From 1a565ae953583fe5a45149cee3a28174e9a52883 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 07:39:07 +0200
Subject: [PATCH 01/27] fix uninitialised

---
 client/scripting.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/client/scripting.c b/client/scripting.c
index f3afb18d4..cf9b5c590 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -785,8 +785,7 @@ static int l_T55xx_readblock(lua_State *L) {
 // arg 2 = use GB
 static int l_T55xx_detect(lua_State *L) {
     bool useGB = false, usepwd = false, isok;
-    uint32_t password;
-    uint32_t gb;
+    uint32_t gb, password = 0;
     size_t size;
     
     //Check number of arguments

From a499e30608bc716f878674ee4fbee3e3e20eb6fe Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 08:21:10 +0200
Subject: [PATCH 02/27] chg: 'script run test_t55x7' - more modulations and
 better wipe card

---
 client/scripts/test_t55x7.lua | 185 +++++++++++++++++++++++++++-------
 1 file changed, 146 insertions(+), 39 deletions(-)

diff --git a/client/scripts/test_t55x7.lua b/client/scripts/test_t55x7.lua
index 3b7ea2e02..0d89147c6 100644
--- a/client/scripts/test_t55x7.lua
+++ b/client/scripts/test_t55x7.lua
@@ -89,23 +89,134 @@ local function exitMsg(msg)
     print(msg)
     print()
 end
+---
+-- ask/fsk/psk configuration blocks to test
+local function GetConfigs( modulation )
 
+    local t = {}
+    
+    t['ASK'] = {
+                [1] = '00008040',
+                [2] = '00048040', 
+                [3] = '00088040',
+                [4] = '000c8040',
+                [5] = '00108040',
+                [6] = '00148040',
+                [7] = '00188040',
+                [8] = '001c8040',
+            }
+            
+    t['BI'] = {
+                [1] = '00010040',
+                [2] = '00050040',
+                [3] = '00090040',
+                [4] = '000d0040',
+                [5] = '00110040',
+                [6] = '00150040',
+                [7] = '00190040',
+                [8] = '001d0040',
+            }
+            
+    t['FSK2A'] = {
+                [1] = '00007040',
+                [2] = '00047040',
+                [3] = '00087040',
+                [4] = '000c7040',
+                [5] = '00107040',
+                [6] = '00147040',
+                [7] = '00187040',
+                [8] = '001c7040',
+            }
+            
+    t['FSK1A'] = {
+                [1] = '00006040',
+                [2] = '00046040',
+                [3] = '00086040',
+                [4] = '000c6040',
+                [5] = '00106040',
+                [6] = '00146040',
+                [7] = '00186040',
+                [8] = '001c6040',
+            }
+            
+    t['FSK2'] = {
+                [1] = '00005040',
+                [2] = '00045040',
+                [3] = '00085040',
+                [4] = '000c5040',
+                [5] = '00105040',
+                [6] = '00145040',
+                [7] = '00185040',
+                [8] = '001c5040',
+            }
+            
+    t['FSK1'] = {
+                [1] = '00004040',
+                [2] = '00004040',
+                [3] = '00044040',
+                [4] = '00084040',
+                [5] = '000c4040',
+                [6] = '00104040',
+                [7] = '00144040',
+                [8] = '00184040',
+                [9] = '001c4040',
+            }
+            
+    t['PSK1'] = {
+                [1] = '00001040',
+                [2] = '00041040', 
+                [3] = '00081040',
+                [4] = '000c1040',
+                [5] = '00101040',
+                [6] = '00141040',
+                [7] = '00181040',
+                [8] = '001c1040',
+            }
+
+    t['PSK2'] = {
+                [1] = '00002040',
+                [2] = '00042040',
+                [3] = '00082040',
+                [4] = '000c2040',
+                [5] = '00102040',
+                [6] = '00142040',
+                [7] = '00182040',
+                [8] = '001c2040',
+            }
+            
+    t['PSK3'] = {
+                [1] = '00003040',
+                [2] = '00043040',
+                [3] = '00083040',
+                [4] = '000c3040',
+                [5] = '00103040',
+                [6] = '00143040',
+                [7] = '00183040',
+                [8] = '001c3040',
+        }
+    return t[modulation]
+end
+---
+-- lf t55xx wipe
 local function WipeCard()
 
-   local wipe_cmds = {
-        [1] = 'lf t55xx wipe',
-        [2] = 'lf t55xx detect',
-   }
-    for _ = 1, #wipe_cmds do
-        local c = wipe_cmds[_]
-        dbg(c);  core.console(c)
-    end
+    print('Wiping card')
+    core.console('lf t55xx wipe')
     
-    local wipe_data_cmd = "lf t55xx write b %s d %s"
-    for _ = 1, #data_blocks_cmds do
-        local val = data_blocks_cmds[_]
-        local c = string.format(wipe_data_cmd, _, val);
-        core.console(c)
+    print('Detecting card'); 
+    local res, msg = core.t55xx_detect()
+    if not res then 
+        oops("can't detect modulation. Test failed."); 
+        core.console("rem Failed to detect");
+        return false
+    else
+        local wipe_data_cmd = "lf t55xx write b %s d %s"
+        for _ = 1, #data_blocks_cmds do
+            local val = data_blocks_cmds[_]
+            local c = string.format(wipe_data_cmd, _, val);
+            core.console(c)
+        end
+        return true
     end
 end
 ---
@@ -120,23 +231,18 @@ local function CheckReadBlock(block)
     return ('%08X'):format(data)
 end
 
-local function test()
+local function test(modulation)
     
-    -- PSK1 Modulations to test.  (2blocks)
-    local process_block0_cmds = {
-        [1] = '00001040',
-        [2] = '00041040', 
-        [3] = '00081040',
-        [4] = '000c1040',
-        [5] = '00101040',
-        [6] = '00141040',
-        [7] = '00181040',
-        [8] = '001c1040',
-    }
-
+    local process_block0_cmds = {}
     local y
     local block = "00"
-
+    
+    local s = ('Start test of %s'):format(modulation)
+    print(s)
+    core.console('rem '..s)
+    
+    process_block0_cmds = GetConfigs(modulation)
+    
     for _ = 1, #process_block0_cmds do
     
         local p_config_cmd = process_block0_cmds[_]
@@ -181,19 +287,20 @@ local function main(args)
     end
 
     core.clearCommandBuffer()
-
-    print('Starting test,  wiping card')
-    WipeCard()
-    print('Detecting card')
-    local res, msg = core.t55xx_detect()
-    if res then
-        print('Starting test')
-        test()
-    else
-        print("can't detect modulation. Test failed. Ending.")
-    end
+    local res
     
---    test()
+    res = WipeCard()
+    if res then test("ASK") end
+
+--    res = WipeCard()
+--    if res then test("FSK1") end
+
+--    res = WipeCard()
+--    if res then test("FSK2") end
+
+--    res = WipeCard()
+--    if res then test("PSK1") end    
+
     exitMsg('Tests finished')
     
 end

From 229452719a09753382ee3239c7611be3a11a1afd Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 08:36:12 +0200
Subject: [PATCH 03/27] chg: compare with low case

---
 client/scripts/test_t55x7.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/scripts/test_t55x7.lua b/client/scripts/test_t55x7.lua
index 0d89147c6..c1cbd214e 100644
--- a/client/scripts/test_t55x7.lua
+++ b/client/scripts/test_t55x7.lua
@@ -265,7 +265,7 @@ local function test(modulation)
             for _ = 1, #data_blocks_cmds do
                 local val = data_blocks_cmds[_]
                 local blockdata, msg = CheckReadBlock(_)
-                if blockdata ~= val then
+                if blockdata:lower() ~= val:lower() then
                     print( ('Test %s == %s Failed'):format(val, blockdata))
                     core.console( format('rem -- block %d  value %s failed', _, val))
                 else

From 774cbc5cb9f4e920988dc78aa1611d12e17532b0 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 08:58:12 +0200
Subject: [PATCH 04/27] chg: 'script run test_t55x7' - better test loops

---
 client/scripts/test_t55x7.lua | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/client/scripts/test_t55x7.lua b/client/scripts/test_t55x7.lua
index c1cbd214e..015b578c0 100644
--- a/client/scripts/test_t55x7.lua
+++ b/client/scripts/test_t55x7.lua
@@ -194,7 +194,7 @@ local function GetConfigs( modulation )
                 [7] = '00183040',
                 [8] = '001c3040',
         }
-    return t[modulation]
+    return t[modulation:upper()]
 end
 ---
 -- lf t55xx wipe
@@ -243,6 +243,8 @@ local function test(modulation)
     
     process_block0_cmds = GetConfigs(modulation)
     
