Add missing usage hints how to generate primes.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2834)

diff --git a/apps/prime.c b/apps/prime.c
index 133167f2d4d1e5ed73b8e3b458231afaa17a3d4d..d8f764a3d7f1f06d2dab7b19749cb7657ca29006 100644 (file)
--- a/apps/prime.c
+++ b/apps/prime.c
@@ -155,5 +155,8 @@ int MAIN(int argc, char **argv)
     BIO_printf(bio_err, "options are\n");
     BIO_printf(bio_err, "%-14s hex\n", "-hex");
     BIO_printf(bio_err, "%-14s number of checks\n", "-checks <n>");
+    BIO_printf(bio_err, "%-14s generate prime\n", "-generate");
+    BIO_printf(bio_err, "%-14s number of bits\n", "-bits <n>");
+    BIO_printf(bio_err, "%-14s safe prime\n", "-safe");
     return 1;
 }