Ed Hotchkiss wrote:
No worries, I apologize for my outburst. I will check out the viability
of using an SSH module, or using pyCrypto or something to encrypt the data.
Please don't apologise. It's one of c.l.py's charms that an exchange
such as the one you had with Robert Kern results in a
Steve Holden [EMAIL PROTECTED] writes:
Here's my mission: simple P2P class with encryption of whatever type
of file is being sent, and authentication via encrypted user
name/password. So any type of file or login being sent over the net,
any communication between the scripts should be
hah :P awesome, I will be busy this week!
-edward
On 20 Sep 2005 14:23:10 -0700, Paul Rubin http://phr.cx@nospam.invalid wrote:
Steve Holden [EMAIL PROTECTED] writes: Here's my mission: simple P2P class with encryption of whatever type
of file is being sent, and authentication via encrypted
SSH can be used for functionality like this, through tunneling. You can even
tunnel interprocess communication through SSH. Its not exceptionally
complicated.
On Sunday 18 September 2005 13:36, Ed Hotchkiss wrote:
Let us say that I am trying to create a very small and simple private
Is SSL something which needs a script to register (and pay for) a certificate, or is it just another form of encryption ... also - is there a free implementation of OpenSSL for windows, and is openSSL a default application with *NIX?
Thanks.
On 9/19/05, James Stroud [EMAIL PROTECTED] wrote:
SSH
Ed Hotchkiss wrote:
Is SSL something which needs a script to register (and pay for) a
certificate, or is it just another form of encryption ... also - is
there a free implementation of OpenSSL for windows, and is openSSL a
default application with *NIX?
Thanks.
It's SS*H*, and you're
Ed Hotchkiss wrote:
I apologize for misreading your H my dear professor. Perhaps you can
google:asshole and see if your image is present, I would highly doubt
that it is not within the first page of results.
I'm sorry that I did not see the message in the thread which recommended
SSH
No worries,I apologize for my outburst. I will check out the viability of using an SSH module, or using pyCrypto or something to encrypt the data.
Here's my mission: simple P2P class with encryption of whatever type of file is being sent, and authentication via encrypted user name/password. So
Let us say that I am trying to create a very small and simple private network/connection between several scripts on different machines, to communicate instructions/data/files etc. to each other over the net. Is SSL the best method? Any recommendations of something to get started with? Thanks in
Let us say that I am trying to create a very small and simple private network/connection between several scripts on different machines, to communicate instructions/data/files etc. to each other over the net. Is SSL the best method? Any recommendations of something to get started with? Thanks in
I've successfully used this toolkit to implement AES encryption in
a recent project.
http://www.amk.ca/python/code/crypto
-Larry Bates
Robert Kern wrote:
Ed Hotchkiss wrote:
What's the best module for encryption with python, anyone out there
using python and encryption together
Robert Kern [EMAIL PROTECTED] writes:
http://www.nightsong.com/phr/crypto/p3.py
[Ed Hotchkiss wrote:]
Awesome. I just started Python today so I'd have no idea ... how good is
this encryption compared to PGP?
p3.py's functionality is nothing like PGP: it just encrypts character
strings
What's the best module for encryption with python, anyone out there using python and encryption together?-- edward hotchkiss
--
http://mail.python.org/mailman/listinfo/python-list
Awesome. I just started Python today so I'd have no idea ... how good is this encryption compared to PGP? Any info on using this file? Didn't see any on this guys site ...
On 9/16/05, Robert Kern [EMAIL PROTECTED] wrote:
Ed Hotchkiss wrote: Gmail was just an example, I just wanted to learn to
Thank you to Mike Meyer, Kirk Sluder, and anyone who made constructive
comments and/or corrections to my earlier post about generating student
IDs as random numbers.
Especially thanks to Marc Rintsch who corrected a stupid coding mistake I
made. Serves me right for not testing the code.
