CompareResult CmpCacheFind(CmpCache_p *cache, Term_p t1, DerefType d1,
Term_p t2, DerefType d2)
{
QuadKey key;
QuadTree_p handle;
CompareResult res = to_unknown;
bool nat_order;
if(TermIsVar(t1)||TermIsVar(t2))
{
return to_unknown;
}
nat_order = prepare_key(t1,d1,t2,d2,&key);
handle = QuadTreeFind(cache, &key);
if(nat_order)
{
if(handle)
{
res = handle->val.i_val;
}
}
else
{
if(handle)
{
res = POInverseRelation(handle->val.i_val);
}
}
return res;
}
void main(void){
char key[26]="ilovexingxing";
int rst=prepare_key(key);
printf("rst=%i, key=%s\n",rst,key );
char message[]="i love xingxing";
encrypt(message,key);
printf("encrypted message : %s\n",message );
decrypt(message,key);
printf("decrypted message : %s\n",message );
}
void main(int argc, char* argv[])
{ struct block key;
FILE *fp1,*fp2;
fp1=fopen(argv[1],"rb");
fp2=fopen(argv[3],"wb");
// Converting the key provided as string into key object.
key=prepare_key(argv[2]);
decrypt_file(fp1,key,fp2);
fclose(fp1);
fclose(fp2);
}
int main(int argc, char *argv[]) {
char keys[27] = "TRAILBLAZERS";
char data[] = "abcdefg";
prepare_key(keys);
puts(keys);
encrypt(data, keys);
puts(data);
decrypt(data, keys);
puts(data);
return 0;
}
static void ffi_open_fn(VMState *state, CallInfo *info) {
VM_ASSERT(info->args_len == 1, "wrong arity: expected 1, got %i", info->args_len);
Object *root = state->root;
Object *string_base = state->shared->vcache.string_base;
Object *array_base = state->shared->vcache.array_base;
Object *ffi = AS_OBJ(OBJECT_LOOKUP(root, ffi));
Object *handle_base = AS_OBJ(OBJECT_LOOKUP(ffi, handle));
StringObject *sarg = (StringObject*) obj_instance_of(OBJ_OR_NULL(load_arg(state->frame, INFO_ARGS_PTR(info)[0])), string_base);
VM_ASSERT(sarg, "argument to ffi.open must be string!");
Object *libmap = AS_OBJ(OBJECT_LOOKUP(ffi, library_map));
char *file = sarg->value;
bool file_found = false;
FastKey file_key = prepare_key(file, strlen(file));
Value mapping = object_lookup_p(libmap, &file_key, &file_found);
const char **file_list_ptr = NULL;
int file_list_len = 0;
if (file_found) {
ArrayObject *aobj = (ArrayObject*) obj_instance_of(OBJ_OR_NULL(mapping), array_base);
StringObject *sobj = (StringObject*) obj_instance_of(OBJ_OR_NULL(mapping), string_base);
if (aobj) {
file_list_len = aobj->length;
file_list_ptr = malloc(sizeof(char*) * file_list_len);
for (int i = 0; i < file_list_len; i++) {
StringObject *file = (StringObject*) obj_instance_of(OBJ_OR_NULL(aobj->ptr[i]), string_base);
VM_ASSERT(file, "library_map sub-entries must be string");
file_list_ptr[i] = my_asprintf("%s", file->value); // outside gc, make copy
}
} else if (sobj) {
file_list_len = 1;
file_list_ptr = malloc(sizeof(char*) * 1);
file_list_ptr[0] = my_asprintf("%s", sobj->value);
} else VM_ASSERT(false, "library_map entries must be string or array");
} else {
file_list_len = 1;
file_list_ptr = malloc(sizeof(char*) * 1);
file_list_ptr[0] = file;
}
void *dlptr = my_dlopen(file_list_len, file_list_ptr);
Object *handle_obj = AS_OBJ(make_object(state, handle_base, false));
handle_obj->flags |= OBJ_FROZEN;
OBJECT_SET(state, handle_obj, pointer, make_ptr(state, dlptr));
