static void
update_nodeid(vccontext_t* context, result_t* result)
{
char buf[NODEID_LEN * 2];
size_t readsize;
if (!context->options->show_revision) return;
readsize = read_file(".hg/dirstate", buf, NODEID_LEN * 2);
if (readsize == NODEID_LEN * 2) {
char destbuf[1024] = {'\0'};
char* p = destbuf;
debug("read nodeids from .hg/dirstate");
// first parent
if (sum_bytes((unsigned char *) buf, NODEID_LEN)) {
p += put_nodeid(p, buf);
}
// second parent
if (sum_bytes((unsigned char *) buf + NODEID_LEN, NODEID_LEN)) {
*p = ','; ++p;
p += put_nodeid(p, buf + NODEID_LEN);
}
result_set_revision(result, destbuf, -1);
}
else {
debug("failed to read from .hg/dirstate");
}
}
static void non_task_dispatching(struct hle_t* hle)
{
const unsigned int sum = sum_bytes(hle->imem, 44);
if (sum == 0x9e2)
{
/* CIC x105 ucode (used during boot of CIC x105 games) */
cicx105_ucode(hle);
return;
}
HleWarnMessage(hle->user_defined, "unknown RSP code: sum: %x PC:%x", sum, *hle->sp_pc);
}
void CHle::non_task_dispatching(void)
{
const unsigned int sum = sum_bytes(m_imem, 44);
if (sum == 0x9e2)
{
/* CIC x105 ucode (used during boot of CIC x105 games) */
cicx105_ucode(this);
return;
}
WarnMessage("unknown RSP code: sum: %x PC:%x", sum, *m_sp_pc);
#ifdef ENABLE_TASK_DUMP
dump_unknown_non_task(hle, sum);
#endif
}
int encrypt_file(const char *file, struct lfsr *l_17, struct lfsr *l_25, const char *outfile, int *dMode, unsigned char initialization_vector)
{
//File Manipulation
FILE *inFile = fopen(file, "rb");
if(inFile == NULL){
fprintf(stderr, "Error Opening File For Reading <%s>\n", file);
return -1;
}
FILE *oFile = fopen(outfile, "wb+");
if(oFile == NULL){
fprintf(stderr, "Error Opening File For Writing <%s>\n", outfile);
fclose(inFile);
return -2;
}
long lSize;
unsigned char *buffer = NULL;
size_t result;
fseek (inFile , 0 , SEEK_END);
lSize = ftell (inFile);
rewind (inFile);
buffer = (unsigned char*) malloc( sizeof(unsigned char) * lSize);
if (buffer == NULL) {
fprintf(stderr, "Memory Error While Reading File <%s>\n", file);
return -3;
}
result = fread (buffer, sizeof(unsigned char), lSize, inFile);
if (result != lSize) {
fprintf(stderr, "Error reading File into Memory <%s>\n", file);
return -4;
}
//Encryption
BIT byte_17[8], byte_25[8];
BIT carry = ZERO;
BIT sumArray[8] = {ZERO, ZERO, ZERO, ZERO,ZERO, ZERO, ZERO, ZERO};
int i;
unsigned char temp_keystream,
temp_plaintext,
temp_ciphertext;
/* MODES OF OPERATION:
ECB: mode = 0
CBC: 1
OFB: 2
CFB: 3
*/
MODE _mode = *dMode;
for(i=0; i<lSize; i++){
get_next_byte(l_17, byte_17);
get_next_byte(l_25, byte_25);
sum_bytes(byte_17, byte_25, carry, sumArray, &carry);
bit_array_to_unsigned_char(sumArray, &temp_keystream);
memcpy(&temp_plaintext, buffer+i, sizeof(unsigned char));
switch (_mode) {
case ECB:
temp_ciphertext = temp_keystream ^ temp_plaintext;
break;
case CBC:
temp_plaintext ^= initialization_vector;
temp_ciphertext = temp_keystream ^ temp_plaintext;
initialization_vector = temp_ciphertext;
break;
case OFB:
temp_ciphertext = temp_keystream ^ initialization_vector;
initialization_vector = temp_ciphertext;
temp_ciphertext ^= temp_plaintext;
break;
case CFB:
temp_ciphertext = temp_keystream ^ initialization_vector;
temp_ciphertext ^= temp_plaintext;
initialization_vector = temp_ciphertext;
break;
}
//Output the ciphertext to the File
if(fwrite (&temp_ciphertext , sizeof(unsigned char), 1, oFile) < 1){
fprintf(stderr, "Error Writing (%c) at index.(%d) to Output File <%s>, Aborting.\n", temp_ciphertext, i, outfile);
return -5;
}
}
fclose(inFile);
fclose(oFile);
return 0;
}
