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Hifn security processors deliver 4Gbps IPSec processing

Posted: 28 Oct 2002 ?? ?Print Version ?Bookmark and Share

Keywords:hifn? 8300? 8350? hifn intelligent packet processing? security processor?

Hifn has expanded its Hifn Intelligent Packet Processing (HIPP) product line with the addition of two new security processors that can be placed directly in the data path to secure traffic without the aid of outside components or software, thus delivering true "bump-in-the-wire" performance at speeds of up to 4Gbps.

The 8300 and 8350 uses the company's FlowThrough architecture to enable them to be placed directly in the data path. The architecture also incorporates link-layer handling for Ethernet, IP packet processing, security association handling, and IPSec encryption/authentication functions into silicon-based products.

The company claims that the FlowThrough architecture accelerates the entire data path of the IPSec protocol, reducing the heavy processing load of network processors or other CPUs used in networking products. All standard IPSec options can be supported, including ESP and AH in both tunnel and transport modes.

Both processors combine inbound and outbound policy processing, SA lookup, SA context handling, and packet formatting within a single chip. They support cryptographic algorithms including DES/3DES-CBC, AES-CBC, AES-CTR, MD5, SHA-1, and XCBC MAC.

They also feature industry-standard GMII/TBI interfaces. The control interface utilizes in-band Ethernet frames, while an additional 100Mbps Ethernet MII port allows for an optional out-of-band control port, or for multiple chip designs.

IPSec processing is performed by the 8300 at 600Mbps, while the 8350 goes up to 4Gbps with 1 million packets per second back-to-back SAs. Both chips are manufactured using the 0.135m process and utilize 304 BGA packaging.

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