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ASecuritySite
When Bob Met Alice
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No Room for Haraka Hashing in FIPS 205
No Room for Haraka Hashing in FIPS 205
In tests, the Haraka hashing method for SPHINCS+ beats the SHA256 version by a considerable margin, and which also beats the SHAKE256…
Prof Bill Buchanan OBE FRSE
Nov 3
A Long Goodbye to RSA and ECDSA, and Quick Hello to SLH-DSA
A Long Goodbye to RSA and ECDSA, and Quick Hello to SLH-DSA
Small Keys, But Larger Signatures, and no Haraka hashes
Prof Bill Buchanan OBE FRSE
Nov 3
Breaking XCB Mode For AES-128 Symmetric Key Encryption
Breaking XCB Mode For AES-128 Symmetric Key Encryption
When symmetric key methods are broken, there can be a sharp intake of breath, as it provides the foundation of privacy on the Internet. So…
Prof Bill Buchanan OBE FRSE
Nov 1
HAWK Is The Last Lattice Method Standing for Additional PQC Signatures
HAWK Is The Last Lattice Method Standing for Additional PQC Signatures
Dilithium, Falcon, and SPHINCS+ have been approved for the NIST PQC standardisation. Now they are reviewing an additional round of…
Prof Bill Buchanan OBE FRSE
Oct 30
To PreHash or Not To PreHash, That is the Question
To PreHash or Not To PreHash, That is the Question
In a previous post, I explained the concept of a PreHash, and which is used in Post Quantum Cryptography to reduce the size of the message…
Prof Bill Buchanan OBE FRSE
Oct 29
The Rise of the Woke Bots, Or Rewriting History: AI Reflects Us!
The Rise of the Woke Bots, Or Rewriting History: AI Reflects Us!
Like it or not, the AI bots using LLMs we are creating are crafted in the image of their creator. The data they use to train has generally…
Prof Bill Buchanan OBE FRSE
Oct 28
ParallelHash
ParallelHash
And so, NIST wanted to find an alternative to SHA-2 (eg SHA-256), and opened up the SHA-3. They finally picked the Keccak method. Within…
Prof Bill Buchanan OBE FRSE
Oct 26
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