The Navigator

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The Navigator Page 13

by Clive Cussler


  Harris settled behind a paper-covered desk that would have been considered a firetrap by any competent inspector. “You sounded pretty excited on the phone. What’s going on?”

  Angela unlocked the briefcase. She extracted the Jefferson file copies and handed them over to Harris without comment. He scanned the pages and found the perforated cardboard on the bottom of the stack. He held it to the light and then placed the cardboard over a page.

  “This wouldn’t be a cipher grille, would it?”

  “I was hoping you could tell me,” Angela said. “You’re the expert on codes and ciphers.”

  “I’m just an aspiring expert who’s been taking courses at the NationalCryptologicSchool.”

  “That’s good enough for me,” Angela said. The NSA school trained people from all government departments in the fine points of cryptographic analysis.

  “Don’t sell yourself short. You’re the one that picked up on this,” he said. “What can you tell me about it?”

  “I think it was misfiled by subject. It should have gone into a Thomas Jefferson file.”

  He sat bolt upright in his chair. “Jefferson?”

  “Uh-huh. I’m pretty sure the handwriting is his. I’ve compared it to the Declaration, and there’s a small TJ in the lower right hand corner of the cover page.”

  He held the page up to his face and let out a soundless whistle. “Jefferson. That would make sense.”

  “I’m glad to hear you say that,” Angela said with a sigh of relief. “I was worried that I’d be wasting your time.”

  “Hell, no!” Harris shook his head. “Most people don’t know that Jefferson was an accomplished cryptologist. He used ciphers to communicate with James Madison and other government figures. He became proficient at codes and ciphers when he was minister to France.” He rose from his chair. “C’mon. I’ve got something to show you.”

  He led the way to the exhibition area and stopped in front of a display case that held a brown wooden cylinder mounted on a spindle. The cylinder was about two inches in diameter and eight inches long and was constructed of a series of disks. The rims of the disks were inscribed with letters.

  “This was found in a house near Monticello,” Harris said. “We believe it’s a ‘wheel cipher’ Jefferson invented when he was serving as Washington’s secretary of state. You write your message and rotate the disks to scramble the letters. The person getting the message un-scrambles them with a similar device.”

  “Looks like something out of The Da Vinci Code.”

  Harris chuckled. “Ol’ Leonardo would have been fascinated by the next evolution of the wheel cipher.”

  He dragged her over to another display case containing several machines that looked like big typewriters.

  She read the placard. “Enigma cipher machines,” she said with excitement in her eyes. “I’ve heard of them.”

  “They were one of the best-kept secrets of World War Two. People would have killed for one of these contraptions. They were basically glorified versions of Jefferson’s wheel cipher. He was far ahead of his day.”

  “Too bad we can’t use one of these things to decipher his writing,” Angela said.

  “We may not have to,” Harris said.

  They returned to Harris’s office, where he plopped behind the desk again. He leaned back in his chair and tented his fingers.

  “How did you get into codes and ciphers?” he said.

  “I’m good at math. I do the crosswords, and I’ve liked acrostics since I was a kid. My interest in puzzles got me into reading books on the subject. That’s where I read about cipher grilles and Jefferson’s interest in cryptology.”

  “Half the cryptologists in the world would have given me the same answer,” Harris said. “It was exactly those interests that allowed you to sense the possibility of a hidden message in this stuff.”

  She shrugged. “Something about it struck me as being funny.”

  “‘Funny stuff’ is what the NSA deals with on a regular basis. Jefferson would have felt right at home in the agency.”

  “Where does his wheel cipher fit it?”

  “It doesn’t. Jefferson got away from cipher devices later in his career. My guess is that he only used the grille to create a steganograph to conceal the fact that the artichoke info contains a secret message. He would have jotted down the message in the apertures and built sentences around them.”

  “I noticed that the syntax in the text seemed stilted or just plain weird in some of the lines.”

