Adding more cryptography links

For the past couple of weeks:

https://livebook.manning.com/book/real-world-cryptography/welcome/v-7/

https://www.cryptologie.net/article/474/bits-and-bytes-ordering-in-5-minutes/

https://docs.oracle.com/cd/E19253-01/817-6223/chp-typeopexpr-2/index.html

https://docs.python.org/3.2/library/stdtypes.html

https://en.wikipedia.org/wiki/Integer_(computer_science)

https://www.programiz.com/python-programming/methods/built-in/int

https://cryptii.com/pipes/base64-to-hex

https://docs.python.org/2/library/binascii.html

https://www.wikihow.com/Convert-Binary-to-Hexadecimal

https://github.com/MicrochipTech/cryptoauthtools/blob/master/python/examples/ecdh.py

https://github.com/AntonKueltz/fastecdsa/blob/e8a25d75f5f7018f703844b17357d0c7a9a0b4be/fastecdsa/encoding/sec1.py

https://fastecdsa.readthedocs.io/en/latest/fastecdsa.html

https://letsencrypt.org/docs/a-warm-welcome-to-asn1-and-der/

Edit: Here is a presentation with pictures of an elliptic curve:

https://speakerdeck.com/mrinalwadhwa/just-enough-math-to-understand-elliptic-curve-cryptography

Edit: Here is another book that shows construction of a public key:

https://wizardforcel.gitbooks.io/practical-cryptography-for-developers-book/asymmetric-key-ciphers/elliptic-curve-cryptography-ecc.html