On Wed, Feb 15, 2006, list wrote:
> I am looking to encrypt/decrypt files using openssl with a public key..
>
> I set up a test environment and created a key pair with:
> openssl genrsa -des3 -out privkey.pem 2048
> openssl rsa -in privkey.pem -pubout -out pubkey.pem
>
> I can get encryption to work fine with:
> openssl enc -aes-256-cbc -salt -in file -out file.enc
>
> Obviously I am not using my public key however, just password.. so:
> openssl bf -in file -out file.enc -salt -e -K rdm-pub.pem
>
> This returns "iv undefined".
> I dont understand if the IV is something I need to create myself? If I try
> with the -k {pass} I get non-hex digit etc..
>
> I know this is all greatly simplified with gpg, but I would like to limit
> the amout of software that I install/patch on this server. What do I need
> to do to get this working?
>
Well the "enc" command doesn't currently support the use of public keys so
that wont work.
If you create a certificate you can use the "smime" command though.
Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
Funding needed! Details on homepage.
Homepage: http://www.drh-consultancy.demon.co.uk
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