Friday, August 30, 2024

Linear A: a Brute Force Attack to Decrypt the Minoan Code

This is a story of Linear A. Not its complete history " there are books and academic papers, for that (e.g., Robinson, passim; Perono Cacciafoco, 154-170) " but the story of one of its last ongoing decipherment attempts, born out of the almost absolute certainty of its undecipherability. Therefore, this is a story on Linear A.

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"How Could Brute Force Crack This?

Cryptology, which is the association of Cryptography (the art of inventing, developing, and implementing codes, ciphers, and crypto-systems) with Cryptanalysis (the art of deciphering, decrypting, and reverse-engineering codes, ciphers, and crypto-systems), came to the rescue, by providing us with an idea for the possibly most unbiased procedure that one can apply while trying to crack' a crypto-system:

the so-called brute force attack'.

In Cryptanalysis, a brute force attack' basically consists of attributing to each digit (which can be a letter, a number, a character, a symbol, etc.) of a cipher theoretically all its (reasonably) possible values and to continue that way until parts of the text (segments, words, clusters, phrases, etc.) become apparent and readable,

in other words until those parts make sense, leading the cryptanalysts from an incomprehensible cipher-text to a (relatively) clear and rationally readable plain-text."

#1 | Posted by Corky at 2024-08-30 05:38 PM

Started reading a book on the work done with Linear B. I tried making it through (and understanding) David Kahn's 1960s classic The Codebreakers ages ago, which was frequently cited. But once coding moves beyond invisible ink, simple letter/word substitutions, and one-time pads (my favorite) I'm lost. But the work and the results? Fascinating.

#2 | Posted by Doc_Sarvis at 2024-08-31 06:47 AM

Also in the news...

"Ancient seal with winged 'genie,' inscribed Jewish name found in Jerusalem

A 2,700-year-old seal featuring a winged figure and Hebrew script was discovered. The seal reveals the Assyrian influence during the First Temple era in Jerusalem.

Heritage Minister Rabbi Amichai Eliyahu welcomed the find, noting its significance in demonstrating Jerusalem's importance and centrality 2,700 years ago."

www.jpost.com

What it really shows is that the period texts from that era describing Jerusalem as a multi-national, multi-cultural trading city are correct.

#3 | Posted by Corky at 2024-08-31 04:26 PM

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