technically though USERNAME is clear. so you need to query for username and 
just match the password with the crypted value.

On Monday, August 29, 2016 at 3:05:20 AM UTC+2, Massimo Di Pierro wrote:
>
> This cannot be done. It is a feature not a bug. The purpose of the salt in 
> the hashed password is to prevent brute force attacks to the database. What 
> you are doing is the brute force attack.
>
> The only way to do it is to select all records. Loop one by one and 
> compare them with 
>
> encpwd = 
> CRYPT(digest_alg='pbkdf2(1000,20,sha512)')(request.vars.password)[0])
> for row in db(..).select(): 
>     if row.password == encpwd: ....
>
> I guess this is a ever more brute force attack.... It will be slow but may 
> work on small databases.
>
>
>
>
> On Sunday, 28 August 2016 08:39:06 UTC-5, Steve Joe wrote:
>>
>> db((db.auth_user.username == request.vars.username) & 
>> (db.auth_user.password == 
>> CRYPT(digest_alg='pbkdf2(1000,20,sha512)')(request.vars.password)[0])).select()
>> this doesn't work at all too.
>>
>> On Saturday, August 27, 2016 at 5:44:53 PM UTC+5:30, Kiran Subbaraman 
>> wrote:
>>>
>>> The book can help you: 
>>> http://web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#Logical-operators
>>> You need to use the right operator in your query
>>> You can also use the web2py debugger to figure out how your code works 
>>> and values returned, at runtime.
>>>
>>> ________________________________________
>>> Kiran Subbaramanhttp://subbaraman.wordpress.com/about/
>>>
>>> On Sat, 27-08-2016 2:50 PM, Steve Joe wrote:
>>>
>>> Anyone there? Anthony?
>>>
>>> On Friday, August 26, 2016 at 7:38:40 PM UTC+5:30, Steve Joe wrote: 
>>>>
>>>> *db(db.auth_user.username == request.vars.username and 
>>>> db.auth_user.password == CRYPT(request.vars.password)).select()*
>>>>
>>>>
>>>> *if db(db.auth_user.username == request.vars.username and 
>>>> db.auth_user.password == 
>>>> CRYPT(digest_alg='md5')(request.vars.password)[0]).select(): * 
>>>>
>>>> Both of them don't work either. 
>>>>
>>>> On Friday, August 26, 2016 at 7:30:41 PM UTC+5:30, Niphlod wrote: 
>>>>>
>>>>> fortunately the password doesn't get stored in plain text on web2py :D 
>>>>> You need to apply CRYPT() before comparing. Read more about that on the 
>>>>> book.
>>>>>
>>>>> On Friday, August 26, 2016 at 3:31:54 PM UTC+2, Steve Joe wrote: 
>>>>>>
>>>>>> IN PHONEGAP: 
>>>>>>
>>>>>> <form action="https://#someurl#.
>>>>>> pythonanywhere.com/welcome/phonegap/login">
>>>>>>   username:<br>
>>>>>>   <input type="text" name="username" value="username">
>>>>>>   <br>
>>>>>>   Password:<br>
>>>>>>   <input type="password" name="password" value="">
>>>>>>   <br><br>
>>>>>>   <input type="submit" value="Submit">
>>>>>> </form>
>>>>>>
>>>>>>
>>>>>> IN WEB2PY:
>>>>>>
>>>>>> def login():
>>>>>>     k="false"
>>>>>>     if db(db.auth_user.username == request.vars.username and 
>>>>>> db.auth_user.password == request.vars.password).select():
>>>>>>         k="true"
>>>>>>     return locals()
>>>>>>
>>>>>> and in view I can see:
>>>>>>
>>>>>> <Storage {'username': 'shinchan', 'password': '1156'}> false 
>>>>>> which means I got k as false.
>>>>>>
>>>>>> The username and pasword are correct according to my database but I 
>>>>>> can't login. What should I do?
>>>>>>
>>>>> -- 
>>> Resources:
>>> - http://web2py.com
>>> - http://web2py.com/book (Documentation)
>>> - http://github.com/web2py/web2py (Source code)
>>> - https://code.google.com/p/web2py/issues/list (Report Issues)
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>>>

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