def test_q4(file1, file2):
print('Testing encryption over sample file:')
plaintext = utilities.file_to_text('plaintext_xcrypt_sample.txt')
ciphertext = utilities.file_to_text('ciphertext_xcrypt_sample.txt')
key = 82
ciphertext2 = solution.e_xcrypt(plaintext, key)
if ciphertext == ciphertext2:
print('Encryption Successful')
else:
print('Encryption failed')
plaintext2 = solution.d_xcrypt(ciphertext2, key)
if plaintext == plaintext2:
print('Decryption Successful')
else:
print('Decryption failed')
print()
print('Testing decryption over sample file:')
plaintext2 = solution.d_xcrypt(ciphertext2, key)
if plaintext == plaintext2:
print('Decryption Successful')
else:
print('Decryption failed')
print()
plaintext = ''
ciphertext = ''
ciphertext2 = ''
plain4 = file1
cipher4 = file2
key = 0
ciphertext = utilities.file_to_text(cipher4)
print('Cryptanalysis of {}:'.format(cipher4))
key, plaintext = solution.cryptanalysis_xcrypt(ciphertext)
print('Key found: ', key)
print()
print('Plaintext:')
print(plaintext[:150])
print()
print('Cryptanalysis Successful? ', end='')
ciphertext2 = solution.e_xcrypt(plaintext, key)
if ciphertext == ciphertext2:
print('Yes')
else:
print('No')
print()
solution.comments_q4()
return
def compare():
#alphabet = """poejiqsrbltxwaznfcdhmvgkuy:'" !.?,-#;"""
#print(get_baseString())
#print(alphabet)
#alphabet = adjust_key(alphabet)
var1 = file_to_text("plaintext_xcrypt_sample.txt")
print(var1)
var2 = solution.d_xcrypt(file_to_text("ciphertext_xcrypt_sample.txt"), 82)
print(var2)
#var3 = file_to_text("plaintext_subcipher_sample.txt")
#print(len(var2))
#print(var2)
#print(var3[1073])
#print(var2)
for i in range(len(var2)):
if var1[i] != var2[i]:
print("var1 is: " + var1[i] + "var2 is: " + var2[i])
print(i)