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Added saving and loading of keys by default

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This commit is contained in:
Maxim Biro 2013-07-22 15:16:01 -04:00
parent b368a6b4b8
commit 164d92e2dd
1 changed files with 33 additions and 1 deletions
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34
other/DHT_bootstrap.c
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@ -35,9 +35,41 @@ unsigned char * hex_string_to_bin(char hex_string[])
return val; return val;
} }
void manage_keys()
{
const uint32_t KEYS_SIZE = crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES;
uint8_t keys[KEYS_SIZE];
FILE *keys_file = fopen("key", "r");
if (keys_file != NULL) {
//if file was opened successfully -- load keys
size_t read_size = fread(keys, sizeof(uint8_t), KEYS_SIZE, keys_file);
if (read_size != KEYS_SIZE) {
printf("Error while reading the key file\nExiting.\n");
exit(1);
} else {
printf("Keys loaded successfully\n");
}
load_keys(keys);
} else {
//otherwise save new keys
new_keys();
save_keys(keys);
keys_file = fopen("key", "w");
if (fwrite(keys, sizeof(uint8_t), KEYS_SIZE, keys_file) != KEYS_SIZE) {
printf("Error while writing the key file.\nExiting.\n");
exit(1);
} else {
printf("Keys saved successfully\n");
}
}
fclose(keys_file);
}
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
new_keys(); manage_keys();
printf("Public key: "); printf("Public key: ");
uint32_t i; uint32_t i;
for(i = 0; i < 32; i++) for(i = 0; i < 32; i++)