Description
Product details:
A hardware security module (abbreviated HSM) is a computer hardware device designed to protect and manage the keys
used by a strong authentication system while providing related cryptographic operations. Hardware security modules connect
directly to computers or network servers through expansion cards or external devices. HSM provides tamper proof and
tamper proof anti-tamper functions. The former is designed so that tampering will leave traces, while the latter is designed
so that tampering will cause HSM to destroy protected information such as keys.
Each HSM includes one or more security coprocessors to prevent tampering or bus detection. Many HSM systems
provide a reliable key backup mechanism that allows confidential data to be securely processed or transferred via smart
cards or other devices. Because HSMAs are often part of a critical infrastructure such as a public key infrastructure (PKI) or
online banking, multiple HSMAs are commonly used simultaneously to achieve high availability.
Some HSMS are designed with dual power supplies and no downtime to replace accessories, such as cooling fans, to ensure
high availability requirements in environments such as data centers. A few HSMS let users run specially developed
modules on their internal processors. This design is useful in some scenarios, such as when users can run special
algorithms or business logic in such a secure, controlled environment, and programs stored in the HSM (connected to the computer)
cannot be extracted or tampered with even if an attacker gains full control of the computer.
General HSM allows users to develop such specialized programs using C,.NET, Java, and other programming languages. It
is worth noting that there is a separation between the user-defined programs and the HSM’s own programs, so that the
existence of the programs does not affect the security of the HSM itself. Given the critical role that hardware security
modules (HSMS) play in the security of applications and infrastructure, such cryptography modules are typically certified
under internationally recognized standards such as Common Criteria and FIPS 140.
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