[wg11] Wider testing for Part 21 edition 3 digital signatures

[thomas thurman]

Martin,
Is there an option for a mac version?
thanks,
Tom
On Jun 19, 2014, at 1:22 AM, Martin Hardwick <hardwick at steptools.com> wrote:

> All,
> 
> We are now ready to do some wider testing of the digital signature functionality. There is an open source code base at the following URL for a windows batch program called STEPAuth.
> http://tinyurl.com/STEPAuth
> 
> The STEPAuth program is run from the windows command line and has the following three options:
> 
> STEPAuth    CSR                -- You use this once to make a private key and a certificate request
> STEPAuth    SIGN               -- You use this to sign files
> STEPAuth    VERIFY            -- You use this to verify that a file has not been changed since it was signed and/or to check the authenticity of the signature
> 
> When you run STEPAuth CSR the system will get some information from you and make a private key file (that you should keep secret) and a certificate request file (.csr). The certificate request has to be authorized before it can be used to sign files. We can delegate the authorization functionality but for the moment you need to send the .csr file to us at certificate at steptools.com.
> 
> We suggest you put the .csr file into a ZIP before transmission.  It is quite possible that one or more e-mail systems will refuse the transmission and if this is the case then we will have to setup ftp sites.
> 
> We will send you a certificate (in a ZIP). This certificate will have the same name as your .csr file but with the extension .crt. Once you have a certificate you will have everything you need to sign step files as follows
> 
> STEPAuth SIGN <step_file to sign> <private_key> <certificate>
> 
> When you have signed a file you can verify whether the file has been changed since the signature by the following command
> 
> STEPAuth VERIFY <step_file>
> 
> If you use the -v flag (e.g STEPAuth VERIFY signed_file.stp -v) then it will also check that the signature has been properly authorized.
> 
> Martin
> 
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