Kirk
Kirk Job Sluder wrote:
Ron Adam [EMAIL PROTECTED] writes:
I would think that any n digit random number not already in the data
base would work for an id along with a randomly generated password
that the student can change if they want. The service provider has
full access to the data with
Steven D'Aprano [EMAIL PROTECTED] writes:
On Wed, 07 Sep 2005 14:31:03 -0700, jlocc wrote:
Basically I will like to combine a social security number (9 digits)
and a birth date (8 digits, could be padded to be 9) and obtain a new
'student number'. It would be better if the original
Paul Rubin http://[EMAIL PROTECTED] writes:
Kirk Job Sluder [EMAIL PROTECTED] writes:
Well, there is a form of security design that involves one-way
encryption of confidential information. You might want to be able to
search on SSN, but not have the actual SSN stored in the database. So,
Kirk Job Sluder [EMAIL PROTECTED] writes:
You have a client on the phone who needs access to information, but has
forgotten or lost the 10-digit unique ID and the PIN you gave them two
years ago. How do you provide that client with the information he or
she needs? This is the kind of dilemma
Paul Rubin http://[EMAIL PROTECTED] writes:
Kirk Job Sluder [EMAIL PROTECTED] writes:
We're told there is already a secure database in the picture
somewhere, or at least one that unescapeably contains cleartext SSN's,
so that's the system that should assign the ID numbers and handle
Kirk Job Sluder wrote:
Paul Rubin http://[EMAIL PROTECTED] writes:
Kirk Job Sluder [EMAIL PROTECTED] writes:
We're told there is already a secure database in the picture
somewhere, or at least one that unescapeably contains cleartext SSN's,
so that's the system that should assign the ID numbers
On Saturday 10 September 2005 14:01, Kirk Job Sluder wrote:
Providing any kind of access to data involves creating a security hole.
This is the biggest flaw in most discussions of computer security.
On 9/9/05 Steven D'Aprano wrote:
There are one-way encryption functions where the result can't
Kirk Job Sluder [EMAIL PROTECTED] writes:
I'm more than happy to agree to disagree on this, but I see it
differently. In aviation there certainly is a bit of risk-benefit
analysis going on in thinking about whether the cost of a given safety
is justified given the benefits in risk reduction.
Kirk Job Sluder wrote:
The only way to keep confidential stuff secure is to shred it, burn it,
and grind the ashes.
I think the fundamental problem is that that most customers don't want
actual security. They want to be able to get their information by
calling a phone number and saying
In [EMAIL PROTECTED], Steven
D'Aprano wrote:
last_number_used = 12345
usable_IDs = []
def make_studentID():
global last_number_used
global usable_IDs
if not usable_IDs:
# generate another batch of IDs in random order
usable_IDs = range(last_number_used,
On Saturday 10 September 2005 15:02, Ron Adam wrote:
Kirk Job Sluder wrote:
I would think that any n digit random number not already in the data
base would work for an id along with a randomly generated password that
the student can change if they want. The service provider has full
access
James Stroud [EMAIL PROTECTED] writes:
Yes and no. Yes, you are theoretically correct. No, I don't think
you have the OP's original needs in mind (though I am mostly
guessing here). The OP was obviously a TA who needed to assign
students a number so that they could anonymously check their
On Saturday 10 September 2005 16:30, Paul Rubin wrote:
The info to be combined was the student's birthdate. Why would the TA
have access to either that or the SSN?
Speaking as a former TA, we had all that and a little more, if I remember
correctly. The why aspect is a little beyond me.
James
James Stroud wrote:
On Saturday 10 September 2005 15:02, Ron Adam wrote:
Kirk Job Sluder wrote:
I would think that any n digit random number not already in the data
base would work for an id along with a randomly generated password that
the student can change if they want. The service provider
Paul Rubin http://[EMAIL PROTECTED] writes:
Kirk Job Sluder [EMAIL PROTECTED] writes:
Likewise, credit companies are currently making money hand-over-fist.
If an identity is compromised, it's cheaper for them to just close the
account, refund the money, and do their own fraud investigation
Ron Adam [EMAIL PROTECTED] writes:
Kirk Job Sluder wrote:
They want to be able to get their information by
calling a phone number and saying a few words/phrases they memorized in
childhood. Given the current market, it seems to be cheaper to deal
with breaks after the fact than to
On Wed, 07 Sep 2005 15:52:19 -0700, James Stroud wrote:
Also, I should note that the sha function will, to the limits of anyone's
ability to analyze it, decouple the information from the hash. So, to be
careful, you should keep the algorithm to generate the IDs secret.
