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implement save file decryption/encryption

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This commit is contained in:
Martin Michelsen
2023-03-31 23:56:25 -07:00
parent 06ba95ed97
commit 3b9a76eec8
39 changed files with 666 additions and 205 deletions
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test-decode-gci.sh
Executable
+36
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#!/bin/sh
set -e
EXECUTABLE="$1"
if [ "$EXECUTABLE" == "" ]; then
EXECUTABLE="./newserv"
fi
echo "... decode GCIEpisode3.gci"
$EXECUTABLE decode-gci tests/GCIEpisode3.gci
diff tests/GCIEpisode3.dec tests/GCIEpisode3.gci.dec
echo "... decode GCIWithoutEncryption.gci"
$EXECUTABLE decode-gci tests/GCIWithoutEncryption.gci
diff tests/GCIWithoutEncryption.dec tests/GCIWithoutEncryption.gci.dec
echo "... decode GCIWithEmbeddedKey.gci"
$EXECUTABLE decode-gci tests/GCIWithEmbeddedKey.gci
diff tests/GCIWithEmbeddedKey.dec tests/GCIWithEmbeddedKey.gci.dec
echo "... decode GCIWithoutEmbeddedKey.gci"
$EXECUTABLE decode-gci tests/GCIWithoutEmbeddedKey.gci --seed=1705B11E
diff tests/GCIWithoutEmbeddedKey.dec tests/GCIWithoutEmbeddedKey.gci.dec
echo "... re-encrypt GCICharFile.gci"
./newserv encrypt-gci-save --sys=tests/GCISystemFile.gci tests/GCICharFile.gcid tests/GCICharFile.gci
./newserv decrypt-gci-save --sys=tests/GCISystemFile.gci tests/GCICharFile.gci tests/GCICharFile-redec.gcid
hexdump -vC tests/GCICharFile.gcid > tests/GCICharFile.gcid.hex
hexdump -vC tests/GCICharFile-redec.gcid > tests/GCICharFile-redec.gcid.hex
# There should be differences on two lines: the checksum and the round2 seed
NUM_DIFF_LINES=$(diff -y --suppress-common-lines tests/GCICharFile.gcid.hex tests/GCICharFile-redec.gcid.hex | wc -l)
if [[ $NUM_DIFF_LINES -ne 2 ]]; then
diff -U3 tests/GCICharFile.gcid.hex tests/GCICharFile-redec.gcid.hex
exit 1
fi
echo "... clean up"
rm tests/*.gci.dec tests/GCICharFile.gci tests/GCICharFile-redec.gcid tests/*.hex