/*
 * Unit test for bcrypt functions
 *
 * Copyright 2014 Bruno Jesus
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdio.h>
#include <ntstatus.h>
#define WIN32_NO_STATUS
#include <windows.h>
#include <bcrypt.h>

#include "wine/test.h"

static void test_BCryptGenRandom(void)
{
    NTSTATUS ret;
    UCHAR buffer[256];

    ret = BCryptGenRandom(NULL, NULL, 0, 0);
    ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
    ret = BCryptGenRandom(NULL, buffer, 0, 0);
    ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
    ret = BCryptGenRandom(NULL, buffer, sizeof(buffer), 0);
    ok(ret == STATUS_INVALID_HANDLE, "Expected STATUS_INVALID_HANDLE, got 0x%x\n", ret);
    ret = BCryptGenRandom(NULL, buffer, sizeof(buffer), BCRYPT_USE_SYSTEM_PREFERRED_RNG);
    ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
    ret = BCryptGenRandom(NULL, buffer, sizeof(buffer),
          BCRYPT_USE_SYSTEM_PREFERRED_RNG|BCRYPT_RNG_USE_ENTROPY_IN_BUFFER);
    ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
    ret = BCryptGenRandom(NULL, NULL, sizeof(buffer), BCRYPT_USE_SYSTEM_PREFERRED_RNG);
    ok(ret == STATUS_INVALID_PARAMETER, "Expected STATUS_INVALID_PARAMETER, got 0x%x\n", ret);

    /* Zero sized buffer should work too */
    ret = BCryptGenRandom(NULL, buffer, 0, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
    ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);

    /* Test random number generation - It's impossible for a sane RNG to return 8 zeros */
    memset(buffer, 0, 16);
    ret = BCryptGenRandom(NULL, buffer, 8, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
    ok(ret == STATUS_SUCCESS, "Expected success, got 0x%x\n", ret);
    ok(memcmp(buffer, buffer + 8, 8), "Expected a random number, got 0\n");
}

static void test_BCryptGetFipsAlgorithmMode(void)
{
    NTSTATUS ret;
    BOOLEAN enabled;

    ret = BCryptGetFipsAlgorithmMode(&enabled);
    ok(ret == STATUS_SUCCESS, "Expected STATUS_SUCCESS, got 0x%x\n", ret);

    ret = BCryptGetFipsAlgorithmMode(NULL);
    ok(ret == STATUS_INVALID_PARAMETER, "Expected STATUS_INVALID_PARAMETER, got 0x%x\n", ret);
}

static void format_hash(const UCHAR *bytes, ULONG size, char *buf)
{
    ULONG i;
    buf[0] = '\0';
    for (i = 0; i < size; i++)
    {
        sprintf(buf + i * 2, "%02x", bytes[i]);
    }
    return;
}

static int strcmp_wa(const WCHAR *strw, const char *stra)
{
    WCHAR buf[512];
    MultiByteToWideChar(CP_ACP, 0, stra, -1, buf, sizeof(buf)/sizeof(buf[0]));
    return lstrcmpW(strw, buf);
}

#define test_hash_length(a,b) _test_hash_length(__LINE__,a,b)
static void _test_hash_length(unsigned line, void *handle, ULONG exlen)
{
    ULONG len = 0xdeadbeef, size = 0xdeadbeef;
    NTSTATUS status;

    status = BCryptGetProperty(handle, BCRYPT_HASH_LENGTH, (UCHAR *)&len, sizeof(len), &size, 0);
    ok_(__FILE__,line)(status == STATUS_SUCCESS, "BCryptGetProperty failed: %08x\n", status);
    ok_(__FILE__,line)(size == sizeof(len), "got %u\n", size);
    ok_(__FILE__,line)(len == exlen, "len = %u, expected %u\n", len, exlen);
}

