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WHY ALICE AND BOB?

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In cryptography, it always seems to be Alice and Bob. Why? They are
characters first used by Ron Rivest, Adi Shamir, and Leonard Adleman in
their 1978 paper ‘A method for obtaining digital signatures and public key
cryptosystems’73 instead of a drier ‘A’ and ‘B’. Since then, people use these
characters as a nod to the inventors.
But wait, there’s more… Wikipedia74 has a list of commonly used
characters, and here are a few I am fond of:
• Craig the password cracker
• Eve the eavesdropper
• Grace the government (generally characterised as anti-cryptography)
• Mallory the malicious man-in-the-middle
• Sybil the attacker who uses a lot of pseudonyms to overwhelm Alice
and Bob
So there you go, that is why it is always Alice and Bob.

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