Now, let's talk about ECC. It's like RSA's cooler, more efficient cousin. It offers similar security with smaller keys, which is great for mobile and IoT devices.

ECDSA Key Generation: Your Elliptic Identity

Let's create our ECC keys.

ECDSA Signing and Verification: Curvy Signatures

Now, let's sign something with our elliptic keys.

Key Management: Keeping Your Digital Identity Safe

Now, let's talk about keeping these keys safe. It's like having a really important key to a really important door - you want to keep it secure!

The Golden Rules of Public-Key Cryptography

Now that you're wielding these powerful crypto tools, here are some golden rules to keep in mind:

Size matters: For RSA, go big or go home - at least 2048 bits. For ECC, 256 bits is the sweet spot.
Randomness is your friend: Always use crypto/rand for key generation. Using weak randomness is like using "password123" as your key.
Rotate your keys: Like changing your passwords, rotate your keys regularly.
Standard formats are standard for a reason: Use PEM for storing and sending keys. It's like using a standard envelope - everyone knows how to handle it.
Padding is not just for furniture: For RSA encryption, always use OAEP padding. It's like bubble wrap for your encrypted data.
Hash before you sign: When signing large data, sign the hash, not the data itself. It's faster and just as secure.
Performance matters: Public-key operations can be slow, especially RSA. Use them wisely.

Coding

# initiating code
go mod init gocrypto5
# program
touch main.go
# importing modules
go get 
# running code
go run main.go

That's all

...folks!!!