Security by obscurity
Steven D'Aprano [EMAIL PROTECTED] writes:
On Wed, 07 Sep 2005 14:31:03 -0700, jlocc wrote:
Basically I will like to combine a social security number (9 digits)
and a birth date (8 digits, could be padded to be 9) and obtain a new
'student number'. It would be better if the original numbers
Hi!
I was wondering if someone can recommend a good encryption algorithm
written in python. My goal is to combine two different numbers and
encrypt them to create a new number that cann't be traced back to the
originals.
It would be great if there exists a library already written to do this,
and
Aloha,
[EMAIL PROTECTED] wrote:
I was wondering if someone can recommend a good encryption algorithm
written in python.
It would be great if there exists a library already written to do this,
and if there is, can somebody please point me to it??
M2Crypto, interface to OpenSSL
In article [EMAIL PROTECTED],
[EMAIL PROTECTED] wrote:
Hi!
I was wondering if someone can recommend a good encryption algorithm
written in python. My goal is to combine two different numbers and
encrypt them to create a new number that cann't be traced back to the
originals.
It would
My goal is to combine two different numbers and
encrypt them to create a new number that cann't be traced back to the
originals.
Here's one:
def encrypt(x, y):
Return a number that combines x and y but cannot be traced back
to them.
return x + y
--
Steve M wrote:
My goal is to combine two different numbers and
encrypt them to create a new number that cann't be traced back to the
originals.
Here's one:
def encrypt(x, y):
Return a number that combines x and y but cannot be traced back
to them.
return x + y
Or you can use sha1
This is either a very simple or a very open-ended question you have asked. Do
you want to be able to recover the original numbers arbitrarily from the
combination? What properties do you want the combination to have? Do you want
to take the combination and a number and see if the number is in
Basically I will like to combine a social security number (9 digits)
and a birth date (8 digits, could be padded to be 9) and obtain a new
'student number'. It would be better if the original numbers can't be
traced back, they will be kept in a database anyways. Hope this is a
bit more specific,
[EMAIL PROTECTED] writes:
Basically I will like to combine a social security number (9 digits)
and a birth date (8 digits, could be padded to be 9) and obtain a new
'student number'. It would be better if the original numbers can't be
traced back, they will be kept in a database anyways. Hope
[EMAIL PROTECTED] wrote:
Basically I will like to combine a social security number (9 digits)
and a birth date (8 digits, could be padded to be 9) and obtain a new
'student number'. It would be better if the original numbers can't be
traced back, they will be kept in a database anyways. Hope
On Wednesday 07 September 2005 14:31, [EMAIL PROTECTED] wrote:
Basically I will like to combine a social security number (9 digits)
and a birth date (8 digits, could be padded to be 9) and obtain a new
'student number'. It would be better if the original numbers can't be
traced back, they will
Also, I should note that the sha function will, to the limits of anyone's
ability to analyze it, decouple the information from the hash. So, to be
careful, you should keep the algorithm to generate the IDs secret. The
advantage of creating an ID from info in this way is that the ID is (should
James Stroud [EMAIL PROTECTED] writes:
Then your best bet is to take a reasonable number of bits from an sha hash.
But you do not need pycrypto for this. The previous answer by ncf is good,
but use the standard library and take 9 digits to lessen probability for
clashes
import sha
def
Paul Rubin wrote:
James Stroud [EMAIL PROTECTED] writes:
Then your best bet is to take a reasonable number of bits from an sha hash.
But you do not need pycrypto for this. The previous answer by ncf is good,
but use the standard library and take 9 digits to lessen probability for
clashes
to be
judged. I never intended to dabble in commercial cryptography.)
- Original Message -
From: Christos TZOTZIOY Georgiou [EMAIL PROTECTED]
Newsgroups: comp.lang.python
To: python-list@python.org
Sent: Friday, May 27, 2005 11:52 AM
Subject: Re: Encryption with Python?
On 26 May 2005 14:45
On Tue, 24 May 2005 10:16:15 +0200, rumours say that Anthra Norell
[EMAIL PROTECTED] might have written:
Why whack someone over the head who tries to develop an idea of his own.
