<Contact>
In order to reach me by email, please copy/paste and run the python script below
If you don't have python installed, you can use an online IDE such as https://www.online-python.com/
This is done to reduce spam :)
import numpy
import string
secret = "\xbc\xc3\xc8\xd2\x40\xbc\xc3\xc8\xd2\x2e\xca\xbb\xc1\xbf"
alpha = string.ascii_letters
alpha_length = len(alpha)
matrix = numpy.identity(alpha_length, dtype=numpy.int32)
matrix[:alpha_length, alpha_length-1] = 1
ascii_values = numpy.array(list(map(ord, alpha)), dtype=numpy.int32)
transformed_ascii = ''.join(map(chr, numpy.dot(matrix, ascii_values)))
decrypt_matrix = str.maketrans(transformed_ascii, alpha)
decoded = secret.translate(decrypt_matrix)
print(decoded)