Description Welcome to Cryptographic Hash and Integrity Protection! This course reviews cryptographic hash functions in general and their use in the forms of hash chain and hash tree (Merkle tree). Building on hash functions, the course describes message authentication focusing on message authentication code (MAC) based on symmetric keys. We then discuss digital signatures based…
Description This course will examine the drinking water and electricity infrastructures, and various policies that have been developed to help guide and strengthen their cybersecurity programs. The drinking water and electricity infrastructures are two of fourteen subsectors comprising what are known as “lifeline infrastructure”. The 2013 National Infrastructure Protection Plan identifies four lifeline infrastructure sectors:…
Description Perhaps no other relic of the European Middle Ages captures our imagination more than illuminated medieval manuscripts, or those documents decorated with images and colored pigments. Serving as windows unto a lost world of kings, ladies, faith, war, and culture, they communicate complex visual and textual narratives of Europe’s collective cultural heritage and patrimony.…
Description In this course, you will learn some medical interventions and skills to keep newborns healthy in the days and weeks after they have been born. We’ll tell you about medicines like Vitamin K and erythromycin and how they can prevent serious illnesses. We’ll also introduce screening tests like hearing screening and newborn blood screening…
Description Welcome to Symmetric Cryptography! Symmetric cryptography relies on shared secret key to ensure message confidentiality, so that the unauthorized attackers cannot retrieve the message. The course describes substitution and transposition techniques, which were the bases for classical cryptography when the message is encoded in natural language such as English. Then, we build on product…
Description In this course, you will learn some core components in supporting parents of newborn babies. The Supporting Parents of Newborn Babies Course will teach you best practices for what to expect in the newborn exam and how to best support parents, partners, and other caregivers. This course examines post-partum depression, early bonding, and touch.…
Description Welcome to the final course of lectures in your quest to master EMT basics. In this course, we will cover some of the highest-stress patient populations: pregnant patients and kids, also known as pediatrics. To wrap up your EMT knowledge we will end this course with information about hazmat situations, extricating patients from tight…
Description The design step in developing software has some unique characteristics. First of all, it’s the only step where drawing pictures of things is the norm. Why is that? What do pictures do that other representations cannot do? Pictures have varying levels of detail; pictures have context. Pictures…paint a picture. Why are these things important?…
Description In this course, you will develop the knowledge and skills to assess and stabilize certain types of patients for transport. By the end of this course, you will be able to: 1) assess a basic medical patient 2) describe general pharmacologic principles and the skills associated with medication administration, 3) explain airway physiology, the…
Description Palliative care provides important support for people living with serious or life-limiting illnesses and their family caregivers. In this course, you will learn to use symptom assessment tools to better understand which symptoms are present and which are most distressing. In subsequent weeks you will learn about some of the most common and distressing…