mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-03-15 17:44:34 +08:00
ADD: new tests for the T55XX commands.
CHG: minor output messages in cmdlft55xx.c
This commit is contained in:
iceman1001
parent
78e875807f
commit
ca65d3af86
6 changed files with 452 additions and 62 deletions
|
|
@ -276,8 +276,8 @@ int CmdT55xxDetect(const char *Cmd){
|
|||
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
|
||||
return usage_t55xx_detect();
|
||||
|
||||
if ( strlen(Cmd)==0)
|
||||
AquireData(CONFIGURATION_BLOCK);
|
||||
if (strlen(Cmd)==0)
|
||||
AquireData( CONFIGURATION_BLOCK );
|
||||
|
||||
if ( !tryDetectModulation() )
|
||||
PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");
|
||||
|
|
@ -534,7 +534,6 @@ int special(const char *Cmd) {
|
|||
//PrintAndLog("[%02d] 0x%08X %s %s",j , blockData, sprint_bin(bits,32), indicate);
|
||||
PrintAndLog("[%02d] 0x%08X %s",j , blockData, sprint_bin(bits,32));
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -566,16 +565,14 @@ int CmdT55xxWriteBlock(const char *Cmd)
|
|||
}
|
||||
|
||||
if (block > 7) {
|
||||
PrintAndLog("Block must be between 0 and 7");
|
||||
PrintAndLog("Block number must be between 0 and 7");
|
||||
return 1;
|
||||
}
|
||||
|
||||
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
|
||||
c.d.asBytes[0] = 0x0;
|
||||
|
||||
PrintAndLog("Writing to T55x7");
|
||||
PrintAndLog("block : %d", block);
|
||||
PrintAndLog("data : 0x%08X", data);
|
||||
PrintAndLog("Writing to block: %d data: 0x%08X", block, data);
|
||||
|
||||
//Password mode
|
||||
if (res == 3) {
|
||||
|
|
@ -594,9 +591,8 @@ int CmdT55xxReadTrace(const char *Cmd)
|
|||
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H')
|
||||
return usage_t55xx_trace();
|
||||
|
||||
if ( strlen(Cmd)==0){
|
||||
if (strlen(Cmd)==0)
|
||||
AquireData( TRACE_BLOCK );
|
||||
}
|
||||
|
||||
DecodeT55xxBlock();
|
||||
|
||||
|
|
|
|||
139
client/scripts/test_t55x7_ask.lua
Normal file
139
client/scripts/test_t55x7_ask.lua
Normal file
|
|
@ -0,0 +1,139 @@
|
|||
local cmds = require('commands')
|
||||
local getopt = require('getopt')
|
||||
local bin = require('bin')
|
||||
local utils = require('utils')
|
||||
|
||||
local format=string.format
|
||||
local floor=math.floor
|
||||
|
||||
example =[[
|
||||
1. script run test_t55x7_ask
|
||||
]]
|
||||
author = "Iceman"
|
||||
usage = "script run test_t55x7_ask"
|
||||
desc =[[
|
||||
This script will program a T55x7 TAG with the configuration: block 0x00 data 0x000100
|
||||
The outlined procedure is as following:
|
||||
|
||||
--ASK
|
||||
00 00 80 40
|
||||
-- max 2
|
||||
-- manchester
|
||||
-- bit rate
|
||||
|
||||
"lf t55xx write 0 00008040"
|
||||
"lf t55xx detect"
|
||||
"lf t55xx info"
|
||||
|
||||
Loop:
|
||||
change the configuretion block 0 with:
|
||||
-xx 00 xxxx = RF/8
|
||||
-xx 04 xxxx = RF/16
|
||||
-xx 08 xxxx = RF/32
|
||||
-xx 0C xxxx = RF/40
|
||||
-xx 10 xxxx = RF/50
|
||||
-xx 14 xxxx = RF/64
|
||||
-xx 18 xxxx = RF/100
|
||||
-xx 1C xxxx = RF/128
|
||||
|
||||
|
||||
testsuit for the ASK/MANCHESTER demod
