Hmm, as for "AES(pad(data))": *'module' object has no attribute 'pad'* * * In addition, can't find any reference of what "pad()" is in Python.
On Tuesday, June 25, 2013 3:58:59 PM UTC+2, Massimo Di Pierro wrote: > > One more try: > > import gluon.contrib.aes as AES > key = "your encryption key" > IV = ' '*16 > db.table.field.filter_in = lambda data,key=key,iv=IV: > AES.new(key,AES.MODE_CBC,iv).encrypt(AES.pad(data)) > db.table.field.filter_out = lambda data,key=key,iv=IV: > AES.new(key,AES.MODE_CBC,iv).decrypt(data) > > the output will not be identical but may have additional spaces at the end. > > On Tuesday, 25 June 2013 07:27:11 UTC-5, Massimo Di Pierro wrote: >> >> Sorry. try this: >> >> import gluon.contrib.aes as AES >> key = "your encryption key" >> IV = ' '*16 >> db.table.field.filter_in = lambda data,key=key,iv=IV: >> AES.new(key,AES.MODE_CBC,iv).encrypt(data) >> db.table.field.filter_out = lambda data,key=key,iv=IV: >> AES.new(key,AES.MODE_CBC,iv).decrypt(data) >> >> >> On Tuesday, 25 June 2013 07:08:41 UTC-5, lesssugar wrote: >>> >>> OK, I get it. However, using the code I get: >>> >>> *AttributeError: type object 'AES' has no attribute 'new'* >>> >>> On Tuesday, June 25, 2013 2:00:06 PM UTC+2, Massimo Di Pierro wrote: >>>> >>>> You cannot use CRYPT for this purpose. That is a one way hash. The >>>> original plaintext cannot be recovered. >>>> >>>> You need a symmetric cypher. Web2py comes with the gluon/contrib/aes.py >>>> >>>> from gluon.contrib.aes import AES >>>> key = "your encryption key" >>>> IV = ' '*16 >>>> db.table.field.filter_in = lambda data,key=key,iv=iv: >>>> AES.new(key,AES.MODE_CBC,iv).encrypt(data) >>>> db.table.field.filter_out = lambda data,key=key,iv=iv: >>>> AES.new(key,AES.MODE_CBC,iv).decrypt(data) >>>> >>>> >>>> >>>> On Tuesday, 25 June 2013 06:11:49 UTC-5, lesssugar wrote: >>>>> >>>>> I have values I would like to store encrypted in my db after user >>>>> inserts them. When displayed, the data should get decrypted. >>>>> >>>>> All I know about encryption in web2py is that it uses HMAC+SHA512 by >>>>> default to store password in auth_user table. How do I customize it to >>>>> achieve my goal? >>>>> >>>>> *EDIT* >>>>> I found this: *requires=CRYPT(digest_alg='sha512')* - but I think >>>>> it's only crating a hash, right? I guess I need a key to encrypt/decrypt. >>>>> And how do I get the values in Row object decrypted after I perform a >>>>> select? Can't find much about implementing such mechanism in web2py, >>>>> unfortunately. >>>>> >>>> -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
