LoadEcdsaPrivateKey reads an ECDSA private key from an X509 encoding stored in a PEM encoding.

LoadEcdsaPublicKey reads an ECDSA public key from an X509 encoding stored in a PEM encoding.

StoreEcdsaPrivateKey writes an ECDSA private key to a PEM encoding.

StoreEcdsaPublicKey writes an ECDSA public key to a PEM encoding.