default up to enabled

.all-contributorsrc

@@ -187,16 +187,6 @@
       "contributions": [
         "bug"
       ]
-    },
-    {
-      "login": "jolo1581",
-      "name": "Jan A.",
-      "avatar_url": "https://avatars1.githubusercontent.com/u/53423977?v=4",
-      "profile": "https://github.com/jolo1581",
-      "contributions": [
-        "code",
-        "doc"
-      ]
     }
   ],
   "contributorsPerLine": 7,

Makefile

@@ -39,7 +39,7 @@ INCLUDES += -I./crypto/cifra/src
 
 CFLAGS += $(INCLUDES)
 # for crypto/tiny-AES-c
-CFLAGS += -DAES256=1 -DAPP_CONFIG=\"app.h\" -DSOLO_EXPERIMENTAL=1
+CFLAGS += -DAES256=1 -DAPP_CONFIG=\"app.h\"
 
 name = main
 

README.md

@@ -136,7 +136,6 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="http://blogs.gnome.org/hughsie/"><img src="https://avatars0.githubusercontent.com/u/151380?v=4" width="100px;" alt="Richard Hughes"/><br /><sub><b>Richard Hughes</b></sub></a><br /><a href="#ideas-hughsie" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/solokeys/solo/commits?author=hughsie" title="Code">💻</a> <a href="#infra-hughsie" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#tool-hughsie" title="Tools">🔧</a></td>
     <td align="center"><a href="http://www.schulz.dk"><img src="https://avatars1.githubusercontent.com/u/1150049?v=4" width="100px;" alt="Kim Schulz"/><br /><sub><b>Kim Schulz</b></sub></a><br /><a href="#business-kimusan" title="Business development">💼</a> <a href="#ideas-kimusan" title="Ideas, Planning, & Feedback">🤔</a></td>
     <td align="center"><a href="https://github.com/oplik0"><img src="https://avatars2.githubusercontent.com/u/25460763?v=4" width="100px;" alt="Jakub"/><br /><sub><b>Jakub</b></sub></a><br /><a href="https://github.com/solokeys/solo/issues?q=author%3Aoplik0" title="Bug reports">🐛</a></td>
-    <td align="center"><a href="https://github.com/jolo1581"><img src="https://avatars1.githubusercontent.com/u/53423977?v=4" width="100px;" alt="Jan A."/><br /><sub><b>Jan A.</b></sub></a><br /><a href="https://github.com/solokeys/solo/commits?author=jolo1581" title="Code">💻</a> <a href="https://github.com/solokeys/solo/commits?author=jolo1581" title="Documentation">📖</a></td>
   </tr>
 </table>
 
@@ -170,7 +169,7 @@ You can buy Solo, Solo Tap, and Solo for Hackers at [solokeys.com](https://solok
 <br/>
 
 [![License](https://img.shields.io/github/license/solokeys/solo.svg)](https://github.com/solokeys/solo/blob/master/LICENSE)
-[![All Contributors](https://img.shields.io/badge/all_contributors-20-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-19-orange.svg?style=flat-square)](#contributors)
 [![Build Status](https://travis-ci.com/solokeys/solo.svg?branch=master)](https://travis-ci.com/solokeys/solo)
 [![Discourse Users](https://img.shields.io/discourse/https/discourse.solokeys.com/users.svg)](https://discourse.solokeys.com)
 [![Keybase Chat](https://img.shields.io/badge/chat-on%20keybase-brightgreen.svg)](https://keybase.io/team/solokeys.public)

STABLE_VERSION

@@ -1 +1 @@
-2.5.3
+2.5.2

docs/solo/udev.md

@@ -18,7 +18,7 @@ Further progress is tracked in: <https://github.com/solokeys/solo/issues/144>.
 If you still need to setup a rule, a simple way to do it is:
 
 ```
-git clone https://github.com/solokeys/solo.git
+git clone git@github.com:solokeys/solo.git
 cd solo/udev
 make setup
 ```

fido2/ctap.c

@@ -1761,28 +1761,11 @@ static void ctap_state_init()
 
     printf1(TAG_STOR, "Generated PIN SALT: ");
     dump_hex1(TAG_STOR, STATE.PIN_SALT, sizeof STATE.PIN_SALT);
+
 }
 
-/** Overwrite master secret from external source.
- * @param keybytes an array of KEY_SPACE_BYTES length.
- * 
- * This function should only be called from a privilege mode.
-*/
-void ctap_load_external_keys(uint8_t * keybytes){
-    memmove(STATE.key_space, keybytes, KEY_SPACE_BYTES);
-    authenticator_write_state(&STATE, 0);
-    authenticator_write_state(&STATE, 1);
-    crypto_load_master_secret(STATE.key_space);
-}
-
-#include "version.h"
 void ctap_init()
 {
-    printf1(TAG_ERR,"Current firmware version address: %p\r\n", &firmware_version);
-    printf1(TAG_ERR,"Current firmware version: %d.%d.%d.%d (%02x.%02x.%02x.%02x)\r\n",
-            firmware_version.major, firmware_version.minor, firmware_version.patch, firmware_version.reserved,
-            firmware_version.major, firmware_version.minor, firmware_version.patch, firmware_version.reserved
-            );
     crypto_ecc256_init();
 
     authenticator_read_state(&STATE);

fido2/ctap.h

@@ -361,6 +361,4 @@ extern uint8_t KEY_AGREEMENT_PUB[64];
 
 void lock_device_permanently();
 
-void ctap_load_external_keys(uint8_t * keybytes);
-
 #endif

fido2/ctaphid.c

@@ -539,14 +539,11 @@ extern void _check_ret(CborError ret, int line, const char * filename);
 #define check_hardcore(r)   _check_ret(r,__LINE__, __FILE__);\
                             if ((r) != CborNoError) exit(1);
 
-
-uint8_t ctaphid_custom_command(int len, CTAP_RESPONSE * ctap_resp, CTAPHID_WRITE_BUFFER * wb);
-
 uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
 {
-    uint8_t cmd = 0;
+    uint8_t cmd;
     uint32_t cid;
-    int len = 0;
+    int len;
 #ifndef DISABLE_CTAPHID_CBOR
     int status;
 #endif
@@ -556,10 +553,6 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
     CTAP_RESPONSE ctap_resp;
 
     int bufstatus = ctaphid_buffer_packet(pkt_raw, &cmd, &cid, &len);
-    ctaphid_write_buffer_init(&wb);
-
-    wb.cid = cid;
-    wb.cmd = cmd;
 
     if (bufstatus == HID_IGNORE)
     {
@@ -595,6 +588,9 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
         case CTAPHID_PING:
             printf1(TAG_HID,"CTAPHID_PING\n");
 