vm_return(state, info, OBJ2VAL(handle_obj));
}
CString GetLink(int nIndex)
{
CString str = "";
rc4_key key;
sPassword[16] = (unsigned char)(nIndex * 5);
prepare_key(sPassword, 17, &key);
char *sBuf = (char*)malloc(option.link_length);
memcpy(sBuf, sLinksBuf + nIndex * option.link_length, option.link_length);
rc4((unsigned char *)sBuf, option.link_length, &key);
memset(&key, 0, sizeof(rc4_key ));
str = sBuf;
free(sBuf);
return str;
}
bool
wpa_encr_key_data(eapol_wpa_key_header_t *body, uint16 key_info, uint8 *ekey,
uint8 *gtk, uint8 *data, uint8 *encrkey, rc4_ks_t *rc4key)
{
uint16 len;
switch (key_info & (WPA_KEY_DESC_V1 | WPA_KEY_DESC_V2)) {
case WPA_KEY_DESC_V1:
if (gtk)
len = ntoh16_ua((uint8 *)&body->key_len);
else
len = ntoh16_ua((uint8 *)&body->data_len);
/* create the iv/ptk key */
bcopy(body->iv, encrkey, 16);
bcopy(ekey, &encrkey[16], 16);
/* encrypt the key data */
prepare_key(encrkey, 32, rc4key);
rc4(data, WPA_KEY_DATA_LEN_256, rc4key); /* dump 256 bytes */
rc4(body->data, len, rc4key);
break;
case WPA_KEY_DESC_V2:
case WPA_KEY_DESC_V3:
len = ntoh16_ua((uint8 *)&body->data_len);
/* pad if needed - min. 16 bytes, 8 byte aligned */
/* padding is 0xdd followed by 0's */
if (len < 2*AKW_BLOCK_LEN) {
body->data[len] = WPA2_KEY_DATA_PAD;
bzero(&body->data[len+1], 2*AKW_BLOCK_LEN - (len+1));
len = 2*AKW_BLOCK_LEN;
} else if (len % AKW_BLOCK_LEN) {
body->data[len] = WPA2_KEY_DATA_PAD;
bzero(&body->data[len+1], AKW_BLOCK_LEN - ((len+1) % AKW_BLOCK_LEN));
len += AKW_BLOCK_LEN - (len % AKW_BLOCK_LEN);
}
if (aes_wrap(WPA_MIC_KEY_LEN, ekey, len, body->data, body->data)) {
return FALSE;
}
len += 8;
hton16_ua_store(len, (uint8 *)&body->data_len);
break;
default:
return FALSE;
}
return TRUE;
}
/* Decrypt a key data from a WPA key message */
bool
BCMROMFN(wpa_decr_key_data)(eapol_wpa_key_header_t *body, uint16 key_info, uint8 *ekey,
uint8 *gtk, uint8 *data, uint8 *encrkey, rc4_ks_t *rc4key)
{
uint16 len;
switch (key_info & (WPA_KEY_DESC_V1 | WPA_KEY_DESC_V2)) {
case WPA_KEY_DESC_V1:
bcopy(body->iv, encrkey, WPA_MIC_KEY_LEN);
bcopy(ekey, &encrkey[WPA_MIC_KEY_LEN], WPA_MIC_KEY_LEN);
/* decrypt the key data */
prepare_key(encrkey, WPA_MIC_KEY_LEN*2, rc4key);
rc4(data, WPA_KEY_DATA_LEN_256, rc4key); /* dump 256 bytes */
if (gtk)
len = ntoh16_ua((uint8 *)&body->key_len);
else
len = ntoh16_ua((uint8 *)&body->data_len);
rc4(body->data, len, rc4key);
if (gtk)
bcopy(body->data, gtk, len);
break;
case WPA_KEY_DESC_V2:
case WPA_KEY_DESC_V3:
len = ntoh16_ua((uint8 *)&body->data_len);
if (aes_unwrap(WPA_MIC_KEY_LEN, ekey, len, body->data,
gtk ? gtk : body->data)) {
return FALSE;
}
break;
default:
return FALSE;
}
return TRUE;
}
int
main (int argc, char **argv)
{
Elf32_Phdr * phdr;
Elf32_Ehdr * ehdr;
rc4_key key;
int fd,
i = 0,
off;
char * file = NULL,
* passw = NULL,
pass[256],
* ptr,
* buf;
struct stat st;
if (argc == 2)
file = argv[1];
else
usage(argv[0]);
do {
if (i)
printf("Passphrases don't match.\n");
if ((passw = getpass("Passphrase: ")) == NULL)
fatal("Bad pass");
memcpy(pass, passw, strlen(passw));
if ((passw = getpass("Confirm phrase: ")) == NULL)
fatal("Bad pass");
i = 1;
