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python Programming Glossary: crypto

Encrypt & Decrypt using PyCrypto AES 256

http://stackoverflow.com/questions/12524994/encrypt-decrypt-using-pycrypto-aes-256

Decrypt using PyCrypto AES 256 I'm trying to build two functions using PyCrypto that.. AES 256 I'm trying to build two functions using PyCrypto that would accept two parameters the message and the key and.. pycrypto It uses os.urandom and this is discouraged from PyCrypto Moreover I give the key to the function but it's not guaranteed..

How to AES encrypt/decrypt files using Python/PyCrypto in an OpenSSL-compatible way?

http://stackoverflow.com/questions/16761458/how-to-aes-encrypt-decrypt-files-using-python-pycrypto-in-an-openssl-compatible

to AES encrypt decrypt files using Python PyCrypto in an OpenSSL compatible way There are many ways to use AES.. standard. Python has support for AES in the shape of the PyCrypto package but it only provides the tools. How to use Python PyCrypto.. but it only provides the tools. How to use Python PyCrypto to encrypt files in a way that OpenSSL can be used to decrypt..

installing paramiko on Windows

http://stackoverflow.com/questions/2964658/installing-paramiko-on-windows

site packages paramiko common.py line 99 in module from Crypto.Util.randpool import PersistentRandomPool RandomPool ImportError.. RandomPool ImportError No module named Crypto.Util.randpool I'm getting this error even after installing PyCrypto.. I'm getting this error even after installing PyCrypto 2.1. On running test.py which comes with the installation I..

Python build using wrong version of GCC on OS X

http://stackoverflow.com/questions/5944228/python-build-using-wrong-version-of-gcc-on-os-x

build_ext warning GMP library not found Not building Crypto.PublicKey._fastmath. building 'Crypto.Hash.MD2' extension gcc.. found Not building Crypto.PublicKey._fastmath. building 'Crypto.Hash.MD2' extension gcc 4.0 fno strict aliasing fno common dynamic.. build_ext warning GMP library not found Not building Crypto.PublicKey._fastmath. building 'Crypto.Hash.MD2' extension gcc..

How to load an RSA key from a PEM file and use it in python-crypto

http://stackoverflow.com/questions/595114/how-to-load-an-rsa-key-from-a-pem-file-and-use-it-in-python-crypto

be used to retrieved key information p q ... to use with Crypto.PublicKey.construct . python cryptography share improve this.. you tried doing pk open 'public_key.pem' 'rb' .read rsa M2Crypto.RSA.load_pub_key pk That should work. The issue might be with..

How to make a ssh connection with python?

http://stackoverflow.com/questions/6188970/how-to-make-a-ssh-connection-with-python

paramiko to work but I've had errors between paramiko and Crypto to the point where the latest versions of each won't work together...

Can I encrypt email and decrypt it back using python default library set?

http://stackoverflow.com/questions/806739/can-i-encrypt-email-and-decrypt-it-back-using-python-default-library-set

but I don't want to use any third party library like Crypto or something. So I need to generate a ciphertext from a user..

PyCrypto problem using AES+CTR

http://stackoverflow.com/questions/3154998/pycrypto-problem-using-aesctr

right result... from Crypto.Cipher import AES import os crypto AES.new os.urandom 32 AES.MODE_CTR counter lambda os.urandom.. 32 AES.MODE_CTR counter lambda os.urandom 16 encrypted crypto.encrypt aaaaaaaaaaaaaaaa print crypto.decrypt encrypted Here.. 16 encrypted crypto.encrypt aaaaaaaaaaaaaaaa print crypto.decrypt encrypted Here the decrypted text is different from..

Symmetric integer to integer encryption

http://stackoverflow.com/questions/4028998/symmetric-integer-to-integer-encryption

decrypt in the application. python security encryption cryptography obfuscation share improve this question It depends.. obfuscation share improve this question It depends how cryptographically secure you want to be. For not very secure in the.. secure you want to be. For not very secure in the crypto sense probably fine for everyday use if you don't really expect..

