Department of Cipher (Bengali: গুপ্তসংকেত পরিদপ্তর) is a specialized department of the Government of Bangladesh under the Ministry of Defence responsible...

The Playfair cipher or Playfair square or Wheatstone–Playfair cipher is a manual symmetric encryption technique and was the first literal digram substitution...

In cryptography, a classical cipher is a type of cipher that was used historically but for the most part, has fallen into disuse. In contrast to modern...

In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or...

Cantonments (DML&C) Department of Cipher Controller General of Defence Finance (CGDF) Office of Chief Administrative Officer (CAO) Ministry of Defence Constabulary...

Bangladesh on the model of English public schools. It was put under the direct management and supervision of the armed forces of the country and military...

The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication...

because of the importance of radio communication and the ease of radio interception. The nations involved fielded a plethora of code and cipher systems...

Chamber, officially the Cable and Telegraph Section and also known as the Cipher Bureau,[clarification needed] was the first peacetime cryptanalytic organization...

Standards and Technology (NIST) in 2001. AES is a variant of the Rijndael block cipher developed by two Belgian cryptographers, Joan Daemen and Vincent Rijmen...