He was, in my opinion, the outstanding cryptographer of the Renaissance.
From the en.wikipedia.org
The other leads include the obligatory lapsed Catholic, a geneticist and a cryptographer.
From the newscientist.com
Kocher, a well-known cryptographer, gained notice for clever hacks on security systems.
From the smh.com.au
The company was based on the technology developed by the Israeli cryptographer Adi Shamir.
From the en.wikipedia.org
He was eventually made chief cryptographer with the rank of Admiral.
From the en.wikipedia.org
Prominent security researcher and cryptographer, published seminal works on applied cryptography.
From the infowars.com
In 2009, the focus was author and cryptographer Edgar Allan Poe.
From the sfgate.com
Between 1643 and 1689 he served as chief cryptographer for Parliament and, later, the royal court.
From the en.wikipedia.org
The English composer Edward Elgar was a keen cryptographer.
From the newscientist.com
More examples
Cryptanalyst: decoder skilled in the analysis of codes and cryptograms
(cryptography) cryptanalysis: the science of analyzing and deciphering codes and ciphers and cryptograms
(cryptography) act of writing in code or cipher
Cryptography or cryptology (from Greek u03BAu03C1u03C5u03C0u03C4u03CCu03C2 kryptu00F3s, "hidden, secret"; and u03B3u03C1u03ACu03C6u03B5u03B9u03BD graphein, "writing", or -u03BBu03BFu03B3u03AFu03B1 -logia, "study", respectively) is the practice and study of techniques for secure communication in the presence of third parties called adversaries...
(Cryptographers) See also: for an exhaustive list.
A person who is an expert on creating codes and cyphers. Someone who studies cryptology
(cryptography) 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
(Cryptography) the art of creating and using cryptosystems.
(cryptography) The art and practice of scrambling (encrypting) and unscrambling (decrypting) information. For example, cryptographic techniques are used to scramble an unscramble information flowing between commercial web sites and your browser. See also public-key cryptography.