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authorMarcin Bukat <marcin.bukat@gmail.com>2013-12-11 15:42:25 +0100
committerMarcin Bukat <marcin.bukat@gmail.com>2013-12-11 15:42:25 +0100
commitb5ca0cffac1b27fd6662d52a909be7a2199398dc (patch)
tree6f986f33b037ff1e83e5e1dae6bac08504a0aa66
parent01d8cc6f39406932fc971faa3e304692a8ecacf9 (diff)
downloadrockbox-b5ca0cf.tar.gz
rockbox-b5ca0cf.tar.bz2
rockbox-b5ca0cf.zip
adfuload: utility to upload and exec binary using brom adfu mode of atj213x SoC
Change-Id: If52aa34124be2801c2ac316641ff9aa0bbd837c6
-rw-r--r--utils/atj2137/adfuload/Makefile7
-rw-r--r--utils/atj2137/adfuload/adfuload.c467
-rw-r--r--utils/atj2137/adfuload/encrypt.c96
-rw-r--r--utils/atj2137/adfuload/encrypt.h21
4 files changed, 591 insertions, 0 deletions
diff --git a/utils/atj2137/adfuload/Makefile b/utils/atj2137/adfuload/Makefile
new file mode 100644
index 0000000000..c6a432aaa6
--- /dev/null
+++ b/utils/atj2137/adfuload/Makefile
@@ -0,0 +1,7 @@
+all: adfuload
+
+adfuload: adfuload.c encrypt.c
+ gcc -g -std=c99 -o $@ -W -Wall -I/usr/include/libusb-1.0/ $^ -lusb-1.0
+
+clean:
+ rm -fr *.o adfuload
diff --git a/utils/atj2137/adfuload/adfuload.c b/utils/atj2137/adfuload/adfuload.c
new file mode 100644
index 0000000000..5e32a9354b
--- /dev/null
+++ b/utils/atj2137/adfuload/adfuload.c
@@ -0,0 +1,467 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2013 by Marcin Bukat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdlib.h>
+#include <libusb.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include "encrypt.h"
+
+#define VERSION "v0.1"
+
+#define RETRY_MAX 5
+#define USB_TIMEOUT 512
+#define VENDORID 0x10d6
+#define PRODUCTID 0xff96
+
+#define OUT_EP 0x01
+#define IN_EP 0x82
+
+#define CBW_SIGNATURE 0x43425355
+#define CSW_SIGNATURE 0x53425355
+
+struct CBWCB_t
+{
+ uint8_t cbCode;
+ uint8_t cbLun;
+ uint32_t LBA;
+ uint32_t cbLen;
+ uint8_t reseved;
+ uint8_t control;
+} __attribute__((__packed__));
+
+struct CBW_t
+{
+ uint32_t dCBWSignature;
+ uint32_t dCBWTag;
+ uint32_t dCBWDataTransferLength;
+ uint8_t bmCBWFlags;
+ uint8_t bCBWLUN;
+ uint8_t bCBWCBLength;
+ uint8_t CBWCB[16];
+} __attribute__((__packed__));
+
+struct CSW_t
+{
+ uint32_t dCSWSignature;
+ uint32_t dCSWTag;
+ uint32_t dCSWDataResidue;
+ uint8_t bCSWStatus;
+} __attribute__((__packed__));
+
+static int send_msc_cmd(libusb_device_handle *hdev, void *cbwcb, uint32_t data_len, uint32_t *reftag)
+{
+ struct CBW_t cbw;
+ int ret, repeat, transferred;
+
+ memset(&cbw, 0, sizeof(cbw));
+ cbw.dCBWSignature = CBW_SIGNATURE;
+ cbw.dCBWTag = 0;
+ cbw.dCBWDataTransferLength = data_len;
+ cbw.bmCBWFlags = 0;
+ cbw.bCBWLUN = 0;
+ cbw.bCBWCBLength = ((((char *)cbwcb)[0] == 0x10) ? 0 : 0x10);