+            ctaphid_write_buffer_init(&wb);
+            wb.cid = cid;
+            wb.cmd = CTAPHID_PING;
             wb.bcnt = len;
             timestamp();
             ctaphid_write(&wb, ctap_buffer, len);
@@ -607,9 +603,13 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
         case CTAPHID_WINK:
             printf1(TAG_HID,"CTAPHID_WINK\n");
 
+            ctaphid_write_buffer_init(&wb);
 
             device_wink();
 
+            wb.cid = cid;
+            wb.cmd = CTAPHID_WINK;
+
             ctaphid_write(&wb,NULL,0);
 
             break;
@@ -634,6 +634,9 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
             ctap_response_init(&ctap_resp);
             status = ctap_request(ctap_buffer, len, &ctap_resp);
 
+            ctaphid_write_buffer_init(&wb);
+            wb.cid = cid;
+            wb.cmd = CTAPHID_CBOR;
             wb.bcnt = (ctap_resp.length+1);
 
 
@@ -664,6 +667,9 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
             ctap_response_init(&ctap_resp);
             u2f_request((struct u2f_request_apdu*)ctap_buffer, &ctap_resp);
 
+            ctaphid_write_buffer_init(&wb);
+            wb.cid = cid;
+            wb.cmd = CTAPHID_MSG;
             wb.bcnt = (ctap_resp.length);
 
             ctaphid_write(&wb, ctap_resp.data, ctap_resp.length);
@@ -674,14 +680,76 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
             printf1(TAG_HID,"CTAPHID_CANCEL\n");
             is_busy = 0;
             break;
+#if defined(IS_BOOTLOADER)
+        case CTAPHID_BOOT:
+            printf1(TAG_HID,"CTAPHID_BOOT\n");
+            ctap_response_init(&ctap_resp);
+            u2f_set_writeback_buffer(&ctap_resp);
+            is_busy = bootloader_bridge(len, ctap_buffer);
+
+            ctaphid_write_buffer_init(&wb);
+            wb.cid = cid;
+            wb.cmd = CTAPHID_BOOT;
+            wb.bcnt = (ctap_resp.length + 1);
+            ctaphid_write(&wb, &is_busy, 1);
+            ctaphid_write(&wb, ctap_resp.data, ctap_resp.length);
+            ctaphid_write(&wb, NULL, 0);
+            is_busy = 0;
+        break;
+#endif
+#if defined(SOLO_HACKER)
+        case CTAPHID_ENTERBOOT:
+            printf1(TAG_HID,"CTAPHID_ENTERBOOT\n");
+            boot_solo_bootloader();
+            ctaphid_write_buffer_init(&wb);
+            wb.cid = cid;
+            wb.cmd = CTAPHID_ENTERBOOT;
+            wb.bcnt = 0;
+            ctaphid_write(&wb, NULL, 0);
+            is_busy = 0;
+        break;
+        case CTAPHID_ENTERSTBOOT:
+            printf1(TAG_HID,"CTAPHID_ENTERBOOT\n");
+            boot_st_bootloader();
+        break;
+#endif
+#if !defined(IS_BOOTLOADER)
+        case CTAPHID_GETRNG:
+            printf1(TAG_HID,"CTAPHID_GETRNG\n");
+            ctap_response_init(&ctap_resp);
+            ctaphid_write_buffer_init(&wb);
+            wb.cid = cid;
+            wb.cmd = CTAPHID_GETRNG;
+            wb.bcnt = ctap_buffer[0];
+            if (!wb.bcnt)
+                wb.bcnt = 57;
+            memset(ctap_buffer,0,wb.bcnt);
+            ctap_generate_rng(ctap_buffer, wb.bcnt);
+            ctaphid_write(&wb, &ctap_buffer, wb.bcnt);
+            ctaphid_write(&wb, NULL, 0);
+            is_busy = 0;
+        break;
+#endif
+
+        case CTAPHID_GETVERSION:
+            printf1(TAG_HID,"CTAPHID_GETVERSION\n");
+            ctap_response_init(&ctap_resp);
+            ctaphid_write_buffer_init(&wb);
+            wb.cid = cid;
+            wb.cmd = CTAPHID_GETVERSION;
+            wb.bcnt = 3;
+            ctap_buffer[0] = SOLO_VERSION_MAJ;
+            ctap_buffer[1] = SOLO_VERSION_MIN;
+            ctap_buffer[2] = SOLO_VERSION_PATCH;
+            ctaphid_write(&wb, &ctap_buffer, 3);
+            ctaphid_write(&wb, NULL, 0);
+            is_busy = 0;
+        break;
 
         default:
-            if (ctaphid_custom_command(len, &ctap_resp, &wb) != 0){
+            printf2(TAG_ERR,"error, unimplemented HID cmd: %02x\r\n", buffer_cmd());
-                is_busy = 0;
+            ctaphid_send_error(cid, CTAP1_ERR_INVALID_COMMAND);
-            }else{
+            break;
-                printf2(TAG_ERR, "error, unimplemented HID cmd: %02x\r\n", buffer_cmd());
-                ctaphid_send_error(cid, CTAP1_ERR_INVALID_COMMAND);
-            }
     }
     cid_del(cid);
     buffer_reset();
@@ -691,112 +759,3 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
     else return 0;
 