+    if process_block0_cmds == nil then return oops('Cant find modulation '..modulation) end
+    
     for _ = 1, #process_block0_cmds do
     
         local p_config_cmd = process_block0_cmds[_]
@@ -289,17 +291,14 @@ local function main(args)
     core.clearCommandBuffer()
     local res
     
-    res = WipeCard()
-    if res then test("ASK") end
-
---    res = WipeCard()
---    if res then test("FSK1") end
-
---    res = WipeCard()
---    if res then test("FSK2") end
-
---    res = WipeCard()
---    if res then test("PSK1") end    
+    -- Adjust this table to set which configurations should be tested
+    local test_modes = { 'ASK', 'PSK1' }
+    
+    for _ = 1, #test_modes do
+        res = WipeCard()
+        print (test_modes[_])
+        if res then test(test_modes[_]) end        
+    end
 
     exitMsg('Tests finished')
     

From 5b0eed26b58249a8566adfd0cdaac7099c4028e0 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 09:14:40 +0200
Subject: [PATCH 05/27] style

---
 client/emv/emv_tags.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/client/emv/emv_tags.c b/client/emv/emv_tags.c
index 605707a65..ee6824b32 100644
--- a/client/emv/emv_tags.c
+++ b/client/emv/emv_tags.c
@@ -537,7 +537,7 @@ static void emv_tag_dump_numeric(const struct tlv *tlv, const struct emv_tag *ta
 
 static void emv_tag_dump_yymmdd(const struct tlv *tlv, const struct emv_tag *tag, FILE *f, int level) {
     PRINT_INDENT(level);
-    fprintf(f, "\tDate: 20%02ld.%ld.%ld\n",
+    fprintf(f, "\tDate: 20%02lu.%lu.%lu\n",
             emv_value_numeric(tlv, 0, 2),
             emv_value_numeric(tlv, 2, 4),
             emv_value_numeric(tlv, 4, 6));
@@ -667,9 +667,9 @@ static void emv_tag_dump_cvm_list(const struct tlv *tlv, const struct emv_tag *t
     Y = emv_get_binary(tlv->value + 4);
 
     PRINT_INDENT(level);
-    fprintf(f, "\tX: %d\n", X);
+    fprintf(f, "\tX: %u\n", X);
     PRINT_INDENT(level);
-    fprintf(f, "\tY: %d\n", Y);
+    fprintf(f, "\tY: %u\n", Y);
 
     for (i = 8; i < tlv->len; i += 2) {
         const char *method;

From 632e80e9b142f9187b7e28c80be1204f9ee607d0 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 09:16:01 +0200
Subject: [PATCH 06/27] style

---
 client/hid-flasher/flash.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/client/hid-flasher/flash.c b/client/hid-flasher/flash.c
index 020be9e87..edfc6b776 100644
--- a/client/hid-flasher/flash.c
+++ b/client/hid-flasher/flash.c
@@ -413,7 +413,7 @@ int flash_write(flash_file_t *ctx) {
         uint32_t blocks = (length + BLOCK_SIZE - 1) / BLOCK_SIZE;
         uint32_t end = seg->start + length;
 
-        fprintf(stderr, " 0x%08x..0x%08x [0x%x / %d blocks]",
+        fprintf(stderr, " 0x%08x..0x%08x [0x%x / %u blocks]",
                 seg->start, end - 1, length, blocks);
 
         int block = 0;
@@ -427,7 +427,7 @@ int flash_write(flash_file_t *ctx) {
 
             if (write_block(baddr, data, block_size) < 0) {
                 fprintf(stderr, " ERROR\n");
-                fprintf(stderr, "Error writing block %d of %d\n", block, blocks);
+                fprintf(stderr, "Error writing block %d of %u\n", block, blocks);
                 return -1;
             }
 

From 647dcc596f40b63bd9f869af3930c51c7b5362a8 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 09:18:52 +0200
Subject: [PATCH 07/27] style

---
 client/cmdhfmfu.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index 956cc1a70..ac1391c47 100644
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -1134,8 +1134,6 @@ int CmdHF14AMfUInfo(const char *Cmd) {
         // hasAuthKey,  if we was called with key, skip test.
         if (!authlim && !hasAuthKey) {
             PrintAndLogEx(NORMAL, "\n--- Known EV1/NTAG passwords.");
-            len = 0;
-
             // test pwd gen A
             num_to_bytes(ul_ev1_pwdgenA(card.uid), 4, key);
             len = ulev1_requestAuthentication(key, pack, sizeof(pack));

From 6404c974b63bd730346e46f112eea6d3a441e7c3 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 09:20:37 +0200
Subject: [PATCH 08/27] style

---
 client/cmdlfem4x.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c
index e6da5da33..8d5ebb68b 100644
--- a/client/cmdlfem4x.c
+++ b/client/cmdlfem4x.c
@@ -1225,9 +1225,8 @@ int CmdEM4x05Write(const char *Cmd) {
     if (strlen(Cmd) == 0 || ctmp == 'h') return usage_lf_em4x05_write();
 
     bool usePwd = false;
-    uint8_t addr = 50; // default to invalid address
-    uint32_t data = 0; // default to blank data
-    uint32_t pwd = 1; // default to blank password
+    uint8_t addr;
+    uint32_t data, pwd;
 
     addr = param_get8ex(Cmd, 0, 50, 10);
     data = param_get32ex(Cmd, 1, 0, 16);

From 82f4388abed041270627b1eeaed8491447479921 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 09:22:12 +0200
Subject: [PATCH 09/27] style

---
 client/hid-flasher/flash.c   | 2 +-
 client/hid-flasher/proxusb.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/client/hid-flasher/flash.c b/client/hid-flasher/flash.c
index edfc6b776..967888e17 100644
--- a/client/hid-flasher/flash.c
+++ b/client/hid-flasher/flash.c
@@ -180,7 +180,7 @@ static int check_segs(flash_file_t *ctx, int can_write_bl) {
 
 // Load an ELF file and prepare it for flashing
 int flash_load(flash_file_t *ctx, const char *name, int can_write_bl) {
-    FILE *fd = NULL;
+    FILE *fd;
     Elf32_Ehdr ehdr;
     Elf32_Phdr *phdrs = NULL;
     int num_phdrs;
diff --git a/client/hid-flasher/proxusb.c b/client/hid-flasher/proxusb.c
index f7ff5d489..7563429d8 100644
--- a/client/hid-flasher/proxusb.c
+++ b/client/hid-flasher/proxusb.c
@@ -166,7 +166,7 @@ usb_dev_handle *findProxmark(int verbose, unsigned int *iface) {
 
 usb_dev_handle *OpenProxmark(int verbose) {
     int ret;
-    usb_dev_handle *handle = NULL;
+    usb_dev_handle *handle;
     unsigned int iface;
 
     handle = findProxmark(verbose, &iface);

From ea5dddafef732107ec081097efed554109f94c72 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 18:47:36 +0200
Subject: [PATCH 10/27] fix: invalidPrintfArg

---
 client/emv/crypto_polarssl.c |  4 ++--
 client/emv/emv_pk.c          |  2 +-
 client/emv/emv_roca.c        |  2 +-
 client/flasher.c             | 10 +++++-----
 uart/uart_posix.c            |  2 +-
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/client/emv/crypto_polarssl.c b/client/emv/crypto_polarssl.c
index 3b0a7d801..ff5a867a9 100644
--- a/client/emv/crypto_polarssl.c
+++ b/client/emv/crypto_polarssl.c
@@ -208,7 +208,7 @@ static unsigned char *crypto_pk_polarssl_encrypt(const struct crypto_pk *_cp, co
 
     res = mbedtls_rsa_public(&cp->ctx, buf, result);
     if (res) {
-        printf("RSA encrypt failed. Error: %x data len: %zd key len: %zd\n", res * -1, len, keylen);
+        printf("RSA encrypt failed. Error: %x data len: %zu key len: %zu\n", res * -1, len, keylen);
         free(result);
         return NULL;
     }
@@ -234,7 +234,7 @@ static unsigned char *crypto_pk_polarssl_decrypt(const struct crypto_pk *_cp, co
 
     res = mbedtls_rsa_private(&cp->ctx, NULL, NULL, buf, result); // CHECK???
     if (res) {
-        printf("RSA decrypt failed. Error: %x data len: %zd key len: %zd\n", res * -1, len, keylen);
+        printf("RSA decrypt failed. Error: %x data len: %zu key len: %zu\n", res * -1, len, keylen);
         free(result);
         return NULL;
     }
diff --git a/client/emv/emv_pk.c b/client/emv/emv_pk.c
index 4c6afa88e..9b5f2e714 100644
--- a/client/emv/emv_pk.c
+++ b/client/emv/emv_pk.c
@@ -483,7 +483,7 @@ struct emv_pk *emv_pk_get_ca_pk(const unsigned char *rid, unsigned char idx) {
     if (!pk)
         return NULL;
 
