2_Cryptanalysis_Examples

###############  Data Generation ##############################
# Data Generation
Text='The deadline for the homework is on September'
#Mat_text(text_to_num(Text),2)
key = np.array([
    [17, 17],
    [21, 18],])
key = np.array([
    [17, 17,11],
    [21, 18,3],
    [2, 4,23],])
key = np.array([
    [17, 17,11,23],
    [21, 18,3,6],
    [2, 4,23,17],
    [12, 14,2,19],])

Text_encryption(Text,key)[1]
Cipher=Out_text(Text_encryption(Text,key)[1])
Cipher



####################### Cryptanalysis  #############################

#Example 1: 'The deadline for the homework is on September'
#cipher='chbsqqwptgrcxychhmwmkwxyaccmbztarfrojk'   # for n=2
cipher='kxkfttmvqdbkjwsjlqecwaszkwcbyjfygkczvim'   # for n=3
#cipher='unqgyafojovjpqgwxcvcieyfwkeshrhgbpfibcaa'  # for n=4
known_text_mat=['or th','deadline f','the deadline for th']
Cryptanalysis(known_text_mat,cipher)