 }
-
-uint8_t ctaphid_custom_command(int len, CTAP_RESPONSE * ctap_resp, CTAPHID_WRITE_BUFFER * wb)
-{
-    ctap_response_init(ctap_resp);
-
-#if !defined(IS_BOOTLOADER) && (defined(SOLO_HACKER) || defined(SOLO_EXPERIMENTAL))
-    uint32_t param;
-#endif
-#if defined(IS_BOOTLOADER)
-    uint8_t is_busy;
-#endif
-
-    switch(wb->cmd)
-    {
-#if defined(IS_BOOTLOADER)
-        case CTAPHID_BOOT:
-            printf1(TAG_HID,"CTAPHID_BOOT\n");
-            u2f_set_writeback_buffer(ctap_resp);
-            is_busy = bootloader_bridge(len, ctap_buffer);
-
-            ctaphid_write(wb, &is_busy, 1);
-            ctaphid_write(wb, ctap_resp->data, ctap_resp->length);
-            ctaphid_write(wb, NULL, 0);
-            return 1;
-#endif
-#if defined(SOLO_HACKER)
-        case CTAPHID_ENTERBOOT:
-            printf1(TAG_HID,"CTAPHID_ENTERBOOT\n");
-            boot_solo_bootloader();
-            wb->bcnt = 0;
-            ctaphid_write(wb, NULL, 0);
-            return 1;
-        case CTAPHID_ENTERSTBOOT:
-            printf1(TAG_HID,"CTAPHID_ENTERBOOT\n");
-            boot_st_bootloader();
-            return 1;
-#endif
-
-#if !defined(IS_BOOTLOADER)
-        case CTAPHID_GETRNG:
-            printf1(TAG_HID,"CTAPHID_GETRNG\n");
-            wb->bcnt = ctap_buffer[0];
-            if (!wb->bcnt)
-                wb->bcnt = 57;
-            memset(ctap_buffer,0,wb->bcnt);
-            ctap_generate_rng(ctap_buffer, wb->bcnt);
-            ctaphid_write(wb, ctap_buffer, wb->bcnt);
-            ctaphid_write(wb, NULL, 0);
-            return 1;
-        break;
-#endif
-
-        case CTAPHID_GETVERSION:
-            printf1(TAG_HID,"CTAPHID_GETVERSION\n");
-            wb->bcnt = 3;
-            ctap_buffer[0] = SOLO_VERSION_MAJ;
-            ctap_buffer[1] = SOLO_VERSION_MIN;
-            ctap_buffer[2] = SOLO_VERSION_PATCH;
-            ctaphid_write(wb, ctap_buffer, 3);
-            ctaphid_write(wb, NULL, 0);
-            return 1;
-        break;
-
-#if !defined(IS_BOOTLOADER) && (defined(SOLO_HACKER) || defined(SOLO_EXPERIMENTAL))
-        case CTAPHID_LOADKEY:
-            /**
-             * Load external key.  Useful for enabling backups.
-             * bytes:            4                   96
-             * payload: | counter_increase (BE) | master_key |
-             * 
-             * Counter should be increased by a large amount, e.g. (0x10000000)
-             * to outdo any previously lost/broken keys.
-            */
-            printf1(TAG_HID,"CTAPHID_LOADKEY\n");
-            if (len != 100)
-            {
-                printf2(TAG_ERR,"Error, invalid length.\n");
-                ctaphid_send_error(wb->cid, CTAP1_ERR_INVALID_LENGTH);
-                return 1;
-            }
-
-            // Ask for THREE button presses
-            if (ctap_user_presence_test(8000) > 0)
-                if (ctap_user_presence_test(8000) > 0)
-                    if (ctap_user_presence_test(8000) > 0)
-                    {
-                        ctap_load_external_keys(ctap_buffer + 4);
-                        param = ctap_buffer[3];
-                        param |= ctap_buffer[2] << 8;
-                        param |= ctap_buffer[1] << 16;
-                        param |= ctap_buffer[0] << 24;
-                        ctap_atomic_count(param);
-
-                        wb->bcnt = 0;
-
-                        ctaphid_write(wb, NULL, 0);
-                        return 1;
-                    }
-
-            printf2(TAG_ERR, "Error, invalid length.\n");
-            ctaphid_send_error(wb->cid, CTAP2_ERR_OPERATION_DENIED);
-            return 1;
-#endif
-
-
-        }
-
-        return 0;
-}

fido2/ctaphid.h

@@ -29,7 +29,6 @@
 #define CTAPHID_ENTERSTBOOT     (TYPE_INIT | 0x52)
 #define CTAPHID_GETRNG          (TYPE_INIT | 0x60)
 #define CTAPHID_GETVERSION      (TYPE_INIT | 0x61)
-#define CTAPHID_LOADKEY         (TYPE_INIT | 0x62)
 // reserved for debug, not implemented except for HACKER and DEBUG_LEVEl > 0
 #define CTAPHID_PROBE           (TYPE_INIT | 0x70)
 

fido2/device.h

@@ -61,8 +61,8 @@ int ctap_user_presence_test(uint32_t delay);
 int ctap_generate_rng(uint8_t * dst, size_t num);
 
 // Increment atomic counter and return it.
-// @param amount the amount to increase the counter by.
+// Must support two counters, @sel selects counter0 or counter1.
-uint32_t ctap_atomic_count(uint32_t amount);
+uint32_t ctap_atomic_count(int sel);
 
 // Verify the user
 // return 1 if user is verified, 0 if not

fido2/version.c

@@ -1,13 +0,0 @@
-#include "version.h"
-
-
-const version_t firmware_version __attribute__ ((section (".flag"))) __attribute__ ((__used__)) =  {
-  .major = SOLO_VERSION_MAJ,
-  .minor = SOLO_VERSION_MIN,
-  .patch = SOLO_VERSION_PATCH,
-  .reserved = 0
-};
-
-// from tinycbor, for a quick static_assert
-#include <compilersupport_p.h>
-cbor_static_assert(sizeof(version_t) == 4);

fido2/version.h

@@ -17,23 +17,5 @@
 #define SOLO_VERSION     __STR(SOLO_VERSION_MAJ) "." __STR(SOLO_VERSION_MIN) "." __STR(SOLO_VERSION_PATCH)
 #endif
 
-#include <stdint.h>
-#include <stdbool.h>
-
-typedef struct {
-  union{
-    uint32_t raw;
-    struct {
-      uint8_t major;
-      uint8_t minor;
-      uint8_t patch;
-      uint8_t reserved;
-    };
-  };
-} version_t;
-
-bool is_newer(const version_t* const newer, const version_t* const older);
-const version_t firmware_version ;
-
 
 #endif

pc/device.c

@@ -313,11 +313,20 @@ int ctap_user_verification(uint8_t arg)
 }
 
 
-uint32_t ctap_atomic_count(uint32_t amount)
+uint32_t ctap_atomic_count(int sel)
 {
     static uint32_t counter1 = 25;
-    counter1 += amount;
+    /*return 713;*/
-    return counter1;
+    if (sel == 0)
+    {
+        printf1(TAG_RED,"counter1: %d\n", counter1);
+        return counter1++;
+    }
+    else
+    {
+        printf2(TAG_ERR,"counter2 not imple\n");
+        exit(1);
+    }
 }
 
 int ctap_generate_rng(uint8_t * dst, size_t num)

targets/stm32l432/Makefile

@@ -90,7 +90,8 @@ flash_dfu: solo.hex bootloader.hex
 	# STM32_Programmer_CLI -c port=usb1 -halt -e all --readunprotect
 	STM32_Programmer_CLI -c port=usb1 -halt -rdu  -d all.hex
 
-flashboot: bootloader.hex
+flashboot: solo.hex bootloader.hex
+	$(VENV) $(merge_hex) solo.hex bootloader.hex all.hex
 	STM32_Programmer_CLI -c port=SWD -halt -e all --readunprotect
 	STM32_Programmer_CLI -c port=SWD -halt  -d bootloader.hex -rst
 

targets/stm32l432/bootloader/bootloader.c

@@ -19,12 +19,6 @@
 #include "ctap_errors.h"
 #include "log.h"
 
