create a sha3_256 hash from a string in ruby

To create a sha3_256 hash from a string in Ruby, you can use the digest library which provides access to various cryptographic hash functions. The digest library is included with Ruby so you don't need to install any additional libraries.

Here's an example code snippet that demonstrates how to create a sha3_256 hash from a string:

main.rb
require 'digest'

string_to_hash = 'hello world'
sha3_256_hash = Digest::SHA3.hexdigest(string_to_hash, 256)

puts sha3_256_hash #=> "a591a6d40bf420404a011733cfb7b190d62c65bf0bcda32b57b277d9ad9f146e"
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In the code above, we first require the digest library. Then, we define the string we want to hash (string_to_hash).

Next, we use the hexdigest method with the SHA3 class to create the hash. We pass the string to hash as the first parameter and the number 256 as the second parameter to specify that we want a sha3_256 hash.

Finally, we print the resulting hash to the console using puts.