const crypto/ed25519.PublicKeySize

4 uses

	crypto/ed25519 (current package)
		ed25519.go#L32: 	PublicKeySize = 32
		ed25519.go#L61: 	publicKey := make([]byte, PublicKeySize)
		ed25519.go#L222: 	if l := len(publicKey); l != PublicKeySize {

	crypto/x509
		parser.go#L311: 		if len(der) != ed25519.PublicKeySize {