Stephan,
This function "X509_get_notBefore(cert));" returns a ASN1_TIME pointer so u cannot print out the results using %d which is for integers or maybe it prints out something but not correct. Now just call like this:
ASN1_TIME *cert_time;
char *pstring;
cert_time = X509_get_notBefore(cert));
pstring = (char*)cert_time->data;
printf("Time unformatted is: %s",pstring);
The format should be like "YYMMDDHHMMSSZ" as someone previously said.
I am sorry i did not parse this but i am sure you can figure it out yourself.
Good luck!
Stefan Vatev <[EMAIL PROTECTED]> wrote:
Stefan Vatev <[EMAIL PROTECTED]> wrote:
> hi DS,
> here is the code snippet i'm using:
>
> X509 *cert;
> FILE fp;
> fp=fopen("cacert.der","r");
> /* error check*/
> cert=d2i_X509_fp(fp,NULL);
> /* error check*/
> printf("Valid From : %d",X509_get_notBefore(cert));
> /*gives 13 and when printed using %s, it gives
> segmentation fault*/
>
> actually, the call X509_get_notBefore() is a macro
> defined in ssl.h as
>
> #define X509_get_notBefore(x)
> ((x)->cert_info->validity->notBefore)
>
> and the data type of the member 'notBefore' is ASN1_TIME
> . am i doing something wrong and do u have any idea that
> how can i parse and print the date elements?
>
> thanx and regards,
> -Vipin
>
Well, if you just want to print a date, use
ASN1_TIME_print(BIO*, ASN1_TIME*)
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