Design and Implementation of High Speed PCIe Cipher Card Supporting GM Algorithms
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摘要: 密码卡在信息安全领域发挥着重要作用，但当前密码卡存在性能不足的问题，难以满足高速网络安全服务的需要。该文提出一种基于MIPS64多核处理器的高速PCIe密码卡的设计与系统实现方法，支持SM2/3/4国产密码(GM)算法以及RSA, SHA, AES等国际密码算法，系统包括硬件模块，密码算法模块，主机驱动模块和接口调用模块；对SM3的实现提出一种优化方案，性能提升了19%；支持主机以Non-Blocking方式发送请求，单进程应用即可获得密码卡满载性能。该卡在10核CPU下SM2签名和验证速度分别为18000次/s和4200次/s, SM3杂凑速度2200 Mbps, SM4加/解密速度8/10 Gbps，多项指标达到较高水平；采用1300 MHz主频16核CPU时，SM2/3的性能指标提高1倍，采用48核CPU时SM2签名速度可达到105次/s。Abstract: Cipher cards play an important role in the field of information security. However, the performance of cipher cards are insufficient, and it is difficult to meet the needs of high-speed network security services. A design and system implementation method of high-speed PCIe cipher card based on MIPS64 multi-core processor is proposed, which supports the GM algorithm SM2/3/4 and international cryptographic algorithms, such as RSA, SHA and AES. The implemented system includes module of hardware, cryptographic algorithm, host driver and interface calling. An optimization scheme for the implementation of SM3 is proposed, the performance is improved by 19%. And the host to send requests in Non-Blocking mode is supported, so a single-process application can get the cipher card’s full load performance. Under 10-core CPU, the speed of SM2 signature and verification are 18000 and 4200 times/s, SM3 hash speed is 2200 Mbps, SM4 encryption/decryption speed is 8/10 Gbps, multiple indicators achieve higher level; When using 16-core CPU @1300 MHz, SM2/3 performance can be improved by more than 100%, and the speed of SM2 signature could achieve 105 times/s with 48-core CPU.
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Key words:
- Cipher card /
- PCIe bus /
- GM algorithm /
- Non-Blocking
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表 1 优化前后对比
输入长度(Byte) 运算速度(Mbps) 性能提升(%) 优化前 优化后 64 96 115 19.8 256 156 186 19.2 1 k 185 220 18.9 4 k 194 231 19.1 16 k 196 233 18.9 
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表 2 阻塞、非阻塞单进程对比
请求运算类型 运算速度(次/s) 性能提升(%) 阻塞 非阻塞 SM2 签名 1710 17523 900 SM2 验签 418 4240 900 RSA(2048) 签名 219 2200 900 RSA(2048) 验签 2018 20232 900
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表 3 密码卡性能测试结果对比
密码卡种类 SM2 (次/s) SM3 (Mbps) SM4 (Gbps) RSA2048 (次/s) AES128 (Gbps) SHA1 (Gbps) SHA256 (Gbps) 签名 验证 签名 验证 SJK1572 14000 4000 1300 1.3 – – – – – SJK1120 1800 1300 1 1.2 30 350 1.2 – – SJK1337 31000 19000 1700 2.2 – – – – 0.8 本密码卡 18000 4100 2200 8.1 2200 20232 9.0 13.0 13.0
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