-    printf("Verifying CA PK for %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx %zd bits...",
+    printf("Verifying CA PK for %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx %zu bits...",
            pk->rid[0],
            pk->rid[1],
            pk->rid[2],
diff --git a/client/emv/emv_roca.c b/client/emv/emv_roca.c
index 3a89020c7..c0d0d419d 100644
--- a/client/emv/emv_roca.c
+++ b/client/emv/emv_roca.c
@@ -84,7 +84,7 @@ void print_mpi(const char *msg, int radix, const mbedtls_mpi *X) {
     size_t len = 0;
 
     mbedtls_mpi_write_string(X, radix, Xchar, sizeof(Xchar), &len);
-    printf("%s[%ld] %s\n", msg, len, Xchar);
+    printf("%s[%zu] %s\n", msg, len, Xchar);
 }
 
 bool emv_rocacheck(const unsigned char *buf, size_t buflen, bool verbose) {
diff --git a/client/flasher.c b/client/flasher.c
index bc744b339..cb77ce719 100644
--- a/client/flasher.c
+++ b/client/flasher.c
@@ -23,11 +23,11 @@
 void cmd_debug(UsbCommand *c) {
     //  Debug
     printf("UsbCommand length[len=%zd]\n", sizeof(UsbCommand));
-    printf("  cmd[len=%zd]: %016" PRIx64"\n", sizeof(c->cmd), c->cmd);
-    printf(" arg0[len=%zd]: %016" PRIx64"\n", sizeof(c->arg[0]), c->arg[0]);
-    printf(" arg1[len=%zd]: %016" PRIx64"\n", sizeof(c->arg[1]), c->arg[1]);
-    printf(" arg2[len=%zd]: %016" PRIx64"\n", sizeof(c->arg[2]), c->arg[2]);
-    printf(" data[len=%zd]: ", sizeof(c->d.asBytes));
+    printf("  cmd[len=%zu]: %016" PRIx64"\n", sizeof(c->cmd), c->cmd);
+    printf(" arg0[len=%zu]: %016" PRIx64"\n", sizeof(c->arg[0]), c->arg[0]);
+    printf(" arg1[len=%zu]: %016" PRIx64"\n", sizeof(c->arg[1]), c->arg[1]);
+    printf(" arg2[len=%zu]: %016" PRIx64"\n", sizeof(c->arg[2]), c->arg[2]);
+    printf(" data[len=%zu]: ", sizeof(c->d.asBytes));
 
     for (size_t i = 0; i < 16; i++)
         printf("%02x", c->d.asBytes[i]);
diff --git a/uart/uart_posix.c b/uart/uart_posix.c
index 92af6774a..4c9e8b990 100644
--- a/uart/uart_posix.c
+++ b/uart/uart_posix.c
@@ -206,7 +206,7 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             }
         }
     }
-    printf("[=] UART Setting serial baudrate %i\n", speed);
+    printf("[=] UART Setting serial baudrate %u\n", speed);
     return sp;
 }
 

From 1773cfcf390bb7e7142f0a462f9d729df751694f Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 18:51:19 +0200
Subject: [PATCH 11/27] style

---
 armsrc/Standalone/hf_young.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/armsrc/Standalone/hf_young.c b/armsrc/Standalone/hf_young.c
index 4b7a87e99..866b13e0c 100644
--- a/armsrc/Standalone/hf_young.c
+++ b/armsrc/Standalone/hf_young.c
@@ -158,7 +158,7 @@ void RunMod() {
                             Bytes 5-7 are reserved SAK and ATQA for mifare classic
                     -Use mfCSetBlock(0, block0, oldUID, wantWipe, MAGIC_SINGLE) to write it
             */
-            uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
+            uint8_t oldBlock0[16] = {0}, newBlock0[16], testBlock0[16] = {0};
             // arg0 = Flags, arg1=blockNo
             MifareCGetBlock(params, 0, oldBlock0);
             if (oldBlock0[0] == 0 && oldBlock0[0] == oldBlock0[1]  && oldBlock0[1] == oldBlock0[2] && oldBlock0[2] == oldBlock0[3]) {

From e7406de2191d8d508fccd6ee4cafcc35fd862137 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 18:53:17 +0200
Subject: [PATCH 12/27] redundant.

---
 client/cmdlfhid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/client/cmdlfhid.c b/client/cmdlfhid.c
index c0d55f977..b44a5e68a 100644
--- a/client/cmdlfhid.c
+++ b/client/cmdlfhid.c
@@ -459,8 +459,8 @@ int CmdHIDWiegand(const char *Cmd) {
     uint8_t *bs = bits;
     memset(bs, 0, sizeof(bits));
 
-    uint8_t ctmp = param_getchar(Cmd, 0);
-    if (strlen(Cmd) == 0 || strlen(Cmd) < 3 || ctmp == 'H' || ctmp == 'h') return usage_lf_hid_wiegand();
+    uint8_t ctmp = tolower(param_getchar(Cmd, 0));
+    if (strlen(Cmd) < 3 || ctmp == 'h') return usage_lf_hid_wiegand();
 
     oem = param_get8(Cmd, 0);
     fc = param_get32ex(Cmd, 1, 0, 10);

From d42b779cbe484891c05cf02cfc31e841e6fbe6b5 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 18:55:31 +0200
Subject: [PATCH 13/27] style

---
 client/crypto/asn1dump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/crypto/asn1dump.c b/client/crypto/asn1dump.c
index b62d83cbc..c55244286 100644
--- a/client/crypto/asn1dump.c
+++ b/client/crypto/asn1dump.c
@@ -323,7 +323,7 @@ bool asn1_tag_dump(const struct tlv *tlv, FILE *f, int level, bool *candump) {
     const struct asn1_tag *tag = asn1_get_tag(tlv);
 
     PRINT_INDENT(level);
-    fprintf(f, "--%2hx[%02zx] '%s':", tlv->tag, tlv->len, tag->name);
+    fprintf(f, "--%2x[%02zx] '%s':", tlv->tag, tlv->len, tag->name);
 
     switch (tag->type) {
         case ASN1_TAG_GENERIC:

From ffdfe09659a571b5e2d22531b4a3685ebf0a1355 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 18:57:05 +0200
Subject: [PATCH 14/27] style

---
 client/emv/emv_tags.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/client/emv/emv_tags.c b/client/emv/emv_tags.c
index ee6824b32..dc6503f4b 100644
--- a/client/emv/emv_tags.c
+++ b/client/emv/emv_tags.c
@@ -490,7 +490,7 @@ static void emv_tag_dump_dol(const struct tlv *tlv, const struct emv_tag *tag, F
         doltag = emv_get_tag(&doltlv);
 
         PRINT_INDENT(level);
-        fprintf(f, "\tTag %4hx len %02zx ('%s')\n", doltlv.tag, doltlv.len, doltag->name);
+        fprintf(f, "\tTag %4x len %02zx ('%s')\n", doltlv.tag, doltlv.len, doltag->name);
     }
 }
 
@@ -773,7 +773,7 @@ bool emv_tag_dump(const struct tlv *tlv, FILE *f, int level) {
     const struct emv_tag *tag = emv_get_tag(tlv);
 
     PRINT_INDENT(level);
-    fprintf(f, "--%2hx[%02zx] '%s':", tlv->tag, tlv->len, tag->name);
+    fprintf(f, "--%2x[%02zx] '%s':", tlv->tag, tlv->len, tag->name);
 
     switch (tag->type) {
         case EMV_TAG_GENERIC:

From 4be92f129a0b8816b4ce11000c51b5f33a775327 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 19:13:03 +0200
Subject: [PATCH 15/27] style

