[crypto]: Host function for verifying secp256r1 signatures#113

RomarQ wants to merge 2 commits intopolkadot-fellows:mainpolkadot-fellows/RFCs:mainfrom

Moonsong-Labs:rq/secp256r1-host-functionMoonsong-Labs/polkadot-RFCs:rq/secp256r1-host-functionCopy head branch name to clipboard