Method GenerateKey

crypto.go:339–356

GenerateKey generates a new private key according to kg.KeyType.

()

// GenerateKey generates a new private key according to kg.KeyType.
func (kg StandardKeyGenerator) GenerateKey() (crypto.PrivateKey, error) {
	switch kg.KeyType {
	case ED25519:
		_, priv, err := ed25519.GenerateKey(rand.Reader)
		return priv, err
	case "", P256:
		return ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
	case P384:
		return ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
	case RSA2048:
		return rsa.GenerateKey(rand.Reader, 2048)
	case RSA4096:
		return rsa.GenerateKey(rand.Reader, 4096)
	case RSA8192:
		return rsa.GenerateKey(rand.Reader, 8192)
	}
	return nil, fmt.Errorf("unrecognized or unsupported key type: %s", kg.KeyType)
}

// DefaultKeyGenerator is the default key source.
var DefaultKeyGenerator = StandardKeyGenerator{KeyType: P256}