X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/bcf61bd34ab2747580aabf648093e5854b7283ed..2d2f7d1948f655b32031fc06f83d530c0c30c85b:/client/scripting.c diff --git a/client/scripting.c b/client/scripting.c index 9e643932..7ac78394 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; @@ -254,14 +255,42 @@ static int l_aes128decrypt(lua_State *L) aes_context ctx; aes_init(&ctx); - //aes_setkey_enc(&ctx, (const unsigned char *)aes_key, 128); 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_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; @@ -290,6 +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; @@ -322,6 +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. @@ -360,10 +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} };