Authentication and identification products all for use in verifying the claimed identity of persons, namely, computer software, biometric matching software, biometric indexing software, cryptographic protection software, and related hardware, namely, biometric sensors and associated computer chips and electronic circuitry; Computer software incorporating algorithms for identification and verification of users by a biometric characteristic, namely, digit-print; Electrically encoded integrated circuit cards and biometric readers for use in storing and transmitting personal information; Electrically encoded integrated circuit cards and biometric readers for use in authenticating users' identities by a biometric characteristic, namely, digit-print; Computer hardware; Computer single sign-on software, namely, software that enables users to authenticate once and gain access to and use the resources of multiple software systems; Computer software, namely, encryption software; Digit-print recognition software for use in authenticating users' identities