Linux cli command memfrob

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NAME 🖥️ memfrob 🖥️

frobnicate (obfuscate) a memory area

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <string.h>
void *memfrob(void s[.n], size_t n);

DESCRIPTION

The memfrob() function obfuscates 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 obfuscated 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 obfuscated memory area.

ATTRIBUTES

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

InterfaceAttributeValue

memfrob()

Thread safetyMT-Safe

STANDARDS

GNU.

SEE ALSO

bstring(3), strfry(3)

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