#historyofcryptography — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #historyofcryptography, aggregated by home.social.
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GPT-6 Astra Breaks an Old Enigma Message
This is pretty amazing:
However, the most astonishing thing about this break is that the GPT6 Astra did it entirely on its own. Carter Leffer only directed GP... https://www.schneier.com/blog/archives/2026/09/gpt-6-astra-breaks-an-old-enigma-message.html#historyofcryptography #Uncategorized #cryptanalysis #Enigma #AI
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GPT-6 Astra Breaks an Old Enigma Message
This is pretty amazing:
However, the most astonishing thing about this break is that the GPT6 Astra did it entirely on its own. Carter Leffer only directed GP... https://www.schneier.com/blog/archives/2026/09/gpt-6-astra-breaks-an-old-enigma-message.html#historyofcryptography #Uncategorized #cryptanalysis #Enigma #AI
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GPT-6 Astra Breaks an Old Enigma Message
This is pretty amazing:
However, the most astonishing thing about this break is that the GPT6 Astra did it entirely on its own. Carter Leffer only directed GP... https://www.schneier.com/blog/archives/2026/09/gpt-6-astra-breaks-an-old-enigma-message.html#historyofcryptography #Uncategorized #cryptanalysis #Enigma #AI
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GPT-6 Astra Breaks an Old Enigma Message
This is pretty amazing:
However, the most astonishing thing about this break is that the GPT6 Astra did it entirely on its own. Carter Leffer only directed GP... https://www.schneier.com/blog/archives/2026/09/gpt-6-astra-breaks-an-old-enigma-message.html#historyofcryptography #Uncategorized #cryptanalysis #Enigma #AI
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GPT-6 Astra Breaks an Old Enigma Message
This is pretty amazing:
However, the most astonishing thing about this break is that the GPT6 Astra did it entirely on its own. Carter Leffer only directed GP... https://www.schneier.com/blog/archives/2026/09/gpt-6-astra-breaks-an-old-enigma-message.html#historyofcryptography #Uncategorized #cryptanalysis #Enigma #AI
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On the NSA’s Supercomputer from the 1960s
Really interesting story about Harvest, a specialized code breaking computer built in the 1960s by IBM for the NSA.... https://www.schneier.com/blog/archives/2026/09/on-the-nsas-supercomputer-from-the-1960s.html
#historyofcryptography #historyofcomputing #Uncategorized #intelligence #IBM #NSA
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On the NSA’s Supercomputer from the 1960s
Really interesting story about Harvest, a specialized code breaking computer built in the 1960s by IBM for the NSA.... https://www.schneier.com/blog/archives/2026/09/on-the-nsas-supercomputer-from-the-1960s.html
#historyofcryptography #historyofcomputing #Uncategorized #intelligence #IBM #NSA
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On the NSA’s Supercomputer from the 1960s
Really interesting story about Harvest, a specialized code breaking computer built in the 1960s by IBM for the NSA.... https://www.schneier.com/blog/archives/2026/09/on-the-nsas-supercomputer-from-the-1960s.html
#historyofcryptography #historyofcomputing #Uncategorized #intelligence #IBM #NSA
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On the NSA’s Supercomputer from the 1960s
Really interesting story about Harvest, a specialized code breaking computer built in the 1960s by IBM for the NSA.... https://www.schneier.com/blog/archives/2026/09/on-the-nsas-supercomputer-from-the-1960s.html
#historyofcryptography #historyofcomputing #Uncategorized #intelligence #IBM #NSA
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On the NSA’s Supercomputer from the 1960s
Really interesting story about Harvest, a specialized code breaking computer built in the 1960s by IBM for the NSA.... https://www.schneier.com/blog/archives/2026/09/on-the-nsas-supercomputer-from-the-1960s.html
#historyofcryptography #historyofcomputing #Uncategorized #intelligence #IBM #NSA
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AI Used to Decrypt Medieval Ciphers
Researchers are using machine learning algorithms to decrypt historical pencil-and-paper ciphers.... https://www.schneier.com/blog/archives/2026/06/ai-used-to-decrypt-medieval-ciphers.html
