niccs.us-cert.gov/glossary) as of 11 November 2015, Global Standards