SHA-1,SHA-256 and MD5 Hashing, Fast (Helion)

产品详细资料

• 数据手册 (PDF)

支持器件系列

• Virtex-5 LX
• Virtex-5 LXT
• Virtex-5 SXT
• Spartan-3
• Spartan-3A
• Spartan-3E
• Virtex-4 FX
• Virtex-4 LX
• Virtex-4 SX

The SHA-1, SHA-256 and MD5 algorithms are three of the most common cryptographic hash functions in use today. They are typically used in message authentication and digital signature applications, where a message or file requires tamper protection or origin authentication. The Helion Fast Hashing cores have been designed to implement SHA-1, SHA-256 and MD5 in Xilinx technology for high throughput applications. Single-mode versions are available which are suitable where support is only required for one of these algorithms. Two dual-mode versions are also available, sharing common resources to offer selectable support for both SHA-1 and MD5, or SHA-1 and SHA-256, whilst using fewer logic resources than two individual solutions. These solutions are well proven in real products, extremely easy to use, and very efficiently implemented in any Xilinx technology.

关键特性

• Single and Dual mode versions available.
• Highly optimized for use in Xilinx FPGA technologies.
• Designed specifically for high throughput applications.
• Performs automatic message padding insertion.
• Simple external interface.
• Optional user initialization of IVs for efficient HMAC support.
• Available under the terms of the SignOnce IP License.