Enigma

SweSub av Bull[IT]

Akelei. Akelei.

Claire?

- Move up.|- Thank you.

Roast mules go topsy-turvy.

Ten letters ending in ''T.''

- I'm hopeless at this.|- Me too.

''Somersault.''

Bletchley.

It's a walk.

I know.

I've been here before.

This bus for Yardley--

This bus for--

Hello? Yes.|I'll try that extension for you.

Please hold the line.

I'm just putting you through.

Yes, you're through.

- Mr Skynner?|- Come in.

It's been a pleasure, sir.

I never wanted you back.

Logie says he needs you.

Well...

he's got you.

Conference in half an hour.|And keep your mouth shut.

You're only there for show.

Oh, dear, oh, dear, oh, dear.|You do look bloody terrible.

- We missed you, Tom.|- I know why you want me back, Guy.

You've lost the crown jewels,|haven't you? You've lost Shark.

We got a call from one of the|intercept stations in Scarborough.

And they started picking up|a single word broadcast|on the hour, every hour...

coming out of U-boat headquarters|in Sainte-Assise.

- In Morse?|- No, it was a human voice.

- ''Akelei.''|- Meaning what?

- It's a flower.|- I know it's a bloody flower, Guy.

Aquilegia. Columbine.|But what did it mean?

It meant,|''Change the weather code.''

The Germans have switched|their U-boats to a new code book,|and we're blacked out again.

Is that why the Yanks are here?

Skynner's in a panic.

They want to take over his empire.

Here comes our team.

- You! You!|- Hello.

- You in the Royal Navy?|- Oh, I'm sorry.

- Only for a day or two.|I mean, actually on a ship.|- What was your ship?

Look, I can't be expected|to remember every little thing.

Sorry.

Welcome to Bletchley Park, sir.

Three convoys left New York|in the past week...

and are presently at sea.

Convoy SC 122.

Fifty merchant ships|carrying fuel oil, tanks...

iron ore, bauxite,|also meat, sugar and wheat.

Convoy HX 229 departed|New York on Monday.

Forty merchant vessels|carrying explosives, manganese...

timber, powdered milk.

Convoy 229-A left New York|on Tuesday...

carrying steel, timber,|powdered milk.

I don't want a shopping list.|What's the total?

One hundred and forty-one|merchant ships, gross tonnage|just under a million tons.

- Plus cargo of another million.|- And where are the U-boats?

A submarine tracking rumour|had three U-boat packs operational...

in the North Atlantic|as of 00 hundred Thursday...

here, here and here.

Midnight Wednesday?

- So where are the U-boats now?|- I'm afraid I have no idea.

I thought that was why we were here.|Our intelligence has been shut off.

You're telling us that the largest|assembly of merchant shipping...

we've ever sent|across the North Atlantic...

is now steaming towards|the largest concentration of U-boats...

the Germans have ever put|in the North Atlantic...

and you don't know where the hell|the goddam U-boats are?

- Gentlemen, if I may--|- Shut up.

What are our convoys making, hmm?

Something over 220 miles a day.

Well, I'd say we have|four days, maximum...

before the convoys come in operational|range of where you last had the enemy.

So, Leonard, this blackout--

will it be over in four days?

Uh, it's possible.

Yes, well, all things are possible,|Leonard, but is it likely?

Is it likely that you can break this|code, this, um-- What'd you call this?

This Shark? Before our convoys come|in range of the U-boats.

- We'll give it every priority.|- Yes, I know damn well you'll|give it every priority, Leonard.

- That's not the question.|- Well, sir, as you press me, yes,|I think we may be able to do it.

Is that what you all believe?

Um, well, I suppose you could say|we know more about Shark now|than we did the last time.

If Guy thinks we can do it,|I would certainly respect his opinion.

And you?

You don't seem|to have much to say.

Tom Jericho.|He's the one who got us into|reading Shark. If there's anyone alive--

Can you break Shark again|in four days?

Have you any idea|what you're talking about?

Tom's been on sick leave for|the last month, so I don't think|he's fully in the picture--

Enigma is a very sophisticated|enciphering machine...

and Shark|is its ultimate refiinement...

so we're not talking|about The Times' crossword.

It weighs 26 pounds,|battery included...

and goes anywhere.

The Enigma machine.|The Germans have thousands of them.

What's it do?

It turns plain-text messages|into gobbledygook.

Then the gobbledygook|gets transmitted in Morse.

At the receiving end, there's another|Enigma machine to turn it back|into the original message.

Press the same key any number of times,|it will always come out different.

- And you have one of your own.|- Courtesy of the Polish Cipher Bureau.

So what's the problem?

Problem?

The problem is|the machine has 115 million|million million ways of doing it...

according to how you set these three|rotors and how you connect these plugs.

And that's Shark.

No. No, no, no.|This is the one we can break.

Shark is enciphered on a machine|with a fourth rotor specially|developed for U-boats...

which gives it about 4,000 million|billion different starting positions.

And, uh, we've never seen one.

Holy sh*t!

I haven't understood a word.

Can somebody give me a straight answer|to a straight question?

- Will this blackout|defiinitely be over in--|- Nobody can say defiinitely, sir.

Yes or no?

- No.|- Thank you.

So it isn't over in four days.|When will it be over, hmm?

Hmm? Hmm? You.

Well, all I have to measure it by|is how long it took last time|when Shark fiirst came in.

- And how long did it take?|- Ten months.

Well, this is a great day|for Adolf Hitler.

Ten months?

But you did break it?

Yes.

- How?|- I'm afraid I can't tell you that.

I think it's time we--

I think it's time|I got back to London.

It's not just a million tons|of shipping. It's a million|tons of shipping every week!

It's our capability to supply Russia,|to support the army in North Africa...

to invade Europe|and drive the Germans out.

- It's the whole f***ing war.|- Sir.

Satisfiied? Now, send the stupid bugger|back to where he came from.

Don't waste a match.

Back to Mayfair?

No.

How many people knew|about the German weather code...

how important it was to us?

A dozen, maybe. Why?

Make me a little list?

What are you doing here,|Mr Wigram?

You think there's a spy|in Bletchley Park?

I'm Cave.|Naval Intelligence.

I'll be liaising with the admiralty.|They've given me an offiice in your hut.

I'm ultra-cleared.

- What does that mean?|- That means I know how you|broke Shark, in principle.

You used a captured copy|of the German Navy's weather code book.

Gave you a pretty good idea|of what their weather signals|were supposed to be saying.

Can I see it?

Midnight, two days ago,|the Germans changed to a new book.

- So we lost that crib.|- Well, why do you think|they did that just then?

Don't know.

And the other one?

Short signal code book.

The U-boats employ it for reporting|their position, course and speed.

Unfortunately, if you don't know where|the U-boat is or what it's doing...

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