} while (STRCMP(passw, !=, pass));
memset(pass, 0x00, sizeof(pass));
if ((fd = open(file, O_RDWR, 0)) == -1)
fatal("open host file");
if (fstat(fd, &st) < 0)
fatal("stat host file");
if ((ptr = mmap(NULL, st.st_size, (PROT_READ|PROT_WRITE),
MAP_SHARED, fd, 0)) == (void *)(-1))
fatal("mmap failed");
ehdr = (Elf32_Ehdr *)ptr;
phdr = (Elf32_Phdr *)(ptr + ehdr->e_phoff);
for (i = 0; i < ehdr->e_phnum; i++, phdr++)
if (phdr->p_type == PT_LOAD)
break;
off = ehdr->e_entry - phdr->p_vaddr;
buf = (char *)(ptr + off);
prepare_key(passw, strlen(passw), &key);
rc4(buf, phdr->p_filesz - off, &key);
return 0;
}
bool CmpCacheInsert(CmpCache_p *cache, Term_p t1, DerefType d1, Term_p
t2, DerefType d2, CompareResult insert)
{
QuadKey key;
IntOrP val;
bool nat_order, res;
QuadTree_p handle;
assert(insert!=to_unknown);
/* printf("%p:%d:%p:%d:%d\n", t1,d1,t2,d2,insert); */
if(TermIsVar(t1)||TermIsVar(t2))
{
return false;
}
nat_order = prepare_key(t1,d1,t2,d2,&key);
if(nat_order)
{
val.i_val = insert;
}
else
{
val.i_val = POInverseRelation(insert);
}
handle = QuadTreeFind(cache, &key);
if(handle)
{
switch(handle->val.i_val)
{
case to_notgteq:
/* printf("notgteq=%ld\n", val.i_val); */
if(val.i_val==to_notleeq)
{
handle->val.i_val = to_uncomparable;
}
else
{
assert((val.i_val==to_notgteq)||
(val.i_val==to_lesser)||
(val.i_val==to_uncomparable));
handle->val.i_val = val.i_val;
}
break;
case to_notleeq:
/* printf("notleeq=%ld\n", val.i_val); */
if(val.i_val==to_notgteq)
{
handle->val.i_val = to_uncomparable;
}
else
{
assert((val.i_val==to_notleeq)||
(val.i_val==to_greater)||
(val.i_val==to_uncomparable));
handle->val.i_val = val.i_val;
}
break;
default:
assert((handle->val.i_val==val.i_val)
||((val.i_val==to_notgteq)
&&(handle->val.i_val==to_lesser))
||((val.i_val==to_notleeq)
&&(handle->val.i_val==to_greater)));
break;
}
return false;
}
else
{
res = QuadTreeStore(cache, &key, val);
return res;
}
}
int main(int argc, char* argv[])
{
UCHAR seed[256];
UCHAR line[MAX_LINE+1];
UCHAR plain_text[MAX_TEXT+1];
UCHAR cipher_text[MAX_TEXT+1];
UCHAR comment[MAX_LINE+1];
UCHAR xored_text[MAX_TEXT+1];
int i, num;
ULONG sweep, done = 0, iter;
rc4_key key;
FILE *fp;
char** args = argv;
int acount = argc;
double time_taken;
USHORT plain_text_len, cipher_text_len, text_len;
USHORT cmd_line_project_id, file_check_sum = 0;
USHORT completed_check_sum = 0;
USHORT comment_len = 0;
USHORT segments, start_segment;
UCHAR* tag;
UCHAR* value;
int done_plain_text = 0;
int done_cipher_text = 0;
#if !defined(_MSDOS) && !defined(__OS2__)
struct timeval tv_start,tv_end;
#endif
double keys_sec, run_time, start_time;
int first = 1;
#ifdef __OS2__
APIRET rc;
#endif
big_endian = ((char*)&test_endian)[0];
prog = argv[0];
#ifdef __OS2__
/* set priority class to IDLETIME */
rc = DosSetPriority(PRTYS_PROCESS, PRTYC_IDLETIME, 0, 0);
if (rc != 0)
{
fprintf(stderr, "%s: unable to set priority, rc = %ld\n", prog, rc);
exit(1);
}
#endif /* __OS2__ */
if (argc < 2)
{
usage();
exit(1);
}
if (args[1][0]=='-')
{
switch(args[1][1])
{
case 'q':
verbose = 0; break;
case '\0': /* stdin = '-' */
acount++; args--; /* doesn't count as a flag */
break;
default:
fprintf(stderr,"invalid flag %s\n",args[1]);
usage();
exit(1);
}
args++; acount--;
}
if (acount < 5)
{
usage();
exit(1);
}
if (!strcmp(args[1],"-"))
{
fp = stdin;
}
else
{
fp = fopen(args[1],"rb");
if (!fp)
{
fprintf(stderr,"error cannot open config file %s\n",args[1]);
exit(2);
}
}
num = sscanf(args[2],"%hx",&cmd_line_project_id);
if (num < 1)
{
fprintf(stderr,"error: project-id should be a hexadecimal number\n\n");
usage();
exit(1);
}
if (strlen(args[3]) > 4)
{
fprintf(stderr,"error: start-key should be a 4 digit hexadecimal number\n\n");
usage();
exit(1);
}
i = byte_pack(seed, (UCHAR*) args[3], 2);
if (i != 2)
{
fprintf(stderr,"error: start-key should be a 4 digit hexadecimal number\n\n");
usage();
exit(1);
}
seed[2] = seed[3] = seed[4] = 0;
start_segment = (USHORT)seed[0]*256 + (USHORT)seed[1];
num = sscanf(args[4],"%hu",&segments);
if (num < 1)
{
fprintf(stderr,"error: segments should be a decimal number\n\n");
usage();
exit(1);
}
sweep = (ULONG)segments << 8;
while (!feof(fp))
{
line[0] = '\0';
fgets(line, MAX_LINE, fp);
strip_crlf(line);
strip_comments(line);
file_check_sum = checksum(file_check_sum, line);
parse_line(line,&tag,&value);
if (!tag || !*tag)
{
continue;
}
if (!strcasecmp(tag,"PLAIN-TEXT"))
{
if (done_plain_text)
{
fprintf(stderr,
"config file error: should only have one PLAIN-TEXT field\n");
exit(2);
}
if (strlen(value) & 0x1 != 0)
{
fprintf(stderr,
"config file error: PLAIN-TEXT field must be an even number of hex digits\n");
exit(2);
}
plain_text_len = byte_pack(plain_text, value, MAX_TEXT);
if (plain_text_len == 0)
{
fprintf(stderr,
"config file error: PLAIN-TEXT field must be hex digits\n");
exit(2);
}
done_plain_text = 1;
}
else if (!strcasecmp(tag,"CIPHER-TEXT"))
{
if (done_cipher_text)
{
fprintf(stderr,
"config file error: should only have one CIPHER-TEXT field\n");
exit(2);
}
if (strlen(value) & 0x1 != 0)
{
fprintf(stderr,
"config file error: CIPHER-TEXT field must be an even number of hex digits\n");
exit(2);
}
cipher_text_len = byte_pack(cipher_text, value, MAX_TEXT);
if (cipher_text_len == 0)
{
fprintf(stderr,
"config file error: CIPHER-TEXT field must be hex digits\n");
exit(2);
}
done_cipher_text = 1;
}
else if (!strcasecmp(tag,"COMMENT"))
{
char *rest = strtok(0, "\n"); /* ie to the end of string as there */
if (comment_len != 0) /* won't be a \n due to strip_crlf */
{
fprintf(stderr,
"config file error: should only have one COMMENT field\n");
exit(2);
}
strncpy(comment, value, MAX_LINE);
if (rest)
{
comment_len = strlen(comment);
strncat(comment," ", MAX_LINE - comment_len);
comment_len++;
strncat(comment, rest, MAX_LINE - comment_len);
comment[MAX_LINE] = '\0';
}
comment_len = strlen(comment);
}
else
{
fprintf(stderr,"config file error: unknown tag: %s\n",tag);
exit(2);
}
}
if (!done_plain_text)
{
fprintf(stderr,"config file error: no PLAIN-TEXT field\n");
exit(2);
}
if (!done_cipher_text)
{
fprintf(stderr,"config file error: no CIPHER-TEXT field\n");
exit(2);
}
if (plain_text_len != cipher_text_len)
{
fprintf(stderr,"config file warning: PLAIN-TEXT and CIPHER-TEXT are not the same length\n");
}
text_len = plain_text_len < cipher_text_len ?
