Africa abounds with examples of material and immaterial innovations that were envisaged, developed and designed elsewhere yet came to be innovatively and sometimes unexpectedly transformed in Africa. The authors in this volume explore how external innovations (products, technologies, services, insti[...]

Cryptography is now ubiquitous - moving beyond the traditional environments, such as government communications and banking systems, we see cryptographic techniques realized in Web browsers, e-mail programs, cell phones, manufacturing systems, embedded software, smart buildings, cars, and even medica[...]