Decrypt each of the following cipher texts:
i) Text: "CBBGYAEBBFZCFEPXYAEBB", encrypted with affine cipher
with key (7,2).
ii) Text:"KSTYZKESLNZUV", encrypted with Vigenère cipher with key "RESULT"

Word Count : 228

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Part 2: Decrypting Cipher Texts

i) Affine Cipher:
The affine cipher is a type of monoalphabetic substitution cipher where each letter in an alphabet is mapped to its numeric equivalent, encrypted using a simple mathematical function, and converted back to a letter. The encryption function for the affine cipher is E(x) = (ax + b) mod m, where 'a' and 'b' are the key components, and 'm' is the size of the alphabet.

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Degree : PG DIPLOMA PROGRAMMES
Course Name : Post Graduate Diploma in Early Childhood and Foundational Stage Education
Course Code : PGDECFE
Subject Name : Curriculum and Pedagogy of Early Years and Foundational Stage Education: Part-2
Subject Code : MCD 3
Year : 2023