Simplify bn_print()

We no longer need to do weird things as taking the length of the hex
string and jumping over a sign we didn't need.

ok jsing

diff --git a/lib/libcrypto/bn/bn_print.c b/lib/libcrypto/bn/bn_print.c
index 84b8203..c76d077 100644 (file)
--- a/lib/libcrypto/bn/bn_print.c
+++ b/lib/libcrypto/bn/bn_print.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: bn_print.c,v 1.42 2023/07/07 07:04:24 tb Exp $ */
+/*     $OpenBSD: bn_print.c,v 1.43 2023/07/09 18:35:52 tb Exp $ */
 
 /*
  * Copyright (c) 2023 Theo Buehler <tb@openbsd.org>
@@ -26,6 +26,7 @@
 #include <openssl/bio.h>
 #include <openssl/bn.h>
 
+#include "bn_local.h"
 #include "bytestring.h"
 
 static int
@@ -80,17 +81,14 @@ bn_print_bignum(BIO *bio, const BIGNUM *bn, int indent)
        if (indent < 0)
                indent = 0;
 
-       if ((hex = BN_bn2hex(bn)) == NULL)
+       if (!bn_bn2hex_nosign(bn, &hex, &hex_len))
                goto err;
-       hex_len = strlen(hex);
 
        CBS_init(&cbs, hex, hex_len);
 
        if (BN_is_negative(bn)) {
                if (BIO_printf(bio, " (Negative)") <= 0)
                        goto err;
-               if (!CBS_skip(&cbs, 1))
-                       goto err;
        }
 
        while (CBS_len(&cbs) > 0) {