+ memcpy(cbw.CBWCB, cbwcb, sizeof(struct CBWCB_t));
+
+ *reftag = cbw.dCBWTag;
+ do
+ {
+ /* transfer command to the device */
+ ret = libusb_bulk_transfer(hdev, OUT_EP, (unsigned char*)&cbw, 31, &transferred, USB_TIMEOUT);
+ if (ret == LIBUSB_ERROR_PIPE)
+ {
+ libusb_clear_halt(hdev, OUT_EP);
+ }
+ repeat++;
+ } while ((ret == LIBUSB_ERROR_PIPE) && (repeat < RETRY_MAX));
+
+ if (ret != LIBUSB_SUCCESS)
+ {
+ printf("error: command transfer error\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int get_msc_csw(libusb_device_handle *hdev, uint32_t reftag)
+{
+ struct CSW_t csw;
+ int ret, repeat, transferred;
+
+ /* get CSW response from device */
+ repeat = 0;
+ do
+ {
+ ret = libusb_bulk_transfer(hdev, IN_EP, (unsigned char *)&csw, 13, &transferred, USB_TIMEOUT);
+ if (ret == LIBUSB_ERROR_PIPE)
+ {
+ libusb_clear_halt(hdev, IN_EP);
+ }
+ repeat++;
+ } while ((ret == LIBUSB_ERROR_PIPE) && (repeat < RETRY_MAX));
+
+ if (ret != LIBUSB_SUCCESS)
+ {
+ printf("error reading CSW\n");
+ return -3;
+ }
+
+ if (transferred != 13)
+ {
+ printf("error wrong size of CSW packet\n");
+ return -4;
+ }
+
+ if (csw.dCSWSignature != CSW_SIGNATURE)
+ {
+ printf("error: wrong CSW signature.\n");
+ return -5;
+ }
+ if (csw.dCSWTag != reftag)
+ {
+ printf("error: CSW dCSWTag mismatch. Is 0x%x, expected 0x%x\n", csw.dCSWTag, reftag);
+ return -6;
+ }
+
+ if (csw.bCSWStatus)
+ {
+ /* In case of CSW indicating error dump the content of the packet */
+ printf ("dCSWSignature: 0x%0x\n", csw.dCSWSignature);
+ printf ("dCSWTag: 0x%0x\n", csw.dCSWTag);
+ printf ("dCSWDataResidue: 0x%0x\n", csw.dCSWDataResidue);
+ printf ("bCSWStatus: 0x%0x\n", csw.bCSWStatus);
+ }
+
+ return csw.bCSWStatus;
+}
+
+static void adfu_upload(libusb_device_handle *hdev, unsigned char *buf, int size, uint32_t address)
+{
+ uint8_t cmdbuf[16];
+ uint32_t reftag;
+ int transferred;
+
+ memset(cmdbuf, 0, sizeof(cmdbuf));
+
+ fprintf(stderr,"[info]: loading binary @ 0x%08x size %d bytes\n", address, size);
+
+ cmdbuf[0] = 0x05; /* transfer */
+
+ cmdbuf[1] = address & 0xff; /* addr LSB */
+ cmdbuf[2] = (address >> 8) & 0xff;
+ cmdbuf[3] = (address >> 16) & 0xff;
+ cmdbuf[4] = (address >> 24) & 0xff; /* addr MSB */
+
+ cmdbuf[5] = size & 0xff; /* len LSB */
+ cmdbuf[6] = (size >> 8) & 0xff;
+ cmdbuf[7] = (size >> 16) & 0xff;
+ cmdbuf[8] = (size >> 24) & 0xff; /* len MSB */
+
+ send_msc_cmd(hdev, (void *)cmdbuf, size, &reftag);
+
+ libusb_bulk_transfer(hdev, OUT_EP, buf, size, &transferred, USB_TIMEOUT);
+ fprintf(stderr, "[info]: actual xfered data: %d bytes\n", transferred);
+
+ /* get CSW from device*/
+ fprintf(stderr, "[info]: CSW status: %d\n", get_msc_csw(hdev, reftag));
+}
+
+#if 0
