bump cryptolib to 2.1.0-rc1

Author: overheadhunter

pom.xml

@@ -18,7 +18,7 @@
 		<maven.compiler.release>17</maven.compiler.release>
 
 		<!-- dependencies -->
-		<cryptolib.version>2.0.3</cryptolib.version>
+		<cryptolib.version>2.1.0-rc1</cryptolib.version>
 		<jwt.version>4.0.0</jwt.version>
 		<dagger.version>2.44</dagger.version>
 		<guava.version>31.1-jre</guava.version>

src/main/java/org/cryptomator/cryptofs/LongFileNameProvider.java

@@ -82,11 +82,13 @@ public String inflate(Path c9sPath) throws IOException {
 	public DeflatedFileName deflate(Path c9rPath) {
 		String longFileName = c9rPath.getFileName().toString();
 		byte[] longFileNameBytes = longFileName.getBytes(UTF_8);
-		byte[] hash = MessageDigestSupplier.SHA1.get().digest(longFileNameBytes);
-		String shortName = BASE64.encode(hash) + DEFLATED_FILE_SUFFIX;
-		Path c9sPath = c9rPath.resolveSibling(shortName);
-		longNames.put(c9sPath, longFileName);
-		return new DeflatedFileName(c9sPath, longFileName, readonlyFlag);
+		try (var sha1 = MessageDigestSupplier.SHA1.instance()) {
+			byte[] hash = sha1.get().digest(longFileNameBytes);
+			String shortName = BASE64.encode(hash) + DEFLATED_FILE_SUFFIX;
+			Path c9sPath = c9rPath.resolveSibling(shortName);
+			longNames.put(c9sPath, longFileName);
+			return new DeflatedFileName(c9sPath, longFileName, readonlyFlag);
+		}
 	}
 
 	public static class DeflatedFileName {

src/main/java/org/cryptomator/cryptofs/health/shortened/ShortenedNamesCheck.java

@@ -148,8 +148,10 @@ enum SyntaxResult {
 		//visible for testing
 		String deflate(String longFileName) {
 			byte[] longFileNameBytes = longFileName.getBytes(UTF_8);
-			byte[] hash = MessageDigestSupplier.SHA1.get().digest(longFileNameBytes);
-			return BASE64URL.encode(hash) + DEFLATED_FILE_SUFFIX;
+			try (var sha1 = MessageDigestSupplier.SHA1.instance()) {
+				byte[] hash = sha1.get().digest(longFileNameBytes);
+				return BASE64URL.encode(hash) + DEFLATED_FILE_SUFFIX;
+			}
 		}
 
 	}

src/main/java/org/cryptomator/cryptofs/migration/v7/FilePathMigration.java

@@ -232,8 +232,10 @@ String getNewDeflatedName() throws InvalidOldFilenameException {
 		String inflatedName = getNewInflatedName();
 		if (inflatedName.length() > SHORTENING_THRESHOLD) {
 			byte[] longFileNameBytes = inflatedName.getBytes(UTF_8);
-			byte[] hash = MessageDigestSupplier.SHA1.get().digest(longFileNameBytes);
-			return BASE64.encode(hash) + NEW_SHORTENED_SUFFIX;
+			try (var sha1 = MessageDigestSupplier.SHA1.instance()) {
+				byte[] hash = sha1.get().digest(longFileNameBytes);
+				return BASE64.encode(hash) + NEW_SHORTENED_SUFFIX;
+			}
 		} else {
 			return inflatedName;
 		}