-volatile version_t current_firmware_version __attribute__ ((section (".flag2"))) __attribute__ ((__used__)) =  {
-  .major = SOLO_VERSION_MAJ,
-  .minor = SOLO_VERSION_MIN,
-  .patch = SOLO_VERSION_PATCH,
-  .reserved = 0
-};
 
 extern uint8_t REBOOT_FLAG;
 
@@ -62,6 +56,8 @@ static void erase_application()
     }
 }
 
+#define LAST_ADDR       (APPLICATION_END_ADDR-2048 + 8)
+#define LAST_PAGE       (APPLICATION_END_PAGE-1)
 static void disable_bootloader()
 {
     // Clear last 4 bytes of the last application page-1, which is 108th
@@ -106,38 +102,6 @@ int is_bootloader_disabled()
     uint32_t * auth = (uint32_t *)(AUTH_WORD_ADDR+4);
     return *auth == 0;
 }
-uint8_t * last_written_app_address;
-
-#include "version.h"
-bool is_firmware_version_newer_or_equal()
-{
-
-    printf1(TAG_BOOT,"Current firmware version: %u.%u.%u.%u (%02x.%02x.%02x.%02x)\r\n",
-          current_firmware_version.major, current_firmware_version.minor, current_firmware_version.patch, current_firmware_version.reserved,
-          current_firmware_version.major, current_firmware_version.minor, current_firmware_version.patch, current_firmware_version.reserved
-          );
-  volatile version_t * new_version = ((volatile version_t *) last_written_app_address);
-  printf1(TAG_BOOT,"Uploaded firmware version: %u.%u.%u.%u (%02x.%02x.%02x.%02x)\r\n",
-          new_version->major, new_version->minor, new_version->patch, new_version->reserved,
-          new_version->major, new_version->minor, new_version->patch, new_version->reserved
-          );
-
-  const bool allowed = is_newer((const version_t *)new_version, (const version_t *)&current_firmware_version) || current_firmware_version.raw == 0xFFFFFFFF;
-  if (allowed){
-    printf1(TAG_BOOT, "Update allowed, setting new firmware version as current.\r\n");
-//    current_firmware_version.raw = new_version.raw;
-    uint8_t page[PAGE_SIZE];
-    memmove(page, (uint8_t*)BOOT_VERSION_ADDR, PAGE_SIZE);
-    memmove(page, (version_t *)new_version, 4);
-    printf1(TAG_BOOT, "Writing\r\n");
-    flash_erase_page(BOOT_VERSION_PAGE);
-    flash_write(BOOT_VERSION_ADDR, page, PAGE_SIZE);
-    printf1(TAG_BOOT, "Finish\r\n");
-  } else {
-    printf1(TAG_BOOT, "Firmware older - update not allowed.\r\n");
-  }
-  return allowed;
-}
 
 /**
  * Execute bootloader commands
@@ -161,7 +125,10 @@ int bootloader_bridge(int klen, uint8_t * keyh)
         return CTAP1_ERR_INVALID_LENGTH;
     }
 #ifndef SOLO_HACKER
-    extern uint8_t *pubkey_boot;
+    uint8_t * pubkey = (uint8_t*)"\xd2\xa4\x2f\x8f\xb2\x31\x1c\xc1\xf7\x0c\x7e\x64\x32\xfb\xbb\xb4\xa3\xdd\x32\x20"
+                                 "\x0f\x1b\x88\x9c\xda\x62\xc2\x83\x25\x93\xdd\xb8\x75\x9d\xf9\x86\xee\x03\x6c\xce"
+                                 "\x34\x47\x71\x36\xb3\xb2\xad\x6d\x12\xb7\xbe\x49\x3e\x20\xa4\x61\xac\xc7\x71\xc7"
+                                 "\x1f\xa8\x14\xf2";
 
     const struct uECC_Curve_t * curve = NULL;
 #endif
@@ -198,11 +165,12 @@ int bootloader_bridge(int klen, uint8_t * keyh)
             }
             // Do the actual write
             flash_write((uint32_t)ptr,req->payload, len);
-            last_written_app_address = (uint8_t *)ptr + len - 8 + 4;
+
+
             break;
         case BootDone:
             // Writing to flash finished. Request code validation.
-            printf1(TAG_BOOT, "BootDone: \r\n");
+            printf1(TAG_BOOT, "BootDone: ");
 #ifndef SOLO_HACKER
             if (len != 64)
             {
@@ -217,23 +185,17 @@ int bootloader_bridge(int klen, uint8_t * keyh)
             crypto_sha256_final(hash);
             curve = uECC_secp256r1();
             // Verify incoming signature made over the SHA256 hash
-            if (
+            if (! uECC_verify(pubkey,
-                    !uECC_verify(pubkey_boot, hash, 32, req->payload, curve)
+                        hash,
-            )
+                        32,
+                        req->payload,
+                        curve))
             {
-              printf1(TAG_BOOT, "Signature invalid\r\n");
                 return CTAP2_ERR_OPERATION_DENIED;
             }
-            if (!is_firmware_version_newer_or_equal()){
-              printf1(TAG_BOOT, "Firmware older - update not allowed.\r\n");
-              printf1(TAG_BOOT, "Rebooting...\r\n");
-              REBOOT_FLAG = 1;
-              return CTAP2_ERR_OPERATION_DENIED;
-            }
 #endif
             // Set the application validated, and mark for reboot.
             authorize_application();
-
             REBOOT_FLAG = 1;
             break;
         case BootCheck:
@@ -256,7 +218,6 @@ int bootloader_bridge(int klen, uint8_t * keyh)
             break;
         case BootReboot:
             printf1(TAG_BOOT, "BootReboot.\r\n");
-            printf1(TAG_BOOT, "Application authorized: %d.\r\n", is_authorized_to_boot());
             REBOOT_FLAG = 1;
             break;
         case BootDisable:
@@ -316,10 +277,3 @@ void bootloader_heartbeat()
 
     led_rgb(((val * g)<<8) | ((val*r) << 16) | (val*b));
 }
-
-uint32_t ctap_atomic_count(uint32_t amount)
-{
-    static uint32_t count = 1000;
-    count += (amount + 1);
-    return count;
-}

targets/stm32l432/bootloader/main.c

@@ -138,14 +138,6 @@ int main()
 
     printf1(TAG_GEN,"recv'ing hid msg \n");
 