---
 client/flasher.c       | 2 +-
 client/fpga_compress.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/client/flasher.c b/client/flasher.c
index cb77ce719..be74ef8e6 100644
--- a/client/flasher.c
+++ b/client/flasher.c
@@ -22,7 +22,7 @@
 
 void cmd_debug(UsbCommand *c) {
     //  Debug
-    printf("UsbCommand length[len=%zd]\n", sizeof(UsbCommand));
+    printf("UsbCommand length[len=%zu]\n", sizeof(UsbCommand));
     printf("  cmd[len=%zu]: %016" PRIx64"\n", sizeof(c->cmd), c->cmd);
     printf(" arg0[len=%zu]: %016" PRIx64"\n", sizeof(c->arg[0]), c->arg[0]);
     printf(" arg1[len=%zu]: %016" PRIx64"\n", sizeof(c->arg[1]), c->arg[1]);
diff --git a/client/fpga_compress.c b/client/fpga_compress.c
index 0f4220632..3a06a62d3 100644
--- a/client/fpga_compress.c
+++ b/client/fpga_compress.c
@@ -98,12 +98,12 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile, bool hardn
 #if __WORDSIZE == 64
                         "Input file too big (> %" PRIu64 " bytes). This is probably not a hardnested bitflip state table.\n"
 #else
-                        "Input file too big (> %lu bytes). This is probably not a hardnested bitflip state table.\n"
+                        "Input file too big (> %zu bytes). This is probably not a hardnested bitflip state table.\n"
 #endif
                         , HARDNESTED_TABLE_SIZE);
 
             } else {
-                fprintf(stderr, "Input files too big (total > %lu bytes). These are probably not PM3 FPGA config files.\n", num_infiles * FPGA_CONFIG_SIZE);
+                fprintf(stderr, "Input files too big (total > %zu bytes). These are probably not PM3 FPGA config files.\n", num_infiles * FPGA_CONFIG_SIZE);
             }
             for (uint16_t j = 0; j < num_infiles; j++) {
                 fclose(infile[j]);

From fa0a2914f657c60571a2f3ef23095f8f2a595651 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 19:29:16 +0200
Subject: [PATCH 16/27] style

---
 client/cmdsmartcard.c  | 2 +-
 client/fpga_compress.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/client/cmdsmartcard.c b/client/cmdsmartcard.c
index 2a0216aa7..b1c3c3797 100644
--- a/client/cmdsmartcard.c
+++ b/client/cmdsmartcard.c
@@ -1107,7 +1107,7 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
     //Validations
     if (errors) return usage_sm_brute();
 
-    const char *SELECT = "00a40400%02x%s";
+    const char *SELECT = "00a40400%02zu%s";
 
 //  uint8_t GENERATE_AC[] = {0x80, 0xAE};
 //  uint8_t GET_CHALLENGE[] = {0x00, 0x84, 0x00};
diff --git a/client/fpga_compress.c b/client/fpga_compress.c
index 3a06a62d3..00e62d74b 100644
--- a/client/fpga_compress.c
+++ b/client/fpga_compress.c
@@ -98,12 +98,12 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile, bool hardn
 #if __WORDSIZE == 64
                         "Input file too big (> %" PRIu64 " bytes). This is probably not a hardnested bitflip state table.\n"
 #else
-                        "Input file too big (> %zu bytes). This is probably not a hardnested bitflip state table.\n"
+                        "Input file too big (> %li bytes). This is probably not a hardnested bitflip state table.\n"
 #endif
                         , HARDNESTED_TABLE_SIZE);
 
             } else {
-                fprintf(stderr, "Input files too big (total > %zu bytes). These are probably not PM3 FPGA config files.\n", num_infiles * FPGA_CONFIG_SIZE);
+                fprintf(stderr, "Input files too big (total > %li bytes). These are probably not PM3 FPGA config files.\n", num_infiles * FPGA_CONFIG_SIZE);
             }
             for (uint16_t j = 0; j < num_infiles; j++) {
                 fclose(infile[j]);

From 841f20c5e5129a057970b3bf6594ae87f3bfb1b3 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 5 Apr 2019 19:34:05 +0200
Subject: [PATCH 17/27] test_t55x7 logs & stats

---
 client/scripts/test_t55x7.lua | 177 +++++++++++++++++++---------------
 1 file changed, 99 insertions(+), 78 deletions(-)

diff --git a/client/scripts/test_t55x7.lua b/client/scripts/test_t55x7.lua
index 015b578c0..3d21cc9e5 100644
--- a/client/scripts/test_t55x7.lua
+++ b/client/scripts/test_t55x7.lua
@@ -40,7 +40,9 @@ Arguments:
 ]]
 
 local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
-local DEBUG = true -- the debug flag
+local DEBUG = false -- the debug flag
+local total_tests = 0
+local total_pass = 0
 
 local data_blocks_cmds = {    
     [1] = '00000000',
@@ -95,73 +97,6 @@ local function GetConfigs( modulation )
 
     local t = {}
     
-    t['ASK'] = {
-                [1] = '00008040',
-                [2] = '00048040', 
-                [3] = '00088040',
-                [4] = '000c8040',
-                [5] = '00108040',
-                [6] = '00148040',
-                [7] = '00188040',
-                [8] = '001c8040',
-            }
-            
-    t['BI'] = {
-                [1] = '00010040',
-                [2] = '00050040',
-                [3] = '00090040',
-                [4] = '000d0040',
-                [5] = '00110040',
-                [6] = '00150040',
-                [7] = '00190040',
-                [8] = '001d0040',
-            }
-            
-    t['FSK2A'] = {
-                [1] = '00007040',
-                [2] = '00047040',
-                [3] = '00087040',
-                [4] = '000c7040',
-                [5] = '00107040',
-                [6] = '00147040',
-                [7] = '00187040',
-                [8] = '001c7040',
-            }
-            
-    t['FSK1A'] = {
-                [1] = '00006040',
-                [2] = '00046040',
-                [3] = '00086040',
-                [4] = '000c6040',
-                [5] = '00106040',
-                [6] = '00146040',
-                [7] = '00186040',
-                [8] = '001c6040',
-            }
-            
-    t['FSK2'] = {
-                [1] = '00005040',
-                [2] = '00045040',
-                [3] = '00085040',
-                [4] = '000c5040',
-                [5] = '00105040',
-                [6] = '00145040',
-                [7] = '00185040',
-                [8] = '001c5040',
-            }
-            
-    t['FSK1'] = {
-                [1] = '00004040',
-                [2] = '00004040',
-                [3] = '00044040',
-                [4] = '00084040',
-                [5] = '000c4040',
-                [6] = '00104040',
-                [7] = '00144040',
-                [8] = '00184040',
-                [9] = '001c4040',
-            }
-            
     t['PSK1'] = {
                 [1] = '00001040',
                 [2] = '00041040', 
@@ -193,7 +128,75 @@ local function GetConfigs( modulation )
                 [6] = '00143040',
                 [7] = '00183040',
                 [8] = '001c3040',
-        }
+            }
+
+    t['FSK1'] = {
+                [1] = '00004040',
+                [2] = '00004040',
+                [3] = '00044040',
+                [4] = '00084040',
+                [5] = '000c4040',
+                [6] = '00104040',
+                [7] = '00144040',
+                [8] = '00184040',
+                [9] = '001c4040',
+            }
+            
+    t['FSK2'] = {
+                [1] = '00005040',
+                [2] = '00045040',
+                [3] = '00085040',
+                [4] = '000c5040',
+                [5] = '00105040',
+                [6] = '00145040',
+                [7] = '00185040',
+                [8] = '001c5040',
+            }
+            
+    t['FSK1A'] = {
+                [1] = '00006040',
+                [2] = '00046040',
+                [3] = '00086040',
+                [4] = '000c6040',
+                [5] = '00106040',
+                [6] = '00146040',
+                [7] = '00186040',
+                [8] = '001c6040',
+            }
+            
+    t['FSK2A'] = {
+                [1] = '00007040',
+                [2] = '00047040',
+                [3] = '00087040',
+                [4] = '000c7040',
+                [5] = '00107040',
+                [6] = '00147040',
+                [7] = '00187040',
+                [8] = '001c7040',
+            }
+            
+    t['ASK'] = {
+                [1] = '00008040',
+                [2] = '00048040', 
+                [3] = '00088040',
+                [4] = '000c8040',
+                [5] = '00108040',
+                [6] = '00148040',
+                [7] = '00188040',
+                [8] = '001c8040',
+            }
+            
+    t['BI'] = {
+                [1] = '00010040',
+                [2] = '00050040',
+                [3] = '00090040',
+                [4] = '000d0040',
+                [5] = '00110040',
+                [6] = '00150040',
+                [7] = '00190040',
+                [8] = '001d0040',
+            }
+            
     return t[modulation:upper()]
 end
 ---
@@ -203,17 +206,17 @@ local function WipeCard()
     print('Wiping card')
     core.console('lf t55xx wipe')
     
