How Do You Do a Simple Substitution Cipher?
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The substitution and transposition techniques are used for converting a plaintext into ciphertext , where substitution technique replaces the characters whereas transposition technique rearranges the characters to form a ciphertext. However, a substitution cipher is simpler and easy to break.
Can you solve the cipher?
Acquire a Cryptogram. Cryptograms are generally very easy to find.
What is an affine cipher?
Affine cipher. The Affine cipher is a type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent and then encrypted using a simple mathematical function. It inherits the weaknesses of all substitution ciphers.