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Don't swallow the exception on checksum errors.

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Maschell 2019-04-14 14:49:47 +02:00
parent 7d8bb58cc4
commit 1698acb3f6
1 changed files with 8 additions and 12 deletions
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20
src/de/mas/wiiu/jnus/utils/cryptography/NUSDecryption.java
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@ -280,19 +280,15 @@ public class NUSDecryption extends AESDecryption {
decryptFileStreamHashed(inputStream, outputStream, size, offset, (short) contentIndex, h3);
} else {
try {
byte[] h3Hash = content.getSHA2Hash();
// We want to check if we read the whole file or just a part of it.
// There should be only one actual file inside a non-hashed content.
// But it could also contain a directory, so we need to filter.
long fstFileSize = content.getEntries().stream().filter(f -> !f.isDir()).findFirst().map(f -> f.getFileSize()).orElse(0L);
if (size > 0 && size < fstFileSize) {
h3Hash = null;
}
decryptFileStream(inputStream, outputStream, size, offset, (short) contentIndex, h3Hash, encryptedFileSize);
} catch (Exception e) {
e.printStackTrace();
byte[] h3Hash = content.getSHA2Hash();
// We want to check if we read the whole file or just a part of it.
// There should be only one actual file inside a non-hashed content.
// But it could also contain a directory, so we need to filter.
long fstFileSize = content.getEntries().stream().filter(f -> !f.isDir()).findFirst().map(f -> f.getFileSize()).orElse(0L);
if (size > 0 && size < fstFileSize) {
h3Hash = null;
}
decryptFileStream(inputStream, outputStream, size, offset, (short) contentIndex, h3Hash, encryptedFileSize);
}
} else {
StreamUtils.saveInputStreamToOutputStreamWithHash(inputStream, outputStream, size, content.getSHA2Hash(), encryptedFileSize);