"If you have a public or private key, you can see if the key appears in the pwnedkeys database using the pwnedkeys API." Uh. In case anyone needs to hear this

"If you have a public or private key, you can see if the key appears in the pwnedkeys database using the pwnedkeys API." Uh. In case anyone needs to hear this - don't send your private keys to any other computer. Keep them on the disk they were first written to.