European

WASHINGTON - An approach based on the mathematical theory of elliptic curves may pave the way much more efficient cryptography - which underpins privacy, confidentiality, and identity to provide the fabric for e-commerce and secure communications - that will be capable of strengthening security against cyber crime and any terrorist attacks via the Internet.

SAN FRANCISCO - Troubled Internet pioneer Yahoo! swung to a quarterly loss Tuesday because of severance pay and write downs on its European properties.