Hi all,

 

For common uses with PKI I would like to do the following with openssl
command line tool:

1.       Create CA

2.       Create Client

3.       Verify Client in One Way Authentication (OWA)

 

Now, I have successfully did first 2 steps using:

./CA.sh -newca

./CA.sh -newreq

./CA.sh -sign

 

got private and public keys for both sides CA and Client,

now as a part of OWA procedure the third side device called Server gets
Client certificate.

Server needs to:

-          extract sha1 hash signed with client private RSA key
(Signature Alg: sha1RsaEncrypted) from the certificate

-          decrypt sha1 hash using client public RSA key

-          regenerate sha1 hash on the original message to check if it
is correct

 

Once got familiar with the OWA I thought the above are ones of most
common things anyone will want to do with openssl,

however google is unable to find any examples for it so far.

 

what openssl commands will do the above things for me?

It would also help me a lot to know the routines I need to use to do the
same from within C program.

Any help would be much appreciated.

 

regards,

Mike

 



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