|
||||
|
||||
Arguments:
|
||||
-h : this help
|
||||
]]
|
||||
|
||||
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
|
||||
local DEBUG = true -- the debug flag
|
||||
|
||||
--BLOCK 0 = 00008040 ASK / MAN
|
||||
local config1 = '00'
|
||||
local config2 = '8040'
|
||||
|
||||
local procedurecmds = {
|
||||
[1] = '%s%02X%s',
|
||||
[2] = 'lf t55xx detect',
|
||||
[3] = 'lf t55xx info',
|
||||
}
|
||||
---
|
||||
-- A debug printout-function
|
||||
function dbg(args)
|
||||
if not DEBUG then
|
||||
return
|
||||
end
|
||||
|
||||
if type(args) == "table" then
|
||||
local i = 1
|
||||
while args[i] do
|
||||
dbg(args[i])
|
||||
i = i+1
|
||||
end
|
||||
else
|
||||
print("###", args)
|
||||
end
|
||||
end
|
||||
---
|
||||
-- This is only meant to be used when errors occur
|
||||
function oops(err)
|
||||
print("ERROR: ",err)
|
||||
end
|
||||
---
|
||||
-- Usage help
|
||||
function help()
|
||||
print(desc)
|
||||
print("Example usage")
|
||||
print(example)
|
||||
end
|
||||
--
|
||||
-- Exit message
|
||||
function ExitMsg(msg)
|
||||
print( string.rep('--',20) )
|
||||
print( string.rep('--',20) )
|
||||
print(msg)
|
||||
print()
|
||||
end
|
||||
|
||||
function test()
|
||||
local y
|
||||
for y = 0x0, 0x1d, 0x4 do
|
||||
for _ = 1, #procedurecmds do
|
||||
local pcmd = procedurecmds[_]
|
||||
|
||||
if #pcmd == 0 then
|
||||
|
||||
elseif _ == 1 then
|
||||
|
||||
local config = pcmd:format(config1, y, config2)
|
||||
dbg(('lf t55xx write 0 %s'):format(config))
|
||||
config = tonumber(config,16)
|
||||
|
||||
local writecmd = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config}
|
||||
local err = core.SendCommand(writecmd:getBytes())
|
||||
if err then return oops(err) end
|
||||
local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
|
||||
|
||||
else
|
||||
dbg(pcmd)
|
||||
core.console( pcmd )
|
||||
end
|
||||
end
|
||||
core.clearCommandBuffer()
|
||||
end
|
||||
print( string.rep('--',20) )
|
||||
end
|
||||
|
||||
local function main(args)
|
||||
|
||||
print( string.rep('--',20) )
|
||||
print( string.rep('--',20) )
|
||||
|
||||
-- Arguments for the script
|
||||
for o, arg in getopt.getopt(args, 'h') do
|
||||
if o == "h" then return help() end
|
||||
end
|
||||
|
||||
core.clearCommandBuffer()
|
||||
test()
|
||||
print( string.rep('--',20) )
|
||||
end
|
||||
main(args)
|
||||
132
client/scripts/test_t55x7_bi.lua
Normal file
132
client/scripts/test_t55x7_bi.lua
Normal file
|
|
@ -0,0 +1,132 @@
|
|||
local cmds = require('commands')
|
||||
local getopt = require('getopt')
|
||||
local bin = require('bin')
|
||||
local utils = require('utils')
|
||||
|
||||
example =[[
|
||||
1. script run test_t55x7_bi
|
||||
]]
|
||||
author = "Iceman"
|
||||
usage = "script run test_t55x7_bi"
|
||||
desc =[[
|
||||
This script will program a T55x7 TAG with the configuration: block 0x00 data 0x00010040
|
||||
The outlined procedure is as following:
|
||||
|
||||
--BIPHASE 00010040
|
||||
--
|
||||
|
||||
"lf t55xx write 0 00010040"
|
||||
"lf t55xx detect"
|
||||
