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Bucchino Geoffrey 2022-03-11 11:17:55 +01:00
parent 478f35fe73
commit e58fb770ad
4 changed files with 58 additions and 7 deletions
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main
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10
main.c
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@ -81,19 +81,19 @@ int main(int argc, char *argv[]) {
}while(key < 1 || key > 26);
if(strcmp(hook, "crypt") == 0)
error = cryptCesar(argv[3], key, numberCharacters, buffer);
error = cryptCesar(fileSrc, key, numberCharacters, buffer);
if(strcmp(hook, "decrypt") == 0)
error = decryptCesar(argv[3], key, numberCharacters, buffer);
error = decryptCesar(fileSrc, key, numberCharacters, buffer);
}
else if(strcmp(argv[1], "-v") == 0){
// Get key
char *key = malloc(8);
printf("Your key: ");
scanf("%s", key);
if(strcmp(hook, "crypt") == 0)
error = cryptVigenere(key, argv[3], buffer);
error = cryptVigenere(key, fileSrc, numberCharacters, buffer);
free(key);
}

53
vigenere.c
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@ -1,18 +1,64 @@
#include "vigenere.h"
int cryptVigenere(const char *key, const char *data, char *bufferDst) {
int cryptVigenere(const char *key, const char *fileSrc, const int numberCharacters, char *bufferDst) {
int error = 0;
char matrice[SIZE_MATRICE_VIGENERE][SIZE_MATRICE_VIGENERE];
char *data = malloc(sizeof(char) * numberCharacters);
char *dataVigenere = NULL;
char c = 0;
int pos = 0;
size_t i, j = 0;
size_t keyLength = strlen(key);
// Init the Vigenere matrice
matriceVigenere(matrice);
if (data == NULL) return -1;
memset(data, 0, numberCharacters);
error = copyFile(fileSrc, data);
dataVigenere = malloc(strlen(data));
if (dataVigenere == NULL) return -1;
memset(dataVigenere, 0, numberCharacters);
// Fill the dataVigenere with the key
for (i = 0; i < strlen(data); i++){
if (data[i] == '\n' || data[i] == ' ')
dataVigenere[i] = data[i];
else
dataVigenere[i] = key[j++];
if (j == keyLength)
j = 0;
}
dataVigenere[pos - 1] = '\0';
printf("%s\n", data);
printf("%s\n", dataVigenere);
/*do {
c = data[pos++];
printf("%c", c);
if (c == '\n') {}
}while (c != '\0');*/
/* Encrypt the data */
/*for (i = 0; i < strlen(data); i++) {
printf("%c", matrice[data[i]][dataVigenere[i]]);
}*/
free(dataVigenere);
free(data);
return error;
}
void matriceVigenere(char matrice[][SIZE_MATRICE_VIGENERE]) {
int i, j = 0;
char pos, pos2 = 'A';
//for (i = 0; i < SIZE_MATRICE_VIGENERE; i++)
// matrice[0][i] = 'A' + i;
for (i = 0; i < SIZE_MATRICE_VIGENERE; i++) {
for (j = 0; j < SIZE_MATRICE_VIGENERE; j++) {
if (pos > 'Z')
@ -23,4 +69,9 @@ void matriceVigenere(char matrice[][SIZE_MATRICE_VIGENERE]) {
pos = 'B' + i;
pos2 = 'A';
}
for (i = 0; i < SIZE_MATRICE_VIGENERE; i++) {
for (j = 0; j < SIZE_MATRICE_VIGENERE; j++)
printf("%c ", matrice[i][j]);
printf("f\n");
}
}

2
vigenere.h
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@ -4,7 +4,7 @@
#include "functions.h"
#define SIZE_MATRICE_VIGENERE 26
int cryptVigenere(const char *key, const char *data, char *bufferDst);
int cryptVigenere(const char *key, const char *fileSrc, const int numberCharacters, char *bufferDst);
void matriceVigenere(char matrice[][SIZE_MATRICE_VIGENERE]);
#endif