+/* unused, I'll leve it here for reference */
+static void adfu_download(libusb_device_handle *hdev, unsigned char *buf, int size, uint32_t address)
+{
+ uint8_t cmdbuf[16];
+ int transferred, ret, repeat;
+ uint32_t reftag;
+
+ fprintf(stderr, "[info]: downloading %d bytes from 0x%08x\n", size, address);
+ memset(cmdbuf, 0, sizeof(cmdbuf));
+
+ cmdbuf[0] = 0x05;
+
+ cmdbuf[1] = address & 0xff; /* addr LSB */
+ cmdbuf[2] = (address >> 8) & 0xff;
+ cmdbuf[3] = (address >> 16) & 0xff;
+ cmdbuf[4] = (address >> 24) & 0xff; /* addr MSB */
+
+ cmdbuf[5] = size & 0xff; /* len LSB */
+ cmdbuf[6] = (size >> 8) & 0xff;
+ cmdbuf[7] = (size >> 16) & 0xff;
+ cmdbuf[8] = (size >> 24) & 0xff; /* len MSB */
+
+ cmdbuf[9] = 0x80; /* send data from device */
+
+ send_msc_cmd(hdev, (void *)cmdbuf, size, &reftag);
+
+ memset(buf, 0, sizeof(buf));
+
+ /* get data from device */
+ repeat = 0;
+ do
+ {
+ ret = libusb_bulk_transfer(hdev, IN_EP, buf, size, &transferred, USB_TIMEOUT);
+ if (ret == LIBUSB_ERROR_PIPE)
+ {
+ libusb_clear_halt(hdev, IN_EP);
+ }
+ repeat++;
+ } while ((ret == LIBUSB_ERROR_PIPE) && (repeat < RETRY_MAX));
+
+ fprintf(stderr, "[info]: actual xfered data: %d bytes\n", transferred);
+
+ /* get CSW from device*/
+ fprintf(stderr, "[info]: CSW status: %d\n", get_msc_csw(hdev, reftag));
+}
+#endif
+
+static void adfu_execute(libusb_device_handle *hdev, uint32_t address)
+{
+ uint8_t cmdbuf[16];
+ uint32_t reftag;
+
+ fprintf(stderr, "[info]: jumping to address 0x%08x\n", address);
+ memset(cmdbuf, 0, sizeof(cmdbuf));
+
+ cmdbuf[0] = 0x10; /* execute */
+
+ cmdbuf[1] = address & 0xff; /* addr LSB */
+ cmdbuf[2] = (address >> 8) & 0xff;
+ cmdbuf[3] = (address >> 16) & 0xff;
+ cmdbuf[4] = (address >> 24) & 0xff; /* addr MSB */
+
+ send_msc_cmd(hdev, (void *)cmdbuf, 0, &reftag);
+
+ /* get CSW from device*/
+ fprintf(stderr, "[info]: CSW status: %d\n", get_msc_csw(hdev, reftag));
+}
+
+static void usage(char *name)
+{
+ printf("usage: (sudo) %s [-e] -s1 stage1.bin -s2 stage2.bin\n", name);
+ printf("stage1.bin - binary of the stage1 (ADEC_N63.BIN for example)\n");
+ printf("stage2.bin - binary of the custom user code\n");
+ printf("\n");
+ printf("options:\n");
+ printf("-e - encode stage1 binary as needed by brom adfu mode\n");
+}
+
+int main (int argc, char **argv)
+{
+ libusb_device_handle *hdev;
+ int ret = 0;
+ int i = 1;
+ uint8_t *buf;
+ uint32_t filesize, filesize_round;
+ char *s1_filename, *s2_filename;
+ bool encode = false;
+ FILE *fp;
+
+ while (i < argc)
+ {
+ if (strcmp(argv[i],"-e") == 0)
+ {
+ encode = true;
+ i++;
+ }
+ else if (strcmp(argv[i],"-s1") == 0)
+ {
+ i++;
+ if (i == argc)
+ {
+ usage(argv[0]);
+ return -1;
+ }
+ s1_filename = argv[i];
+ i++;
