NewAesDecryptionStream creates a new AES encryption stream based on given key and IV.

NewAesEncryptionStream creates a new AES description stream based on given key and IV.

NewChaCha20Stream creates a new Chacha20 encryption/descryption stream based on give key and IV.

NewCryptionWriter creates a new CryptionWriter.

ChunkSizeDecoder is an utility class to decode size value from bytes.

ChunkSizeEncoder is an utility class to encode size value into bytes.