Kraken A5/1 on macOS ARM64 (port notes)
Frank Stevenson’s Kraken builds on Apple Silicon with three patches and a semaphore shim. CPU cracker only. Cross-checked against libosmocore.
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Crazy Danish Hacker – GSM Sniffing 16 – Cracking SMS w/ Kraken
Final episode: end-to-end SMS cracking. Feeding captured GSM bursts into Kraken, recovering the A5/1 session key from the rainbow tables, and decrypting the target SMS in plaintext.
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Crazy Danish Hacker – GSM Sniffing 15 – Kraken install and test
Episode 15: installing Kraken on the Linux server and running the first sanity-check queries against the A5/1 rainbow tables. Confirming the cracker is operational before pointing it at captured traffic.
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Crazy Danish Hacker – GSM Sniffing 14 – Getting the A5/1 Tables
Episode 14: obtaining the A5/1 rainbow tables used by Kraken to break the GSM stream cipher. Where they come from, storage size, and how they map ciphertext bits to key candidates.