-    print('Detecting card'); 
+    print('Detecting card')
     local res, msg = core.t55xx_detect()
     if not res then 
-        oops("can't detect modulation. Test failed."); 
-        core.console("rem Failed to detect");
+        oops("Can't detect modulation. Test failed.")
+        core.console("rem [ERR:DETECT:WIPED] Failed to detect after wipe")
         return false
     else
         local wipe_data_cmd = "lf t55xx write b %s d %s"
         for _ = 1, #data_blocks_cmds do
             local val = data_blocks_cmds[_]
-            local c = string.format(wipe_data_cmd, _, val);
+            local c = string.format(wipe_data_cmd, _, val)
             core.console(c)
         end
         return true
@@ -239,7 +242,6 @@ local function test(modulation)
     
     local s = ('Start test of %s'):format(modulation)
     print(s)
-    core.console('rem '..s)
     
     process_block0_cmds = GetConfigs(modulation)
     
@@ -248,6 +250,7 @@ local function test(modulation)
     for _ = 1, #process_block0_cmds do
     
         local p_config_cmd = process_block0_cmds[_]
+        local errors = 0
         core.clearCommandBuffer()
 
         -- Write Config block
@@ -262,19 +265,30 @@ local function test(modulation)
         local res, msg = core.t55xx_detect()
         if not res then 
             print("can't detect modulation, skip to next config")
+            core.console(format("rem [ERR:DETECT:%s] Failed to detect modulation", p_config_cmd))
+            core.console(format('rem [SUMMARY:%s] FAIL detection', p_config_cmd))
+            total_tests = total_tests + #data_blocks_cmds
         else
             -- Loop block1-2
             for _ = 1, #data_blocks_cmds do
+                total_tests = total_tests + 1
                 local val = data_blocks_cmds[_]
                 local blockdata, msg = CheckReadBlock(_)
                 if blockdata:lower() ~= val:lower() then
                     print( ('Test %s == %s Failed'):format(val, blockdata))
-                    core.console( format('rem -- block %d  value %s failed', _, val))
+                    core.console( format('rem [ERR:READ:%s:%d] block %d: read %s instead of %s', p_config_cmd, _, _, blockdata, val))
+                    errors = errors+1
                 else
                     print( ('Test %s == %s OK'):format(val, blockdata))
+                    total_pass = total_pass + 1
                 end
             end
-        end       
+            if errors >0 then
+                core.console( format('rem [SUMMARY:%s] FAIL %d test%s', p_config_cmd, errors, errors > 1 and "s" or ""))
+            else
+                core.console( format('rem [SUMMARY:%s] PASS all tests', p_config_cmd))
+            end
+        end
     end
 end
 
@@ -292,15 +306,22 @@ local function main(args)
     local res
     
     -- Adjust this table to set which configurations should be tested
+--    local test_modes = { 'PSK1', 'PSK2', 'PSK3', 'FSK1', 'FSK2', 'FSK1A', 'FSK2A', 'ASK', 'BI' }
     local test_modes = { 'ASK', 'PSK1' }
     
     for _ = 1, #test_modes do
         res = WipeCard()
-        print (test_modes[_])
-        if res then test(test_modes[_]) end        
+        if res then
+            print (test_modes[_])
+            test(test_modes[_])
+        else
+            exitMsg('Abort!')
+            return
+        end
     end
 
     exitMsg('Tests finished')
+    core.console( format('rem [SUMMARY] Success rate: %d/%d tests passed%s', total_pass, total_tests, total_pass < total_tests and ", help me improving that number!" or " \\o/"))
     
 end
 main(args)

From 8c017157d40958db8b5ef3a0c5183d0fa40ec236 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 5 Apr 2019 20:28:58 +0200
Subject: [PATCH 18/27] chg: better strong wave detection for biphase

---
 common/lfdemod.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/common/lfdemod.c b/common/lfdemod.c
index cfac0a0b5..a0dea9d9d 100644
--- a/common/lfdemod.c
+++ b/common/lfdemod.c
@@ -445,11 +445,11 @@ int ManchesterEncode(uint8_t *bits, size_t size) {
 
 // by marshmellow
 // to detect a wave that has heavily clipped (clean) samples
-// loop 512 samples,   if 250 of them is deemed maxed out,  we assume the wave is clipped.
+// loop 1024 samples,   if 250 of them is deemed maxed out,  we assume the wave is clipped.
 bool DetectCleanAskWave(uint8_t *dest, size_t size, uint8_t high, uint8_t low) {
     bool allArePeaks = true;
     uint16_t cntPeaks = 0;
-    size_t loopEnd = 512 + 160;
+    size_t loopEnd = 1024 + 160;
 
     // sanity check
     if (loopEnd > size) loopEnd = size;
@@ -463,7 +463,8 @@ bool DetectCleanAskWave(uint8_t *dest, size_t size, uint8_t high, uint8_t low) {
     }
 
     if (!allArePeaks) {
-        if (cntPeaks > 250) return true;
+        if (g_debugMode == 2) prnt("DEBUG DetectCleanAskWave: peaks (200) %u", cntPeaks);
+        if (cntPeaks > 200) return true;
     }
     return allArePeaks;
 }

From 84753b91c041643b02dbba15948982d0df38aeed Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 5 Apr 2019 21:12:32 +0200
Subject: [PATCH 19/27] fix %u <> size_t compilation warning

---
 client/scripting.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/scripting.c b/client/scripting.c
index cf9b5c590..d4efac99f 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -797,7 +797,7 @@ static int l_T55xx_detect(lua_State *L) {
             if (size != 1)  return returnToLuaWithError(L, "Wrong size of useGB, got %d , expected 1", (int) size);
             sscanf(p_gb, "%u", &gb);
             useGB = ( gb ) ? true : false;
-            printf("p_gb size  %u | %c \n", size, useGB ? 'Y':'N');
+            printf("p_gb size  %zu | %c \n", size, useGB ? 'Y':'N');
         }
         case 1: {
             const char *p_pwd = luaL_checklstring(L, 1, &size);

From 404e92a0b1808c4119fe36d74c0d93b22ad61884 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 5 Apr 2019 22:37:41 +0200
Subject: [PATCH 20/27] utf8 Chinese... we might just translate it
 appropriately...

---
 common/i2c.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/common/i2c.c b/common/i2c.c
index 80fb2690c..ad0f8964c 100644
--- a/common/i2c.c
+++ b/common/i2c.c
@@ -26,7 +26,7 @@
 
 volatile unsigned long c;
 
-// 直接使用循环来延时，一个循环 6 条指令，48M， Delay=1 大概为 200kbps
+// 鐩存帴浣跨敤寰幆鏉ュ欢鏃讹紝涓�涓惊鐜� 6 鏉℃寚浠わ紝48M锛� Delay=1 澶ф涓� 200kbps
 // timer.
 // I2CSpinDelayClk(4) = 12.31us
 // I2CSpinDelayClk(1) = 3.07us
@@ -467,8 +467,7 @@ int16_t I2C_BufferRead(uint8_t *data, uint8_t len, uint8_t device_cmd, uint8_t d
         *data = (uint8_t)tmp & 0xFF;
 
         len--;
-
-        // 读取的第一个字节为后续长度
+        // 璇诲彇鐨勭涓�涓瓧鑺備负鍚庣画闀垮害
         // The first byte in response is the message length
         if (!readcount && (len > *data)) {
             len = *data;

From a738cdcdb2bf59c081c041b1be4ac373bc1dd11d Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 5 Apr 2019 22:44:50 +0200
Subject: [PATCH 21/27] Detecting weird codepages

---
 Makefile | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 2ad01ba5f..53bb2d559 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,7 @@ recovery/%: FORCE
 	$(MAKE) -C recovery $(patsubst recovery/%,%,$@)
 FORCE: # Dummy target to force remake in the subdirectories, even if files exist (this Makefile doesn't know about the prerequisites)
 
-.PHONY: all clean help _test bootrom flash-bootrom os flash-os flash-all recovery client mfkey nounce2key style FORCE
+.PHONY: all clean help _test bootrom flash-bootrom os flash-os flash-all recovery client mfkey nounce2key style checks FORCE
 
 help:
 	@echo "Multi-OS Makefile"
@@ -76,6 +76,8 @@ help:
 	@echo "+ mfkey         - Make tools/mfkey"
 	@echo "+ nounce2key    - Make tools/nounce2key"
 	@echo
+	@echo "+ style         - Apply some automated source code formatting rules"
+	@echo "+ checks        - Detect various encoding issues in source code"
 	@echo "Possible platforms: try \"make PLATFORM=\" for more info, default is PM3RDV4"
 
 client: client/all
@@ -138,5 +140,10 @@ style:
 	    --style=google --pad-oper --unpad-paren --pad-header \
 	    --align-pointer=name {} \;
 
+# Detecting weird codepages.
+checks:
+	find . \( -name "*.[ch]" -or -name "*.cpp" -or -name "*.lua" -or -name "*.py" -or -name "*.pl" -or -name "Makefile" \) \
+	      -exec sh -c "cat {} |recode utf8.. >/dev/null || echo {}" \;
+
 # Dummy target to test for GNU make availability
 _test:

From 7fa4b86df6868234728c30c3f4511688a8d46104 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 5 Apr 2019 22:45:42 +0200
Subject: [PATCH 22/27] textual

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 53bb2d559..77c205e68 100644
--- a/Makefile
+++ b/Makefile
@@ -78,6 +78,7 @@ help:
 	@echo
 	@echo "+ style         - Apply some automated source code formatting rules"
 	@echo "+ checks        - Detect various encoding issues in source code"
+	@echo
 	@echo "Possible platforms: try \"make PLATFORM=\" for more info, default is PM3RDV4"
 
 client: client/all

From 9ff5a4e2fa318c63ea0410f866db2fec4fc25903 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 5 Apr 2019 23:17:16 +0200
Subject: [PATCH 23/27] style

---
 client/ui.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/client/ui.c b/client/ui.c
index d0318dba5..216fbccff 100644
--- a/client/ui.c
+++ b/client/ui.c
@@ -21,6 +21,8 @@ bool showDemod = true;
 pthread_mutex_t print_lock = PTHREAD_MUTEX_INITIALIZER;
 static char *logfilename = "proxmark3.log";
 
+float complex cexpf(float complex Z);
+
 void PrintAndLogOptions(char *str[][2], size_t size, size_t space) {
     char buff[2000] = "Options:\n";
     char format[2000] = "";
@@ -53,7 +55,6 @@ void PrintAndLogEx(logLevel_t level, char *fmt, ...) {
     char buffer[MAX_PRINT_BUFFER] = {0};
     char buffer2[MAX_PRINT_BUFFER + 20] = {0};
     char *token = NULL;
-    int size = 0;
     //   {NORMAL, SUCCESS, INFO, FAILED, WARNING, ERR, DEBUG}
     static char *prefixes[7] = { "", "[+] ", "[=] ", "[-] ", "[!] ", "[!!] ", "[#] "};
 
@@ -101,7 +102,7 @@ void PrintAndLogEx(logLevel_t level, char *fmt, ...) {
 
         while (token != NULL) {
 
-            size = strlen(buffer2);
+            size_t size = strlen(buffer2);
 
             if (strlen(token))
                 snprintf(buffer2 + size, sizeof(buffer2) - size, "%s%s\n", prefix, token);
@@ -210,13 +211,11 @@ void iceIIR_Butterworth(int *data, const size_t len) {
     float b[3] = {0.003621681514929,  0.007243363029857, 0.003621681514929};
     float a[3] = {1.000000000000000, -1.822694925196308, 0.837181651256023};
 
-    float sample           = 0;      // input sample read from array
-    float complex x_prime  = 1.0f;   // save sample for estimating frequency
-    float complex x;
-
     for (i = 0; i < adjustedLen; ++i) {
 
-        sample = data[i];
+        float sample = data[i];          // input sample read from array
+        float complex x_prime  = 1.0f;   // save sample for estimating frequency
+        float complex x;
 
         // remove DC offset and mix to complex baseband
         x = (sample - 127.5f) * cexpf(_Complex_I * 2 * M_PI * fc * i);
@@ -251,18 +250,14 @@ void iceSimple_Filter(int *data, const size_t len, uint8_t k) {
 #define FILTER_SHIFT 4
 
     int32_t filter_reg = 0;
-    int16_t input, output;
     int8_t shift = (k <= 8) ? k : FILTER_SHIFT;
 
     for (int i = 0; i < len; ++i) {
-
-        input = data[i];
         // Update filter with current sample
-        filter_reg = filter_reg - (filter_reg >> shift) + input;
+        filter_reg = filter_reg - (filter_reg >> shift) + data[i];
 
         // Scale output for unity gain
-        output = filter_reg >> shift;
-        data[i] = output;
+        data[i] = filter_reg >> shift;
     }
 }
 

From 7effdfc2751cc8edee3039e111f93cad62ce1bf4 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 5 Apr 2019 23:29:19 +0200
Subject: [PATCH 24/27] style

---
 uart/uart_posix.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/uart/uart_posix.c b/uart/uart_posix.c
index 4c9e8b990..fc5eced7f 100644
--- a/uart/uart_posix.c
+++ b/uart/uart_posix.c
@@ -231,7 +231,6 @@ void uart_close(const serial_port sp) {
 }
 
 bool uart_receive(const serial_port sp, uint8_t *pbtRx, size_t pszMaxRxLen, size_t *pszRxLen) {
-    int res;
     int byteCount;
     fd_set rfds;
     struct timeval tv;
@@ -244,7 +243,7 @@ bool uart_receive(const serial_port sp, uint8_t *pbtRx, size_t pszMaxRxLen, size
         FD_ZERO(&rfds);
         FD_SET(((serial_port_unix *)sp)->fd, &rfds);
         tv = timeout;
-        res = select(((serial_port_unix *)sp)->fd + 1, &rfds, NULL, NULL, &tv);
+        int res = select(((serial_port_unix *)sp)->fd + 1, &rfds, NULL, NULL, &tv);
 
         // Read error
         if (res < 0) {
@@ -290,7 +289,6 @@ bool uart_receive(const serial_port sp, uint8_t *pbtRx, size_t pszMaxRxLen, size
 }
 
 bool uart_send(const serial_port sp, const uint8_t *pbtTx, const size_t len) {
-    int32_t res;
     size_t pos = 0;
     fd_set rfds;
     struct timeval tv;
@@ -300,7 +298,7 @@ bool uart_send(const serial_port sp, const uint8_t *pbtTx, const size_t len) {
         FD_ZERO(&rfds);
         FD_SET(((serial_port_unix *)sp)->fd, &rfds);
         tv = timeout;
-        res = select(((serial_port_unix *)sp)->fd + 1, NULL, &rfds, NULL, &tv);
+        int res = select(((serial_port_unix *)sp)->fd + 1, NULL, &rfds, NULL, &tv);
 
         // Write error
         if (res < 0) {

From 366c1ec901a021b1c3ad10428406585aae0e6bf8 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Sat, 6 Apr 2019 00:07:48 +0200
Subject: [PATCH 25/27] style

---
 client/mifare/mifarehost.c | 53 ++++++++++++++------------------------
 client/mifare/mifarehost.h |  2 +-
 tools/nonce2key/crapto1.c  | 35 ++++++++++++-------------
 tools/nonce2key/crypto1.c  |  2 +-
 4 files changed, 37 insertions(+), 55 deletions(-)

diff --git a/client/mifare/mifarehost.c b/client/mifare/mifarehost.c
index 905fdcc82..de2ac2cfa 100644
--- a/client/mifare/mifarehost.c
+++ b/client/mifare/mifarehost.c
@@ -15,8 +15,6 @@ int mfDarkside(uint8_t blockno, uint8_t key_type, uint64_t *key) {
     uint32_t nt = 0, nr = 0, ar = 0;
     uint64_t par_list = 0, ks_list = 0;
     uint64_t *keylist = NULL, *last_keylist = NULL;
-    uint32_t keycount = 0;
-    int16_t isOK = 0;
 
     UsbCommand c = {CMD_READER_MIFARE, {true, blockno, key_type}};
 
@@ -49,7 +47,7 @@ int mfDarkside(uint8_t blockno, uint8_t key_type, uint64_t *key) {
 
             UsbCommand resp;
             if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
-                isOK  = resp.arg[0];
+                int16_t isOK  = resp.arg[0];
                 if (isOK < 0)
                     return isOK;
 
@@ -69,7 +67,7 @@ int mfDarkside(uint8_t blockno, uint8_t key_type, uint64_t *key) {
         }
         c.arg[0] = false;
 