How do you verify an RSA SHA1 signature in Python?

http://stackoverflow.com/questions/544433/how-do-you-verify-an-rsa-sha1-signature-in-python

YptjkQIDAQAB END PUBLIC KEY I've been reading the pycrypto docs for a while but I can't figure out how to make an RSAobj.. confused about any terminology please let me know. python cryptography rsa sha1 signature share improve this question The.. lot of standards and you will be best served with using a crypto library to decode it such as M2Crypto as suggested by joeforker..

Will python SystemRandom / os.urandom always have enough entropy for good crypto

http://stackoverflow.com/questions/5480131/will-python-systemrandom-os-urandom-always-have-enough-entropy-for-good-crypto

os.urandom always have enough entropy for good crypto I have a password generator import random string def gen_pass.. spit out bits. The docs say that dev urandom is good for crypto and you only have to use dev random for ssl certs and the like... My question is will gen_pass be good for making strong crypto grade passwords always If I call this function as quickly as..

Python build using wrong version of GCC on OS X

http://stackoverflow.com/questions/5944228/python-build-using-wrong-version-of-gcc-on-os-x

GCC on OS X I am attempting to build the python package pycrypto. OS X has gcc 4.2 installed and not gcc 4.0 but python continues.. install EDIT It looks like that is not going to work for pycrypto its build is too compex. If you don't mind using the Apple supplied.. installed mkdir p cd p curl O http ftp.dlitz.net pub dlitz crypto pycrypto pycrypto 2.3.tar.gz tar xf pycrypto 2.3.tar.gz cd pycrypto..

Broken Pipe error when using pip to install pycrypto on Mac OS X

http://stackoverflow.com/questions/5944332/broken-pipe-error-when-using-pip-to-install-pycrypto-on-mac-os-x

Pipe error when using pip to install pycrypto on Mac OS X I am attempting to install pycrypto version 2.3.. install pycrypto on Mac OS X I am attempting to install pycrypto version 2.3 on OS X via pip. I am getting a Broken pipe error.. that I am getting bash 3.2 bash 3.2 sudo pip install pycrypto Password Downloading unpacking pycrypto Running setup.py egg_info..

How to load an RSA key from a PEM file and use it in python-crypto

http://stackoverflow.com/questions/595114/how-to-load-an-rsa-key-from-a-pem-file-and-use-it-in-python-crypto

to load an RSA key from a PEM file and use it in python crypto I have not found a way to load an RSA private key from a PEM.. an RSA private key from a PEM file to use it in python crypto signature . python openssl can load a PEM file but the PKey.. p q ... to use with Crypto.PublicKey.construct . python cryptography share improve this question is this close to what..

Encrypting a file with RSA in Python

http://stackoverflow.com/questions/6309958/encrypting-a-file-with-rsa-in-python

key encryption share improve this question Public key cryptography is usually used for small amounts of data only. It is.. security is provided by a shared key then use public key cryptography to protect that shared key. For example To encrypt a file.. alongside the encrypted payload. To sign a file compute a cryptographic digest e.g. SHA 256 . Sign the digest of the file with..

Python: reading a pkcs12 certificate with pyOpenSSL.crypto

http://stackoverflow.com/questions/6345786/python-reading-a-pkcs12-certificate-with-pyopenssl-crypto

reading a pkcs12 certificate with pyOpenSSL.crypto I have a valid certificate issued by the spanish authority.. to do that with pyOpenSSL I guess I have to use the crypto module in OpenSSL. Any help or useful link Trying reading here.. reading here http packages.python.org pyOpenSSL openssl crypto.html but not much information python cryptography openssl digital..

Which of these scripting languages is more appropriate for pen-testing? [closed]

http://stackoverflow.com/questions/76408/which-of-these-scripting-languages-is-more-appropriate-for-pen-testing

with libpcap for raw packet work. OpenSSL bindings for crypto. IDA Pro extensions. Mature or at least reasonable C foreign..