  “Good catch. Let’s assume Jefferson used this as an extra layer of concealment. First, we’ll have to copy the letters exposed by the holes in the grille.”

  Angela pulled a notebook out of her briefcase and handed it over. “I’ve already done that.”

  Harris inspected the lines of seemingly unrelated letters. “Fantastic! That will save a lot of time.”

  “Where do we start?”

  “About two thousand years ago.”

  “Pardon?”

  “Julius Caesar used a substitution cipher to get a message to Cicero doing the Gallic Wars. He simply substituted Greek letters for Roman. He improved on the system later on. He’d take the plain text alphabet and create a cipher alphabet by shifting letters three places down. Put one alphabet over the other and you can substitute those letters on one row for the other.”

  “Is that what we have here?”

  “Not exactly. The Arabs discovered that if you figured out the frequency of a letter’s appearance in written language, you could decipher a substitution cipher. Mary, Queen of Scots, lost her head after Queen Elizabeth’s code-breakers intercepted the messages used in the Babington Plot. Jefferson developed a variation of a system known as the Vigenere method.”

  “Which is an expansion of the Caesar substitution.”

  “Correct. You create a batch of cipher alphabets by shifting so many letters over for each one. You stack them in rows to form a Vigenere box. Then you write a key word repetitively across the top of the box. The letters in the key word help you locate your encoded letters, something like plotting points on a graph.”

  “That would mean that the letters in your clear text would be represented by different letters.”

  “That’s the beauty of the system. It prevents the use of letter frequency tables.”

  Harris turned to a computer and, after typing furiously for several minutes, created columns of letters arranged in a rectangular shape. “This is the standard Vigenere box. There’s only one problem. We don’t know the key word.”

  “How about using artichoke?”

  Harris laughed. “Poe’s ‘Purloined Letter,’ out in plain sight? Artichoke was the key word Jefferson and Meriwether Lewis used to unlock the code they agreed on for the LouisianaTerritory expedition.”

  He wrote the word artichoke several times across the top of the square and tried to decipher the encrypted message revealed through the grille. He tried the plural form and shook his head.

  “Maybe that was too obvious,” Angela said. They tried Adams, Washington, Franklin, and Independence, all with the same disappointing results.

  “We could spend all day doing this,” Angela said.

  “Actually, we could spend decades. The key word doesn’t even have to make sense.”

  “So there is no way a Vigenere cipher can be broken?”

  “Any cipher can be broken. This one was busted in the 1800s by a guy named Babbage, a genius who’s been called the father of the computer. His system looked for sequences of letters. Once he had those, he could figure out the key word. Something like that exceeds my skills. Fortunately, we’re within spitting distance of the greatest code breakers in the world.”

  “You know someone at the NSA?”

  “I’ll give my professor a jingle.”

  The professor was in class, so Harris left a message. With Angela’s permission, he copied the material. He’d been so intent on the written text that he had paid little attention to the dra
wing.

  Angela saw him studying the lines and Xs. “That’s the other part of the mystery. I thought it was a garden layout at first.” She told him what she had found on the ancient-languages website.

  “Fascinating, but let’s concentrate on the main text message for now.”

  Harris made copies of the papers. Angela tucked the original documents back into her briefcase. Harris walked her to the door and said he would let her know what he learned. Two hours later, he got a call from his professor. Harris started to tell him about the cipher problem. He only got as far as the name Jefferson when the professor told him to come over immediately.

  Professor Pieter DeVries was waiting for Harris at the other side of the security check-in. The professor practically dragged Harris to his office in his haste to look at the file.

  The professor epitomized the brilliant but absentminded mathematician that he was. He tended toward tweed suits, even in the warmer months, and had the habit of tugging at his snowy Vandyke beard when he was engaged in thought, which was most of the time.

  He studied the artichoke file. “You say a young lady from the Philosophical Society brought this to you?”

  “That’s right. She works in their research library.”

