Module: wine Branch: master Commit: 5118eb3ab5e3ba063e55472f4bacdce9311a273d URL: https://source.winehq.org/git/wine.git/?a=commit;h=5118eb3ab5e3ba063e55472f4...
Author: Andrew Wesie awesie@gmail.com Date: Thu Mar 22 11:33:40 2018 +0100
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
---
dlls/bcrypt/bcrypt_main.c | 2 +- dlls/bcrypt/tests/bcrypt.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/dlls/bcrypt/bcrypt_main.c b/dlls/bcrypt/bcrypt_main.c index b21dc1f..e05e94c 100644 --- a/dlls/bcrypt/bcrypt_main.c +++ b/dlls/bcrypt/bcrypt_main.c @@ -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 ))) diff --git a/dlls/bcrypt/tests/bcrypt.c b/dlls/bcrypt/tests/bcrypt.c index 0bd91af..d38e581 100644 --- a/dlls/bcrypt/tests/bcrypt.c +++ b/dlls/bcrypt/tests/bcrypt.c @@ -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));