-        keycount = nonce2key(uid, nt, nr, ar, par_list, ks_list, &keylist);
+        uint32_t keycount = nonce2key(uid, nt, nr, ar, par_list, ks_list, &keylist);
 
         if (keycount == 0) {
             PrintAndLogEx(FAILED, "key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
@@ -502,14 +500,13 @@ int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, uint8_
 
 int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, uint8_t params) {
 
-    uint8_t isOK = 0;
     UsbCommand c = {CMD_MIFARE_CSETBLOCK, {params, blockNo, 0}};
     memcpy(c.d.asBytes, data, 16);
     clearCommandBuffer();
     SendCommand(&c);
     UsbCommand resp;
     if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
-        isOK  = resp.arg[0] & 0xff;
+        uint8_t isOK  = resp.arg[0] & 0xff;
         if (uid != NULL)
             memcpy(uid, resp.d.asBytes, 4);
         if (!isOK)
@@ -522,13 +519,12 @@ int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, uint8_t params) {
 }
 
 int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params) {
-    uint8_t isOK = 0;
     UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, blockNo, 0}};
     clearCommandBuffer();
     SendCommand(&c);
     UsbCommand resp;
     if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
-        isOK  = resp.arg[0] & 0xff;
+        uint8_t isOK  = resp.arg[0] & 0xff;
         if (!isOK)
             return 2;
         memcpy(data, resp.d.asBytes, 16);
@@ -555,15 +551,8 @@ static uint8_t traceCurKey = 0;
 
 struct Crypto1State *traceCrypto1 = NULL;
 struct Crypto1State *revstate = NULL;
-uint64_t key = 0;
-uint32_t ks2 = 0;
-uint32_t ks3 = 0;
 
 uint32_t cuid = 0;    // uid part used for crypto1.
-uint32_t nt = 0;      // tag challenge
-uint32_t nr_enc = 0;  // encrypted reader challenge
-uint32_t ar_enc = 0;  // encrypted reader response
-uint32_t at_enc = 0;  // encrypted tag response
 
 int isTraceCardEmpty(void) {
     return ((traceCard[0] == 0) && (traceCard[1] == 0) && (traceCard[2] == 0) && (traceCard[3] == 0));
@@ -605,18 +594,14 @@ int loadTraceCard(uint8_t *tuid, uint8_t uidlen) {
         memset(buf, 0, sizeof(buf));
         if (fgets(buf, sizeof(buf), f) == NULL) {
             PrintAndLogEx(FAILED, "No trace file found or reading error.");
-            if (f) {
-                fclose(f);
-            }
+            fclose(f);
             return 2;
         }
 
         if (strlen(buf) < 32) {
             if (feof(f)) break;
             PrintAndLogEx(FAILED, "File content error. Block data must include 32 HEX symbols");
-            if (f) {
-                fclose(f);
-            }
+            fclose(f);
             return 2;
         }
         for (i = 0; i < 32; i += 2) {
@@ -628,9 +613,7 @@ int loadTraceCard(uint8_t *tuid, uint8_t uidlen) {
 
         blockNum++;
     }
-    if (f) {
-        fclose(f);
-    }
+    fclose(f);
     return 0;
 }
 
@@ -677,14 +660,11 @@ int mfTraceInit(uint8_t *tuid, uint8_t uidlen, uint8_t *atqa, uint8_t sak, bool
 }
 
 void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted) {
-    uint8_t bt = 0;
-    int i;
-
     if (len != 1) {
-        for (i = 0; i < len; i++)
+        for (int i = 0; i < len; i++)
             data[i] = crypto1_byte(pcs, 0x00, isEncrypted) ^ data[i];
     } else {
-        bt = 0;
+        uint8_t bt = 0;
         bt |= (crypto1_bit(pcs, 0, isEncrypted) ^ BIT(data[0], 0)) << 0;
         bt |= (crypto1_bit(pcs, 0, isEncrypted) ^ BIT(data[0], 1)) << 1;
         bt |= (crypto1_bit(pcs, 0, isEncrypted) ^ BIT(data[0], 2)) << 2;
@@ -694,7 +674,10 @@ void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool i
 }
 
 int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
-
+    uint32_t nt = 0;      // tag challenge
+    uint32_t nr_enc = 0;  // encrypted reader challenge
+    uint32_t ar_enc = 0;  // encrypted reader response
+    uint32_t at_enc = 0;  // encrypted tag response
     if (traceState == TRACE_ERROR)
         return 1;
 
@@ -813,11 +796,13 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
         case TRACE_AUTH_OK:
             if (len == 4) {
                 traceState = TRACE_IDLE;
+                // encrypted tag response
                 at_enc = bytes_to_num(data, 4);
 
                 //  mfkey64 recover key.
-                ks2 = ar_enc ^ prng_successor(nt, 64);
-                ks3 = at_enc ^ prng_successor(nt, 96);
+                uint64_t key = 0;
+                uint32_t ks2 = ar_enc ^ prng_successor(nt, 64);
+                uint32_t ks3 = at_enc ^ prng_successor(nt, 96);
                 revstate = lfsr_recovery64(ks2, ks3);
                 lfsr_rollback_word(revstate, 0, 0);
                 lfsr_rollback_word(revstate, 0, 0);
@@ -865,8 +850,8 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
 int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len) {
     PrintAndLogEx(SUCCESS, "\nencrypted data: [%s]", sprint_hex(data, len));
     struct Crypto1State *s;
-    ks2 = ar_enc ^ prng_successor(nt, 64);
-    ks3 = at_enc ^ prng_successor(nt, 96);
+    uint32_t ks2 = ar_enc ^ prng_successor(nt, 64);
+    uint32_t ks3 = at_enc ^ prng_successor(nt, 96);
     s = lfsr_recovery64(ks2, ks3);
     mf_crypto1_decrypt(s, data, len, false);
     PrintAndLogEx(SUCCESS, "decrypted data: [%s]", sprint_hex(data, len));
diff --git a/client/mifare/mifarehost.h b/client/mifare/mifarehost.h
index 626d2cd07..7481647ad 100644
--- a/client/mifare/mifarehost.h
+++ b/client/mifare/mifarehost.h
@@ -70,7 +70,7 @@ typedef struct {
 extern char logHexFileName[FILE_PATH_SIZE];
 
 extern int mfDarkside(uint8_t blockno, uint8_t key_type, uint64_t *key);
-extern int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *ResultKeys, bool calibrate);
+extern int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *resultKeys, bool calibrate);
 extern int mfCheckKeys(uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t keycnt, uint8_t *keyBlock, uint64_t *key);
 extern int mfCheckKeys_fast(uint8_t sectorsCnt, uint8_t firstChunk, uint8_t lastChunk,
                             uint8_t strategy, uint32_t size, uint8_t *keyBlock, sector_t *e_sector, bool use_flashmemory);
diff --git a/tools/nonce2key/crapto1.c b/tools/nonce2key/crapto1.c
index 559e12872..9026a57bb 100644
--- a/tools/nonce2key/crapto1.c
+++ b/tools/nonce2key/crapto1.c
@@ -77,10 +77,9 @@ static void bucket_sort_intersect(uint32_t *const estart, uint32_t *const estop,
 
     // write back intersecting buckets as sorted list.
     // fill in bucket_info with head and tail of the bucket contents in the list and number of non-empty buckets.
-    uint32_t nonempty_bucket;
     for (uint32_t i = 0; i < 2; i++) {
         p1 = start[i];
-        nonempty_bucket = 0;
+        uint32_t nonempty_bucket = 0;
         for (uint32_t j = 0x00; j <= 0xff; j++) {
             if (bucket[0][j].bp != bucket[0][j].head && bucket[1][j].bp != bucket[1][j].head) { // non-empty intersecting buckets only
                 bucket_info->bucket_info[i][nonempty_bucket].head = p1;
@@ -146,13 +145,12 @@ static struct Crypto1State *
 recover(uint32_t *o_head, uint32_t *o_tail, uint32_t oks,
         uint32_t *e_head, uint32_t *e_tail, uint32_t eks, int rem,
         struct Crypto1State *sl, uint32_t in, bucket_array_t bucket) {
-    uint32_t *o, *e;
     bucket_info_t bucket_info;
 
     if (rem == -1) {
-        for (e = e_head; e <= e_tail; ++e) {
-            *e = *e << 1 ^ parity(*e & LF_POLY_EVEN) ^ !!(in & 4);
-            for (o = o_head; o <= o_tail; ++o, ++sl) {
+        for (uint32_t *e = e_head; e <= e_tail; ++e) {
+            *e = *e << 1 ^ parity(*e & LF_POLY_EVEN) ^ (!!(in & 4));
+            for (uint32_t *o = o_head; o <= o_tail; ++o, ++sl) {
                 sl->even = *o;
                 sl->odd = *e ^ parity(*o & LF_POLY_ODD);
                 sl[1].odd = sl[1].even = 0;
@@ -193,12 +191,11 @@ struct Crypto1State *lfsr_recovery32(uint32_t ks2, uint32_t in) {
     struct Crypto1State *statelist;
     uint32_t *odd_head = 0, *odd_tail = 0, oks = 0;
     uint32_t *even_head = 0, *even_tail = 0, eks = 0;
-    int i;
 
     // split the keystream into an odd and even part
-    for (i = 31; i >= 0; i -= 2)
+    for (int i = 31; i >= 0; i -= 2)
         oks = oks << 1 | BEBIT(ks2, i);
-    for (i = 30; i >= 0; i -= 2)
+    for (int i = 30; i >= 0; i -= 2)
         eks = eks << 1 | BEBIT(ks2, i);
 
     odd_head = odd_tail = malloc(sizeof(uint32_t) << 21);
@@ -225,7 +222,7 @@ struct Crypto1State *lfsr_recovery32(uint32_t ks2, uint32_t in) {
     }
 
