On Tue, Jul 28, 2009, Bizhan Gholikhamseh (bgholikh) wrote: > Hi All, > In our development enviroment we have an image signing system. Through > some configuration we can create a pair of rsa public/private key by the > system. > > The private key are kept by the system and never are release, however, > through some HTTPS API we are able to recieve public key in binary > format. >
Depends on what you mean by "binary format". > I need to convert this binary format to PEM format so I can verify the > images signed by system is working correctly. > I have been trying to use base64 to convert the binary format to PEM, > openssl enc -base64 -in key.bin -out key.pem > Then I added the following header and trailer to the file: > -----BEGIN PUBLIC KEY----- > ....... > -----END PUBLIC KEY----- > However, when I use this key for any openssl operation I get an error. > "unable to load key file" > I also ran this command on the binary file containing public key and I > got the following error: > openssl rsa -in key.pem -text -pubin > unable to load Public Key > 18936:error:0906D06C:PEM routines:PEM_read_bio:no start > line:pem_lib.c:647:Expecting: PUBLIC KEY > If it is a DER format SubjectPublicKeyInfo structure then doing: openssl rsa -in key.der -inform DER -pubin -text should work. There is no need to manually add the headers and base64 encode. I suspect it probably wont be in that format though and you'd have to convert. Steve. -- Dr Stephen N. Henson. OpenSSL project core developer. Commercial tech support now available see: http://www.openssl.org ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