#define test_alg_name(a,b) _test_alg_name(__LINE__,a,b)
static void _test_alg_name(unsigned line, void *handle, const char *exname)
{
    ULONG size = 0xdeadbeef;
    UCHAR buf[256];
    const WCHAR *name = (const WCHAR*)buf;
    NTSTATUS status;

    status = BCryptGetProperty(handle, BCRYPT_ALGORITHM_NAME, buf, sizeof(buf), &size, 0);
    ok_(__FILE__,line)(status == STATUS_SUCCESS, "BCryptGetProperty failed: %08x\n", status);
    ok_(__FILE__,line)(size == (strlen(exname)+1)*sizeof(WCHAR), "got %u\n", size);
    ok_(__FILE__,line)(!strcmp_wa(name, exname), "alg name = %s, expected %s\n", wine_dbgstr_w(name), exname);
}

static void test_sha1(void)
{
    static const char expected[] = "961fa64958818f767707072755d7018dcd278e94";
    BCRYPT_ALG_HANDLE alg;
    BCRYPT_HASH_HANDLE hash;
    UCHAR buf[512], sha1[20];
    ULONG size, len;
    char str[41];
    NTSTATUS ret;

    alg = NULL;
    ret = BCryptOpenAlgorithmProvider(&alg, BCRYPT_SHA1_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(alg != NULL, "alg not set\n");

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(NULL, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_HANDLE, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, NULL, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), NULL, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, NULL, sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, 0, &size, 0);
    ok(ret == STATUS_BUFFER_TOO_SMALL, "got %08x\n", ret);
    ok(len == 0xdeadbeef, "got %u\n", len);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len , sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(len != 0xdeadbeef, "len not set\n");
    ok(size == sizeof(len), "got %u\n", size);

    test_hash_length(alg, 20);
    test_alg_name(alg, "SHA1");

    hash = NULL;
    len = sizeof(buf);
    ret = BCryptCreateHash(alg, &hash, buf, len, NULL, 0, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(hash != NULL, "hash not set\n");

    ret = BCryptHashData(hash, (UCHAR *)"test", sizeof("test"), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    test_hash_length(hash, 20);
    test_alg_name(hash, "SHA1");

    memset(sha1, 0, sizeof(sha1));
    ret = BCryptFinishHash(hash, sha1, sizeof(sha1), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    format_hash( sha1, sizeof(sha1), str );
    ok(!strcmp(str, expected), "got %s\n", str);

    ret = BCryptDestroyHash(hash);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    ret = BCryptCloseAlgorithmProvider(alg, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
}

static void test_sha256(void)
{
    static const char expected[] =
        "ceb73749c899693706ede1e30c9929b3fd5dd926163831c2fb8bd41e6efb1126";
    BCRYPT_ALG_HANDLE alg;
    BCRYPT_HASH_HANDLE hash;
    UCHAR buf[512], sha256[32];
    ULONG size, len;
    char str[65];
    NTSTATUS ret;

    alg = NULL;
    ret = BCryptOpenAlgorithmProvider(&alg, BCRYPT_SHA256_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(alg != NULL, "alg not set\n");

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(NULL, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_HANDLE, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, NULL, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), NULL, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, NULL, sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, 0, &size, 0);
    ok(ret == STATUS_BUFFER_TOO_SMALL, "got %08x\n", ret);
    ok(len == 0xdeadbeef, "got %u\n", len);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len , sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(len != 0xdeadbeef, "len not set\n");
    ok(size == sizeof(len), "got %u\n", size);

    test_hash_length(alg, 32);
    test_alg_name(alg, "SHA256");

    hash = NULL;
    len = sizeof(buf);
    ret = BCryptCreateHash(alg, &hash, buf, len, NULL, 0, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(hash != NULL, "hash not set\n");

    ret = BCryptHashData(hash, (UCHAR *)"test", sizeof("test"), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    test_hash_length(hash, 32);
    test_alg_name(hash, "SHA256");

    memset(sha256, 0, sizeof(sha256));
    ret = BCryptFinishHash(hash, sha256, sizeof(sha256), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    format_hash( sha256, sizeof(sha256), str );
    ok(!strcmp(str, expected), "got %s\n", str);

    ret = BCryptDestroyHash(hash);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    ret = BCryptCloseAlgorithmProvider(alg, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
}

static void test_sha384(void)
{
    static const char expected[] =
        "62b21e90c9022b101671ba1f808f8631a8149f0f12904055839a35c1ca78ae5363eed1e743a692d70e0504b0cfd12ef9";
    BCRYPT_ALG_HANDLE alg;
    BCRYPT_HASH_HANDLE hash;
    UCHAR buf[512], sha384[48];
    ULONG size, len;
    char str[97];
    NTSTATUS ret;

    alg = NULL;
    ret = BCryptOpenAlgorithmProvider(&alg, BCRYPT_SHA384_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(alg != NULL, "alg not set\n");

