From 16658b1ff142a181e0223fbfefabe59e2abf2415 Mon Sep 17 00:00:00 2001 From: iceman1001 Date: Sun, 7 Aug 2016 21:08:17 +0200 Subject: [PATCH 1/1] CHG: moved some TEA crypto stuff from 14b into analyse. --- client/cmdanalyse.c | 35 +++++++++++++++++++++++++++++ client/cmdanalyse.h | 2 ++ client/cmdhf14b.c | 55 +++++---------------------------------------- client/cmdhf14b.h | 6 +++-- 4 files changed, 47 insertions(+), 51 deletions(-) diff --git a/client/cmdanalyse.c b/client/cmdanalyse.c index 0ab2463d..e7a638ee 100644 --- a/client/cmdanalyse.c +++ b/client/cmdanalyse.c @@ -249,6 +249,40 @@ int CmdAnalyseDates(const char *Cmd){ PrintAndLog("To be implemented. Feel free to contribute!"); return 0; } +int CmdAnalyseTEASelfTest(const char *Cmd){ + + uint8_t v[8], v_le[8]; + memset(v, 0x00, sizeof(v)); + memset(v_le, 0x00, sizeof(v_le)); + uint8_t* v_ptr = v_le; + + uint8_t cmdlen = strlen(Cmd); + cmdlen = ( sizeof(v)<<2 < cmdlen ) ? sizeof(v)<<2 : cmdlen; + + if ( param_gethex(Cmd, 0, v, cmdlen) > 0 ){ + PrintAndLog("can't read hex chars, uneven? :: %u", cmdlen); + return 1; + } + + SwapEndian64ex(v , 8, 4, v_ptr); + + // ENCRYPTION KEY: + uint8_t key[16] = {0x55,0xFE,0xF6,0x30,0x62,0xBF,0x0B,0xC1,0xC9,0xB3,0x7C,0x34,0x97,0x3E,0x29,0xFB }; + uint8_t keyle[16]; + uint8_t* key_ptr = keyle; + SwapEndian64ex(key , sizeof(key), 4, key_ptr); + + PrintAndLog("TEST LE enc| %s", sprint_hex(v_ptr, 8)); + + tea_decrypt(v_ptr, key_ptr); + PrintAndLog("TEST LE dec | %s", sprint_hex_ascii(v_ptr, 8)); + + tea_encrypt(v_ptr, key_ptr); + tea_encrypt(v_ptr, key_ptr); + PrintAndLog("TEST enc2 | %s", sprint_hex_ascii(v_ptr, 8)); + + return 0; +} static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, @@ -256,6 +290,7 @@ static command_t CommandTable[] = { {"crc", CmdAnalyseCRC, 1, "Stub method for CRC evaluations"}, {"chksum", CmdAnalyseCHKSUM, 1, "Checksum with adding, masking and one's complement"}, {"dates", CmdAnalyseDates, 1, "Look for datestamps in a given array of bytes"}, + {"tea", CmdAnalyseTEASelfTest, 1, "Crypto TEA test"}, {NULL, NULL, 0, NULL} }; diff --git a/client/cmdanalyse.h b/client/cmdanalyse.h index ddce0ecc..ec05cee2 100644 --- a/client/cmdanalyse.h +++ b/client/cmdanalyse.h @@ -19,6 +19,7 @@ #include "util.h" #include "crc.h" #include "../common/iso15693tools.h" +#include "tea.h" int usage_analyse_lcr(void); int usage_analyse_checksum(void); @@ -29,4 +30,5 @@ int CmdAnalyseLCR(const char *Cmd); int CmdAnalyseCHKSUM(const char *Cmd); int CmdAnalyseDates(const char *Cmd); int CmdAnalyseCRC(const char *Cmd); +int CmdAnalyseTEASelfTest(const char *Cmd); #endif diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c index a328d039..9dfa9afe 100644 --- a/client/cmdhf14b.c +++ b/client/cmdhf14b.c @@ -8,10 +8,6 @@ // High frequency ISO14443B commands //----------------------------------------------------------------------------- -#include -#include -#include -#include #include "cmdhf14b.h" #define TIMEOUT 2000 @@ -139,18 +135,15 @@ int CmdHF14BSnoop(const char *Cmd) { } int CmdHF14BCmdRaw (const char *Cmd) { - bool reply = TRUE; - bool power = FALSE; - bool select = FALSE; + bool reply = TRUE, power = FALSE, select = FALSE; char buf[5]=""; - int i = 