def des_decrypt_str(str_to_decrypt):
"""DES decryption of string using PyCrypto lib"""
if NO_ENCRYPT:
return str_to_decrypt
enc_obj = DES.new(passphrase_dao.get_encrypt_secret(), DES.MODE_ECB)
dec_str = enc_obj.decrypt(str_to_decrypt)
# ISSUE: This throws an unable to encode ascii codec exception
try:
dec_str.encode("ascii")
except:
logging.error("Unable to encode/decode ascii codec")
return ""
return string.rstrip(dec_str)
def des_decrypt_str(str_to_decrypt):
"""DES decryption of string using PyCrypto lib"""
if NO_ENCRYPT:
return str_to_decrypt
enc_obj = DES.new(passphrase_dao.get_encrypt_secret(), DES.MODE_ECB)
dec_str = enc_obj.decrypt(str_to_decrypt)
# ISSUE: This throws an unable to encode ascii codec exception
try:
dec_str.encode("ascii")
except:
logging.error("Unable to encode/decode ascii codec")
return ""
return string.rstrip(dec_str)
def des_encrypt_str(str_to_encrypt):
"""DES encryption of string using PyCrypto lib"""
if NO_ENCRYPT:
return str_to_encrypt
enc_obj = DES.new(passphrase_dao.get_encrypt_secret(), DES.MODE_ECB)
logging.info("Input string, about to pad: " + str_to_encrypt + ". Str len: " + str(len(str_to_encrypt)))
""" Convert to UTF-8 encoding """
str_to_encrypt.encode("utf-8")
logging.info("THE UTF-8 String: " + str_to_encrypt)
for i in range(8-(len(str_to_encrypt) % 8)):
str_to_encrypt += " "
logging.info("Input string, padded: " + str_to_encrypt)
return enc_obj.encrypt(str_to_encrypt)
def des_encrypt_str(str_to_encrypt):
"""DES encryption of string using PyCrypto lib"""
if NO_ENCRYPT:
return str_to_encrypt
enc_obj = DES.new(passphrase_dao.get_encrypt_secret(), DES.MODE_ECB)
logging.info("Input string, about to pad: " + str_to_encrypt +
". Str len: " + str(len(str_to_encrypt)))
""" Convert to UTF-8 encoding """
str_to_encrypt.encode("utf-8")
logging.info("THE UTF-8 String: " + str_to_encrypt)
for i in range(8 - (len(str_to_encrypt) % 8)):
str_to_encrypt += " "
logging.info("Input string, padded: " + str_to_encrypt)
return enc_obj.encrypt(str_to_encrypt)
