n_crypto.c File Reference

vigenere encode decode function More...

#include "nilorea/n_common.h"
#include "nilorea/n_base64.h"
#include "nilorea/n_crypto.h"
#include "nilorea/n_thread_pool.h"
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <sys/sysinfo.h>

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Data Structures
struct	CYPHER_PARAM
	structure of a n_vigenere_cypher_thread param More...

Functions
N_STR *	n_get_cpu_id ()
	get the CPU id More...
N_STR *	n_get_current_dir_hd_serial ()
	get the serial of the current running dir hosting disk More...
N_STR *	n_vigenere_cypher (N_STR *input, N_STR *key, bool encipher, bool in_place)
	encode or decode input using vigenere cypher More...
void *	n_vigenere_cypher_thread (void *ptr)
	encode or decode threaded func using params from ptr More...
N_STR *	n_vigenere_decode (N_STR *string, N_STR *key)
	decode input using vigenere cypher and key More...
int	n_vigenere_decode_file (N_STR *in, N_STR *out, N_STR *key)
	directly vigenere decode a file using key More...
int	n_vigenere_decode_file_qa (N_STR *in, N_STR *out, N_STR *question, N_STR *answer)
	directly vigenere decode a file using question and answer More...
N_STR *	n_vigenere_decode_in_place (N_STR *string, N_STR *key)
	decode input using vigenere cypher and key More...
N_STR *	n_vigenere_decode_qa (N_STR *input_data, N_STR *question, N_STR *answer)
	directly vigenere decode a file using key More...
N_STR *	n_vigenere_encode (N_STR *string, N_STR *key)
	encode input using vigenere cypher and key More...
int	n_vigenere_encode_file (N_STR *in, N_STR *out, N_STR *key)
	directly vigenere encode a file using key More...
int	n_vigenere_encode_file_qa (N_STR *in, N_STR *out, N_STR *question, N_STR *answer)
	directly vigenere encode a file using question and answer More...
N_STR *	n_vigenere_encode_in_place (N_STR *string, N_STR *key)
	encode string in place using vigenere cypher and key More...
N_STR *	n_vigenere_encode_qa (N_STR *input_data, N_STR *question, N_STR *answer)
	directly vigenere encode a file using key More...
N_STR *	n_vigenere_get_answer (N_STR *root_key, N_STR *question)
	get an answer from a root key and a question More...
N_STR *	n_vigenere_get_question (size_t question_size)
	get a question generated from the current machine hardware (disk&cpu) More...
N_STR *	n_vigenere_get_rootkey (size_t rootkey_size)
	get a rootkey randomly generated More...
N_STR *	n_vigenere_quick_decode (N_STR *encoded_data)
	quick decode data More...
N_STR *	n_vigenere_quick_encode (N_STR *decoded_data)
	quick encode data More...

Variables
static char *	__internal_root_key = "ENOFGLUCUNZJADRDMCZZSACRBKXAGSLTTFCICPALKHMWWGLVUIFYSLQJIHHXSHOZGRABFNBHGVTOMEBTVIPXZJHHEKIYWNVTWQKERROCTXFGMMLYUJSJFWLFCHQQMMUM"
	static internal root key, just to obfuscate text so we do not care if is is public More...

Detailed Description

vigenere encode decode function

Author

Castagnier Mickael

Version

1.0

Date

10/11/2022

Definition in file n_crypto.c.

---

Data Structure Documentation

CYPHER_PARAM

struct CYPHER_PARAM

structure of a n_vigenere_cypher_thread param

Definition at line 232 of file n_crypto.c.

Collaboration diagram for CYPHER_PARAM:

Data Fields
N_STR *	dest	destination
bool	encipher	1 encoding, 0 decoding
size_t	end_pos	output starting point
N_STR *	input	input data
N_STR *	key	encoding/decoding key
size_t	start_pos	input starting point

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

Definition at line 9 of file n_crypto.c.

_GNU_SOURCE_WAS_NOT_DEFINED

#define _GNU_SOURCE_WAS_NOT_DEFINED

Definition at line 10 of file n_crypto.c.

Function Documentation

n_get_cpu_id()

N_STR * n_get_cpu_id

(

)

get the CPU id

Returns

a N_STR *cpuid

Definition at line 139 of file n_crypto.c.

References char_to_nstr(), and nstrprintf.

Referenced by n_vigenere_get_question().

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n_get_current_dir_hd_serial()

N_STR * n_get_current_dir_hd_serial

(

)

get the serial of the current running dir hosting disk

Returns

a N_STR *serial which contain actual running path disk id

Definition at line 72 of file n_crypto.c.

References _nstr, _str, Free, free_nstr, LOG_ERR, n_log, n_popen(), and nstrprintf.

Referenced by n_vigenere_get_question().

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n_vigenere_cypher()

N_STR * n_vigenere_cypher	(	N_STR *	input,
		N_STR *	key,
		bool	encipher,
		bool	in_place
	)

encode or decode input using vigenere cypher

Parameters

input	source to encode/decode
key	key to use for the encoding/decoding
encipher	bool, set to 1 => encode, 0 => decode
in_place	bool, set to 1 => use input as output string , 0 return a new encoded copy

Returns

a N_STR *encoded or *decoded string

Definition at line 317 of file n_crypto.c.

References __n_assert, _nstr, add_threaded_process(), destroy_threaded_pool(), DIRECT_PROC, LOG_ERR, Malloc, n_log, n_vigenere_cypher_thread(), new_thread_pool(), nstrdup(), refresh_thread_pool(), and wait_for_threaded_pool().

Referenced by n_vigenere_decode(), n_vigenere_decode_in_place(), n_vigenere_encode(), and n_vigenere_encode_in_place().

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n_vigenere_cypher_thread()

void * n_vigenere_cypher_thread

(

void *

ptr

)

encode or decode threaded func using params from ptr

Parameters

ptr	a CYPHER_PARAM *param struc

Returns

NULL

Definition at line 254 of file n_crypto.c.

References __n_assert, Free, n_islower(), n_isupper(), n_mathmod, n_tolower(), and n_toupper().

Referenced by n_vigenere_cypher().

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n_vigenere_decode_in_place()

N_STR * n_vigenere_decode_in_place	(	N_STR *	string,
		N_STR *	key
	)

decode input using vigenere cypher and key

Parameters

string	source to decode
key	key to use for the encoding/decoding

Returns

a N_STR *decoded

Definition at line 489 of file n_crypto.c.

References n_vigenere_cypher().

Referenced by n_vigenere_decode_file(), n_vigenere_decode_qa(), and n_vigenere_encode_qa().

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n_vigenere_encode_in_place()

N_STR * n_vigenere_encode_in_place	(	N_STR *	string,
		N_STR *	key
	)

encode string in place using vigenere cypher and key

Parameters

string	source to encode
key	key to use for the encoding/decoding

Returns

A pointer to string or an error

Definition at line 476 of file n_crypto.c.

References n_vigenere_cypher().

Referenced by n_vigenere_encode_file(), n_vigenere_encode_qa(), and n_vigenere_quick_encode().

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Variable Documentation

__internal_root_key

char* __internal_root_key = "ENOFGLUCUNZJADRDMCZZSACRBKXAGSLTTFCICPALKHMWWGLVUIFYSLQJIHHXSHOZGRABFNBHGVTOMEBTVIPXZJHHEKIYWNVTWQKERROCTXFGMMLYUJSJFWLFCHQQMMUM"

static

static internal root key, just to obfuscate text so we do not care if is is public

Definition at line 42 of file n_crypto.c.

Referenced by n_vigenere_quick_decode(), and n_vigenere_quick_encode().