The invention discloses a mobile intelligent terminal acquirer
system and method suitable for
bank cards and business cards and relates to the field of mobile intelligent terminals. The
system comprises a
bank or business backstage acquirer
system, a mobile intelligent terminal and an acquirer
peripheral. The mobile intelligent terminal comprises a mobile intelligent
terminal operation system and a trustworthy execution environment (TEE) insulated with the operation system. The mobile intelligent
terminal operation system comprises an acquirer
client-side
application module. The TEE comprises an acquirer trustworthy
application module. The TEE provides a trustworthy
interaction interface, a code calculation environment and a
safe storage environment. Downloading, upgrading,
personalization and deletion of the acquirer trustworthy
application module are realized through the TSM technology in a remote mode. The acquirer trustworthy module provides an acquirer trustworthy
interaction interface. According to the system and method, the TEE provided by the mobile intelligent terminal is used for providing the safe user
interaction interface and the code calculation operation environment for acquiring business, so that the safe input and
encryption processing of codes and reliable display of messages in the acquiring
business process are realized.