ec/asm/ecp_nistz256-*.pl: get corner case logic right.

[openssl.git] / apps / ec.c

diff --git a/apps/ec.c b/apps/ec.c
index a30d3f0a40db4a31d518245e79992a93036cc844..432e9ff5eb2fd3cebe02aa735ed5fb8fc01e6c97 100644 (file)
--- a/apps/ec.c
+++ b/apps/ec.c
@@ -56,7 +56,10 @@
  */
 
 #include <openssl/opensslconf.h>
-#ifndef OPENSSL_NO_EC
+#ifdef OPENSSL_NO_EC
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
 # include <stdio.h>
 # include <stdlib.h>
 # include <string.h>
@@ -83,7 +86,8 @@ typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
     OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
     OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT,
-    OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER
+    OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER,
+    OPT_NO_PUBLIC, OPT_CHECK
 } OPTION_CHOICE;
 
 OPTIONS ec_options[] = {
@@ -97,6 +101,8 @@ OPTIONS ec_options[] = {
     {"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"},
     {"pubin", OPT_PUBIN, '-'},
     {"pubout", OPT_PUBOUT, '-'},
+    {"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"},
+    {"check", OPT_CHECK, '-', "check key consistency"},
     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
     {"param_enc", OPT_PARAM_ENC, 's',
@@ -122,6 +128,7 @@ int ec_main(int argc, char **argv)
     int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_form = 0, new_asn1_flag = 0;
     int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
     int pubin = 0, pubout = 0, param_out = 0, i, ret = 1, private = 0;
+    int no_public = 0, check = 0;
 
     prog = opt_init(argc, argv, ec_options);
     while ((o = opt_next()) != OPT_EOF) {
@@ -189,12 +196,20 @@ int ec_main(int argc, char **argv)
             new_asn1_flag = 1;
             asn1_flag = i;
             break;
+        case OPT_NO_PUBLIC:
+            no_public = 1;
+            break;
+        case OPT_CHECK:
+            check = 1;
+            break;
         }
     }
     argc = opt_num_rest();
-    argv = opt_rest();
+    if (argc != 0)
+        goto opthelp;
+
     private = param_out || pubin || pubout ? 0 : 1;
-    if (text)
+    if (text && !pubin)
         private = 1;
 
     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
@@ -202,9 +217,6 @@ int ec_main(int argc, char **argv)
         goto end;
     }
 
-    if (!app_load_modules(NULL))
-        goto end;
-
     in = bio_open_default(infile, 'r', informat);
     if (in == NULL)
         goto end;
@@ -239,8 +251,11 @@ int ec_main(int argc, char **argv)
     if (new_asn1_flag)
         EC_KEY_set_asn1_flag(eckey, asn1_flag);
 
+    if (no_public)
+        EC_KEY_set_enc_flags(eckey, EC_PKEY_NO_PUBKEY);
+
     if (text) {
-        assert(private);
+        assert(pubin || private);
         if (!EC_KEY_print(out, eckey, 0)) {
             perror(outfile);
             ERR_print_errors(bio_err);
@@ -248,6 +263,15 @@ int ec_main(int argc, char **argv)
         }
     }
 
+    if (check) {
+        if (EC_KEY_check_key(eckey) == 1) {
+            BIO_printf(bio_err, "EC Key valid.\n");
+        } else {
+            BIO_printf(bio_err, "EC Key Invalid!\n");
+            ERR_print_errors(bio_err);
+        }
+    }
+
     if (noout) {
         ret = 0;
         goto end;
@@ -288,10 +312,4 @@ int ec_main(int argc, char **argv)
     OPENSSL_free(passout);
     return (ret);
 }
-#else                           /* !OPENSSL_NO_EC */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-
 #endif