-    extern volatile version_t current_firmware_version;
-    printf1(TAG_BOOT,"Current firmware version address: %p\r\n", &current_firmware_version);
-    printf1(TAG_BOOT,"Current firmware version: %d.%d.%d.%d (%02x.%02x.%02x.%02x)\r\n",
-            current_firmware_version.major, current_firmware_version.minor, current_firmware_version.patch, current_firmware_version.reserved,
-            current_firmware_version.major, current_firmware_version.minor, current_firmware_version.patch, current_firmware_version.reserved
-    );
-    dump_hex1(TAG_BOOT, (uint8_t*)(&current_firmware_version) - 16, 32);
-
 
     while(1)
     {

targets/stm32l432/bootloader/pubkey_bootloader.c

@@ -1,6 +0,0 @@
-#include "stdint.h"
-
-uint8_t * pubkey_boot = (uint8_t*)"\xd2\xa4\x2f\x8f\xb2\x31\x1c\xc1\xf7\x0c\x7e\x64\x32\xfb\xbb\xb4\xa3\xdd\x32\x20"
-                        "\x0f\x1b\x88\x9c\xda\x62\xc2\x83\x25\x93\xdd\xb8\x75\x9d\xf9\x86\xee\x03\x6c\xce"
-                        "\x34\x47\x71\x36\xb3\xb2\xad\x6d\x12\xb7\xbe\x49\x3e\x20\xa4\x61\xac\xc7\x71\xc7"
-                        "\x1f\xa8\x14\xf2";

targets/stm32l432/bootloader/version_check.c

@@ -1,8 +0,0 @@
-#include "version.h"
-
-//  FIXME test version check function
-bool is_newer(const version_t* const newer, const version_t* const older){
-  return (newer->major > older->major) ||
-         (newer->major == older->major &&  newer->minor > older->minor) ||
-         (newer->major == older->major &&  newer->minor == older->minor &&  newer->patch >= older->patch);
-}

targets/stm32l432/build/application.mk

@@ -10,7 +10,6 @@ SRC += $(DRIVER_LIBS) $(USB_LIB)
 SRC += ../../fido2/apdu.c ../../fido2/util.c ../../fido2/u2f.c ../../fido2/test_power.c
 SRC += ../../fido2/stubs.c ../../fido2/log.c  ../../fido2/ctaphid.c  ../../fido2/ctap.c
 SRC += ../../fido2/ctap_parse.c ../../fido2/main.c
-SRC += ../../fido2/version.c
 SRC += ../../fido2/data_migration.c
 SRC += ../../fido2/extensions/extensions.c ../../fido2/extensions/solo.c
 SRC += ../../fido2/extensions/wallet.c
@@ -71,7 +70,6 @@ all: $(TARGET).elf
 
 %.elf: $(OBJ)
 	$(CC) $^ $(HW) $(LDFLAGS) -o $@
-	@echo "Built version: $(VERSION_FLAGS)"
 
 %.hex: %.elf
 	$(SZ) $^

targets/stm32l432/build/bootloader.mk

@@ -2,7 +2,6 @@ include build/common.mk
 
 # ST related
 SRC = bootloader/main.c bootloader/bootloader.c
-SRC += bootloader/pubkey_bootloader.c bootloader/version_check.c
 SRC += src/init.c src/redirect.c src/flash.c src/rng.c src/led.c src/device.c
 SRC += src/fifo.c src/crypto.c src/attestation.c src/sense.c
 SRC += src/startup_stm32l432xx.s src/system_stm32l4xx.c
@@ -66,7 +65,6 @@ all: $(TARGET).elf
 
 %.elf: $(OBJ)
 	$(CC) $^ $(HW) $(LDFLAGS) -o $@
-	arm-none-eabi-size $@
 
 %.hex: %.elf
 	$(CP) -O ihex $^ $(TARGET).hex

targets/stm32l432/linker/bootloader_stm32l4xx.ld

@@ -12,17 +12,9 @@ _estack = 0x2000c000;
 
 _MIN_STACK_SIZE = 0x400;
 
-/*
-flash_cfg is for storing bootloader data, like last used firmware version.
-bootloader_configuration should be equal to (APPLICATION_END_PAGE) page address, from targets/stm32l432/src/memory_layout.h:30; and equal to flash_cfg origin
-*/
-
-bootloader_configuration = 0x08000000 + 216*1024+8;
-
 MEMORY
 {
     flash (rx)      : ORIGIN = 0x08000000, LENGTH = 20K
-    flash_cfg (rx)  : ORIGIN = 0x08000000 + 216*1024+8, LENGTH = 2K-8
     ram (xrw)       : ORIGIN = 0x20000000, LENGTH = 48K
     sram2 (rw)      : ORIGIN = 0x10000000, LENGTH = 16K
 }
@@ -47,11 +39,6 @@ SECTIONS
         _etext = .;
     } >flash
 
-    .flag2 bootloader_configuration :
-    {
-      KEEP(*(.flag2)) ;
-    } > flash_cfg
-
     _sidata = LOADADDR(.data);
 
     .data :

targets/stm32l432/linker/bootloader_stm32l4xx_extra.ld

@@ -12,17 +12,9 @@ _estack = 0x2000c000;
 
 _MIN_STACK_SIZE = 0x400;
 
-/*
-flash_cfg is for storing bootloader data, like last used firmware version.
-bootloader_configuration should be equal to (APPLICATION_END_PAGE) page address, from targets/stm32l432/src/memory_layout.h:30; and equal to flash_cfg origin
-*/
-
-bootloader_configuration = 0x08000000 + 216*1024+8;
-
 MEMORY
 {
     flash (rx)      : ORIGIN = 0x08000000, LENGTH = 32K
-    flash_cfg (rx)  : ORIGIN = 0x08000000 + 216*1024+8, LENGTH = 2K-8
     ram (xrw)       : ORIGIN = 0x20000000, LENGTH = 48K
     sram2 (rw)      : ORIGIN = 0x10000000, LENGTH = 16K
 }
@@ -47,11 +39,6 @@ SECTIONS
         _etext = .;
     } >flash
 
-    .flag2 bootloader_configuration :
-    {
-      KEEP(*(.flag2)) ;
-    } > flash_cfg
-
     _sidata = LOADADDR(.data);
 
     .data :

targets/stm32l432/linker/stm32l4xx.ld

@@ -13,21 +13,14 @@ _estack = 0x2000c000;
 _MIN_STACK_SIZE = 0x400;
 
 /*
-len  |   20 KB/10p|      196KB-8-8/98p   |        2kB/1p         |      38 KB/19p  |
+    Memory layout of device:
-pos  |   0->20 KB |     20->216KB-8-8    |   216kB -> 218 kB     |   218->256 KB   |
+        20 KB            198KB-8            38 KB
-posp |    0-10    |      10-113          |        113-114        |       113-128   |
+    | bootloader |    application     |  secrets/data |
-desc | bootloader |       application    | bootloader data       |  secrets/data   |
-
-    Last 8 bytes in application space are occupied by bootloader flags - app
-    authorization and bootloader activation flag.
  */
 
