Specify the hash algorithm in the sc library functions #610

[apoorv-2204]

Description

• This pr Updates the existing function in SC library hash to support multiple hash algos.

      hash("data","sha256")
      hash("data","sha512")   
      hash("data","sha3_256")
      hash("data","sha3_512")
      hash("data","blake2b")

• Also introduces an unused aehash function for ae padding

• Specify the hash algorithm in the SC library functions #610

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

• Unit Tests

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules