1 files changed, 14 insertions, 29 deletions

diff --git a/src/regress/lib/libcrypto/bn/bn_mod_exp.c b/src/regress/lib/libcrypto/bn/bn_mod_exp.c
index 804cdd26d4..3ba8dcf2df 100644
--- a/src/regress/lib/libcrypto/bn/bn_mod_exp.c
+++ b/src/regress/lib/libcrypto/bn/bn_mod_exp.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: bn_mod_exp.c,v 1.32 2023/03/29 07:38:16 tb Exp $ */
+/*      $OpenBSD: bn_mod_exp.c,v 1.33 2023/03/29 07:46:40 tb Exp $ */
 
 /*
  * Copyright (c) 2022,2023 Theo Buehler <tb@openbsd.org>
@@ -286,8 +286,8 @@ generate_test_triple(int reduce, BIGNUM *a, BIGNUM *p, BIGNUM *m, BN_CTX *ctx)
 }
 
 static void
-dump_exp_results(const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
-    const BIGNUM *want, const BIGNUM *got, const char *name)
+dump_results(const BIGNUM *a, const BIGNUM *p, const BIGNUM *b, const BIGNUM *q,
+    const BIGNUM *m, const BIGNUM *want, const BIGNUM *got, const char *name)
 {
         printf("BN_mod_exp_simple() and %s() disagree", name);
 
@@ -300,8 +300,17 @@ dump_exp_results(const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
         BN_print_fp(stdout, a);
         printf("\np: ");
         BN_print_fp(stdout, p);
+
+        if (b != NULL) {
+                printf("\nb: ");
+                BN_print_fp(stdout, b);
+                printf("\nq: ");
+                BN_print_fp(stdout, q);
+        }
+
         printf("\nm: ");
         BN_print_fp(stdout, m);
+
         printf("\n\n");
 }
 
@@ -327,7 +336,7 @@ test_mod_exp(const BIGNUM *want, const BIGNUM *a, const BIGNUM *p,
                 errx(1, "%s() failed", test->name);
 
         if (BN_cmp(want, got) != 0) {
-                dump_exp_results(a, p, m, want, got, test->name);
+                dump_results(a, p, NULL, NULL, m, want, got, test->name);
                 goto err;
         }
 
@@ -405,30 +414,6 @@ test_bn_mod_exp(void)
         return failed;
 }
 
-static void
-dump_exp2_results(const BIGNUM *a, const BIGNUM *p, const BIGNUM *b,
-    const BIGNUM *q, const BIGNUM *m, const BIGNUM *want, const BIGNUM *got)
-{
-        printf("BN_mod_exp_simple() and BN_mod_exp2_mont() disagree");
-
-        printf("\nwant: ");
-        BN_print_fp(stdout, want);
-        printf("\ngot:  ");
-        BN_print_fp(stdout, got);
-
-        printf("\na: ");
-        BN_print_fp(stdout, a);
-        printf("\np: ");
-        BN_print_fp(stdout, p);
-        printf("\nb: ");
-        BN_print_fp(stdout, b);
-        printf("\nq: ");
-        BN_print_fp(stdout, q);
-        printf("\nm: ");
-        BN_print_fp(stdout, m);
-        printf("\n\n");
-}
-
 static int
 bn_mod_exp2_simple(BIGNUM *out, const BIGNUM *a, const BIGNUM *p,
     const BIGNUM *b, const BIGNUM *q, const BIGNUM *m, BN_CTX *ctx)
@@ -481,7 +466,7 @@ bn_mod_exp2_test(int reduce, BIGNUM *want, BIGNUM *got, BIGNUM *a, BIGNUM *p,
                         errx(1, "BN_mod_exp2_mont");
 
                 if (BN_cmp(want, got) != 0) {
-                        dump_exp2_results(a, p, b, q, m, want, got);
+                        dump_results(a, p, b, q, m, want, got, "BN_mod_exp2_mont");
                         failed |= 1;
                 }
         }