Comment on Scream cipherparentComments−amenhotep11moThat's not a requirement. Pigpen is a substitution cipher.−JdeBP11moYou will find that the pigpen cipher has a 1:1 mapping between its input alphabet and its output alphabet, and that a 1:1 mapping is a necessity for full invertibility.
Comments
That's not a requirement. Pigpen is a substitution cipher.
You will find that the pigpen cipher has a 1:1 mapping between its input alphabet and its output alphabet, and that a 1:1 mapping is a necessity for full invertibility.