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
function is unique to the
GNU C Library.
This page is part of release 3.54 of the Linux
A description of the project,
and information about reporting bugs,
can be found at
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Time: 18:17:29 GMT, January 21, 2018