> Steve Wrote: > This is one area that will be updated in OpenSSL 0.9.5. There is an > 'smime' application in the 0.9.5 development release and a simpler API > that does most of the hard work. That might be a good place to start. > For the pkcs7 function in openssl, what does it do exactly for the current version? I found the command: openssl pkcs7 ...... and in file crypt/pkcs7/sign.c, some functions seem to provide the "contentType=signedData" encoding and decoding. But when I tried to run it, always failed at "PEM_write_PKCS7(STDOUT,p7);" What is wrong? Dennis ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]