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As the Internet becomes the basis for electronic commerce, and as more businesses automate their data processing operations, the potential for unauthorized disclosure of sensitive data increases. On-line databases are becoming increasingly large and complex. Sensitive data is transmitted on communication lines and often stored off-line. As a result, the efficient, economical protection of enterprise-critical information is becoming increasingly important in many diverse application environments. The protection required to conduct commerce on the Internet, provide data confidentiality, and provide user authentication can be achieved only by cryptographic services and techniques. The high-speed, physically secure IBM S/390® CMOS Cryptographic Coprocessor for S/390 Parallel Enterprise Servers™, together with the IBM Integrated Cryptographic Service Facility (ICSF), an IBM licensed program for the OS/390® operating system, provides the ability to encrypt and decrypt data, generate and manage cryptographic keys, perform PIN operations, and perform other cryptographic functions dealing with data integrity, digital signatures, and key exchange
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