"lf t55xx info"
|
||||
|
||||
Loop:
|
||||
change the configuretion block 0 with:
|
||||
-xx01xxxx = RF/8
|
||||
-xx05xxxx = RF/16
|
||||
-xx09xxxx = RF/32
|
||||
-xx0Dxxxx = RF/40
|
||||
-xx11xxxx = RF/50
|
||||
-xx15xxxx = RF/64
|
||||
-xx19xxxx = RF/100
|
||||
-xx1Dxxxx = RF/128
|
||||
|
||||
|
||||
testsuit for the BIPHASE demod
|
||||
|
||||
Arguments:
|
||||
-h : this help
|
||||
]]
|
||||
|
||||
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
|
||||
local DEBUG = true -- the debug flag
|
||||
|
||||
--BLOCK 0 = 00010040 BIPHASE
|
||||
local config1 = '00'
|
||||
local config2 = '0040'
|
||||
|
||||
local procedurecmds = {
|
||||
[1] = '%s%02X%s',
|
||||
[2] = 'lf t55xx detect',
|
||||
[3] = 'lf t55xx info',
|
||||
}
|
||||
---
|
||||
-- A debug printout-function
|
||||
function dbg(args)
|
||||
if not DEBUG then
|
||||
return
|
||||
end
|
||||
|
||||
if type(args) == "table" then
|
||||
local i = 1
|
||||
while args[i] do
|
||||
dbg(args[i])
|
||||
i = i+1
|
||||
end
|
||||
else
|
||||
print("###", args)
|
||||
end
|
||||
end
|
||||
---
|
||||
-- This is only meant to be used when errors occur
|
||||
function oops(err)
|
||||
print("ERROR: ",err)
|
||||
end
|
||||
---
|
||||
-- Usage help
|
||||
function help()
|
||||
print(desc)
|
||||
print("Example usage")
|
||||
print(example)
|
||||
end
|
||||
--
|
||||
-- Exit message
|
||||
function ExitMsg(msg)
|
||||
print( string.rep('--',20) )
|
||||
print( string.rep('--',20) )
|
||||
print(msg)
|
||||
print()
|
||||
end
|
||||
|
||||
function test()
|
||||
local y
|
||||
for y = 1, 0x1D, 4 do
|
||||
for _ = 1, #procedurecmds do
|
||||
local pcmd = procedurecmds[_]
|
||||
|
||||
if #pcmd == 0 then
|
||||
|
||||
elseif _ == 1 then
|
||||
|
||||
local config = pcmd:format(config1, y, config2)
|
||||
dbg(('lf t55xx write 0 %s'):format(config))
|
||||
|
||||
local writecmd = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config ,arg2 = 0, arg3 = 0}
|
||||
local err = core.SendCommand(writecmd:getBytes())
|
||||
if err then return oops(err) end
|
||||
local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
|
||||
else
|
||||
dbg(pcmd)
|
||||
core.console( pcmd )
|
||||
end
|
||||
end
|
||||
core.clearCommandBuffer()
|
||||
end
|
||||
print( string.rep('--',20) )
|
||||
|
||||
end
|
||||
|
||||
local function main(args)
|
||||
|
||||
print( string.rep('--',20) )
|
||||
print( string.rep('--',20) )
|
||||
|
||||
-- Arguments for the script
|
||||
for o, arg in getopt.getopt(args, 'h') do
|
||||
if o == "h" then return help() end
|
||||
end
|
||||
|
||||
core.clearCommandBuffer()
|
||||
test()
|
||||
print( string.rep('--',20) )
|
||||
end
|
||||
main(args)
|
||||
139
client/scripts/test_t55x7_fsk.lua
Normal file
139
client/scripts/test_t55x7_fsk.lua
Normal file
|
|
@ -0,0 +1,139 @@
|
|||
local cmds = require('commands')
|
||||
local getopt = require('getopt')
|
||||
local bin = require('bin')
|
||||
local utils = require('utils')
|
||||
|
||||
example =[[
|
||||
1. script run test_t55x7_fsk
|
||||
]]
|
||||
author = "Iceman"
|
||||