  “I probably wouldn’t have given it a second look if not for the grille,” which Angela had let Harris hold on to. He picked up the perforated cardboard, stared at it with disdain, and then set it aside. “I’m surprised Jefferson would have used something as crude as this.”

  “I’m still not convinced this stuff conceals a message,” Harris said.

  “There’s one way to find out,” the professor replied.

  He scanned the columns of letters into a computer and tapped the keyboard for a few minutes. Letters arranged and rearranged themselves on the screen until a word popped up.

  EAGLE

  Harris squinted at the screen and laughed. “We should have known. Eagle was Jefferson’s favorite horse.”

  The professor smiled. “Babbage would have sold his soul for a computer with tenth the capacity of this machine.” He typed the key word onto the screen and then instructed the computer to use it to decipher the message he had scanned earlier.

  The letter Jefferson had written to Lewis in 1809 came up in plain text.

  Harris leaned over the professor’s shoulder.

  “I can’t believe what I’m reading,” he said. “This is crazy.” Harris dug out the paper with the odd drawings on it. “Angela thinks these words are Phoenician.”

  “That concurs with what Jefferson’s source at Oxford says in his letter.”

  Harris felt a great weariness. “I’ve got the feeling that we may have stumbled onto something big.”

  “On the other hand, this fairy tale may be a hoax, the product of a clever imagination.”

  “Do you really believe that, sir?”

  “No. I think the document is for real. The story it tells is another matter.”

  “How do we handle this thing?”

  The professor tugged at his beard so hard it was a wonder that the Vandyke didn’t come off.

  “Ve-ry carefully,” he said.

  NUMA 7 - The Navigator

  Chapter 17

  TRAFFIC WAS HEAVY ON P STREET, where the Republic of Iraq had its embassy in the historic nineteenth-century Boardman House. A stream of limousines and luxury cars passed in front of the three-story Romanesque-style building near Dupont Circle, stopping from time to time to disgorge men in tuxedos, women in gowns, attired for a black-tie affair.

  The doorman waved a taxi in to take the place of a departing diplomatic limo and opened the passenger door. Carina Mechadi emerged, her lithe figure sheathed in an ankle-length velvet dress whose black-brown color matched shoulder-length hair that was pinned back in a French twist. The gown’s scooped neckline displayed a décolletage that hovered between proper and sexy. An embroidered white shawl covered her bare shoulders and set off her creamy dark skin.

  She thanked the doorman with a smile that sent his middle-aged temperature soaring to unhealthy levels and followed the other guests through the arched front entrance. A young male embassy employee glanced at her gilt-edged invitation and checked her name off a list.

  “Thank you for coming to our reception, Ms. Mechadi. The Embassy of Iraq welcomes you as our guest.”

  “Thank you,” Carina said. “I’m pleased to be here.”

  The vestibule echoed with the conversational hubbub created by dozens of chatting guests. Carina glanced around with her bold blue eyes, unsure whether to linger or peel off into a side room. As the other guests became aware of her presence, they turned her way, causing a lull in the level of voices.

  Carina was not a tall person, yet she had a compelling physical presence that seemed to demand attention. The women in the room sensed her female magnetism and instinctively gripped the arms of their escorts, relaxing only after a tall, middle-aged man broke off from the crowd and made his way toward the newly arrived guest.

  He clicked his heels and bowed gallantly. “Carina Mechadi, the Angel of the Antiquities, if I’m not mistaken.”

  An anonymous headline writer had given Carina the lofty title in an article published by Smithsonian magazine. She smiled graciously and took control of the conversation. “I’ve never liked that description, Mr.—”

  “Pardon me, Ms. Mechadi. My name is Anthony Saxon, and I offer my profound apologies if I have offended you.” He spoke in the vaguely British accent that was once cultivated in exclusive American prep schools.

  “Not at all, Mr. Saxon.” She extended her hand. “How did you recognize me?”

  “Your picture has been in a number of journals. It is a great pleasure to make your acquaintance in person.” He took her hand and kissed it.