-/* Current firmware version number is concatenated to the firmware code - see .flag marker */
-/* flash length is (APPLICATION_END_PAGE-20*1024), where 20K is bootloader */
-
 MEMORY
 {
-    flash (rx)      : ORIGIN = 0x08000000 + 20K, LENGTH = 216K - 20K - 8
+    flash (rx)      : ORIGIN = 0x08005000, LENGTH = 198K - 8
     ram (xrw)       : ORIGIN = 0x20000000, LENGTH = 48K
     sram2 (rw)      : ORIGIN = 0x10000000, LENGTH = 16K
 }
@@ -63,12 +56,6 @@ SECTIONS
         _edata = .;
     } >ram AT> flash
 
-    .flag :
-    {
-        . = ALIGN(8);
-      KEEP(*(.flag)) ;
-    } > flash
-
     .bss :
     {
         . = ALIGN(4);

targets/stm32l432/linker/stm32l4xx_extra.ld

@@ -12,22 +12,9 @@ _estack = 0x2000c000;
 
 _MIN_STACK_SIZE = 0x400;
 
-/*
-len  |   32 KB/16p|      184KB-8-8/92p   |        2kB/1p         |      38 KB/19p  |
-pos  |   0->32 KB |     32->216KB-8-8    |   216kB -> 218 kB     |   218->256 KB   |
-posp |    0-16    |      16-113          |        113-114        |       113-128   |
-desc | bootloader |       application    | bootloader data       |  secrets/data   |
-
-    Last 8 bytes in application space are occupied by bootloader flags - app
-    authorization and bootloader activation flag.
- */
-
-/* Current firmware version number is concatenated to the firmware code - see .flag marker */
-/* flash length is (APPLICATION_END_PAGE-20*1024), where 20K is bootloader */
-
 MEMORY
 {
-    flash (rx)      : ORIGIN = 0x08000000 + 20K + 12K, LENGTH = 216K - 20K - 12K - 8
+    flash (rx)      : ORIGIN = 0x08008000, LENGTH = 186K - 8
     ram (xrw)       : ORIGIN = 0x20000000, LENGTH = 48K
     sram2 (rw)      : ORIGIN = 0x10000000, LENGTH = 16K
 }
@@ -63,12 +50,6 @@ SECTIONS
         _edata = .;
     } >ram AT> flash
 
-    .flag :
-    {
-        . = ALIGN(8);
-      KEEP(*(.flag)) ;
-    } > flash
-
     .bss :
     {
         . = ALIGN(4);

targets/stm32l432/src/ams.c

@@ -8,25 +8,21 @@
 #include "device.h"
 #include "nfc.h"
 
-static void flush_rx(void)
+static void flush_rx()
 {
     while(LL_SPI_IsActiveFlag_RXNE(SPI1) != 0)
     {
         LL_SPI_ReceiveData8(SPI1);
     }
 }
-
+static void wait_for_tx()
-
-static void wait_for_tx(void)
 {
     // while (LL_SPI_IsActiveFlag_BSY(SPI1) == 1)
     //     ;
     while(LL_SPI_GetTxFIFOLevel(SPI1) != LL_SPI_TX_FIFO_EMPTY)
         ;
 }
-
+static void wait_for_rx()
-
-static void wait_for_rx(void)
 {
     while(LL_SPI_IsActiveFlag_RXNE(SPI1) == 0)
         ;
@@ -274,7 +270,7 @@ void ams_print_int1(uint8_t int0)
 #endif
 }
 
-int ams_init(void)
+int ams_init()
 {
     LL_GPIO_SetPinMode(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN,LL_GPIO_MODE_OUTPUT);
     LL_GPIO_SetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN);
@@ -296,7 +292,7 @@ int ams_init(void)
     return 0;
 }
 
-void ams_configure(void)
+void ams_configure()
 {
     // Should not be used during passive operation.
     uint8_t block[4];

targets/stm32l432/src/ams.h

@@ -39,8 +39,8 @@ typedef union
 #define SELECT() LL_GPIO_ResetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN)
 #define UNSELECT() LL_GPIO_SetOutputPin(SOLO_AMS_CS_PORT,SOLO_AMS_CS_PIN)
 
-int ams_init(void);
+int ams_init();
-void ams_configure(void);
+void ams_configure();
 
 void ams_read_buffer(uint8_t * data, int len);
 void ams_write_buffer(uint8_t * data, int len);

targets/stm32l432/src/crypto.c

@@ -61,13 +61,12 @@ static uint8_t master_secret[64];
 static uint8_t transport_secret[32];
 
 
-void crypto_sha256_init(void)
+void crypto_sha256_init()
 {
     sha256_init(&sha256_ctx);
 }
 
-void crypto_sha512_init(void)
+void crypto_sha512_init() {
-{
     cf_sha512_init(&sha512_ctx);
 }
 
@@ -80,7 +79,7 @@ void crypto_load_master_secret(uint8_t * key)
     memmove(transport_secret, key+64, 32);
 }
 
-void crypto_reset_master_secret(void)
+void crypto_reset_master_secret()
 {
     memset(master_secret, 0, 64);
     memset(transport_secret, 0, 32);
@@ -108,8 +107,7 @@ void crypto_sha256_final(uint8_t * hash)
     sha256_final(&sha256_ctx, hash);
 }
 
-void crypto_sha512_final(uint8_t * hash)
+void crypto_sha512_final(uint8_t * hash) {
-{
     // NB: there is also cf_sha512_digest
     cf_sha512_digest_final(&sha512_ctx, hash);
 }
@@ -185,14 +183,14 @@ void crypto_sha256_hmac_final(uint8_t * key, uint32_t klen, uint8_t * hmac)
 }
 
 
-void crypto_ecc256_init(void)
+void crypto_ecc256_init()
 {
     uECC_set_rng((uECC_RNG_Function)ctap_generate_rng);
     _es256_curve = uECC_secp256r1();
 }
 
 
-void crypto_ecc256_load_attestation_key(void)
+void crypto_ecc256_load_attestation_key()
 {
     static uint8_t _key [32];
     memmove(_key, (uint8_t*)ATTESTATION_KEY_ADDR, 32);

targets/stm32l432/src/device.c

@@ -34,7 +34,7 @@
 #define LOW_FREQUENCY        1
 #define HIGH_FREQUENCY       0
 
-void wait_for_usb_tether(void);
+void wait_for_usb_tether();
 
 
 uint32_t __90_ms = 0;
@@ -48,12 +48,12 @@ static bool isLowFreq = 0;
 static bool _up_disabled = false;
 
