...Ciphertext can be modified at any point of the
process.
• Easy location of corresponding characters in the ciphertext and the substituted text
by selection.
• Fast frequency analysis for single letters, bigrams, trigrams and quadgrams (more
N -grams can be made available by adding a single line of code).
• Showing the most common letters (bi-/trigrams) in the ciphertext compared to the
most common letters (bi-/trigrams) in the British English language.
• Easy assignment and change of the substitution letters...