diff options
Diffstat (limited to 'old_code/read_crypt.c')
-rw-r--r-- | old_code/read_crypt.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/old_code/read_crypt.c b/old_code/read_crypt.c deleted file mode 100644 index af3a7c0..0000000 --- a/old_code/read_crypt.c +++ /dev/null @@ -1,43 +0,0 @@ -#include<stdio.h> -#include<stdlib.h> -#include<string.h> - -int main(int argc, char *argv[]) { -//reads a message <4096B and XORs it with key argv[1] in file argv[2] -//message ends with string "@@@" after a white character. -//To retrieve the original message, use onetimebluh.c -FILE * keyfile = fopen(argv[1],"r"); -FILE * crypt = fopen(argv[2],"w"); -char msg[4096]; - -printf("Write a message.\n It will be encrypted in file %s ",argv[2]); -printf("with key %s\n",argv[1]); -printf("When you're done, use the EOF sequence @@@. It must follow a white space!\n"); - -char c_aux; -int i=0,k=0; -//scanf terminates at every white character, must be called by a While -// "i" tells where you are in msg (which is overwritten each time) -// "k" tells where you are in crypt -while(strcmp(msg,"@@@")) - { - scanf("%s",msg); - i=0; - while(msg[i]!='\0') { - fscanf(keyfile,"%c", &c_aux); - fprintf(crypt,"%c",msg[i]^c_aux); - i++; - k++; - } - fscanf(keyfile,"%c",&c_aux); - fprintf(crypt,"%c",' '^c_aux); - k++; - } - -while (k<4096){ -// fills the message with @s - fscanf(keyfile,"%c",&c_aux); - fprintf(crypt,"%c",'@'^c_aux); - k++;} -fclose(crypt); -} |