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Correct offset to be in sectors, not bytes

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Jarrod Johnson 2021-07-23 17:32:42 -04:00
parent 81b4da6a95
commit 7f468c3a91
1 changed files with 1 additions and 1 deletions
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2
imgutil/imgutil
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@ -284,7 +284,7 @@ def encrypt_image(plainfile, cryptfile, keyfile):
neededblocks += 1
loopdev = subprocess.check_output(['losetup', '-f']).decode('utf8').strip()
subprocess.check_call(['losetup', loopdev, cryptfile])
subprocess.check_call(['dmsetup', 'create', dmname, '--table', '0 {} crypt aes-xts-plain64 {} 0 {} 4096'.format(neededblocks, key, loopdev)])
subprocess.check_call(['dmsetup', 'create', dmname, '--table', '0 {} crypt aes-xts-plain64 {} 0 {} 8'.format(neededblocks, key, loopdev)])
with open('/dev/mapper/{}'.format(dmname), 'wb') as cryptout:
with open(plainfile, 'rb') as plainin:
chunk = plainin.read(65536)