usage = "script run test_t55x7_fsk"
|
||||
desc =[[
|
||||
This script will program a T55x7 TAG with the configuration: block 0x00 data 0x000100
|
||||
The outlined procedure is as following:
|
||||
|
||||
--ASK
|
||||
00 00 80 40
|
||||
-- max 2 blocks
|
||||
-- FSK1
|
||||
-- bit rate
|
||||
|
||||
"lf t55xx write 0 00007040"
|
||||
"lf t55xx detect"
|
||||
"lf t55xx info"
|
||||
|
||||
Loop:
|
||||
change the configuretion block 0 with:
|
||||
-xx 00 xxxx = RF/8
|
||||
-xx 04 xxxx = RF/16
|
||||
-xx 08 xxxx = RF/32
|
||||
-xx 0C xxxx = RF/40
|
||||
-xx 10 xxxx = RF/50
|
||||
-xx 14 xxxx = RF/64
|
||||
-xx 18 xxxx = RF/100
|
||||
-xx 1C xxxx = RF/128
|
||||
|
||||
|
||||
testsuit for the ASK/MANCHESTER demod
|
||||
|
||||
Arguments:
|
||||
-h : this help
|
||||
]]
|
||||
|
||||
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
|
||||
local DEBUG = true -- the debug flag
|
||||
|
||||
--BLOCK 0 = 00008040 FSK
|
||||
local config1 = '00'
|
||||
local config2 = '040'
|
||||
|
||||
local procedurecmds = {
|
||||
[1] = '%s%02X%X%s',
|
||||
[2] = 'lf t55xx detect',
|
||||
[3] = 'lf t55xx info',
|
||||
}
|
||||
---
|
||||
-- A debug printout-function
|
||||
function dbg(args)
|
||||
if not DEBUG then
|
||||
return
|
||||
end
|
||||
|
||||
if type(args) == "table" then
|
||||
local i = 1
|
||||
while args[i] do
|
||||
dbg(args[i])
|
||||
i = i+1
|
||||
end
|
||||
else
|
||||
print("###", args)
|
||||
end
|
||||
end
|
||||
---
|
||||
-- This is only meant to be used when errors occur
|
||||
function oops(err)
|
||||
print("ERROR: ",err)
|
||||
end
|
||||
---
|
||||
-- Usage help
|
||||
function help()
|
||||
print(desc)
|
||||
print("Example usage")
|
||||
print(example)
|
||||
end
|
||||
--
|
||||
-- Exit message
|
||||
function ExitMsg(msg)
|
||||
print( string.rep('--',20) )
|
||||
print( string.rep('--',20) )
|
||||
print(msg)
|
||||
print()
|
||||
end
|
||||
|
||||
function test(modulation)
|
||||
local y
|
||||
for y = 0x0, 0x1d, 0x4 do
|
||||
for _ = 1, #procedurecmds do
|
||||
local pcmd = procedurecmds[_]
|
||||
|
||||
if #pcmd == 0 then
|
||||
|
||||
elseif _ == 1 then
|
||||
|
||||
local config = pcmd:format(config1, y, modulation, config2)
|
||||
dbg(('lf t55xx write 0 %s'):format(config))
|
||||
|
||||
config = tonumber(config,16)
|
||||
local writecmd = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config}
|
||||
local err = core.SendCommand(writecmd:getBytes())
|
||||
if err then return oops(err) end
|
||||
local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
|
||||
|
||||
else
|
||||
dbg(pcmd)
|
||||
core.console( pcmd )
|
||||
end
|
||||
end
|
||||
core.clearCommandBuffer()
|
||||
end
|
||||
print( string.rep('--',20) )
|
||||
end
|
||||
|
||||
local function main(args)
|
||||
|
||||
print( string.rep('--',20) )
|
||||
print( string.rep('--',20) )
|
||||
|
||||
-- Arguments for the script
|
||||
for o, arg in getopt.getopt(args, 'h') do
|
||||
if o == "h" then return help() end
|
||||
end
|
||||
|
||||
core.clearCommandBuffer()
|
||||
test(4)
|
||||
test(5)
|
||||
test(6)