     // initialize statelists: add all possible states which would result into the rightmost 2 bits of the keystream
-    for (i = 1 << 20; i >= 0; --i) {
+    for (int i = 1 << 20; i >= 0; --i) {
         if (filter(i) == (oks & 1))
             *++odd_tail = i;
         if (filter(i) == (eks & 1))
@@ -233,7 +230,7 @@ struct Crypto1State *lfsr_recovery32(uint32_t ks2, uint32_t in) {
     }
 
     // extend the statelists. Look at the next 8 Bits of the keystream (4 Bit each odd and even):
-    for (i = 0; i < 4; i++) {
+    for (uint8_t i = 0; i < 4; i++) {
         extend_table_simple(odd_head,  &odd_tail, (oks >>= 1) & 1);
         extend_table_simple(even_head, &even_tail, (eks >>= 1) & 1);
     }
@@ -362,7 +359,7 @@ uint8_t lfsr_rollback_bit(struct Crypto1State *s, uint32_t in, int fb) {
     out ^= LF_POLY_EVEN & (s->even >>= 1);
     out ^= LF_POLY_ODD & s->odd;
     out ^= !!in;
-    out ^= (ret = filter(s->odd)) & !!fb;
+    out ^= (ret = filter(s->odd)) & (!!fb);
 
     s->even |= parity(out) << 23;
     return ret;
@@ -498,21 +495,21 @@ uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd) {
  * helper function which eliminates possible secret states using parity bits
  */
 static struct Crypto1State *check_pfx_parity(uint32_t prefix, uint32_t rresp, uint8_t parities[8][8], uint32_t odd, uint32_t even, struct Crypto1State *sl) {
-    uint32_t ks1, nr, ks2, rr, ks3, c, good = 1;
+    uint32_t good = 1;
 
-    for (c = 0; good && c < 8; ++c) {
+    for (uint32_t c = 0; good && c < 8; ++c) {
         sl->odd = odd ^ fastfwd[1][c];
         sl->even = even ^ fastfwd[0][c];
 
         lfsr_rollback_bit(sl, 0, 0);
         lfsr_rollback_bit(sl, 0, 0);
 
-        ks3 = lfsr_rollback_bit(sl, 0, 0);
-        ks2 = lfsr_rollback_word(sl, 0, 0);
-        ks1 = lfsr_rollback_word(sl, prefix | c << 5, 1);
+        uint32_t ks3 = lfsr_rollback_bit(sl, 0, 0);
+        uint32_t ks2 = lfsr_rollback_word(sl, 0, 0);
+        uint32_t ks1 = lfsr_rollback_word(sl, prefix | c << 5, 1);
 
-        nr = ks1 ^ (prefix | c << 5);
-        rr = ks2 ^ rresp;
+        uint32_t nr = ks1 ^ (prefix | c << 5);
+        uint32_t rr = ks2 ^ rresp;
 
         good &= parity(nr & 0x000000ff) ^ parities[c][3] ^ BIT(ks2, 24);
         good &= parity(rr & 0xff000000) ^ parities[c][4] ^ BIT(ks2, 16);
diff --git a/tools/nonce2key/crypto1.c b/tools/nonce2key/crypto1.c
index cdb0ffc14..0c3f97b88 100644
--- a/tools/nonce2key/crypto1.c
+++ b/tools/nonce2key/crypto1.c
@@ -49,7 +49,7 @@ uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted) {
     uint32_t tmp;
     uint8_t ret = filter(s->odd);
 
-    feedin  = ret & !!is_encrypted;
+    feedin  = ret & (!!is_encrypted);
     feedin ^= !!in;
     feedin ^= LF_POLY_ODD & s->odd;
     feedin ^= LF_POLY_EVEN & s->even;

From 38f6fd037f7246b6ba5828c1c83a98e8342b912f Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Sat, 6 Apr 2019 00:14:07 +0200
Subject: [PATCH 26/27] style

---
 common/wiegand.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/common/wiegand.c b/common/wiegand.c
index 3e90c61b6..cd4fb3eb6 100644
--- a/common/wiegand.c
+++ b/common/wiegand.c
@@ -72,20 +72,20 @@ size_t removeParity(uint8_t *bits, size_t startIdx, uint8_t pLen, uint8_t pType,
 // Make sure *dest is long enough to store original sourceLen + #_of_parities_to_be_added
 /*
 * @brief addParity
-* @param bits       pointer to the source bitstream of binary values
+* @param src        pointer to the source bitstream of binary values
 * @param dest       pointer to the destination where parities together with bits are added.
 * @param sourceLen  number of
 * @param pLen       length bits to be checked
 * @param pType      EVEN|ODD|2 (always 1's)|3 (always 0's)
 * @return
 */
-size_t addParity(uint8_t *bits, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType) {
+size_t addParity(uint8_t *src, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType) {
     uint32_t parityWd = 0;
     size_t j = 0, bitCnt = 0;
     for (int word = 0; word < sourceLen; word += pLen - 1) {
         for (int bit = 0; bit < pLen - 1; ++bit) {
-            parityWd = (parityWd << 1) | bits[word + bit];
-            dest[j++] = (bits[word + bit]);
+            parityWd = (parityWd << 1) | src[word + bit];
+            dest[j++] = (src[word + bit]);
         }
 
         // if parity fails then return 0

From 682f23440deae5306503de929b5549c116a4d1e6 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Sat, 6 Apr 2019 00:23:01 +0200
Subject: [PATCH 27/27] style

---
 common/lfdemod.c | 26 +++++++++++++-------------
 common/lfdemod.h |  2 +-
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/common/lfdemod.c b/common/lfdemod.c
index a0dea9d9d..17e38caa7 100644
--- a/common/lfdemod.c
+++ b/common/lfdemod.c
@@ -521,12 +521,12 @@ int DetectStrongAskClock(uint8_t *dest, size_t size, int high, int low, int *clo
 
         int foo = getClosestClock(minClk);
         if (foo > 0) {
-            for (uint8_t i = 0; i < 10; i++) {
-                if (tmpclk[i][0] == foo) {
-                    tmpclk[i][1]++;
+            for (uint8_t j = 0; j < 10; j++) {
+                if (tmpclk[j][0] == foo) {
+                    tmpclk[j][1]++;
 
-                    if (tmpclk[i][2] == 0) {
-                        tmpclk[i][2] = shortestWaveIdx;
+                    if (tmpclk[j][2] == 0) {
+                        tmpclk[j][2] = shortestWaveIdx;
                     }
                     break;
                 }
@@ -536,18 +536,18 @@ int DetectStrongAskClock(uint8_t *dest, size_t size, int high, int low, int *clo
 
     // find the clock with most hits and it the first index it was encountered.
     int max = 0;
-    for (uint8_t i = 0; i < 10; i++) {
+    for (uint8_t j = 0; j < 10; j++) {
         if (g_debugMode == 2) {
             prnt("DEBUG, ASK,  clocks %u | hits %u | idx %u"
-                 , tmpclk[i][0]
-                 , tmpclk[i][1]
-                 , tmpclk[i][2]
+                 , tmpclk[j][0]
+                 , tmpclk[j][1]
+                 , tmpclk[j][2]
                 );
         }
-        if (max < tmpclk[i][1]) {
-            *clock = tmpclk[i][0];
-            shortestWaveIdx = tmpclk[i][2];
-            max = tmpclk[i][1];
+        if (max < tmpclk[j][1]) {
+            *clock = tmpclk[j][0];
+            shortestWaveIdx = tmpclk[j][2];
+            max = tmpclk[j][1];
         }
     }
 
diff --git a/common/lfdemod.h b/common/lfdemod.h
index 6256aa0bc..9a807a02c 100644
--- a/common/lfdemod.h
+++ b/common/lfdemod.h
@@ -79,7 +79,7 @@ extern size_t   removeParity(uint8_t *bits, size_t startIdx, uint8_t pLen, uint8
 
 //tag specific
 extern int detectAWID(uint8_t *dest, size_t *size, int *waveStartIdx);
-extern int Em410xDecode(uint8_t *dest, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
+extern int Em410xDecode(uint8_t *bits, size_t *size, size_t *start_idx, uint32_t *hi, uint64_t *lo);
 extern int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo, int *waveStartIdx);
 extern int detectIdteck(uint8_t *dest, size_t *size);
 extern int detectIOProx(uint8_t *dest, size_t *size, int *waveStartIdx);