CheckKey checks whether the given key is a valid ECDSA key.

DecodeSignature decodes (r, s) from a signature bytes using the method specified by RFC 8152 section 8.1.

EncodeSignature encodes (r, s) into a signature bytes using the method specified by RFC 8152 section 8.1.

GenerateKey generates a new Key with given algorithm for ECDSA.

KeyFromPrivate returns a private Key with given ecdsa.PrivateKey.

KeyFromPublic returns a public Key with given ecdsa.PublicKey.

KeyToPrivate returns a ecdsa.PrivateKey for the given Key.

KeyToPublic returns a ecdsa.PublicKey for the given key.Key.

NewSigner creates a key.Signer for the given private key.

NewVerifier creates a key.Verifier for the given public key.

ToCompressedKey converts the given key to a compressed Key.

ToPublicKey converts the given private key to a public key.