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Code Issues Releases Wiki Activity

Update crypt modul

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This commit is contained in:
PolynomialDivision 2017-08-14 17:25:46 +02:00
parent 57209931db
commit 88ca87c654
3 changed files with 13 additions and 10 deletions
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8
src/crypto/crypto.c
View file

@ -38,7 +38,7 @@ void gcrypt_set_key_and_iv(char *key, char *iv)
0);
if (gcry_error_handle)
{
printf("gcry_cipher_open failed: %s/%s\n",
fprintf(stderr, "gcry_cipher_open failed: %s/%s\n",
gcry_strsource(gcry_error_handle),
gcry_strerror(gcry_error_handle));
return;
@ -47,7 +47,7 @@ void gcrypt_set_key_and_iv(char *key, char *iv)
gcry_error_handle = gcry_cipher_setkey(gcry_cipher_hd, key, keylen);
if (gcry_error_handle)
{
printf("gcry_cipher_setkey failed: %s/%s\n",
fprintf(stderr, "gcry_cipher_setkey failed: %s/%s\n",
gcry_strsource(gcry_error_handle),
gcry_strerror(gcry_error_handle));
return;
@ -56,7 +56,7 @@ void gcrypt_set_key_and_iv(char *key, char *iv)
gcry_error_handle = gcry_cipher_setiv(gcry_cipher_hd, iv, blklen);
if (gcry_error_handle)
{
printf("gcry_cipher_setiv failed: %s/%s\n",
fprintf(stderr, "gcry_cipher_setiv failed: %s/%s\n",
gcry_strsource(gcry_error_handle),
gcry_strerror(gcry_error_handle));
return;
@ -77,7 +77,6 @@ char* gcrypt_encrypt_msg(char* msg, size_t msg_length)
msg_length, // size_t
msg, // const void *
msg_length); // size_t
printf("Message encrypted: %s : %s size: %d\n", msg, out, msg_length);
if (gcry_error_handle)
{
printf("gcry_cipher_encrypt failed: %s/%s\n",
@ -106,6 +105,7 @@ char* gcrypt_decrypt_msg(char* msg, size_t msg_length)
printf("gcry_cipher_encrypt failed: %s/%s\n",
gcry_strsource(gcry_error_handle),
gcry_strerror(gcry_error_handle));
free(out_buffer);
return NULL;
}
char* out = malloc(strlen(out_buffer) + 1);

7
src/main.c
View file

@ -63,13 +63,16 @@ int main(int argc, char **argv) {
* ----
*/
char msg[] = "Hallo Lotta!!!!! :D";
char msg[] = "{\"bssid\":\"a4:2b:b0:de:f1:fd\",\"freq\":5180,\"ht_supported\":true,\"vht_supported\":true,\"clients\":{\"78:02:f8:bc:ac:0b\":{\"auth\":true,\"assoc\":true,\"authorized\":true,\"preauth\":false,\"wds\":false,\"wmm\":true,\"ht\":true,\"vht\":true,\"wps\":false,\"mfp\":false,\"aid\":1}}}";
gcrypt_init();
gcrypt_set_key_and_iv(shared_key, iv);
printf("Encrypting msg: %s\n", msg);
char* enc = gcrypt_encrypt_msg(msg, strlen(msg) + 1);
printf("Decrypting msg: %s\n", enc);
char* dec = gcrypt_decrypt_msg(enc, strlen(enc));
printf("Sizeof: %d, Strlen: %d, Acutal: %d\n", sizeof(enc) * sizeof(char), strlen(enc), strlen(msg) + 1);
char* dec = gcrypt_decrypt_msg(enc, strlen(msg) + 1);//sizeof(enc));
printf("Message decrypted: %s\n", dec);
free(enc);
free(dec);

8
src/network/networksocket.c
View file

@ -17,7 +17,7 @@
#include "crypto.h"
/* Network Defines */
#define MAX_RECV_STRING 500
#define MAX_RECV_STRING 5000
#define NET_CONFIG_PATH "/etc/wlancontroller/networkconfig.conf"
/* Network Attributes */
@ -71,7 +71,7 @@ void *receive_msg(void *args) {
}
recv_string[recv_string_len] = '\0';
//printf("[WC] Network-Received: %s\n", recv_string);
printf("[WC] Network-Received: %s\n", recv_string);
probe_entry prob_req;
struct blob_buf b;
@ -138,7 +138,7 @@ void *receive_msg_enc(void *args) {
}
recv_string[recv_string_len] = '\0';
char* dec = gcrypt_decrypt_msg(recv_string, strlen(recv_string));
char* dec = gcrypt_decrypt_msg(recv_string, recv_string_len);
printf("[WC] Network-Received: %s\n", dec);
@ -203,7 +203,7 @@ int send_string_enc(char *msg) {
if (sendto(sock,
enc,
strlen(enc),
msglen + 1, // very important to use actual length of string because of '\0' in encrypted msg
0,
(struct sockaddr *) &addr,
sizeof(addr)) < 0) {