different between cryptography vs cryptograph

English

Etymology

crypto- +? -graphy

Pronunciation

• enPR: kr?pt?g?r?f?, IPA^(key): [k???p?t?????fi?], /k??p?t??.??.fi/
• Rhymes: -????fi?

Noun

cryptography (usually uncountable, plural cryptographies)

1. The discipline concerned with communication security (eg, confidentiality of messages, integrity of messages, sender authentication, non-repudiation of messages, and many other related issues), regardless of the used medium such as pencil and paper or computers.
   • 1658, Sir Thomas Browne (first use in English):

     We might abate...the strange cryptography of Gaffarell in his Starrie Booke of Heaven.

Usage notes

• Subfields include encoding, decoding, cryptanalysis, codes, ciphers, etc.
• In many languages, though less so in English, cognates to "cryptology" are also used with the meaning given above, and even preferred.
• Related to cryptography but distinct, steganography is the art and science of writing hidden messages in such a way that no-one apart from the sender and intended recipient even realizes there is a hidden message.

Derived terms

• anticryptography
• asymmetric cryptography
• public-key cryptography

Related terms

• crypt
• cryptology
• cryptanalysis

Translations

See also

• Appendix:Glossary of cryptography

English

Etymology

crypto- +? -graph

Noun

cryptograph (plural cryptographs)

1. A cipher or cryptogram.
   • J. Earle

     decipherers of cryptograph

2. A device used for encrypting or decrypting text.

Verb

cryptograph (third-person singular simple present cryptographs, present participle cryptographing, simple past and past participle cryptographed)

1. (rare) To write text using a code or cipher.