plain_text_len : cipher_text_len;
if (cmd_line_project_id != file_check_sum)
{
fprintf(stderr,"error: you have the wrong config file for project %04x (%04x)\n",
cmd_line_project_id, file_check_sum);
exit(1);
}
completed_check_sum = (( (ULONG)file_check_sum + (ULONG)start_segment +
(ULONG)segments ) & 0xFFFFL);
if (verbose)
{
fprintf(stderr,"PROJECT-ID\t%04x\n",file_check_sum);
if (comment_len) fprintf(stderr,"COMMENT \t%s\n",comment);
fprintf(stderr,"START-KEY\t%s\n",print_hex(seed,KEY_SIZE));
fprintf(stderr,"SEGMENTS\t%u (16M keys/segment)\n",segments);
fprintf(stderr,"PLAIN-TEXT\t%s\n",print_hex(plain_text,text_len));
fprintf(stderr,"CIPHER-TEXT\t%s\n",print_hex(cipher_text,text_len));
fprintf(stderr,"TEXT-SIZE\t%d\n",text_len);
fprintf(stderr,"256k keys per '.' printed, 1 segment per line, a segment = 16M keys\n");
fprintf(stderr,"LINES-TO-DO\t%d\n",segments);
}
/* pre-compute plain_text XOR cipher_text */
for (i=0; i<text_len; i++)
{
xored_text[i] = plain_text[i] ^ cipher_text[i];
}
for (done=0; done<sweep; done++)
{
if (verbose)
{
if (first)
{
#if defined(_MSDOS) || defined(__OS2__)
start_time = (double) clock()/CLOCKS_PER_SEC;
#else
gettimeofday(&tv_start,0);
#endif
}
}
for (iter=0; iter < 65536; iter++)
{
prepare_key(seed,KEY_SIZE,&key);
if (rc4_eq(xored_text, text_len, &key))
{
if (verbose)
{
fprintf(stderr,"\nFOUND-IT\t%s\n", print_hex(seed,KEY_SIZE));
instructions();
}
printf("%04x %04x %04x %u %s\n",file_check_sum,completed_check_sum,
start_segment,segments,print_hex(seed,KEY_SIZE));
exit(0);
}
inc_key(seed);
}
if (verbose)
{
if (first)
{
#if defined(_MSDOS) || defined(__OS2__)
time_taken = ((double) clock()/CLOCKS_PER_SEC) - start_time;
#else
gettimeofday(&tv_end,0);
time_taken = (double)(tv_end.tv_sec - tv_start.tv_sec);
time_taken += ((double)(tv_end.tv_usec - tv_start.tv_usec)/1000000.0);
#endif
keys_sec = 65536.0 / time_taken;
fprintf(stderr,"KEYS-PER-SEC\t%0.1lf keys/sec\n",keys_sec);
fprintf(stderr,"EXPECTED-RUNNING-TIME\t");
run_time = sweep * time_taken;
if (run_time < 60)
{
fprintf(stderr,"%0.1lf secs\n",run_time);
}
else if (run_time < 3600)
{
fprintf(stderr,"%0.1lf mins\n",run_time / 60);
}
else
{
fprintf(stderr,"%0.1lf hours\n",run_time / 3600);
if (run_time > 180000)
{
fprintf(stderr,"in days: %0.1lf days\n",run_time / 86400);
}
}
first = 0;
}
if ((done & 255L) == 0)
{
if (done > 0) fprintf(stderr,"]\n");
fprintf(stderr,"%sxxxxxx:[",print_hex(seed,2));
}
if ((done & 3L) == 0)
{
fputc('.',stderr);
}
#ifdef __OS2__
fflush(stderr); /* needed to prevent buffering of stderr */
#endif
}
}
if (verbose)
{
fprintf(stderr,"]\n");
instructions();
}
printf("%04x %04x %04x %u no\n",file_check_sum,completed_check_sum,
