C++ (Cpp) rand_addrandom示例

示例#1

文件： rand.c 项目： 0x00evil/nmap

rand_t *
rand_open(void)
{
	rand_t *r;
	u_char seed[256];
#ifdef _WIN32
	HCRYPTPROV hcrypt = 0;

	CryptAcquireContext(&hcrypt, NULL, NULL, PROV_RSA_FULL,
	    CRYPT_VERIFYCONTEXT);
	CryptGenRandom(hcrypt, sizeof(seed), seed);
	CryptReleaseContext(hcrypt, 0);
#else
	struct timeval *tv = (struct timeval *)seed;
	int fd;

	if ((fd = open("/dev/arandom", O_RDONLY)) != -1 ||
	    (fd = open("/dev/urandom", O_RDONLY)) != -1) {
		read(fd, seed + sizeof(*tv), sizeof(seed) - sizeof(*tv));
		close(fd);
	}
	gettimeofday(tv, NULL);
#endif
	if ((r = malloc(sizeof(*r))) != NULL) {
		rand_init(r);
		rand_addrandom(r, seed, 128);
		rand_addrandom(r, seed + 128, 128);
		r->tmp = NULL;
		r->tmplen = 0;
	}
	return (r);
}

示例#2

文件： rand.c 项目： 0x00evil/nmap

int
rand_set(rand_t *r, const void *buf, size_t len)
{
	rand_init(r);
	rand_addrandom(r, (u_char *)buf, len);
	rand_addrandom(r, (u_char *)buf, len);
	return (0);
}

示例#3

文件： rand.c 项目： magnusjjj/android_kernel_huawei_rle

int rand_set(rand_t *r, const void *buf, size_t len)
{
    int i;
    for (i = 0; i < 256; i++)
	   	r->s[i] = i;
	r->i = r->j = 0;

	//rand_init(r);
	rand_addrandom(r, (u_char *)buf, (int)len);
	rand_addrandom(r, (u_char *)buf, (int)len);
	return (0);
}

示例#4

文件： rand.c 项目： magnusjjj/android_kernel_huawei_rle

rand_t * rand_open(void)
{
    int i;
	rand_t *r;
	u_char seed[256];
#if (VOS_WIN32 == VOS_OS_VER)
	HCRYPTPROV hcrypt = 0;

	CryptAcquireContext(&hcrypt, NULL, NULL, PROV_RSA_FULL,
	    CRYPT_VERIFYCONTEXT);
	CryptGenRandom(hcrypt, sizeof(seed), seed);
	CryptReleaseContext(hcrypt, 0);
#elif ((VOS_VXWORKS == VOS_OS_VER)||(VOS_RTOSCK == VOS_OS_VER))
    for (i = 0; i < 256; i++)
    {
        seed[i] = VOS_Rand(0xff);
    }
#else
	struct timeval *tv = (struct timeval *)seed;
	int fd;

	if ((fd = open("/dev/arandom", O_RDONLY)) != -1 ||
	    (fd = open("/dev/urandom", O_RDONLY)) != -1) {
		read(fd, seed + sizeof(*tv), sizeof(seed) - sizeof(*tv));
		close(fd);
	}
	gettimeofday(tv, NULL);
#endif
	if ((r = malloc(sizeof(*r))) != NULL) {

        for (i = 0; i < 256; i++)
	       	r->s[i] = i;
	    r->i = r->j = 0;

		rand_addrandom(r, seed, 128);
		rand_addrandom(r, seed + 128, 128);
		r->tmp = NULL;
		r->tmplen = 0;
	}
	return (r);
}

示例#5

文件： rand.c 项目： rofehr/uboot-amlogic

static int rand_add(rand_t *r, const void *buf, size_t len)
{
	rand_addrandom(r, (u_char *)buf, len);
	return (0);
}