3 files changed, 12 insertions, 0 deletions

diff --git a/src/microhttpd/test_md5.c b/src/microhttpd/test_md5.c
index 1b3041e7..61e61e9d 100644
--- a/src/microhttpd/test_md5.c
+++ b/src/microhttpd/test_md5.c
@@ -335,9 +335,12 @@ test2_str (void)
     size_t part_s = data_units1[i].str_l.len / 4;
 
     MHD_MD5_init (&ctx);
+    MHD_MD5_update (&ctx, (const uint8_t *) "", 0);
     MHD_MD5_update (&ctx, (const uint8_t *) data_units1[i].str_l.str, part_s);
+    MHD_MD5_update (&ctx, (const uint8_t *) "", 0);
     MHD_MD5_update (&ctx, (const uint8_t *) data_units1[i].str_l.str + part_s,
                     data_units1[i].str_l.len - part_s);
+    MHD_MD5_update (&ctx, (const uint8_t *) "", 0);
     MHD_MD5_finish (&ctx, digest);
     num_failed += check_result (__FUNCTION__, i, digest,
                                 data_units1[i].digest);
@@ -360,6 +363,7 @@ test2_bin (void)
 
     MHD_MD5_init (&ctx);
     MHD_MD5_update (&ctx, data_units2[i].bin_l.bin, part_s);
+    MHD_MD5_update (&ctx, (const uint8_t *) "", 0);
     MHD_MD5_update (&ctx, data_units2[i].bin_l.bin + part_s,
                     data_units2[i].bin_l.len - part_s);
     MHD_MD5_finish (&ctx, digest);
diff --git a/src/microhttpd/test_sha256.c b/src/microhttpd/test_sha256.c
index 74061cfb..599f425f 100644
--- a/src/microhttpd/test_sha256.c
+++ b/src/microhttpd/test_sha256.c
@@ -382,11 +382,14 @@ test2_str (void)
     size_t part_s = data_units1[i].str_l.len / 4;
 
     MHD_SHA256_init (&ctx);
+    MHD_SHA256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA256_update (&ctx, (const uint8_t *) data_units1[i].str_l.str,
                        part_s);
+    MHD_SHA256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA256_update (&ctx, (const uint8_t *) data_units1[i].str_l.str
                        + part_s,
                        data_units1[i].str_l.len - part_s);
+    MHD_SHA256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA256_finish (&ctx, digest);
     num_failed += check_result (__FUNCTION__, i, digest,
                                 data_units1[i].digest);
@@ -409,6 +412,7 @@ test2_bin (void)
 
     MHD_SHA256_init (&ctx);
     MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin, part_s);
+    MHD_SHA256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin + part_s,
                        data_units2[i].bin_l.len - part_s);
     MHD_SHA256_finish (&ctx, digest);
diff --git a/src/microhttpd/test_sha512_256.c b/src/microhttpd/test_sha512_256.c
index 85c3a0ee..1de90c3e 100644
--- a/src/microhttpd/test_sha512_256.c
+++ b/src/microhttpd/test_sha512_256.c
@@ -489,11 +489,14 @@ test2_str (void)
     size_t part_s = data_units1[i].str_l.len / 4;
 
     MHD_SHA512_256_init (&ctx);
+    MHD_SHA512_256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA512_256_update (&ctx, (const uint8_t *) data_units1[i].str_l.str,
                            part_s);
+    MHD_SHA512_256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA512_256_update (&ctx, (const uint8_t *) data_units1[i].str_l.str
                            + part_s,
                            data_units1[i].str_l.len - part_s);
+    MHD_SHA512_256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA512_256_finish (&ctx, digest);
     num_failed += check_result (__FUNCTION__, i, digest,
                                 data_units1[i].digest);
@@ -516,6 +519,7 @@ test2_bin (void)
 
     MHD_SHA512_256_init (&ctx);
     MHD_SHA512_256_update (&ctx, data_units2[i].bin_l.bin, part_s);
+    MHD_SHA512_256_update (&ctx, (const uint8_t *) "", 0);
     MHD_SHA512_256_update (&ctx, data_units2[i].bin_l.bin + part_s,
                            data_units2[i].bin_l.len - part_s);
     MHD_SHA512_256_finish (&ctx, digest);