Microsoft will finally kill obsolete cipher that has wreaked decades of havoc

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years ...
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The mathematics of secrets : cryptography from Caesar ciphers to digital encryption / Joshua Holden

Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...