excellent tutorial. I think I am close.
The following program returns:
06 08 2a 86 48 86 f7 0d 02 05
if I say "MD5", but note that the length returned is 8, and bp is
incremented by 10. How do I interpret the length parameter or am I
missing something?
#include <stdio.h>
#include <asn1.h>
#include <objects.h>
int main(int argc, char *argv[]) {
unsigned char buf[4096], *bp;
int i,j;
bp = buf;
i = i2d_ASN1_OBJECT(OBJ_nid2obj(OBJ_sn2nid(argv[1])),&bp);
for( j = 0 ; j < i + 2 ; j++ )
fprintf( stdout , "%02x ", buf[j] );
fprintf(stdout, "\n" );
return 0;
}
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