func validateSplitInput()

in client/internal/secret_sharing/internal/shamirgeneric/shamir_generic.go [197:214]

• 18 lines of code
• 6 McCabe index (conditional complexity)

func validateSplitInput(metadata secrets.Metadata, secret []byte, gf field.GaloisField) error {
	if len(secret) == 0 {
		return fmt.Errorf("secret must not be nil")
	}
	if metadata.NumShares < 2 {
		return fmt.Errorf("numShares must be larger than 1")
	}
	if metadata.Threshold < 2 {
		return fmt.Errorf("threshold must be larger than 1")
	}
	if metadata.Threshold > metadata.NumShares {
		return fmt.Errorf("threshold should be smaller than or equal to numShares")
	}
	if metadata.Field != gf.FieldID() {
		return fmt.Errorf("field ID mismatch")
	}
	return nil
}