 // #define IS_BUTTON_PRESSED()         (0  == (LL_GPIO_ReadInputPort(SOLO_BUTTON_PORT) & SOLO_BUTTON_PIN))
-static int is_physical_button_pressed(void)
+static int is_physical_button_pressed()
 {
     return (0  == (LL_GPIO_ReadInputPort(SOLO_BUTTON_PORT) & SOLO_BUTTON_PIN));
 }
 
-static int is_touch_button_pressed(void)
+static int is_touch_button_pressed()
 {
     int is_pressed = (tsc_read_button(0) || tsc_read_button(1));
 #ifndef IS_BOOTLOADER
@@ -69,7 +69,7 @@ static int is_touch_button_pressed(void)
 
 int (*IS_BUTTON_PRESSED)() = is_physical_button_pressed;
 
-static void edge_detect_touch_button(void)
+static void edge_detect_touch_button()
 {
     static uint8_t last_touch = 0;
     uint8_t current_touch = 0;
@@ -92,13 +92,12 @@ static void edge_detect_touch_button(void)
 
 }
 
-void device_disable_up(bool disable)
+void device_disable_up(bool disable) {
-{
     _up_disabled = disable;
 }
 
 // Timer6 overflow handler.  happens every ~90ms.
-void TIM6_DAC_IRQHandler(void)
+void TIM6_DAC_IRQHandler()
 {
     // timer is only 16 bits, so roll it over here
     TIM6->SR = 0;
@@ -143,7 +142,7 @@ void USB_IRQHandler(void)
   HAL_PCD_IRQHandler(&hpcd);
 }
 
-uint32_t millis(void)
+uint32_t millis()
 {
     return (((uint32_t)TIM6->CNT) + (__90_ms * 90));
 }
@@ -161,7 +160,7 @@ void device_set_status(uint32_t status)
     __device_status = status;
 }
 
-int device_is_button_pressed(void)
+int device_is_button_pressed()
 {
     return IS_BUTTON_PRESSED();
 }
@@ -172,13 +171,12 @@ void delay(uint32_t ms)
     while ((millis() - time) < ms)
         ;
 }
-
+void device_reboot()
-void device_reboot(void)
 {
     NVIC_SystemReset();
 }
 
-void device_init_button(void)
+void device_init_button()
 {
     if (tsc_sensor_exists())
     {
@@ -228,12 +226,12 @@ void device_init(int argc, char *argv[])
 
 }
 
-int device_is_nfc(void)
+int device_is_nfc()
 {
     return _NFC_status;
 }
 
-void wait_for_usb_tether(void)
+void wait_for_usb_tether()
 {
     while (USBD_OK != CDC_Transmit_FS((uint8_t*)"tethered\r\n", 10) )
         ;
@@ -244,7 +242,7 @@ void wait_for_usb_tether(void)
         ;
 }
 
-void usbhid_init(void)
+void usbhid_init()
 {
     if (!isLowFreq)
     {
@@ -294,12 +292,12 @@ void ctaphid_write_block(uint8_t * data)
 }
 
 
-void usbhid_close(void)
+void usbhid_close()
 {
 
 }
 
-void main_loop_delay(void)
+void main_loop_delay()
 {
 
 }
@@ -309,14 +307,13 @@ static uint32_t winkt1 = 0;
 #ifdef LED_WINK_VALUE
 static uint32_t winkt2 = 0;
 #endif
-
+void device_wink()
-void device_wink(void)
 {
     wink_time = 10;
     winkt1 = 0;
 }
 
-void heartbeat(void)
+void heartbeat()
 {
     static int state = 0;
     static uint32_t val = (LED_MAX_SCALER - LED_MIN_SCALER)/2;
@@ -385,7 +382,7 @@ void authenticator_read_backup_state(AuthenticatorState * a)
 }
 
 // Return 1 yes backup is init'd, else 0
-int authenticator_is_backup_initialized(void)
+int authenticator_is_backup_initialized()
 {
     uint8_t header[16];
     uint32_t * ptr = (uint32_t *)flash_addr(STATE2_PAGE);
@@ -410,8 +407,7 @@ void authenticator_write_state(AuthenticatorState * a, int backup)
     }
 }
 
-#if !defined(IS_BOOTLOADER)
+uint32_t ctap_atomic_count(int sel)
-uint32_t ctap_atomic_count(uint32_t amount)
 {
     int offset = 0;
     uint32_t * ptr = (uint32_t *)flash_addr(COUNTER1_PAGE);
@@ -426,12 +422,10 @@ uint32_t ctap_atomic_count(uint32_t amount)
 
     uint32_t lastc = 0;
 
-    if (amount == 0)
+    if (sel != 0)
     {
-        // Use a random count [1-16].
+        printf2(TAG_ERR,"counter2 not imple\n");
-        uint8_t rng[1];
+        exit(1);
-        ctap_generate_rng(rng, 1);
-        amount = (rng[0] & 0x0f) + 1;
     }
 
     for (offset = 0; offset < PAGE_SIZE/4; offset += 2) // wear-level the flash
@@ -464,7 +458,7 @@ uint32_t ctap_atomic_count(uint32_t amount)
         return lastc;
     }
 
-    lastc += amount;
+    lastc++;
 
     if (lastc/256 > erases)
     {
@@ -502,10 +496,10 @@ uint32_t ctap_atomic_count(uint32_t amount)
 
     return lastc;
 }
-#endif
 
 
-void device_manage(void)
+
+void device_manage()
 {
 #if NON_BLOCK_PRINTING
     int i = 10;
@@ -531,7 +525,7 @@ void device_manage(void)
 #endif
 }
 
-static int handle_packets(void)
+static int handle_packets()
 {
     static uint8_t hidmsg[HID_PACKET_SIZE];
     memset(hidmsg,0, sizeof(hidmsg));
@@ -567,7 +561,6 @@ static int wait_for_button_activate(uint32_t wait)
     } while (!IS_BUTTON_PRESSED());
     return 0;
 }
-
 static int wait_for_button_release(uint32_t wait)
 {
     int ret;
@@ -661,7 +654,7 @@ int ctap_user_verification(uint8_t arg)
     return 1;
 }
 
-void ctap_reset_rk(void)
+void ctap_reset_rk()
 {
     int i;
     printf1(TAG_GREEN, "resetting RK \r\n");
@@ -671,7 +664,7 @@ void ctap_reset_rk(void)
     }
 }
 
-uint32_t ctap_rk_size(void)
+uint32_t ctap_rk_size()
 {
     return RK_NUM_PAGES * (PAGE_SIZE / sizeof(CTAP_residentKey));
 }
@@ -733,7 +726,7 @@ void ctap_overwrite_rk(int index,CTAP_residentKey * rk)
     }
 }
 
-void boot_st_bootloader(void)
+void boot_st_bootloader()
 {
     __disable_irq();
 
