Section: Linux Programmer's Manual (3)
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memfrob - frobnicate (encrypt) a memory area
#define _GNU_SOURCE /* See feature_test_macros(7) */
void *memfrob(void *s, size_t n);
function encrypts the first n
bytes of the
memory area s
by exclusive-ORing each character with the number
The effect can be reversed by using
encrypted memory area.
Note that this function is not a proper encryption routine as the XOR
constant is fixed, and is suitable only for hiding strings.
function returns a pointer to the encrypted memory
Multithreading (see pthreads(7))
function is thread-safe.
function is unique to the
GNU C Library.
This page is part of release 3.74 of the Linux
A description of the project,
information about reporting bugs,
and the latest version of this page,
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- RETURN VALUE
- Multithreading (see pthreads(7))
- CONFORMING TO
- SEE ALSO