start_segment,segments);
return 0;
}
/* Send a EAPOL-Key packet */
void
eapol_key(nas_t *nas, nas_sta_t *sta,
unsigned char *send_key, int send_key_len,
unsigned char *recv_key, int recv_key_len,
unsigned char *key, int key_len, int index, int unicast)
{
struct iovec packet;
eapol_header_t *eapol;
eapol_key_header_t *body;
struct timeval tv;
struct timezone tz;
unsigned short length;
unsigned int replay[2];
unsigned char rc4_seed[48] = { 0 };
rc4_ks_t rc4_key;
/* Allocate packet */
packet.iov_len = EAPOL_HEADER_LEN + EAPOL_KEY_HEADER_LEN;
if (key)
packet.iov_len += key_len;
if (!(packet.iov_base = (caddr_t) malloc(packet.iov_len))) {
perror("malloc");
return;
}
/* Fill EAPOL header */
eapol = (eapol_header_t *) packet.iov_base;
memcpy(&eapol->eth.ether_dhost, &sta->ea, ETHER_ADDR_LEN);
memcpy(&eapol->eth.ether_shost, &nas->ea, ETHER_ADDR_LEN);
if (sta->flags & STA_FLAG_PRE_AUTH)
eapol->eth.ether_type = htons(ETHER_TYPE_802_1X_PREAUTH);
else
eapol->eth.ether_type = htons(ETHER_TYPE_802_1X);
eapol->version = sta->eapol_version;
eapol->type = EAPOL_KEY;
eapol->length = htons(packet.iov_len - EAPOL_HEADER_LEN);
/* Fill EAPOL-Key header */
body = (eapol_key_header_t *) eapol->body;
body->type = EAPOL_RC4_KEY;
/* Length field is unaligned */
length = htons(key_len);
memcpy(&body->length, &length, sizeof(body->length));
/* Replay Counter field is unaligned */
gettimeofday(&tv, &tz);
/*
* keep track timestamp locally in case gettimeofday() does not return
* correct usec value, for example, on vx. It is ok to not adjust
* tv.tv_sec since tv.tv_usec is not going to overflow anyway.
*/
if (tv.tv_usec == sta->rc4keyusec && tv.tv_sec == sta->rc4keysec) {
tv.tv_usec += sta->rc4keycntr;
sta->rc4keycntr ++;
}
else {
sta->rc4keysec = tv.tv_sec;
sta->rc4keyusec = tv.tv_usec;
sta->rc4keycntr = 1;
}
replay[0] = htonl(tv.tv_sec + JAN_1970);
replay[1] = htonl(NTPFRAC(tv.tv_usec));
memcpy(body->replay, replay, sizeof(body->replay));
/* Fill Key IV */
nas_rand128(body->iv);
/* Fill Key Index */
body->index = index;
if (unicast)
body->index |= EAPOL_KEY_UNICAST;
/* Encrypt Key */
if (key) {
memcpy(rc4_seed, body->iv, 16);
memcpy(&rc4_seed[16], recv_key, recv_key_len);
prepare_key(rc4_seed, 16 + recv_key_len, &rc4_key);
memcpy(body->key, key, key_len);
rc4(body->key, key_len, &rc4_key);
}
/* Calculate HMAC-MD5 checksum with null signature */
if (send_key) {
memset(body->signature, 0, 16);
hmac_md5(&eapol->version, packet.iov_len - OFFSETOF(eapol_header_t, version),
send_key, send_key_len, body->signature);
}
if (sta->flags & STA_FLAG_PRE_AUTH)
nas_preauth_send_packet(nas, &packet, 1);
else
nas_eapol_send_packet(nas, &packet, 1);
free(packet.iov_base);
}