+ }
+ else if (strcmp(argv[i],"-s2") == 0)
+ {
+ i++;
+ if (i == argc)
+ {
+ usage(argv[0]);
+ return -2;
+ }
+ s2_filename = argv[i];
+ i++;
+ }
+ else
+ {
+ usage(argv[0]);
+ return -3;
+ }
+ }
+
+ /* print banner */
+ fprintf(stderr,"adfuload " VERSION "\n");
+ fprintf(stderr,"(C) Marcin Bukat 2013\n");
+ fprintf(stderr,"This is free software; see the source for copying conditions. There is NO\n");
+ fprintf(stderr,"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n");
+
+ /* initialize libusb */
+ libusb_init(NULL);
+
+ hdev = libusb_open_device_with_vid_pid(NULL, VENDORID, PRODUCTID);
+ if (hdev == NULL)
+ {
+ fprintf(stderr, "[error]: can't open device with VID:PID=0x%0x:0x%0x\n", VENDORID, PRODUCTID);
+ libusb_exit(NULL);
+ return -4;
+ }
+
+ ret = libusb_kernel_driver_active(hdev, 0);
+
+ if (ret < 0)
+ {
+ fprintf(stderr, "[error]: checking kernel driver active\n");
+ ret = -5;
+ goto end;
+ }
+ else
+ {
+ if (ret)
+ libusb_detach_kernel_driver(hdev, 0);
+ }
+
+ ret = libusb_set_configuration(hdev, 1);
+ if (ret < 0)
+ {
+ fprintf(stderr, "[error]: could not select configuration (1)\n");
+ ret = -6;
+ goto end;
+ }
+
+ ret = libusb_claim_interface(hdev, 0);
+ if (ret < 0)
+ {
+ fprintf(stderr, "[error]: could not claim interface #0\n");
+ ret = -7;
+ goto end;
+ }
+
+ ret = libusb_set_interface_alt_setting(hdev, 0, 0);
+ if ( ret != LIBUSB_SUCCESS)
+ {
+ fprintf(stderr, "[error]: could not set alt setting for interface #0\n");
+ ret = -8;
+ goto end;
+ }
+
+ fp = fopen(s1_filename, "rb");
+
+ if (fp == NULL)
+ {
+ fprintf(stderr, "[error]: Could not open file \"%s\"\n", s1_filename);
+ ret = -10;
+ goto end;
+ }
+
+ fseek(fp, 0, SEEK_END);
+ filesize = (uint32_t)ftell(fp);
+ fseek(fp, 0, SEEK_SET);
+
+ filesize_round = ( (filesize + 511) / 512 ) * 512;
+
+ buf = malloc(filesize_round);
+
+ if (buf == NULL)
+ {
+ fprintf(stderr, "[error]: Cannot allocate %d bytes of memory\n", filesize_round);
+ ret = -11;
+ goto end_fclose;
+ }
+
+ if (fread(buf, 1, filesize, fp) != filesize)
+ {
+ fprintf(stderr, "[error]: can't read file: %s\n", s1_filename);
+ ret = -12;
+ goto end_free;
+ }
+
+ fclose(fp);
+
+ fprintf(stderr, "[info]: file %s\n", s2_filename);
+
+ if (encode)
+ {
+ fprintf(stderr, "[info]: encrypting binary\n");
+ ret = encrypt(buf, filesize_round);
+
+ if (ret)
+ {
+ fprintf(stderr, "[error]: can't encrypt binary\n");
+ ret = -13;
+ goto end_free;
+ }
+ }
+
+ adfu_upload(hdev, buf, filesize_round, 0xb4040000);
+ adfu_execute(hdev, 0xb4040000);
+ /* Now ADEC_N63.BIN should be operational */
+
+ /* upload custom binary and run it */
+ fp = fopen(s2_filename, "rb");
+
+ if (fp == NULL)
+ {
+ fprintf(stderr, "[error]: could not open file \"%s\"\n", s2_filename);
