diff options
| -rw-r--r-- | apps/dhparam.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/apps/dhparam.c b/apps/dhparam.c index 1210adb104..bd91234abd 100644 --- a/apps/dhparam.c +++ b/apps/dhparam.c @@ -381,10 +381,19 @@ int MAIN(int argc, char **argv) } else # endif { - if (informat == FORMAT_ASN1) + if (informat == FORMAT_ASN1) { + /* + * We have no PEM header to determine what type of DH params it + * is. We'll just try both. + */ dh = d2i_DHparams_bio(in, NULL); - else /* informat == FORMAT_PEM */ + /* BIO_reset() returns 0 for success for file BIOs only!!! */ + if (dh == NULL && BIO_reset(in) == 0) + dh = d2i_DHxparams_bio(in, NULL); + } else { + /* informat == FORMAT_PEM */ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); + } if (dh == NULL) { BIO_printf(bio_err, "unable to load DH parameters\n"); @@ -484,10 +493,13 @@ int MAIN(int argc, char **argv) } if (!noout) { - if (outformat == FORMAT_ASN1) - i = i2d_DHparams_bio(out, dh); - else if (outformat == FORMAT_PEM) { - if (dh->q) + if (outformat == FORMAT_ASN1) { + if (dh->q != NULL) + i = i2d_DHxparams_bio(out, dh); + else + i = i2d_DHparams_bio(out, dh); + } else if (outformat == FORMAT_PEM) { + if (dh->q != NULL) i = PEM_write_bio_DHxparams(out, dh); else i = PEM_write_bio_DHparams(out, dh); |