[TriLUG] Converting XML Private Key

[Shawn Hood]

Doh.  I didn't see the additional tags within the private key example.
 That presents a problem.  :)

On Wed, May 13, 2009 at 4:56 PM, Shawn Hood <shawnlhood at gmail.com> wrote:
> John,
>
> Though the keys are encapsulated in XML tags, it looks like the actual
> key are typical base-64, and perhaps "usable" by openssl.  Give it a
> shot.
>
> On Wed, May 13, 2009 at 4:26 PM, John Wheeler
> <jwheeler at etherealfringe.com> wrote:
>> I have run across something that has me quite stumped.
>>
>> I work on the receiving end of a data feed upon which the rest of the team
>> builds an application.
>> My job is data mapping and processing. Yes, boring... i know.
>>
>> Recently a client became concerned about the safety of some pieces of feed
>> data.
>> So they sent us an application called RSA.exe that generated a
>> public/private RSA keypair.
>> (example appended below)
>>
>> So we sent them the public key, and some fields in the data stream are now
>> base64 encoded strings.
>>
>> My problem is that i have to decrypt these strings. And this is all the
>> information that i have.
>> Long story short, i cannot get OpenSSL to recognize this Key Store Format. I
>> am tempted to say that is is an export format supported by the .NET
>> framework.
>> Being an open source shop here we do not delve into such mysteries.
>>
>> If anyone recognizes or has a suggestion as to how i should go about
>> processing a key store like this, I would be much obliged.
>>
>>
>> Keys are in the format of the following: (real values but of course not the
>> set we are using)
>>
>> Public key:
>> <RSAKeyValue><Modulus>wroG1oc9DGAIWeDjaZ8wPNvjNnoZ5XZp8D3/9utI6Cyqp8WIITCZdkMwpZ
>> YLJgjfGUxrvM0KecN5+HHFz8KzVgebxCJEwGfDUbb7wmS6zKJNORDfKDo/G769N45RyWOqc0FZvove93
>> WCfF8+MpskQh/vLlrL86EJR0+5MHjMpac=</Modulus><Exponent>AQAB</Exponent></RSAKeyVal
>> ue>
>>
>> Private key:
>> <RSAKeyValue><D>kuO7VsbrkVM72Xjgc4OG4tHIYwbWVBbwMS7D0GKKO8G99hL27np3uRNUNgSqYkWc
>> 7buNJf3SIioH7xb77g5kMndfm924B7DoXH3k8p8wjvTstdyFyG+YRydGShhGsBh/njPYbk3IkPZ26RMj
>> r6GRRy5HF+NxWfkvvwCcWCrxABE=</D><DP>OliC3puvMSD5vgkHiybUUxqjQ0WepuU48XARb3C2M0bN
>> /2gxbQuT0iPYbnuRZ2kOrPzNYSO9c0s1apszzXn8wQ==</DP><DQ>myQAkY1GUQHLmUGiCQ81JDf2X90
>> 9a/pOc1IXlaPhihdevdhNuil1Y2glckE9zVpkyusHVa0B9YDWDa7Ciyuf6Q==</DQ><InverseQ>LvMe
>> ahcblnFbB0F6J7tIz5FvjlX8hWnihcLRqi+nbAlH/n07L5Ndllfunt42XwZ/7Ft9gm4Rh9Nk0Wry8tzo
>> iQ==</InverseQ><P>45uCDxgahtRHqjimGRZsKLNMCWZt562XBQN1BWWCviAzyEMPcJgmfLQXr1wohI
>> xIgOgFVRtJAZhFFjIzVQ5L/w==</P><Q>2wR+IurAet0laSQRBYbhZZa+Cj5rmEJzwiyg3iS7rjxjcb4
>> TxD2Eclt35KQLv8pHSarV2HDYzNimy29HS/PGWQ==</Q></RSAKeyValue>
>> --
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>>
>
>
>
> --
> Shawn Hood
> 910.670.1819 m
>



-- 
Shawn Hood
910.670.1819 m