user4725: Is there a function like signedBy that I can call in a Plutus script to verify a digital signature?

user935: You can use this function to verify signature from a validator

4725: <p>Is there a function like <a href="https://playground.plutus.iohkdev.io/doc/haddock/plutus-ledger/html/Ledger-Crypto.html#v:signedBy" rel="nofollow noreferrer">signedBy</a> that I can call in a Plutus script to verify a digital signature?</p>
 935: <p>You can use this <a href="https://github.com/input-output-hk/plutus/blob/b778f9abbe172177b579badf83b899ee05fda2e0/plutus-ledger-api/src/Plutus/V1/Ledger/Contexts.hs#L233" rel="nofollow noreferrer">function</a> to verify signature from a validator</p>