  With his distinguished looks and baroque manner of speaking, and well-fitting tux, Saxon seemed like a turn-of-the-century ambassador. He was more than six feet tall and rail thin. His thick ginger-and-gray hair was combed straight back from a devilish widow’s peak that came to a point above thick eyebrows. A pencil-thin mustache of the style worn by 1940s movie stars and gigolos decorated his upper lip. His face glowed with its desert tan.

  “Are you with the Washington diplomatic corps, Mr. Saxon?”

  “Far from it, I’m afraid. I am an adventurer by choice, a writer and filmmaker by need. Perhaps you’ve read my last book, Quest for the Queen,” he said with a hopeful lilt in his voice.

  “I’m afraid not,” Carina said. Not wanting to hurt Saxon’s feelings, she added quickly, “I’m away a lot.”

  “Spoken with gentle honesty.” Saxon clicked his heels again. “It matters not whether you have heard my name, for I have heard of yours, especially in connection with the retrieval of antiquities stolen from the BaghdadMuseum.”

  “You’re very kind, Mr. Saxon.” She glanced around “I don’t suppose you would know where I could find Viktor Baltazar.”

  Saxon’s eyebrows dipped. “Baltazar is about to make his presentation in the main reception area. It would be my pleasure to show you the way.”

  Carina’s lips parted in an amused smile. “You’re very much the Victorian gentleman,” she said, taking his proffered arm.

  “I fancy myself as more of an Elizabethan. Swords and sonnets. But I appreciate the compliment.”

  He guided her through the milling crowd into a large room decorated with maroon-and-gilt drapes. At one end, a raised dais was flanked by lights, video cameras, and microphones. An enlarged photo of the IraqiNationalMuseum hung on the wall behind the stage. Rows of plush chairs had been set up in front of the stage.

  Saxon headed to a love seat against a side wall. He explained in a conspiratorial whisper that the seat offered a good view of the guests entering the room and allowed for an easy escape if the speakers became too long-winded.

  Carina recognized several low-level State Department staffers, politicians, and journalists. A number of men and women who represented a cross section of
Middle Eastern antiquities scholarship were familiar to her as well. She became particularly excited when Professor Nasir came into the room.

  She stood and waved. The professor strode across the room, a wide grin on his face.

  “Miss Mechadi, how wonderful to see you.”

  “I was hoping you’d be here, Professor.” She turned to Saxon. “Professor, this is Anthony Saxon. Mr. Saxon, Professor Jassim Nasir.”

  Saxon stood to his full height, towering over the Iraqi. “I’m honored to be in your presence, Dr. Nasir. I’m well acquainted with your work at the museum.”

  Nasir beamed with pleasure.

  “Please excuse us,” Carina said to Saxon. “Dr. Nasir and I have much to talk about. It’s been quite a while since we last saw each other.”

  “By all means,” Saxon said. In a single motion, he snatched two champagne flutes off passing tray and handed one to Carina. “Please let me know if I can be of any further assistance.”

  Nasir watched Saxon weave his way through the crowd. “Not many people outside of Iraq know I exist,” he said, obviously impressed. “How long have you known Mr. Saxon?”

  “About five minutes. He ambushed me at the door. More important, how long has it been since you and I last met? Three years at least?”

  “How could I forget? It was in Baghdad at the museum. A terrible time.”

  “I’m sorry I haven’t kept in touch with you as often as I should have.”

  “We’ve cleaned the place up, and, thanks to people like you, the recovering effort continues. Money has been coming in, but our expenses are phenomenal. And with the continuing instability in our country, it will be a long time before busloads of tourists pull up at our front door.”

  “All the more reason why this reception must be so encouraging.”

  “Oh, yes,” he said, brightening. “I was thrilled when you called and said you had recovered a major cache of artifacts. The idea for the tour is sheer genius. I never imagined that I would be here with so many of my respected colleagues. There is one of them now. You remember Dr. Shalawa?”

 

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