Function shaman::cryptoutil::symm_enc_or_dec

pub fn symm_enc_or_dec<S: SynchronousStreamCipher, R: ReadBuffer, W: WriteBuffer>(
    c: &mut S, 
    input: &mut R, 
    output: &mut W
) -> Result<BufferResult, SymmetricCipherError>

symm_enc_or_dec() implements the necessary functionality to turn a SynchronousStreamCipher into an Encryptor or Decryptor