Alex Blackwell
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alexblackwell.bsky.social
Alex Blackwell
@alexblackwell.bsky.social
b9a45e5942ca3940f7a811fc93e4ffd0
Pinned
“In every operation there is an above the line and a below the line. Above the line is what you do by the book. Below the line is how you do the job.” – John le Carré (“A Perfect Spy”)
It should be noted that, in addition to the US and Great Britain, the Australians and the Dutch also worked on JN-25. doi.org/10.1080/0161...
Bletchley Park’s work on JN-25
This article describes the work done by codebreakers in the Naval Section at Bletchley Park on the primary World War II Japanese naval cipher JN-25. It also describes the relationship between the U...
doi.org
November 24, 2025 at 2:26 PM
The Votivkirche in Vienna, where, in December 1975, Nicholas Shadrin was last seen (on the steps) by CIA officers from a nearby static surveillance post before being kidnapped by the KGB. Russia later admitted he died during the kidnapping.
November 24, 2025 at 12:26 PM
I believe this is the first full-length biography of Meir Dagan. www.amazon.com/Architect-Es...
November 19, 2025 at 2:20 PM
“History has many cunning passages, contrived corridors…” – T.S. Eliot (“Gerontion”)
November 12, 2025 at 11:48 PM
Spymaster: The Memoirs of Gordon M. Stewart, CIA Station Chief in Cold War Germany www.amazon.com/gp/aw/d/3111...
November 11, 2025 at 5:13 PM
“The Persian: A Novel” by David McCloskey www.amazon.com/gp/aw/d/1324...
November 5, 2025 at 10:33 PM
If SPG was operating somewhere where a heist occurred, I’m sure they would have to assure HQS: Hey, it wasn’t us. www.nytimes.com/interactive/...
How the Louvre Jewelry Heist Unfolded
Thieves used a truck-mounted ladder to break into the Louvre and steal items of “incalculable” value.
www.nytimes.com
October 20, 2025 at 7:20 PM
At NSA elegant cryptanalysis is admired and honored.

But you know what’s better? CIA’s SPG doing a black bag job and stealing the cryptographic keys. www.nytimes.com/2025/10/16/s...
A C.I.A. Secret Kept for 35 Years Is Found in the Smithsonian’s Vault
www.nytimes.com
October 17, 2025 at 3:53 AM
“Progress doesn't come from early risers — progress is made by lazy men looking for easier ways to do things.” – Robert A. Heinlein (“Time Enough for Love”)
October 8, 2025 at 4:41 PM
The new hot dog machine at CIA HQS?
Sometimes when I’m on a plane I get sad there’s no SkyMall catalogue anymore but I guess the entire internet is SkyMall now
October 4, 2025 at 6:41 PM
“We wrap up with an overview of how Fiat-Shamir is used in post-quantum cryptography and in blockchains.” doi.org/10.1080/0161...
The Fiat-Shamir: zero(-knowledge) to signature in sixty minutes (of class time)
Many of the new quantum-resistant digital signature algorithms being evaluated and standardized by NIST rely on the Fiat-Shamir transform for security. This transformation takes a zero-knowledge (o...
doi.org
October 1, 2025 at 7:48 PM
“The arithmetic correlation or ‘with-carry’ correlation is an analog of the classical correlation of sequences.” doi.org/10.1080/0161...
Notes about imbalance and arithmetic autocorrelation of N-ary half-l-sequences
In this paper, we study the imbalance of N-ary half-l-sequences as well as their arithmetic autocorrelation. The arithmetic correlation or “with-carry” correlation is an analog of the classical cor...
doi.org
October 1, 2025 at 7:46 PM
Tulsi ends Global Trends. www.nytimes.com/2025/09/26/u...
Gabbard Ends Intelligence Report on Future Threats to U.S.
www.nytimes.com
September 26, 2025 at 5:59 PM
Philip Roth said Le Carré’s “A Perfect Spy” was “the best English novel since the war.” www.wsj.com/arts-culture...
Five Best: Cold War Thrillers
Selected by Charlie English, the author of “The CIA Book Club.”
www.wsj.com
September 26, 2025 at 1:00 PM
The unclassified version of the latest issue of CIA’s Studies in Intelligence (Volume 69, Number 3, September 2025) is now available for download at www.cia.gov/resources/cs...
September 25, 2025 at 9:05 PM
Now there is peer-reviewed work concluding that, yes, the Kansas City Chiefs do get favorable treatment from the refs. doi.org/10.1111/fire...
September 10, 2025 at 10:49 PM
“Inside its headquarters in Langley, Virginia, the CIA is moving resources and personnel to amp up counter-cartel efforts, including through the creation of a new Americas and Counternarcotics Mission Center…” www.reuters.com/investigatio...
Inside the CIA’s secret fight against Mexico’s drug cartels
Working with special Mexican army and navy units, the CIA for years has been running covert operations to hunt down Mexico’s most-wanted narcos, a Reuters investigation finds. Among the captures: a son of cartel chief Joaquín “El Chapo” Guzmán.
www.reuters.com
September 10, 2025 at 1:15 PM