bcrypt: Return error when requesting BCRYPT_HASH_LENGTH for unsupported object.

Signed-off-by: Sebastian Lackner <sebastian@fds-team.de> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

bcrypt: Return error when requesting BCRYPT_HASH_LENGTH for unsupported object.
eecb068a · Sebastian Lackner · Alexandre Julliard · ced491c6 · eecb068a · eecb068a
Commit eecb068a authored Mar 10, 2017 by Sebastian Lackner Committed by Alexandre Julliard Mar 10, 2017
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bcrypt_main.c dlls/bcrypt/bcrypt_main.c +2 -0

bcrypt.c dlls/bcrypt/tests/bcrypt.c +4 -0

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--- a/dlls/bcrypt/bcrypt_main.c
+++ b/dlls/bcrypt/bcrypt_main.c
@@ -404,6 +404,8 @@ static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *

    if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
    {
+        if (!alg_props[id].hash_length)
+            return STATUS_NOT_SUPPORTED;
        *ret_size = sizeof(ULONG);
        if (size < sizeof(ULONG))
            return STATUS_BUFFER_TOO_SMALL;

--- a/dlls/bcrypt/tests/bcrypt.c
+++ b/dlls/bcrypt/tests/bcrypt.c
@@ -763,6 +763,10 @@ static void test_rng(void)
    ret = pBCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_NOT_SUPPORTED, "got %08x\n", ret);

+    len = size = 0xdeadbeef;
+    ret = pBCryptGetProperty(alg, BCRYPT_HASH_LENGTH, (UCHAR *)&len, sizeof(len), &size, 0);
+    ok(ret == STATUS_NOT_SUPPORTED, "got %08x\n", ret);
+
    test_alg_name(alg, "RNG");

    memset(buf, 0, 16);