+ CommandReceived((char *)luaL_checkstring(L, 1));
+ return 0;
+}
+
+static int l_iso15693_crc(lua_State *L)
+{
+ // uint16_t Iso15693Crc(uint8_t *v, int n);
+ size_t size;
+ const char *v = luaL_checklstring(L, 1, &size);
+ uint16_t retval = Iso15693Crc((uint8_t *) v, size);
+ lua_pushinteger(L, (int) retval);
+ return 1;
+}
+
+static int l_iso14443b_crc(lua_State *L)
+{
+ /* void ComputeCrc14443(int CrcType,
+ const unsigned char *Data, int Length,
+ unsigned char *TransmitFirst,
+ unsigned char *TransmitSecond)
+ */
+ unsigned char buf[USB_CMD_DATA_SIZE];
+ size_t len = 0;
+ const char *data = luaL_checklstring(L, 1, &len);
+ if (USB_CMD_DATA_SIZE < len)
+ len = USB_CMD_DATA_SIZE-2;
+
+ for (int i = 0; i < len; i += 2) {
+ sscanf(&data[i], "%02x", (unsigned int *)&buf[i / 2]);
+ }
+ ComputeCrc14443(CRC_14443_B, buf, len, &buf[len], &buf[len+1]);
+
+ lua_pushlstring(L, (const char *)&buf, len+2);
+ return 1;
+}
+/*
+ Simple AES 128 cbc hook up to OpenSSL.
+ params: key, input
+*/
+static int l_aes128decrypt_cbc(lua_State *L)
+{
+ //Check number of arguments
+ int i;
+ size_t size;
+ const char *p_key = luaL_checklstring(L, 1, &size);
+ if(size != 32) return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+
+ const char *p_encTxt = luaL_checklstring(L, 2, &size);
+
+ unsigned char indata[16] = {0x00};
+ unsigned char outdata[16] = {0x00};
+ unsigned char aes_key[16] = {0x00};
+ unsigned char iv[16] = {0x00};
+
+ // convert key to bytearray and convert input to bytearray
+ for (i = 0; i < 32; i += 2) {
+ sscanf(&p_encTxt[i], "%02x", (unsigned int *)&indata[i / 2]);
+ sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
+ }
+
+ aes_context ctx;
+ aes_init(&ctx);
+ aes_setkey_dec(&ctx, aes_key, 128);
+ aes_crypt_cbc(&ctx,AES_DECRYPT,sizeof(indata), iv, indata,outdata );
+ //Push decrypted array as a string
+ lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+ return 1;// return 1 to signal one return value
+}
+static int l_aes128decrypt_ecb(lua_State *L)
+{
+ //Check number of arguments
+ int i;
+ size_t size;
+ const char *p_key = luaL_checklstring(L, 1, &size);
+ if(size != 32) return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+
+ const char *p_encTxt = luaL_checklstring(L, 2, &size);
+
+ unsigned char indata[16] = {0x00};
+ unsigned char outdata[16] = {0x00};
+ unsigned char aes_key[16] = {0x00};
+
+ // convert key to bytearray and convert input to bytearray
+ for (i = 0; i < 32; i += 2) {
+ sscanf(&p_encTxt[i], "%02x", (unsigned int *)&indata[i / 2]);
+ sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
+ }
+ aes_context ctx;
+ aes_init(&ctx);
+ aes_setkey_dec(&ctx, aes_key, 128);
+ aes_crypt_ecb(&ctx, AES_DECRYPT, indata, outdata );
+
+ //Push decrypted array as a string
+ lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+ return 1;// return 1 to signal one return value
+}
+
+static int l_aes128encrypt_cbc(lua_State *L)
+{
+ //Check number of arguments
+ int i;
+ size_t size;
+ const char *p_key = luaL_checklstring(L, 1, &size);
+ if(size != 32) return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+
+ const char *p_txt = luaL_checklstring(L, 2, &size);
+
+ unsigned char indata[16] = {0x00};
+ unsigned char outdata[16] = {0x00};
+ unsigned char aes_key[16] = {0x00};
+ unsigned char iv[16] = {0x00};
+
+ for (i = 0; i < 32; i += 2) {
+ sscanf(&p_txt[i], "%02x", (unsigned int *)&indata[i / 2]);
+ sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
+ }
+
+ aes_context ctx;
+ aes_init(&ctx);
+ aes_setkey_enc(&ctx, aes_key, 128);
+ aes_crypt_cbc(&ctx, AES_ENCRYPT, sizeof(indata), iv, indata, outdata );
+ //Push encrypted array as a string
+ lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+ return 1;// return 1 to signal one return value
+}
+
+static int l_aes128encrypt_ecb(lua_State *L)
+{
+ //Check number of arguments
+ int i;
+ size_t size;
+ const char *p_key = luaL_checklstring(L, 1, &size);
+ if(size != 32) return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+
+ const char *p_txt = luaL_checklstring(L, 2, &size);
+
+ unsigned char indata[16] = {0x00};
+ unsigned char outdata[16] = {0x00};
+ unsigned char aes_key[16] = {0x00};
+
+ for (i = 0; i < 32; i += 2) {
+ sscanf(&p_txt[i], "%02x", (unsigned int *)&indata[i / 2]);
+ sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
+ }
+ aes_context ctx;
+ aes_init(&ctx);
+ aes_setkey_enc(&ctx, aes_key, 128);
+ aes_crypt_ecb(&ctx, AES_ENCRYPT, indata, outdata );
+ //Push encrypted array as a string
+ lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+ return 1;// return 1 to signal one return value
+}
+
+static int l_crc16(lua_State *L)
+{
+ size_t size;
+ const char *p_str = luaL_checklstring(L, 1, &size);
+
+ uint16_t retval = crc16_ccitt( (uint8_t*) p_str, size);
+ lua_pushinteger(L, (int) retval);
+ return 1;
+}
+
+static int l_crc64(lua_State *L)
+{
+ size_t size;
+ uint64_t crc = 0;
+ unsigned char outdata[8] = {0x00};
+
+ const char *p_str = luaL_checklstring(L, 1, &size);
+
+ crc64( (uint8_t*) p_str, size, &crc);
+
+ outdata[0] = (uint8_t)(crc >> 56) & 0xff;
+ outdata[1] = (uint8_t)(crc >> 48) & 0xff;
+ outdata[2] = (uint8_t)(crc >> 40) & 0xff;
+ outdata[3] = (uint8_t)(crc >> 32) & 0xff;
+ outdata[4] = (uint8_t)(crc >> 24) & 0xff;
+ outdata[5] = (uint8_t)(crc >> 16) & 0xff;
+ outdata[6] = (uint8_t)(crc >> 8) & 0xff;
+ outdata[7] = crc & 0xff;
+ lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+ return 1;
+}
+
+static int l_sha1(lua_State *L)
+{
+ size_t size;
+ const char *p_str = luaL_checklstring(L, 1, &size);
+ unsigned char outdata[20] = {0x00};
+ sha1( (uint8_t*) p_str, size, outdata);
+ lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+ return 1;
projects / proxmark3-svn / blobdiff