Such an approach isn't uncommon to earn extra credit in educational
settings.
I would never whack someone over the
Christos TZOTZIOY Georgiou [EMAIL PROTECTED] writes:
That's all. I see you took up the challenge and indirectly replied to
my last question, and in good spirit I say you earned a little respect
from me, at least for standing up to your words. Now I hope no-one
gives a try to your data (for
:06 AM
Subject: Re: Encryption with Python?
On Sat, 7 May 2005 13:51:40 +0200, rumours say that Anthra Norell
[EMAIL PROTECTED] might have written:
Here's the challenge. Prove this breakable
'\x10\x88d\x1d\xba\xa1\xdcK\x05w\x02/s\xa7Q0\xeb8\xb6Gx\xef\xcb\x1e=\xf5\x
7
f
\x9bI\xcb
encryption in Python? Any
modern block cipher will do: AES, Blowfish, etc. I'm not looking for
public key stuff; I just want to provide a pass-phrase.
I found a few modules out there, but they seem to be all but abandoned.
Most seem to have died several years ago. The most promising
On Sat, 7 May 2005 13:51:40 +0200, rumours say that Anthra Norell
[EMAIL PROTECTED] might have written:
Here's the challenge. Prove this breakable
'\x10\x88d\x1d\xba\xa1\xdcK\x05w\x02/s\xa7Q0\xeb8\xb6Gx\xef\xcb\x1e=\xf5\x7f
Anthra Norell wrote:
Thanks a lot for the feedback. This is certainly a great learning
experience. It's a fascinating topic too. Without wishing to annoy,
I'd be
interested in knowing more. I insert questions below.
You can google your questions and you will find them out answered in
many
Robert Kern wrote:
Peter Hansen wrote:
Back to Paul's question then: why use an unreliable and
probably-useless-for-all-but-spawning-lengthy-but-educational-threads
encryption method when there are relatively reliable and, uh, less
discussed and non-edifying, uh... well, you get the
Peter Hansen wrote:
Education is a process one must engage in. You don't just step in it.
The education to which I was referring was that which _most_ of us just
received by reading Paul's and your replies, not from anything in the
OP's postings. ;-)
Okay, I'll buy that. :-)
--
Robert
Original Message -
From: Paul Rubin http://phr.cx@NOSPAM.invalid
Newsgroups: comp.lang.python
To: python-list@python.org
Sent: Tuesday, May 10, 2005 12:59 AM
Subject: Re: Encryption with Python?
..
Since good encryption schemes that don't have significant performance
penalties
Anthra Norell wrote:
From: Paul Rubin http://phr.cx@NOSPAM.invalid
..
Since good encryption schemes that don't have significant performance
penalties are widely available, why mess with a crap scheme EVER? Why
use a solution that might or might not be adequate when you can use
one that's
Robert,
Thanks a lot for your thorough explanations.
- Original Message -
From: Robert Kern [EMAIL PROTECTED]
To: python-list@python.org
Sent: Saturday, May 07, 2005 3:18 PM
Subject: Re: Encryption with Python?
( snip )
You do realize that if I have two ciphertexts encrypted
Anthra Norell [EMAIL PROTECTED] writes:
The non-randomness of the difference is evidence of having guessed the key,
right? Why then do I need two samples? If I hack away at a single sample I
get a probably more conspicuous non-randomness twice as fast.
No. Let's say you encrypt two ascii
Paul,
I thank you too for your response. Let me just tell you what goes
through my mind.
- Original Message -
From: Paul Rubin http://phr.cx@NOSPAM.invalid
Newsgroups: comp.lang.python
To: python-list@python.org
Sent: Monday, May 09, 2005 9:45 PM
Subject: Re: Encryption with Python
Anthra Norell [EMAIL PROTECTED] writes:
I don't follow. There is no bitwise correlation between a plain-text
character and its encoded equivalent. What's more, there is no detectable
correlation at all.
Your question was how could you tell if two ciphertexts were encrypted
with the same key.
Blake T. Garretson wrote:
I want to save some sensitive data (passwords, PIN numbers, etc.) to
disk in a secure manner in one of my programs. What is the
easiest/best way to accomplish strong file encryption in Python? Any
modern block cipher will do: AES, Blowfish, etc. I'm not looking
rather
than rejected.
