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Intentional Flaw in GPRS Encryption Algorithm GEA-1

🗓️ 17 Jun 2021 18:41:51Reported by Bruce SchneierType

Intentional Flaw in GPRS Encryption Algorithm GEA-1. GEA-1, designed in 1998, has a 64-bit key but an effective key length of 40 bits due to exceptional interaction in LFSRs and key initialization

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17 Jun 2021 18:51Current

1Low risk

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