Ciphers.

Advanced linear cryptanalysis of block and stream ciphers[electronic resource] / by: (Language materials, printed)

Abraham Lincoln's cyphering book and ten other extraordinary cyphering books[electronic resource] / by: (Language materials, printed)

Codes and ciphers :Julius Caesar, the Enigma, and the internet / by: (Language materials, printed)

Security of block ciphers[electronic resource] :from algorithm design to hardware implementation / by: (Electronic resources)

Secret history[electronic resource] :the story of cryptology / by: (Electronic resources)

Ciphers.

Cryptography.

Ciphers.

Education.

Mathematics Education.

Sociology of Education.

Ciphers.

Cryptography.

Ciphers.

Computer algorithms.

Data encryption (Computer science)

Computer security

Computer security.

Ciphers.

Cryptography

Data encryption (Computer science)