" and validity %s-%s\n", subject, fstr, tstr);
x509write_crt_init(&cert);
- x509write_crt_set_md_alg(&cert, POLARSSL_MD_SHA1);
+ x509write_crt_set_md_alg(&cert, POLARSSL_MD_SHA256);
x509write_crt_set_issuer_key(&cert, &key);
x509write_crt_set_subject_key(&cert, &key);
x509write_crt_set_subject_name(&cert, subject);