On 30 Mar 2011, at 9:59 AM, luis hernandez wrote: > i get a file with a signed base64 string produced using the following > commands: > > openssl dgs -md5 -sign key.pem stringtosign.txt | openssl enc -base64 -A > > signedbase64string.txt > > that signed string is part of a text file that includes the certificate in > pem format without the public key. > from that file i can get the original stringtosign.txt but because the key > belongs to the owner and i can not have it. > is it possible to verify that the signedbase64string is correct only with the > information i have?
The certificate contains the public part of the key (as well as some other information), which allows you to verify the signature. I think the "-verify" argument to dgst will do what you want. ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org