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(NULL, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_HANDLE, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, NULL, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), NULL, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, NULL, sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, 0, &size, 0);
    ok(ret == STATUS_BUFFER_TOO_SMALL, "got %08x\n", ret);
    ok(len == 0xdeadbeef, "got %u\n", len);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len , sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(len != 0xdeadbeef, "len not set\n");
    ok(size == sizeof(len), "got %u\n", size);

    test_hash_length(alg, 48);
    test_alg_name(alg, "SHA384");

    hash = NULL;
    len = sizeof(buf);
    ret = BCryptCreateHash(alg, &hash, buf, len, NULL, 0, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(hash != NULL, "hash not set\n");

    ret = BCryptHashData(hash, (UCHAR *)"test", sizeof("test"), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    test_hash_length(hash, 48);
    test_alg_name(hash, "SHA384");

    memset(sha384, 0, sizeof(sha384));
    ret = BCryptFinishHash(hash, sha384, sizeof(sha384), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    format_hash( sha384, sizeof(sha384), str );
    ok(!strcmp(str, expected), "got %s\n", str);

    ret = BCryptDestroyHash(hash);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    ret = BCryptCloseAlgorithmProvider(alg, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
}

static void test_sha512(void)
{
    static const char expected[] =
        "d55ced17163bf5386f2cd9ff21d6fd7fe576a915065c24744d09cfae4ec84ee1e"
        "f6ef11bfbc5acce3639bab725b50a1fe2c204f8c820d6d7db0df0ecbc49c5ca";
    BCRYPT_ALG_HANDLE alg;
    BCRYPT_HASH_HANDLE hash;
    UCHAR buf[512], sha512[64];
    ULONG size, len;
    char str[129];
    NTSTATUS ret;

    alg = NULL;
    ret = BCryptOpenAlgorithmProvider(&alg, BCRYPT_SHA512_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(alg != NULL, "alg not set\n");

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(NULL, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_HANDLE, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, NULL, (UCHAR *)&len, sizeof(len), &size, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, sizeof(len), NULL, 0);
    ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, NULL, sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len, 0, &size, 0);
    ok(ret == STATUS_BUFFER_TOO_SMALL, "got %08x\n", ret);
    ok(len == 0xdeadbeef, "got %u\n", len);
    ok(size == sizeof(len), "got %u\n", size);

    len = size = 0xdeadbeef;
    ret = BCryptGetProperty(alg, BCRYPT_OBJECT_LENGTH, (UCHAR *)&len , sizeof(len), &size, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(len != 0xdeadbeef, "len not set\n");
    ok(size == sizeof(len), "got %u\n", size);

    test_hash_length(alg, 64);
    test_alg_name(alg, "SHA512");

    hash = NULL;
    len = sizeof(buf);
    ret = BCryptCreateHash(alg, &hash, buf, len, NULL, 0, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    ok(hash != NULL, "hash not set\n");

    ret = BCryptHashData(hash, (UCHAR *)"test", sizeof("test"), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    test_hash_length(hash, 64);
    test_alg_name(hash, "SHA512");

    memset(sha512, 0, sizeof(sha512));
    ret = BCryptFinishHash(hash, sha512, sizeof(sha512), 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
    format_hash( sha512, sizeof(sha512), str );
    ok(!strcmp(str, expected), "got %s\n", str);

    ret = BCryptDestroyHash(hash);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);

    ret = BCryptCloseAlgorithmProvider(alg, 0);
    ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
}

START_TEST(bcrypt)
{
    test_BCryptGenRandom();
    test_BCryptGetFipsAlgorithmMode();
    test_sha1();
    test_sha256();
    test_sha384();
    test_sha512();
}