C++ (Cpp) _rs_stir_if_needed Examples

Example #1

File: alt_arc4random.c Project: yxdh/pure-ftpd-for-VMWARE-ESXi

static void
_rs_random_buf(void *_buf, size_t n)
{
    unsigned char *buf = (unsigned char *)_buf;
    size_t m;

    _rs_stir_if_needed(n);
    while (n > 0) {
        if (rs_have > 0) {
            if (n < rs_have) {
                m = n;
            } else {
                m = rs_have;
            }
            memcpy(buf, rs_buf + RSBUFSZ - rs_have, m);
            pure_memzero(rs_buf + RSBUFSZ - rs_have, m);
            buf += m;
            n -= m;
            rs_have -= m;
        }
        if (rs_have == 0) {
            _rs_rekey(NULL, 0);
        }
    }
}

Example #2

File: arc4random.c Project: JackieXie168/libbsd

void
arc4random_addrandom(unsigned char *dat, int datlen)
{
	_ARC4_LOCK();
	_rs_stir_if_needed(datlen);
	_rs_rekey(dat, datlen);
	_ARC4_UNLOCK();
}

Example #3

File: alt_arc4random.c Project: yxdh/pure-ftpd-for-VMWARE-ESXi

static inline void
_rs_random_u32(crypto_uint4 *val)
{
    _rs_stir_if_needed(sizeof(*val));
    if (rs_have < sizeof(*val)) {
        _rs_rekey(NULL, 0);
    }
    memcpy(val, rs_buf + RSBUFSZ - rs_have, sizeof(*val));
    pure_memzero(rs_buf + RSBUFSZ - rs_have, sizeof(*val));
    rs_have -= sizeof(*val);
}

Example #4

File: arc4random.c Project: ChatLounge/ChatServices

static inline void
_rs_random_u32(uint32_t *val)
{
	_rs_stir_if_needed(sizeof(*val));
	if (rs_have < sizeof(*val))
		_rs_rekey(NULL, 0);
	memcpy(val, rs_buf + RSBUFSZ - rs_have, sizeof(*val));
	memset(rs_buf + RSBUFSZ - rs_have, 0, sizeof(*val));
	rs_have -= sizeof(*val);
	return;
}

Example #5

File: arc4random.c Project: blep/getdns

static inline void
_rs_random_u32(uint32_t *val)
{
	u_char *keystream;
	_rs_stir_if_needed(sizeof(*val));
	if (rs->rs_have < sizeof(*val))
		_rs_rekey(NULL, 0);
	keystream = rsx->rs_buf + sizeof(rsx->rs_buf) - rs->rs_have;
	memcpy(val, keystream, sizeof(*val));
	memset(keystream, 0, sizeof(*val));
	rs->rs_have -= sizeof(*val);
}

Example #6

File: arc4random.c Project: ChatLounge/ChatServices

static inline void
_rs_random_buf(void *_buf, size_t n)
{
	unsigned char *buf = (unsigned char *)_buf;
	size_t m;

	_rs_stir_if_needed(n);
	while (n > 0) {
		if (rs_have > 0) {
			m = MIN(n, rs_have);
			memcpy(buf, rs_buf + RSBUFSZ - rs_have, m);
			memset(rs_buf + RSBUFSZ - rs_have, 0, m);
			buf += m;
			n -= m;
			rs_have -= m;
		}
		if (rs_have == 0)
			_rs_rekey(NULL, 0);
	}
}

Example #7

File: arc4random.c Project: blep/getdns

static inline void
_rs_random_buf(void *_buf, size_t n)
{
	u_char *buf = (u_char *)_buf;
	u_char *keystream;
	size_t m;

	_rs_stir_if_needed(n);
	while (n > 0) {
		if (rs->rs_have > 0) {
			m = arc4_min(n, rs->rs_have);
			keystream = rsx->rs_buf + sizeof(rsx->rs_buf)
			    - rs->rs_have;
			memcpy(buf, keystream, m);
			memset(keystream, 0, m);
			buf += m;
			n -= m;
			rs->rs_have -= m;
		}
		if (rs->rs_have == 0)
			_rs_rekey(NULL, 0);
	}
}