0; uint8_t data[USB_CMD_DATA_SIZE] = {0x00}; uint16_t datalen = 0; uint32_t flags = ISO14B_CONNECT; uint32_t temp = 0; - if (strlen(Cmd)<3) return usage_hf_14b_raw(); + if ( strlen(Cmd) < 3 ) return usage_hf_14b_raw(); // strip while (*Cmd==' ' || *Cmd=='\t') ++Cmd; @@ -159,8 +152,8 @@ int CmdHF14BCmdRaw (const char *Cmd) { if (Cmd[i]==' ' || Cmd[i]=='\t') { ++i; continue; } if (Cmd[i]=='-') { switch (Cmd[i+1]) { - case 'H': case 'h': + case 'H': return usage_hf_14b_raw(); case 'r': case 'R': @@ -227,11 +220,11 @@ int CmdHF14BCmdRaw (const char *Cmd) { bool success = TRUE; // get back iso14b_card_select_t, don't print it. - if(select) + if (select) success = waitCmd(FALSE); // get back response from the raw bytes you sent. - if(success && datalen>0) waitCmd(TRUE); + if (success && datalen>0) waitCmd(TRUE); return 1; } @@ -704,7 +697,7 @@ int CmdHF14BWriteSri(const char *Cmd){ ); } - sprintf(str, "-ss -c %02x %02x %02x%02x%02x%02x", ISO14443B_WRITE_BLK, blockno, data[0], data[1], data[2], data[3]); + sprintf(str, "-ss -c %02x %02x %02x %02x %02x %02x", ISO14443B_WRITE_BLK, blockno, data[0], data[1], data[2], data[3]); CmdHF14BCmdRaw(str); return 0; } @@ -809,41 +802,6 @@ int srix4kValid(const char *Cmd){ return 0; } -int CmdteaSelfTest(const char *Cmd){ - - uint8_t v[8], v_le[8]; - memset(v, 0x00, sizeof(v)); - memset(v_le, 0x00, sizeof(v_le)); - uint8_t* v_ptr = v_le; - - uint8_t cmdlen = strlen(Cmd); - cmdlen = ( sizeof(v)<<2 < cmdlen ) ? sizeof(v)<<2 : cmdlen; - - if ( param_gethex(Cmd, 0, v, cmdlen) > 0 ){ - PrintAndLog("can't read hex chars, uneven? :: %u", cmdlen); - return 1; - } - - SwapEndian64ex(v , 8, 4, v_ptr); - - // ENCRYPTION KEY: - uint8_t key[16] = {0x55,0xFE,0xF6,0x30,0x62,0xBF,0x0B,0xC1,0xC9,0xB3,0x7C,0x34,0x97,0x3E,0x29,0xFB }; - uint8_t keyle[16]; - uint8_t* key_ptr = keyle; - SwapEndian64ex(key , sizeof(key), 4, key_ptr); - - PrintAndLog("TEST LE enc| %s", sprint_hex(v_ptr, 8)); - - tea_decrypt(v_ptr, key_ptr); - PrintAndLog("TEST LE dec | %s", sprint_hex_ascii(v_ptr, 8)); - - tea_encrypt(v_ptr, key_ptr); - tea_encrypt(v_ptr, key_ptr); - PrintAndLog("TEST enc2 | %s", sprint_hex_ascii(v_ptr, 8)); - - return 0; -} - bool waitCmd(bool verbose) { bool crc = FALSE; @@ -896,7 +854,6 @@ static command_t CommandTable[] = { {"sriread", CmdHF14BReadSri, 0, "Read contents of a SRI512 | SRIX4K tag"}, {"sriwrite", CmdHF14BWriteSri, 0, "Write data to a SRI512 | SRIX4K tag"}, //{"valid", srix4kValid, 1, "srix4k checksum test"}, - //{"valid", CmdteaSelfTest, 1, "tea test"}, {NULL, NULL, 0, NULL} }; diff --git a/client/cmdhf14b.h b/client/cmdhf14b.h index 873e2d51..26eb9037 100644 --- a/client/cmdhf14b.h +++ b/client/cmdhf14b.h @@ -11,6 +11,10 @@ #ifndef CMDHF14B_H__ #define CMDHF14B_H__ +#include +#include +#include +#include #include "iso14443crc.h" #include "proxmark3.h" #include "data.h" @@ -20,14 +24,12 @@ #include "cmdparser.h" #include "cmdmain.h" #include "cmdhf14a.h" -#include "tea.h" #include "cmdhf.h" #include "prng.h" #include "sha1.h" #include "mifare.h" // structs/enum for ISO14B #include "protocols.h" // definitions of ISO14B protocol - int usage_hf_14b_info(void); int usage_hf_14b_reader(void); int usage_hf_14b_raw(void); -- 2.39.5