Hasty Briefsbeta

Enigma Crypto Transmission on Saturday August 30, 2025 @ 2000 GMT

15 days ago
  • #Cryptography
  • #WWII
  • #Enigma
  • The Enigma transmission will occur on August 30, 2025, at 2000Z via KPH.
  • Participants can use software simulators or original/replica Enigma machines to decode the message.
  • Two keys are required for decoding: the Daily Key (from a codebook) and the Message Key (sent with the message).
  • Certificates will be awarded for first decode, use of original/replica hardware, and successful decodes.
  • Decoded messages must be submitted within 48 hours of the broadcast for certificate eligibility.
  • Rules include no sharing of ciphertext before the deadline and proof of over-the-air reception.
  • Questions can be directed to [email protected].