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improve delete wallet performance by reducing overwrite entropy

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This commit is contained in:
Craig Raw 2022-05-24 09:03:47 +02:00
parent 2c1f7e181c
commit 0f2cf9c5bb
1 changed files with 2 additions and 2 deletions
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4
src/main/java/com/sparrowwallet/sparrow/io/IOUtils.java
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@ -131,13 +131,13 @@ public class IOUtils {
if(file.exists()) {
long length = file.length();
SecureRandom random = new SecureRandom();
byte[] data = new byte[64];
random.nextBytes(data);
try(RandomAccessFile raf = new RandomAccessFile(file, "rws")) {
raf.seek(0);
raf.getFilePointer();
byte[] data = new byte[64];
int pos = 0;
while(pos < length) {
random.nextBytes(data);
raf.write(data);
pos += data.length;
}