throw SecurityException in Loader, because that gets caught in Restor…

…eCoordinator

app/src/main/java/com/stevesoltys/seedvault/repo/Loader.kt

@@ -19,7 +19,6 @@ import java.io.ByteArrayInputStream
 import java.io.File
 import java.io.InputStream
 import java.io.SequenceInputStream
-import java.security.GeneralSecurityException
 import java.util.Enumeration
 
 internal class Loader(
@@ -79,11 +78,11 @@ internal class Loader(
         // check SHA-256 hash first thing
         val sha256 = crypto.sha256(cipherText).toHexString()
         if (sha256 != expectedHash) {
-            throw GeneralSecurityException("File had wrong SHA-256 hash: $handle")
+            throw SecurityException("File had wrong SHA-256 hash: $handle")
         }
         // check that we can handle the version of that snapshot
         val version = cipherText[0]
-        if (version <= 1) throw GeneralSecurityException("Unexpected version: $version")
+        if (version <= 1) throw SecurityException("Unexpected version: $version")
         if (version > VERSION) throw UnsupportedVersionException(version)
         // cache ciperText in cacheFile, if existing
         try {