Higford and Barker were interrogated, the letters were partly deciphered, and a search for the cipher key at Howard House uncovered a ciphered letter from Mary Stuart hidden under a doormat.
12.
With the code books and cipher key, the British were able to track the movements of most German warships; this information could be passed on to the Admiral Jutland in May 1916.
13.
Identical random-number sequences generated simultaneously by pairs of widely separated twins would serve as cipher keys equivalent to the " one-time pads " used by spies and governments to encode and decode ultra-secret messages.
14.
By taking the obvious base three trigrams system of Liber XXVII, and by comparing them to the cipher key of ALW, these inversions resulted in'Cipher X'which, technically speaking, is the base three inversion of the ALW Cipher.
15.
Among the data present on ISIM are an IP Multimedia Private Identity ( IMPI ), the home operator domain name, one or more IP Multimedia Public Identity ( IMPU ) and a long-term secret used to authenticate and calculate cipher keys.
16.
From the position of the aperture one could calculate the order of the rotors, the setting of their rings, and, by comparing the letters of the cipher keys with the letters in the machine, likewise permutation S; in other words, the entire cipher key . }}
17.
From the position of the aperture one could calculate the order of the rotors, the setting of their rings, and, by comparing the letters of the cipher keys with the letters in the machine, likewise permutation S; in other words, the entire cipher key . }}
18.
*The most obvious and, in principle at least, simplest way of cracking a code is to steal the codebook through bribery, burglary, or raiding parties & mdash; procedures sometimes glorified by the phrase " practical cryptography " & mdash; and this is a weakness for both codes and ciphers, though codebooks are generally larger and used longer than cipher keys.
19.
A properly self-reciprocal bipartite digraphic encryption algorithm was used for the super-encipherment of the indicators ( German : Spruchschl�ssel ) with basic wheel settings The Enigma Cipher Keys called " Heimische Gew�sser " ( English Codenme : Dolphin ), ( Plaice ), " Triton " ( Shark ), " Niobe " ( Narwhal ) and Sucker all used the Kenngruppenbuch and bigram tables to build up the Indicator.