memfrob man page on Kali

memfrob man page on Kali

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MEMFROB(3)		   Linux Programmer's Manual		    MEMFROB(3)

NAME
       memfrob - frobnicate (encrypt) a memory area

SYNOPSIS
       #define _GNU_SOURCE	       /* See feature_test_macros(7) */
       #include <string.h>

       void *memfrob(void *s, size_t n);

DESCRIPTION
       The  memfrob() function encrypts the first n bytes of the memory area s
       by exclusive-ORing each character with the number 42.  The  effect  can
       be reversed by using memfrob() on the 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.

RETURN VALUE
       The memfrob() function returns a pointer to the encrypted memory area.

ATTRIBUTES
       For  an	explanation  of	 the  terms  used   in	 this	section,   see
       attributes(7).

       ┌──────────┬───────────────┬─────────┐
       │Interface │ Attribute	  │ Value   │
       ├──────────┼───────────────┼─────────┤
       │memfrob() │ Thread safety │ MT-Safe │
       └──────────┴───────────────┴─────────┘
CONFORMING TO
       The memfrob() function is unique to the GNU C Library.

SEE ALSO
       bstring(3), strfry(3)

COLOPHON
       This  page  is  part of release 4.14 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest	  version     of     this    page,    can    be	   found    at
       https://www.kernel.org/doc/man-pages/.

GNU				  2017-03-13			    MEMFROB(3)

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