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-rw-r--r--crypto/bn/bntest.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/crypto/bn/bntest.c b/crypto/bn/bntest.c
index 1e35988022bb..a327b1a647b2 100644
--- a/crypto/bn/bntest.c
+++ b/crypto/bn/bntest.c
@@ -514,7 +514,7 @@ static void print_word(BIO *bp, BN_ULONG w)
int test_div_word(BIO *bp)
{
BIGNUM a, b;
- BN_ULONG r, s;
+ BN_ULONG r, rmod, s;
int i;
BN_init(&a);
@@ -528,8 +528,14 @@ int test_div_word(BIO *bp)
s = b.d[0];
BN_copy(&b, &a);
+ rmod = BN_mod_word(&b, s);
r = BN_div_word(&b, s);
+ if (rmod != r) {
+ fprintf(stderr, "Mod (word) test failed!\n");
+ return 0;
+ }
+
if (bp != NULL) {
if (!results) {
BN_print(bp, &a);