+ ret = -20;
+ goto end;
+ }
+
+ fseek(fp, 0, SEEK_END);
+ filesize = (uint32_t)ftell(fp);
+ fseek(fp, 0, SEEK_SET);
+
+ buf = realloc(buf, filesize);
+
+ if (buf == NULL)
+ {
+ fprintf(stderr, "[error]: can't allocate %d bytes of memory\n", filesize);
+ ret = -21;
+ goto end_fclose;
+ }
+
+ if (fread(buf, 1, filesize, fp) != filesize)
+ {
+ fprintf(stderr, "[error]: can't read file: %s\n", s2_filename);
+ ret = -22;
+ goto end_free;
+ }
+
+ fprintf(stderr, "[info]: file %s\n", s2_filename);
+ /* upload binary to the begining of DRAM */
+ adfu_upload(hdev, buf, filesize, 0xa0000000);
+ adfu_execute(hdev, 0xa0000000);
+
+end_free:
+ free(buf);
+end_fclose:
+ fclose(fp);
+end:
+ libusb_close(hdev);
+ libusb_exit(NULL);
+
+ return ret;
+}
diff --git a/utils/atj2137/adfuload/encrypt.c b/utils/atj2137/adfuload/encrypt.c
new file mode 100644
index 0000000000..fee7a5a83d
--- /dev/null
+++ b/utils/atj2137/adfuload/encrypt.c
@@ -0,0 +1,96 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2013 by Amaury Pouly
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+const unsigned char xor_key[512] =
+{
+ 0x9b, 0x94, 0xf6, 0x9e, 0x2f, 0x0a, 0x40, 0xfd, 0x9a, 0x78, 0x2c, 0xdd, 0x4f, 0x96, 0x5e, 0xdd,
+ 0xc9, 0x01, 0xd3, 0x9d, 0x71, 0x8f, 0xda, 0xbb, 0xc1, 0xdf, 0x5f, 0x01, 0xaa, 0x35, 0x6f, 0xdc,
+ 0x33, 0x85, 0xf9, 0x10, 0x64, 0xce, 0xd2, 0xab, 0x62, 0xaa, 0xfc, 0x37, 0xdb, 0x22, 0x28, 0x34,
+ 0xa4, 0xc6, 0x79, 0xc6, 0xa1, 0xfe, 0x8b, 0xaa, 0xe6, 0x9b, 0xb4, 0x6e, 0x1b, 0xb1, 0x8a, 0xe2,
+ 0x25, 0xa9, 0xa5, 0xca, 0x03, 0x92, 0xa6, 0xd5, 0xf5, 0xb8, 0x77, 0xd3, 0xe4, 0x78, 0xd5, 0x22,
+ 0xfe, 0x52, 0x0c, 0x69, 0xa1, 0x40, 0x02, 0x89, 0x7a, 0x46, 0x77, 0xd1, 0xee, 0x4b, 0x8b, 0x72,
+ 0xb8, 0x27, 0x81, 0x32, 0xd4, 0xfd, 0xc2, 0x64, 0x9c, 0xcb, 0x25, 0x17, 0x32, 0x3f, 0x6d, 0x8e,
+ 0x1d, 0xcd, 0x14, 0xf0, 0x37, 0xfe, 0x47, 0x41, 0xc6, 0x0b, 0x31, 0x91, 0xe9, 0xaa, 0x7c, 0x73,
+ 0x36, 0x28, 0x15, 0xb1, 0xa1, 0xb8, 0x30, 0x3e, 0x9f, 0x0b, 0x8d, 0x6c, 0x8c, 0x20, 0xf9, 0x5f,
+ 0x4a, 0x5e, 0x17, 0xc2, 0x2c, 0xe0, 0x60, 0xb8, 0x12, 0x10, 0x69, 0x16, 0xd5, 0x77, 0x64, 0xcf,
+ 0xe5, 0xd3, 0xea, 0xb0, 0x30, 0x6a, 0xf8, 0x4d, 0x46, 0x9f, 0x37, 0x3b, 0xbb, 0xc3, 0x80, 0x7f,
+ 0xcd, 0x2d, 0x9f, 0x47, 0x47, 0x8d, 0x57, 0xd8, 0xa6, 0x7d, 0xa7, 0xc8, 0x79, 0x59, 0x4c, 0x6d,
+ 0x0e, 0x51, 0x87, 0x95, 0x4a, 0xbc, 0x20, 0x77, 0xd9, 0xaf, 0xab, 0xea, 0x88, 0xcf, 0x0a, 0xd5,
+ 0xee, 0x63, 0x33, 0xe7, 0x52, 0xae, 0x34, 0x88, 0xc9, 0x7b, 0x74, 0x0f, 0x9f, 0xf9, 0x3b, 0x35,
+ 0xf8, 0xc9, 0x74, 0xc9, 0xb7, 0x56, 0xb2, 0xa6, 0x9f, 0x65, 0x72, 0xe3, 0xb8, 0xed, 0xa0, 0x49,
+ 0xf5, 0x28, 0x5c, 0x0a, 0x13, 0xea, 0xfd, 0xaf, 0xc4, 0x32, 0x56, 0x53, 0x0d, 0xfe, 0x39, 0x0f,