@@ -745,7 +738,7 @@ void boot_st_bootloader(void)
     ;
 }
 
-void boot_solo_bootloader(void)
+void boot_solo_bootloader()
 {
     LL_IWDG_Enable(IWDG);
 

targets/stm32l432/src/flash.c

@@ -14,12 +14,12 @@
 #include "log.h"
 #include "device.h"
 
-static void flash_lock(void)
+static void flash_lock()
 {
     FLASH->CR |= (1U<<31);
 }
 
-static void flash_unlock(void)
+static void flash_unlock()
 {
     if (FLASH->CR & FLASH_CR_LOCK)
     {

targets/stm32l432/src/init.c

@@ -699,7 +699,7 @@ void SystemClock_Config_LF20(void)
     SET_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN);
 }
 
-void init_usb(void)
+void init_usb()
 {
     // enable USB power
     SET_BIT(PWR->CR2, PWR_CR2_USV);

targets/stm32l432/src/init.h

@@ -22,7 +22,7 @@
 #ifndef _INIT_H_
 #define _INIT_H_
 
-void init_usb(void);
+void init_usb();
 void init_gpio(void);
 void init_debug_uart(void);
 void init_pwm(void);

targets/stm32l432/src/main.c

@@ -57,11 +57,10 @@ void TIM6_DAC_IRQHandler()
     __90_ms += 1;
 }
 
-uint32_t millis(void)
+uint32_t millis()
 {
     return (((uint32_t)TIM6->CNT) + (__90_ms * 90));
 }
-
 void _Error_Handler(char *file, int line)
 {
     while(1)

targets/stm32l432/src/memory_layout.h

@@ -37,33 +37,10 @@
 
 // End of application code.  Leave some extra room for future data storage.
 // NOT included in application
-#define APPLICATION_END_PAGE	((PAGES - 20))
+#define APPLICATION_END_PAGE	((PAGES - 19))
 #define APPLICATION_END_ADDR	((0x08000000 + ((APPLICATION_END_PAGE)*PAGE_SIZE))-8)
 
 // Bootloader state.
 #define AUTH_WORD_ADDR          (APPLICATION_END_ADDR)
 
-#define LAST_ADDR       (APPLICATION_END_ADDR-2048 + 8)
-#define BOOT_VERSION_PAGE    (APPLICATION_END_PAGE)
-#define BOOT_VERSION_ADDR    (0x08000000 + BOOT_VERSION_PAGE*FLASH_PAGE_SIZE + 8)
-#define LAST_PAGE       (APPLICATION_END_PAGE-1)
-
-
-struct flash_memory_st{
-  uint8_t bootloader[APPLICATION_START_PAGE*2*1024];
-  uint8_t application[(APPLICATION_END_PAGE-APPLICATION_START_PAGE)*2*1024-8];
-  uint8_t auth_word[4];
-  uint8_t bootloader_disabled[4];
-  // place for more user data
-  uint8_t _reserved_application_end_mark[8];
-  uint8_t bootloader_data[2*1024-8];
-  uint8_t user_data[38*1024];
-} __attribute__((packed));
-
-typedef struct flash_memory_st flash_memory_st;
-
-#include <assert.h>
-static_assert(sizeof(flash_memory_st) == 256*1024, "Data structure doesn't match flash size");
-
-
 #endif

targets/stm32l432/src/nfc.c

@@ -359,7 +359,7 @@ static uint32_t WTX_timer;
 
 bool WTX_process(int read_timeout);
 
-void WTX_clear(void)
+void WTX_clear()
 {
 	WTX_sent = false;
 	WTX_fail = false;
@@ -374,7 +374,7 @@ bool WTX_on(int WTX_time)
 	return true;
 }
 
-bool WTX_off(void)
+bool WTX_off()
 {
 	WTX_timer = 0;
 
@@ -398,7 +398,7 @@ bool WTX_off(void)
 	return true;
 }
 
-void WTX_timer_exec(void)
+void WTX_timer_exec()
 {
 	// condition: (timer on) or (not expired[300ms])
 	if ((WTX_timer == 0) || WTX_timer + 300 > millis())
@@ -856,7 +856,7 @@ void nfc_process_iblock(uint8_t * buf, int len)
 static uint8_t ibuf[1024];
 static int ibuflen = 0;
 
-void clear_ibuf(void)
+void clear_ibuf()
 {
 	ibuflen = 0;
 	memset(ibuf, 0, sizeof(ibuf));
@@ -969,7 +969,7 @@ void nfc_process_block(uint8_t * buf, unsigned int len)
     }
 }
 
-int nfc_loop(void)
+int nfc_loop()
 {
     uint8_t buf[32];
     AMS_DEVICE ams;

targets/stm32l432/src/nfc.h

@@ -6,9 +6,9 @@
 #include "apdu.h"
 
 // Return number of bytes read if any.
-int nfc_loop(void);
+int nfc_loop();
 
-int nfc_init(void);
+int nfc_init();
 
 typedef struct
 {
@@ -61,6 +61,6 @@ typedef enum
 	APP_FIDO,
 } APPLETS;
 
-void WTX_timer_exec(void);
+void WTX_timer_exec();
 
 #endif

targets/stm32l432/src/sense.c

@@ -8,7 +8,7 @@
 #define ELECTRODE_0     TSC_GROUP2_IO1
 #define ELECTRODE_1     TSC_GROUP2_IO2
 
-void tsc_init(void)
+void tsc_init()
 {
     LL_GPIO_InitTypeDef GPIO_InitStruct;
     // Enable TSC clock
@@ -74,7 +74,7 @@ void tsc_set_electrode(uint32_t channel_ids)
     TSC->IOCCR = (channel_ids);
 }
 
-void tsc_start_acq(void)
+void tsc_start_acq()
 {
     TSC->CR &= ~(TSC_CR_START);
 
@@ -86,7 +86,7 @@ void tsc_start_acq(void)
     TSC->CR |= TSC_CR_START;
 }
 
-void tsc_wait_on_acq(void)
+void tsc_wait_on_acq()
 {
     while ( ! (TSC->ISR & TSC_FLAG_EOA) )
         ;
@@ -117,7 +117,7 @@ uint32_t tsc_read_button(uint32_t index)
     return tsc_read(1) < 45;
 }
 
-int tsc_sensor_exists(void)
+int tsc_sensor_exists()
 {
     static uint8_t does = 0;
     if (does) return 1;

targets/stm32l432/src/sense.h

@@ -3,9 +3,9 @@
 
 #include <stdint.h>
 
-void tsc_init(void);
+void tsc_init();
 
-int tsc_sensor_exists(void);
+int tsc_sensor_exists();
 
 // Read button0 or button1
 // Returns 1 if pressed, 0 if not.