|
||||
test(7)
|
||||
print( string.rep('--',20) )
|
||||
end
|
||||
main(args)
|
||||
|
|
@ -2,15 +2,14 @@ local cmds = require('commands')
|
|||
local getopt = require('getopt')
|
||||
local bin = require('bin')
|
||||
local utils = require('utils')
|
||||
local dumplib = require('html_dumplib')
|
||||
|
||||
example =[[
|
||||
1. script run tracetest
|
||||
2. script run tracetest -o
|
||||
1. script run test_t55x7_psk
|
||||
2. script run test_t55x7_psk -o
|
||||
|
||||
]]
|
||||
author = "Iceman"
|
||||
usage = "script run test_t55x7_psk -o <filename>"
|
||||
usage = "script run test_t55x7_psk"
|
||||
desc =[[
|
||||
This script will program a T55x7 TAG with the configuration: block 0x00 data 0x00088040
|
||||
The outlined procedure is as following:
|
||||
|
|
@ -39,26 +38,31 @@ In all 12 individual test for the PSK demod
|
|||
|
||||
Arguments:
|
||||
-h : this help
|
||||
-o : logfile name
|
||||
]]
|
||||
|
||||
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
|
||||
local DEBUG = true -- the debug flag
|
||||
|
||||
--BLOCK 0 = 00088040
|
||||
local config1 = '0008'
|
||||
--BLOCK 0 = 00088040 PSK
|
||||
local config1 = '0014'
|
||||
local config2 = '40'
|
||||
|
||||
-- local procedurecmds = {
|
||||
-- [1] = '%s%s%s%s',
|
||||
-- [2] = 'lf read',
|
||||
-- --[3] = '',
|
||||
-- [3] = 'data samples',
|
||||
-- [4] = 'data pskdetectclock',
|
||||
-- [5] = 'data psknrzrawdemod',
|
||||
-- [6] = 'data pskindalademod',
|
||||
-- }
|
||||
|
||||
local procedurecmds = {
|
||||
[1] = '%s%s%s%s',
|
||||
[2] = 'lf read',
|
||||
[2] = 'lf t55xx detect',
|
||||
--[3] = '',
|
||||
[3] = 'data samples',
|
||||
[4] = 'data pskdetectclock',
|
||||
[5] = 'data psknrzrawdemod',
|
||||
[6] = 'data pskindalademod',
|
||||
[3] = 'lf t55xx info',
|
||||
}
|
||||
|
||||
---
|
||||
-- A debug printout-function
|
||||
function dbg(args)
|
||||
|
|
@ -97,7 +101,7 @@ function ExitMsg(msg)
|
|||
print()
|
||||
end
|
||||
|
||||
function pskTest(modulation)
|
||||
function test(modulation)
|
||||
local y
|
||||
for y = 0, 8, 4 do
|
||||
for _ = 1, #procedurecmds do
|
||||
|
|
@ -109,24 +113,14 @@ function pskTest(modulation)
|
|||
|
||||
dbg("Writing to T55x7 TAG")
|
||||
|
||||
local configdata = cmd:format( config1, modulation , y, config2)
|
||||
local config = cmd:format( config1, modulation , y, config2)
|
||||
dbg(('lf t55xx write 0 %s'):format(config))
|
||||
|
||||
dbg( configdata)
|
||||
|
||||
local writecommand = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = configdata ,arg2 = 0, arg3 = 0}
|
||||
config = tonumber(config,16)
|
||||
local writecommand = Command:new{cmd = cmds.CMD_T55XX_WRITE_BLOCK, arg1 = config ,arg2 = 0, arg3 = 0}
|
||||
local err = core.SendCommand(writecommand:getBytes())
|
||||
if err then return oops(err) end
|
||||
local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
|
||||
|
||||
if response then
|
||||
local count,cmd,arg0 = bin.unpack('LL',response)
|
||||
if(arg0==1) then
|
||||
dbg("Writing success")
|
||||
else
|
||||
return nil, "Couldn't read block.."
