f Address comments

Author: tnull

src/util/key_obfuscator.rs

@@ -81,7 +81,6 @@ impl KeyObfuscator {
 		let (wrapped_nonce_bytes, wrapped_nonce_tag_bytes) = remaining.split_at(NONCE_LENGTH);
 		let mut wrapped_nonce_tag = [0u8; TAG_LENGTH];
 		wrapped_nonce_tag.copy_from_slice(wrapped_nonce_tag_bytes);
-		debug_assert_eq!(wrapped_nonce_tag.len(), TAG_LENGTH);
 
 		// Unwrap wrapped_nonce to get nonce.
 		let mut wrapped_nonce = [0u8; NONCE_LENGTH];

src/util/storable_builder.rs

@@ -72,6 +72,10 @@ impl<T: EntropySource> StorableBuilder<T> {
 		let encryption_metadata = storable
 			.encryption_metadata
 			.ok_or_else(|| Error::new(ErrorKind::InvalidData, "Invalid Metadata"))?;
+
+		if encryption_metadata.nonce.len() != 12 {
+			return Err(Error::new(ErrorKind::InvalidData, "Invalid Metadata"));
+		}
 		let mut nonce = [0u8; 12];
 		nonce.copy_from_slice(&encryption_metadata.nonce);