X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/86724c17c9914f495e2a7df729d4fe65a9746d82..5ebdce44c014ae29d688367508d0a6f6e6ebc673:/client/scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index 152fd9d4..6b26ec59 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -20,6 +20,7 @@
 #include "../common/iso15693tools.h"
 #include "../common/crc16.h"
 #include "../common/crc64.h"
+#include "../common/sha1.h"
 #include "aes.h"
 /**
  * The following params expected:
@@ -231,7 +232,7 @@ static int l_iso15693_crc(lua_State *L)
  Simple AES 128 cbc hook up to OpenSSL.
  params:  key, input
 */
-static int l_aes128decrypt(lua_State *L)
+static int l_aes128decrypt_cbc(lua_State *L)
 {
 	//Check number of arguments
 	int i;
@@ -260,7 +261,36 @@ static int l_aes128decrypt(lua_State *L)
 	lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
 	return 1;// return 1 to signal one return value
 }
-static int l_aes128encrypt(lua_State *L)
+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;
@@ -289,6 +319,33 @@ static int l_aes128encrypt(lua_State *L)
 	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;
@@ -321,6 +378,16 @@ static int l_crc64(lua_State *L)
 	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;
+}
+
 /**
  * @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.
@@ -359,10 +426,13 @@ int set_pm3_libraries(lua_State *L)
 		{"clearCommandBuffer",          l_clearCommandBuffer},
 		{"console",                     l_CmdConsole},
 		{"iso15693_crc",                l_iso15693_crc},
-		{"aes128_decrypt",              l_aes128decrypt},
-		{"aes128_encrypt",              l_aes128encrypt},
+		{"aes128_decrypt",              l_aes128decrypt_cbc},
+		{"aes128_decrypt_ecb",          l_aes128decrypt_ecb},
+		{"aes128_encrypt",              l_aes128encrypt_cbc},
+		{"aes128_encrypt_ecb",          l_aes128encrypt_ecb},
 		{"crc16",                       l_crc16},
 		{"crc64",                       l_crc64},
+		{"sha1",                        l_sha1},
 		{NULL, NULL}
 	};