|
||||
end
|
||||
end
|
||||
|
||||
else
|
||||
dbg(cmd)
|
||||
core.console( cmd )
|
||||
|
|
@ -135,7 +129,6 @@ function pskTest(modulation)
|
|||
core.clearCommandBuffer()
|
||||
end
|
||||
print( string.rep('--',20) )
|
||||
|
||||
end
|
||||
|
||||
local function main(args)
|
||||
|
|
@ -143,20 +136,17 @@ local function main(args)
|
|||
print( string.rep('--',20) )
|
||||
print( string.rep('--',20) )
|
||||
|
||||
local outputTemplate = os.date("testpsk_%Y-%m-%d_%H%M%S")
|
||||
|
||||
-- Arguments for the script
|
||||
for o, arg in getopt.getopt(args, 'ho:') do
|
||||
for o, arg in getopt.getopt(args, 'h') do
|
||||
if o == "h" then return help() end
|
||||
if o == "o" then outputTemplate = arg end
|
||||
end
|
||||
|
||||
core.clearCommandBuffer()
|
||||
|
||||
pskTest(1)
|
||||
pskTest(2)
|
||||
pskTest(3)
|
||||
pskTest(8)
|
||||
test(1)
|
||||
test(2)
|
||||
test(3)
|
||||
test(8)
|
||||
|
||||
print( string.rep('--',20) )
|
||||
end
|
||||
|
|
|
|||
|
|
@ -6,19 +6,20 @@ local dumplib = require('html_dumplib')
|
|||
|
||||
example =[[
|
||||
1. script run tracetest
|
||||
2. script run tracetest -o
|
||||
|
||||
]]
|
||||
author = "Iceman"
|
||||
usage = "script run tracetest -o <filename>"
|
||||
usage = "script run tracetest"
|
||||
desc =[[
|
||||
This script will load several traces files in ../traces/ folder and do
|
||||
"data load"
|
||||
"lf search"
|
||||
"lf search 1 u"
|
||||
|
||||
The following tracefiles will be loaded:
|
||||
em*.pm3
|
||||
m*.pm3
|
||||
|
||||
Arguments:
|
||||
-h : this help
|
||||
-o : logfile name
|
||||
]]
|
||||
|
||||
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
|
||||
|
|
@ -71,14 +72,14 @@ local function main(args)
|
|||
local tracesEM = "find '../traces/' -iname 'em*.pm3' -type f"
|
||||
local tracesMOD = "find '../traces/' -iname 'm*.pm3' -type f"
|
||||
|
||||
local write2File = false
|
||||
local outputTemplate = os.date("testtest_%Y-%m-%d_%H%M%S")
|
||||
|
||||
-- Arguments for the script
|
||||
for o, arg in getopt.getopt(args, 'ho:') do
|
||||
for o, arg in getopt.getopt(args, 'h') do
|
||||
if o == "h" then return help() end
|
||||
if o == "o" then outputTemplate = arg end
|
||||
end
|
||||
|
||||
|
||||
core.clearCommandBuffer()
|
||||
|
||||
local files = {}
|
||||
|
|
@ -97,7 +98,7 @@ local function main(args)
|
|||
end
|
||||
p.close();
|
||||
|
||||
local cmdLFSEARCH = "lf search 1"
|
||||
local cmdLFSEARCH = "lf search 1 u"
|
||||
|
||||
-- main loop
|
||||
io.write('Starting to test traces > ')
|
||||
|
|
@ -119,13 +120,6 @@ local function main(args)
|
|||
end
|
||||
io.write('\n')
|
||||
|
||||
-- Write dump to files
|
||||
if not DEBUG then
|
||||
local bar = dumplib.SaveAsText(emldata, outputTemplate..'.txt')
|
||||
print(("Wrote output to: %s"):format(bar))
|
||||
end
|
||||
|
||||
-- Show info
|
||||
print( string.rep('--',20) )
|
||||
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in a new issue