int main (int argc, char *argv[])
{
unsigned int block_size, ecb_mode;
unsigned char *decoded_string;
// Block size detection
block_size = aes_detect_block_size( (aes_detect_block_size_encrypt) &encrypt);
printf("Block size used : %d \n", block_size );
// ECB mode detection
ecb_mode = aes_ecb_detection_oracle( (aes_encrypt) &encrypt, block_size );
printf("ECB Encryption mode : %s \n", ecb_mode ? "Yes" : "No" );
// init resulting text buffer
size_t secret_padded_len = get_secret_len();
if (secret_padded_len % block_size)
secret_padded_len += block_size - (secret_padded_len % block_size);
decoded_string = malloc(sizeof(unsigned char)*(secret_padded_len + 1));
if (NULL == decoded_string)
return 0x00;
plain = malloc(sizeof(unsigned char)*secret_padded_len);
if (NULL == plain)
return 0x00;
memset(plain, 0 , sizeof(unsigned char)*secret_padded_len);
memset(decoded_string, 0, sizeof(unsigned char)*(secret_padded_len + 1));
// Decryption
unsigned int block_idx;
for (block_idx = 0; block_idx*block_size < get_secret_len(); block_idx++)
detect_block(decoded_string, block_idx, block_size);
printf("Decoded String : %s \n", decoded_string );
free(decoded_string);
free(plain);
return 0x00;
}
static void scan_journal(FILE *out, journal_superblock_t *jsb, char *buf,
int len, uint64_t *blocknum, uint64_t *last_unknown)
{
char *block;
char *p;
enum dump_block_type type;
journal_header_t *header;
p = buf;
while (len) {
block = p;
header = (journal_header_t *)block;
if (header->h_magic == ntohl(JBD2_MAGIC_NUMBER)) {
if (*last_unknown) {
dump_jbd_unknown(out, *last_unknown, *blocknum);
*last_unknown = 0;
}
dump_jbd_block(out, jsb, header, *blocknum);
} else {
type = detect_block(block);
if (type == DUMP_BLOCK_UNKNOWN) {
if (*last_unknown == 0)
*last_unknown = *blocknum;
} else {
if (*last_unknown) {
dump_jbd_unknown(out, *last_unknown,
*blocknum);
*last_unknown = 0;
}
dump_jbd_metadata(out, type, block, *blocknum);
}
}
(*blocknum)++;
p += gbls.fs->fs_blocksize;
len -= gbls.fs->fs_blocksize;
}
return;
}
