func newHashFromPRF()

in kdf_pbkdf2.go [27:36]

• 10 lines of code
• 4 McCabe index (conditional complexity)

func newHashFromPRF(ai pkix.AlgorithmIdentifier) (func() hash.Hash, error) {
	switch {
	case len(ai.Algorithm) == 0 || ai.Algorithm.Equal(oidHMACWithSHA1):
		return sha1.New, nil
	case ai.Algorithm.Equal(oidHMACWithSHA256):
		return sha256.New, nil
	default:
		return nil, errors.New("pkcs8: unsupported hash function")
	}
}