TY - JOUR TI - Quantitative information flow in sequential computer programs AU - Alvim, M.S. AU - Chatzikokolakis, K. AU - McIver, A. AU - Morgan, C. AU - Palamidessi, C. AU - Smith, G. JO - Information Security and Cryptography PY - 2020 VL - null TODO - null SP - 225-253 PB - Springer Science and Business Media Deutschland GmbH SN - null TODO - 10.1007/978-3-319-96131-6_13 TODO - Quantitative information flows TODO - Until this point, we have modeled systems as channels: either concretely as matrices of type $$\mathcal{X}\rightarrow\mathcal{Y}$$ for some input X and observation Y, or abstractly as functions $$\mathbb{D}\mathcal{X}\rightarrow\mathbb{D}^{2}\mathcal{X}$$ on $$\mathcal{X}$$ alone. © Springer Nature Switzerland AG 2020. ER -