X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c15d2bdc9b25da89931c767902639fa7e8c9b764..a087e9cf40bdb4d7546a7645995624a519aef2a6:/client/scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index fd065a04..50283c87 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -18,7 +18,9 @@
 #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
@@ -239,10 +241,10 @@ static int l_aes(lua_State *L)
 
     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) {
@@ -254,15 +256,51 @@ static int l_aes(lua_State *L)
 		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.
@@ -301,6 +339,8 @@ int set_pm3_libraries(lua_State *L)
         {"console",                     l_CmdConsole},
         {"iso15693_crc",                l_iso15693_crc},
 		{"aes",                         l_aes},
+		{"crc16",                       l_crc16},
+		{"crc64",						l_crc64},
         {NULL, NULL}
     };