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AI Used to Decrypt Medieval Ciphers
Researchers are using machine learning algorithms to decrypt historical pencil-and-paper ciphers.... https://www.schneier.com/blog/archives/2026/06/ai-used-to-decrypt-medieval-ciphers.html
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AI Used to Decrypt Medieval Ciphers
Researchers are using machine learning algorithms to decrypt historical pencil-and-paper ciphers.... https://www.schneier.com/blog/archives/2026/06/ai-used-to-decrypt-medieval-ciphers.html
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AI Used to Decrypt Medieval Ciphers
Researchers are using machine learning algorithms to decrypt historical pencil-and-paper ciphers.... https://www.schneier.com/blog/archives/2026/06/ai-used-to-decrypt-medieval-ciphers.html
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AI Used to Decrypt Medieval Ciphers
Researchers are using machine learning algorithms to decrypt historical pencil-and-paper ciphers.... https://www.schneier.com/blog/archives/2026/06/ai-used-to-decrypt-medieval-ciphers.html
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Medieval Encrypted Letter Decoded
Sent by a Spanish diplomat. Apparently people have been working on it since it was rediscovered in 1860.... https://www.schneier.com/blog/archives/2026/04/medieval-encrypted-letter-decoded.html
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Medieval Encrypted Letter Decoded
Sent by a Spanish diplomat. Apparently people have been working on it since it was rediscovered in 1860.... https://www.schneier.com/blog/archives/2026/04/medieval-encrypted-letter-decoded.html
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Medieval Encrypted Letter Decoded
Sent by a Spanish diplomat. Apparently people have been working on it since it was rediscovered in 1860.... https://www.schneier.com/blog/archives/2026/04/medieval-encrypted-letter-decoded.html
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Medieval Encrypted Letter Decoded
Sent by a Spanish diplomat. Apparently people have been working on it since it was rediscovered in 1860.... https://www.schneier.com/blog/archives/2026/04/medieval-encrypted-letter-decoded.html
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Medieval Encrypted Letter Decoded
Sent by a Spanish diplomat. Apparently people have been working on it since it was rediscovered in 1860.... https://www.schneier.com/blog/archives/2026/04/medieval-encrypted-letter-decoded.html
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Inventors of Quantum Cryptography Win Turing Award
Charles Bennett and Gilles Brassard have won the 2026 Turing Award for inventing quantum cryptography.
I am incredibly pleased to see... https://www.schneier.com/blog/archives/2026/03/inventors-of-quantum-cryptography-win-turing-award.html#historyofcryptography #quantumcryptography #quantumcomputing #Uncategorized
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Inventors of Quantum Cryptography Win Turing Award
Charles Bennett and Gilles Brassard have won the 2026 Turing Award for inventing quantum cryptography.
I am incredibly pleased to see... https://www.schneier.com/blog/archives/2026/03/inventors-of-quantum-cryptography-win-turing-award.html#historyofcryptography #quantumcryptography #quantumcomputing #Uncategorized
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Inventors of Quantum Cryptography Win Turing Award
Charles Bennett and Gilles Brassard have won the 2026 Turing Award for inventing quantum cryptography.
I am incredibly pleased to see... https://www.schneier.com/blog/archives/2026/03/inventors-of-quantum-cryptography-win-turing-award.html#historyofcryptography #quantumcryptography #quantumcomputing #Uncategorized
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Inventors of Quantum Cryptography Win Turing Award
Charles Bennett and Gilles Brassard have won the 2026 Turing Award for inventing quantum cryptography.
I am incredibly pleased to see... https://www.schneier.com/blog/archives/2026/03/inventors-of-quantum-cryptography-win-turing-award.html#historyofcryptography #quantumcryptography #quantumcomputing #Uncategorized
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Inventors of Quantum Cryptography Win Turing Award
Charles Bennett and Gilles Brassard have won the 2026 Turing Award for inventing quantum cryptography.