###
- Original Message -
From: Blake T. Garretson [EMAIL PROTECTED]
Newsgroups: comp.lang.python
To: python-list@python.org
Sent: Thursday, May 05, 2005 10:20 PM
Subject: Encryption with Python?
I want to save some sensitive data (passwords, PIN numbers
Anthra Norell [EMAIL PROTECTED] writes:
I rolled my own for relatively short sequences, like passwords. The
key is an integer. To decrypt use the negative encryption key. I
consider the encryption unbreakable, as it is indistinguishable from
a random sequence.
You're using the built-in random
Anthra Norell wrote:
I rolled my own for relatively short sequences, like passwords. The key is
an integer. To decrypt use the negative encryption key. I consider the
encryption unbreakable, as it is indistinguishable from a random sequence.
Frederic
###
def crypt (sequence, key):
: Saturday, May 07, 2005 11:11 AM
Subject: Re: Encryption with Python?
Anthra Norell wrote:
I rolled my own for relatively short sequences, like passwords. The key
is
an integer. To decrypt use the negative encryption key. I consider the
encryption unbreakable, as it is indistinguishable from
What machine did you say that was, again?
Jim
--
http://mail.python.org/mailman/listinfo/python-list
Anthra Norell [EMAIL PROTECTED] writes:
Thanks a lot for the feedback. This is certainly a great learning
experience. It's a fascinating topic too. Without wishing to annoy, I'd be
interested in knowing more. I insert questions below.
There is a lot of information about the issues on the net.
]
To: python-list@python.org
Sent: Saturday, May 07, 2005 11:11 AM
Subject: Re: Encryption with Python?
Anthra Norell wrote:
I rolled my own for relatively short sequences, like passwords. The key
is
an integer. To decrypt use the negative encryption key. I consider the
encryption unbreakable
I use http://www.amk.ca/python/code/crypto.html
Regards,
Philippe
Blake T. Garretson wrote:
I want to save some sensitive data (passwords, PIN numbers, etc.) to
disk in a secure manner in one of my programs. What is the
easiest/best way to accomplish strong file encryption in Python
/crypto.html
Regards,
Philippe
Blake T. Garretson wrote:
I want to save some sensitive data (passwords, PIN numbers, etc.) to
disk in a secure manner in one of my programs. What is the
easiest/best way to accomplish strong file encryption in Python? Any
modern block cipher will do: AES
Blake T. Garretson wrote:
I want to save some sensitive data (passwords, PIN numbers, etc.) to
disk in a secure manner in one of my programs. What is the
easiest/best way to accomplish strong file encryption in Python? Any
modern block cipher will do: AES, Blowfish, etc. I'm not looking
I want to save some sensitive data (passwords, PIN numbers, etc.) to
disk in a secure manner in one of my programs. What is the
easiest/best way to accomplish strong file encryption in Python? Any
modern block cipher will do: AES, Blowfish, etc. I'm not looking for
public key stuff; I just want
Bill Gates us MD5. Hah!
Sorry. :-)
Blake T. Garretson wrote:
I want to save some sensitive data (passwords, PIN numbers, etc.) to
disk in a secure manner in one of my programs. What is the
easiest/best way to accomplish strong file encryption in Python? Any
modern block cipher will do: AES
Blake T. Garretson [EMAIL PROTECTED] writes:
I want to save some sensitive data (passwords, PIN numbers, etc.) to
disk in a secure manner in one of my programs. What is the
easiest/best way to accomplish strong file encryption in Python? Any
modern block cipher will do: AES, Blowfish, etc
Blake T. Garretson wrote:
I found a few modules out there, but they seem to be all but abandoned.
Most seem to have died several years ago.
a lack of recent releases can also mean that they just work...
Is this the defacto Python encryption solution? What does everyone
else use? Any
In article [EMAIL PROTECTED], Paul Rubin wrote:
Blake T. Garretson [EMAIL PROTECTED] writes:
I found a few modules out there, but they seem to be all but abandoned.
Most seem to have died several years ago. The most promising package
is A.M. Kuchling's Python Cryptography Toolkit
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