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RSA & 3DES

pradeep selvaraj
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Joined: Nov 29, 2005
Posts: 62
Hi,

Our client requires us to use 3DES to encrypt the files that we send to them. They want us to create certificates with encryption algorithm as 3DES with the hashing & receipt algorithm being SHA1.

I havent done much in security, my idea is that 3DES is like RSA. Am i correct? If so are there any tools to create certificates using 3DES?


Thank you
Pradeep


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Hung Tang
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Joined: Feb 14, 2002
Posts: 148
Originally posted by pradeep selvaraj:

Our client requires us to use 3DES to encrypt the files that we send to them. They want us to create certificates with encryption algorithm as 3DES with the hashing & receipt algorithm being SHA1.

I havent done much in security, my idea is that 3DES is like RSA. Am i correct? If so are there any tools to create certificates using 3DES?

A little late to reply so I'm not sure if I'm much help to you.

3DES is not like RSA. 3DES is an example of what they call symmetric-key encryption whereas RSA is an example of what they call public-key encryption. Public-key is often very useful for solving the key-establishment problem and for signing and verifying signatures and can work alongside with symmetric-key encryption.

Take a look at Java keytool for generating certificates.
http://java.sun.com/j2se/1.4.2/docs/tooldocs/windows/keytool.html
 
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subject: RSA & 3DES