#include "util.h"
#include "nonce2key/nonce2key.h"
#include "../common/iso15693tools.h"
-#include <openssl/aes.h>
+#include "../common/crc16.h"
+#include "../common/crc64.h"
+#include "aes.h"
/**
* The following params expected:
* UsbCommand c
const char *p_encTxt = luaL_checklstring(L, 2, &size);
- unsigned char indata[AES_BLOCK_SIZE] = {0x00};
- unsigned char outdata[AES_BLOCK_SIZE] = {0x00};
- unsigned char aes_key[AES_BLOCK_SIZE] = {0x00};
- unsigned char iv[AES_BLOCK_SIZE] = {0x00};
+ 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
for (i = 0; i < 32; i += 2) {
sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
}
- AES_KEY key;
- AES_set_decrypt_key(aes_key, 128, &key);
- AES_cbc_encrypt(indata, outdata, sizeof(indata), &key, iv, AES_DECRYPT);
-
+ //AES_KEY key;
+ //AES_set_decrypt_key(aes_key, 128, &key);
+ //AES_cbc_encrypt(indata, outdata, sizeof(indata), &key, iv, AES_DECRYPT);
+
+ aes_context ctx;
+ aes_init(&ctx);
+ aes_setkey_enc(&ctx,(const unsigned char *)p_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_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;
+}
+
/**
* @brief Sets the lua path to include "./lualibs/?.lua", in order for a script to be
* able to do "require('foobar')" if foobar.lua is within lualibs folder.
{"console", l_CmdConsole},
{"iso15693_crc", l_iso15693_crc},
{"aes", l_aes},
+ {"crc16", l_crc16},
+ {"crc64", l_crc64},
{NULL, NULL}
};