| Chapter # | Sentence # | Quote |
|---|---|---|
| 25 | 129 | View more quotes about both">Both sender and receiver know, for example, that message six will be randomized in manner six, and so on". |
| Chapter # | Sentence # | Quote |
|---|---|---|
| 25 | 126 | From the theoretical point of view, the unique-sequence cipher cannot be broken. |
| 25 | 127 | It utilizes key words or numbers, but each message is further altered in a prearranged, random manner. |
| 25 | 128 | Each message is thus unique, but decipherable in its position in the sequence of messages. |
| 25 | 129 | Both sender and receiver know, for example, that message six will be randomized in manner six, and so on". |
| 25 | 130 | "This is complex," said Samos. |
| 25 | 131 | "It requires that both sender and receiver have the deciphering tables at hand," said Bosk. |
| 25 | 132 | "Thus, although it is more convenient than a code book, it shares some of the vulnerability of the code book". |