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Got rid of code to explicitly set all of card's memory to 0.

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Dom 2018-04-09 20:37:42 +01:00
commit a5bdc2d1d1
1 changed files with 2 additions and 13 deletions
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15
client/scripts/mifarePlus.lua
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@ -67,29 +67,18 @@ function writePerso()
-- 0x0C - unexpected command length -- 0x0C - unexpected command length
-- First, set all the data in the card to zeros. The keys, stored in the sector trailer block, are also set to zeros.
-- The only block which cannot be explicitly set is block 0x0000, the manufacturer block.
print("Setting values of normal blocks")
cardsize = 4 --need to set to 4 for 4k or 2 for 2k cardsize = 4 --need to set to 4 for 4k or 2 for 2k
if(cardsize == 4) then if(cardsize == 4) then
numblocks = 255
numsectors = 39 numsectors = 39
elseif(cardsize == 2) then elseif(cardsize == 2) then
numblocks = 127
numsectors = 31 numsectors = 31
else else
oops("Invalid card size") oops("Invalid card size")
end end
for i=1,numblocks,1 do --skip block 0 -- Write to the AES sector keys
--convert the number to hex with leading zeros, then use it as the block number in writeBlock()
blocknum = string.format("%04x", i)
writeBlock(blocknum, SIXTEEN_BYTES_ZEROS)
end
print("Finished setting values of normal blocks")
print("Setting AES Sector keys") print("Setting AES Sector keys")
-- Next, write to the AES sector keys
for i=0,numsectors do --for each sector number for i=0,numsectors do --for each sector number
local keyA_block = "40" .. string.format("%02x", i * 2) local keyA_block = "40" .. string.format("%02x", i * 2)
local keyB_block = "40" .. string.format("%02x", (i * 2) + 1) local keyB_block = "40" .. string.format("%02x", (i * 2) + 1)