Challenge "Spirale — Part 2"  

  By: admin on Aug. 23, 2015, 7:05 p.m.

Spirale is a OTP cipher designed to be simply performed by hand. Part 2 is a ciphertext-only challenge with a 659-letter ciphertext. This part uses the same four keys for encryption as part 1 does.

Re: Challenge "Spirale — Part 2"  

  By: Theofanidis on March 15, 2023, 4:24 p.m.

Dear All, Just a small typo both in English and German pdf. It is stated that the plaintext has 659 characters, while the actual size is 646. Kind Regards, George Theofanidis

Re: Challenge "Spirale — Part 2"  

  By: newton on March 15, 2023, 4:25 p.m.

Hi George Theofanidis,

thanks for letting us know, I'll be looking into this.

Best, newton

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