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writing the rsa keys out

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This commit is contained in:
Václav Šmejkal 2024-02-23 11:47:33 +01:00
parent 6ede019547
commit 4397122aaf
Signed by: ENGO150
GPG Key ID: 4A57E86482968843
1 changed files with 23 additions and 1 deletions
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24
src/chat/crypto.c
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@ -20,6 +20,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/random.h>
@ -87,8 +88,29 @@ void why2_chat_generate_keys(void)
//COUNT d
mpz_invert(d, e, phi_n);
//KEY DEALLOCATION
printf("Writing keys...\n");
//ALLOCATE THE KEY PATHS
char *public_path = why2_malloc(strlen(path) + strlen(WHY2_CHAT_PUB_KEY) + 3);
char *private_path = why2_malloc(strlen(path) + strlen(WHY2_CHAT_PRI_KEY) + 3);
//GET THE ACTUAL KEY PATHS
sprintf(public_path, "%s/%s%c", path, WHY2_CHAT_PUB_KEY, '\0');
sprintf(private_path, "%s/%s%c", path, WHY2_CHAT_PRI_KEY, '\0');
//WRITE THE KEYS INTO KEY-FILES
FILE *public = fopen(public_path, "w+");
FILE *private = fopen(private_path, "w+");
mpz_out_str(public, 16, n);
mpz_out_str(private, 16, d);
//KEYGEN DEALLOCATION
mpz_clears(p, q, e, d, n, phi_n, buffer_1, buffer_2, NULL);
why2_deallocate(public_path);
why2_deallocate(private_path);
fclose(public);
fclose(private);
}
//DEALLOCATION