I am incredibly pleased to see... https://www.schneier.com/blog/archives/2026/03/inventors-of-quantum-cryptography-win-turing-award.html#historyofcryptography #quantumcryptography #quantumcomputing #Uncategorized
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Book Review: The Business of Secrets
The Business of Secrets: Adventures in Selling Encryption Around the World by Fred Kinch (May 24, 2004)
From the vantage point of today, it’s surreal reading about the commercial cryptography business in the 1970s. No... https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html#historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets
The Business of Secrets: Adventures in Selling Encryption Around the World by Fred Kinch (May 24, 2004)
From the vantage point of today, it’s surreal reading about the commercial cryptography business in the 1970s. No... https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html#historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets
The Business of Secrets: Adventures in Selling Encryption Around the World by Fred Kinch (May 24, 2004)
From the vantage point of today, it’s surreal reading about the commercial cryptography business in the 1970s. No... https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html#historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets
The Business of Secrets: Adventures in Selling Encryption Around the World by Fred Kinch (May 24, 2004)
From the vantage point of today, it’s surreal reading about the commercial cryptography business in the 1970s. No... https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html#historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets
The Business of Secrets: Adventures in Selling Encryption Around the World by Fred Kinch (May 24, 2004)
From the vantage point of today, it’s surreal reading about the commercial cryptography business in the 1970s. No... https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html#historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html #historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html #historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html #historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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Book Review: The Business of Secrets https://www.schneier.com/blog/archives/2025/11/book-review-the-business-of-secrets.html #historyofcryptography #businessofsecurity #Uncategorized #cryptography #encryption
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1965 Cryptanalysis Training Workbook Released by the NSA – Source: www.schneier.com https://ciso2ciso.com/1965-cryptanalysis-training-workbook-released-by-the-nsa-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #cryptanalysis #Uncategorized #NSA
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1965 Cryptanalysis Training Workbook Released by the NSA – Source: www.schneier.com https://ciso2ciso.com/1965-cryptanalysis-training-workbook-released-by-the-nsa-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #cryptanalysis #Uncategorized #NSA
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1965 Cryptanalysis Training Workbook Released by the NSA – Source: www.schneier.com https://ciso2ciso.com/1965-cryptanalysis-training-workbook-released-by-the-nsa-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #cryptanalysis #Uncategorized #NSA
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1965 Cryptanalysis Training Workbook Released by the NSA – Source: www.schneier.com https://ciso2ciso.com/1965-cryptanalysis-training-workbook-released-by-the-nsa-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #cryptanalysis #Uncategorized #NSA
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1965 Cryptanalysis Training Workbook Released by the NSA
In the early 1960s, National Security Agency cryptanalyst and cryptanalysis instructor Lambros D. Callimahos coined the term “Stethoscope” to describe a diagnostic computer program used to unravel the internal structure of pre-computer... https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html
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1965 Cryptanalysis Training Workbook Released by the NSA
In the early 1960s, National Security Agency cryptanalyst and cryptanalysis instructor Lambros D. Callimahos coined the term “Stethoscope” to describe a diagnostic computer program used to unravel the internal structure of pre-computer... https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html
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1965 Cryptanalysis Training Workbook Released by the NSA
In the early 1960s, National Security Agency cryptanalyst and cryptanalysis instructor Lambros D. Callimahos coined the term “Stethoscope” to describe a diagnostic computer program used to unravel the internal structure of pre-computer... https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html
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1965 Cryptanalysis Training Workbook Released by the NSA
In the early 1960s, National Security Agency cryptanalyst and cryptanalysis instructor Lambros D. Callimahos coined the term “Stethoscope” to describe a diagnostic computer program used to unravel the internal structure of pre-computer... https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html
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1965 Cryptanalysis Training Workbook Released by the NSA
In the early 1960s, National Security Agency cryptanalyst and cryptanalysis instructor Lambros D. Callimahos coined the term “Stethoscope” to describe a diagnostic computer program used to unravel the internal structure of pre-computer... https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html
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1965 Cryptanalysis Training Workbook Released by the NSA https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html #historyofcryptography #Uncategorized #cryptanalysis #NSA
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1965 Cryptanalysis Training Workbook Released by the NSA https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html #historyofcryptography #Uncategorized #cryptanalysis #NSA
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1965 Cryptanalysis Training Workbook Released by the NSA https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html #historyofcryptography #Uncategorized #cryptanalysis #NSA
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1965 Cryptanalysis Training Workbook Released by the NSA https://www.schneier.com/blog/archives/2025/09/1965-cryptanalysis-training-workbook-released-by-the-nsa.html #historyofcryptography #Uncategorized #cryptanalysis #NSA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture – Source: www.schneier.com https://ciso2ciso.com/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #Uncategorized #Encryption #CIA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture – Source: www.schneier.com https://ciso2ciso.com/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #Uncategorized #Encryption #CIA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture – Source: www.schneier.com https://ciso2ciso.com/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #Uncategorized #Encryption #CIA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture – Source: www.schneier.com https://ciso2ciso.com/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture-source-www-schneier-com/ #rssfeedpostgeneratorecho #historyofcryptography #SchneierOnSecurity #SchneieronSecurity #CyberSecurityNews #Uncategorized #Encryption #CIA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture
Well, this is interesting:
The auction, which will include other items... https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html -
Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture
Well, this is interesting:
The auction, which will include other items... https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html -
Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture
Well, this is interesting:
The auction, which will include other items... https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html -
Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture
Well, this is interesting:
The auction, which will include other items... https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html -
Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture
Well, this is interesting:
The auction, which will include other items... https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html -
Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html #historyofcryptography #Uncategorized #encryption #CIA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html #historyofcryptography #Uncategorized #encryption #CIA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html #historyofcryptography #Uncategorized #encryption #CIA
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Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture https://www.schneier.com/blog/archives/2025/08/jim-sanborn-is-auctioning-off-the-solution-to-part-four-of-the-kryptos-sculpture.html #historyofcryptography #Uncategorized #encryption #CIA