INITIAL NOTE:This is just for a personal tinkering project; I\'m not writing enterprise security here, and if I were, I\'d know better than to try to write my own scheme. :-D
I have used unsalted md5/sha1 for long time, but as this method isn\'t really secure (and is getting even less secure as time goes by) I decided to switch to a salted sha512. Furthermore I want to slo
I have forms within my website. Some of these forms include PayPal forms (forms that submit information to PayPal). I do not wish my customers to view the source code and see what fields & their r
import Crypto.Cipher.DES import stru开发者_运维问答ct def rol32(x, y): ret = ((x<<y)&0xFFFFFFFF)|((x>>(32-y))&0xFFFFFFFF)
looking to do RSA encryption on a short string in python. This is for a piece of user data that I want to store without staff (incl myself) bei开发者_C百科ng able to see it. The private key will be on
Imagine that a server is serving public keys of the users to their partners to make encrypted communication possible. However, the server does NOT have access to the private keys..
With respect to Oracle Database 11g transparent data encryption (TDE) with HSM, I understand that th开发者_JAVA百科e following command is used to set the master encryption key. However, why does a use
Any success in implementing SHA1withDSA signature with PHP? A failure reported here. PKCS8EncodedKeySpec prvSpec = new PKCS8EncodedKeySpec(prvKeyBytes);
http://en.wikipedia.org/wiki/CMAC http://www.rfc-archive.org/getrfc.php?rfc=4493 There are two keys K1 and K2. Are there any other reasons, beside that messages 1 differs from 10^127 (1 and 127 zero
Can someone tell me why the following code intermittently throws an exception ? I am running Vista Ultimate 32 bit and VS2010 .NET4