In this course you will learn about cryptography, certificates and certificate signing requests (CSRs) with OpenSSL. You will understand the most popular pubic key (asymmetric) cryptosystems on a step by step basis – such as RSA and Elliptic Curve cryptosystems. You can learn about the theory as well as the implementation for every approach.

Chapter 1 – Cryptography Fundamentals

• what is the aim of cryptography?

• private key and public key cryptosystems

Chapter 2 – Public and Private Keys in OpenSSL

• generating RSA keys

• encryption example with RSA

• generating ECC keys

Chapter 3 – Certificates

• root certificates (self-signed certificates) and intermediate certificates

• certificate parameters and configuration files

Chapter 4 – Certificate Signing Request (CSR)

• what are certificate signing requests?

• signing intermediate certificates

• verifying the chain of trust

Chapter 5 – Transport Layer Protocol (TLS)

• what is the transport layer protocol?

• how network communication works

• certificate revocation list (CRL)

Chapter 6 – RSA Algorithm

• RSA algorithm theory

• the problem of factorization

• is it possible to crack RSA algorithm?

Chapter 7 – Elliptic Curve Cryptography (ECC)

• elliptic curve cryptography theory

• double and add algorithm

• point addition algorithm

• digital signatures with elliptic curves

• why does Bitcoin use elliptic curve cryptography?

• is it possible to crack elliptic curves?

Thanks for joining my course, let’s get started!

Who this course is for:

• Anyone curious about cryptography!