PR: 2115

[openssl.git] / apps / apps.c

diff --git a/apps/apps.c b/apps/apps.c
index 5a5d1d3c453cbd2525588ed7e1a9088ae441673b..35b62b8b096e17898b01877de3988624f3a8ccf0 100644 (file)
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -2261,6 +2261,8 @@ int args_verify(char ***pargs, int *pargc,
                flags |= X509_V_FLAG_X509_STRICT;
        else if (!strcmp(arg, "-policy_print"))
                flags |= X509_V_FLAG_NOTIFY_POLICY;
+       else if (!strcmp(arg, "-check_ss_sig"))
+               flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
        else
                return 0;
 
@@ -2428,7 +2430,7 @@ static void readbn(BIGNUM **bn, BIO *bconn)
        int l;
 
        l = BIO_gets(bconn, buf, sizeof buf);
-       assert(l >= 0);
+       assert(l > 0);
        assert(buf[l-1] == '\n');
        buf[l-1] = '\0';
        BN_hex2bn(bn, buf);
@@ -2521,7 +2523,14 @@ void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
        jpake_send_step3a(bconn, ctx);
        jpake_receive_step3b(ctx, bconn);
 
-       BIO_puts(out, "JPAKE authentication succeeded\n");
+       /*
+        * The problem is that you must use the derived key in the
+        * session key or you are subject to man-in-the-middle
+        * attacks.
+        */
+       BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can"
+                " be MitMed. See the version in HEAD for how to do it"
+                " properly)\n");
 
        BIO_pop(bconn);
        BIO_free(bconn);
@@ -2546,7 +2555,14 @@ void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
        jpake_receive_step3a(ctx, bconn);
        jpake_send_step3b(bconn, ctx);
 
-       BIO_puts(out, "JPAKE authentication succeeded\n");
+       /*
+        * The problem is that you must use the derived key in the
+        * session key or you are subject to man-in-the-middle
+        * attacks.
+        */
+       BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can"
+                " be MitMed. See the version in HEAD for how to do it"
+                " properly)\n");
 
        BIO_pop(bconn);
        BIO_free(bconn);