1 files changed, 48 insertions, 5 deletions

diff --git a/deps/openssl/openssl/apps/pkey.c b/deps/openssl/openssl/apps/pkey.c
index 5c13d8b87a..0dd5590bdc 100644
--- a/deps/openssl/openssl/apps/pkey.c
+++ b/deps/openssl/openssl/apps/pkey.c
@@ -10,6 +10,7 @@
 #include <stdio.h>
 #include <string.h>
 #include "apps.h"
+#include "progs.h"
 #include <openssl/pem.h>
 #include <openssl/err.h>
 #include <openssl/evp.h>
@@ -18,10 +19,10 @@ typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
     OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
     OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
-    OPT_TEXT, OPT_NOOUT, OPT_MD, OPT_TRADITIONAL
+    OPT_TEXT, OPT_NOOUT, OPT_MD, OPT_TRADITIONAL, OPT_CHECK, OPT_PUB_CHECK
 } OPTION_CHOICE;
 
-OPTIONS pkey_options[] = {
+const OPTIONS pkey_options[] = {
     {"help", OPT_HELP, '-', "Display this summary"},
     {"inform", OPT_INFORM, 'f', "Input format (DER or PEM)"},
     {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
@@ -41,6 +42,8 @@ OPTIONS pkey_options[] = {
 #ifndef OPENSSL_NO_ENGINE
     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 #endif
+    {"check", OPT_CHECK, '-', "Check key consistency"},
+    {"pubcheck", OPT_PUB_CHECK, '-', "Check public key consistency"},
     {NULL}
 };
 
@@ -55,7 +58,7 @@ int pkey_main(int argc, char **argv)
     OPTION_CHOICE o;
     int informat = FORMAT_PEM, outformat = FORMAT_PEM;
     int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0, ret = 1;
-    int private = 0, traditional = 0;
+    int private = 0, traditional = 0, check = 0, pub_check = 0;
 
     prog = opt_init(argc, argv, pkey_options);
     while ((o = opt_next()) != OPT_EOF) {
@@ -110,6 +113,12 @@ int pkey_main(int argc, char **argv)
         case OPT_TRADITIONAL:
             traditional = 1;
             break;
+        case OPT_CHECK:
+            check = 1;
+            break;
+        case OPT_PUB_CHECK:
+            pub_check = 1;
+            break;
         case OPT_MD:
             if (!opt_cipher(opt_unknown(), &cipher))
                 goto opthelp;
@@ -136,9 +145,44 @@ int pkey_main(int argc, char **argv)
         pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
     else
         pkey = load_key(infile, informat, 1, passin, e, "key");
-    if (!pkey)
+    if (pkey == NULL)
         goto end;
 
+    if (check || pub_check) {
+        int r;
+        EVP_PKEY_CTX *ctx;
+
+        ctx = EVP_PKEY_CTX_new(pkey, e);
+        if (ctx == NULL) {
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+
+        if (check)
+            r = EVP_PKEY_check(ctx);
+        else
+            r = EVP_PKEY_public_check(ctx);
+
+        if (r == 1) {
+            BIO_printf(out, "Key is valid\n");
+        } else {
+            /*
+             * Note: at least for RSA keys if this function returns
+             * -1, there will be no error reasons.
+             */
+            unsigned long err;
+
+            BIO_printf(out, "Key is invalid\n");
+
+            while ((err = ERR_peek_error()) != 0) {
+                BIO_printf(out, "Detailed error: %s\n",
+                           ERR_reason_error_string(err));
+                ERR_get_error(); /* remove err from error stack */
+            }
+        }
+        EVP_PKEY_CTX_free(ctx);
+    }
+
     if (!noout) {
         if (outformat == FORMAT_PEM) {
             if (pubout) {
@@ -170,7 +214,6 @@ int pkey_main(int argc, char **argv)
             BIO_printf(bio_err, "Bad format specified for key\n");
             goto end;
         }
-
     }
 
     if (text) {