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bcrypt: Fix BCryptEncrypt with AES_GCM and no input and no output. 

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Andrew Wesie 2018-03-22 11:33:40 +01:00 committed by Alexandre Julliard
parent aabc55c491
commit 5118eb3ab5
2 changed files with 19 additions and 1 deletions
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2
dlls/bcrypt/bcrypt_main.c
View File

@ -1440,7 +1440,7 @@ NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG inp
*ret_len = input_len;
if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
if (!output) return STATUS_SUCCESS;
if (input && !output) return STATUS_SUCCESS;
if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
if (auth_info->pbAuthData && (status = key_set_auth_data( key, auth_info->pbAuthData, auth_info->cbAuthData )))

18
dlls/bcrypt/tests/bcrypt.c
View File

@ -647,6 +647,9 @@ static void test_BCryptEncrypt(void)
{0x9a,0x92,0x32,0x2c,0x61,0x2a,0xae,0xef,0x66,0x2a,0xfb,0x55,0xe9,0x48,0xdf,0xbd};
static UCHAR expected_tag3[] =
{0x17,0x9d,0xc0,0x7a,0xf0,0xcf,0xaa,0xd5,0x1c,0x11,0xc4,0x4b,0xd6,0xa3,0x3e,0x77};
static UCHAR expected_tag4[] =
{0x4c,0x42,0x83,0x9e,0x8d,0x40,0xf1,0x19,0xd6,0x2b,0x1c,0x66,0x03,0x2b,0x39,0x63};
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO auth_info;
UCHAR *buf, ciphertext[48], ivbuf[16], tag[16];
BCRYPT_AUTH_TAG_LENGTHS_STRUCT tag_length;
@ -842,6 +845,21 @@ static void test_BCryptEncrypt(void)
for (i = 0; i < 16; i++)
ok(tag[i] == expected_tag3[i], "%u: %02x != %02x\n", i, tag[i], expected_tag3[i]);
memset(tag, 0xff, sizeof(tag));
ret = pBCryptEncrypt(key, data2, 0, &auth_info, ivbuf, 16, NULL, 0, &size, 0);
ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
ok(!size, "got %u\n", size);
for (i = 0; i < 16; i++)
ok(tag[i] == 0xff, "%u: %02x != %02x\n", i, tag[i], 0xff);
memset(tag, 0xff, sizeof(tag));
ret = pBCryptEncrypt(key, NULL, 0, &auth_info, ivbuf, 16, NULL, 0, &size, 0);
ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
ok(!size, "got %u\n", size);
ok(!memcmp(tag, expected_tag4, sizeof(expected_tag4)), "wrong tag\n");
for (i = 0; i < 16; i++)
ok(tag[i] == expected_tag4[i], "%u: %02x != %02x\n", i, tag[i], expected_tag4[i]);
/* test with padding */
memcpy(ivbuf, iv, sizeof(iv));
memset(ciphertext, 0, sizeof(ciphertext));