+ 0xed, 0x64, 0x3a, 0xb5, 0x3f, 0xdf, 0xb5, 0xc1, 0xe1, 0xe7, 0x13, 0x8c, 0x16, 0xc4, 0x48, 0xc3,
+ 0x29, 0xa3, 0xa0, 0x18, 0x54, 0xea, 0xbc, 0x37, 0xdf, 0xc9, 0xd7, 0xfc, 0x8c, 0x11, 0x4f, 0xe3,
+ 0x33, 0x4a, 0x60, 0xc0, 0xaa, 0x00, 0x32, 0xb0, 0xe7, 0x5d, 0x16, 0x4f, 0x69, 0xfd, 0x0c, 0x2b,
+ 0xd4, 0xfd, 0x8a, 0x79, 0xdb, 0x55, 0x78, 0x07, 0x62, 0x68, 0x7f, 0x72, 0xe4, 0xda, 0x83, 0x99,
+ 0x13, 0xa2, 0x6e, 0x51, 0xbf, 0x60, 0x30, 0x5b, 0xf9, 0xf0, 0x04, 0x93, 0x78, 0x3f, 0xf4, 0x69,
+ 0x3c, 0x5d, 0x9f, 0x95, 0x70, 0xd4, 0x3a, 0x07, 0x95, 0x39, 0xd5, 0x1d, 0xdd, 0x00, 0xdf, 0x19,
+ 0xd5, 0x94, 0xed, 0xd2, 0x47, 0xa8, 0xb7, 0xaa, 0x5f, 0xc7, 0x63, 0xbf, 0x0c, 0x33, 0x07, 0x66,
+ 0xa9, 0xec, 0x69, 0xd5, 0xdd, 0x0f, 0x09, 0x1f, 0xc0, 0x61, 0x61, 0x66, 0x3f, 0x2c, 0x6b, 0x4b,
+ 0xc1, 0x4a, 0x64, 0xaa, 0x0b, 0x7f, 0xd0, 0x85, 0x60, 0x0c, 0xbe, 0x3d, 0xed, 0x80, 0x4d, 0x08,
+ 0x65, 0xd2, 0x6f, 0x9f, 0xe9, 0xad, 0xed, 0x37, 0x2a, 0x0b, 0xab, 0x00, 0xd1, 0x05, 0x2e, 0x18,
+ 0x1f, 0xe9, 0x5b, 0x41, 0xd0, 0x8e, 0x81, 0xd4, 0x46, 0xe4, 0x9a, 0x74, 0xe3, 0xcf, 0xce, 0x38,
+ 0xb7, 0x36, 0x39, 0x5c, 0x5b, 0x57, 0xee, 0x37, 0x1c, 0x5d, 0x3c, 0x6d, 0x5c, 0x34, 0x30, 0x66,
+ 0x36, 0x9c, 0x5a, 0xff, 0x61, 0x7c, 0xd4, 0x7f, 0x57, 0x79, 0x81, 0xcc, 0xb6, 0xc8, 0x93, 0xdf,
+ 0xe6, 0x40, 0x50, 0x75, 0xfc, 0xb4, 0x15, 0x07, 0xde, 0x7f, 0x9b, 0xfd, 0xa8, 0x60, 0x79, 0x1f,
+ 0x4f, 0x89, 0xea, 0x4c, 0x85, 0xf2, 0xd1, 0x6e, 0xdc, 0xf3, 0xfa, 0xad, 0x2d, 0x12, 0xa3, 0xe3,
+ 0x3b, 0x1a, 0x3b, 0x50, 0x94, 0x6d, 0x69, 0x90, 0xb8, 0x9a, 0x50, 0xc9, 0x7d, 0x32, 0x12, 0x29,
+};
+
+static void perm_it(unsigned char *data, int length)
+{
+ int i, j;
+ for(i = 0; (i + 12) < length; i += 12)
+ {
+ unsigned char perm[8];
+ perm[0] = data[i + 1];
+ perm[1] = data[i + 7];
+ perm[2] = data[i + 2];
+ perm[3] = data[i + 4];
+ perm[4] = data[i + 0];
+ perm[5] = data[i + 6];
+ perm[6] = data[i + 3];
+ perm[7] = data[i + 5];
+ for(j = 0; j < 8; j++)
+ data[i + j] = perm[j];
+ }
+}
+
+static void xor_it(unsigned char *data, int length)
+{
+ int i, j;
+ for(i = 0; i < length; i += 4)
+ {
+ unsigned char Ekey = xor_key[xor_key[data[i]] + 256];
+ for(j = 1; j < 4; j++)
+ data[i + j] ^= Ekey;
+ }
+}
+
+int encrypt(unsigned char *data, int length)
+{
+ if (length % 512)
+ return -1;
+
+ xor_it(data, length);
+ perm_it(data, length);
+
+ return 0;
+}
diff --git a/utils/atj2137/adfuload/encrypt.h b/utils/atj2137/adfuload/encrypt.h
new file mode 100644
index 0000000000..ba64c945ef
--- /dev/null
+++ b/utils/atj2137/adfuload/encrypt.h
@@ -0,0 +1,21 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2013 by Amaury Pouly
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+int encrypt(unsigned char *data, int length);