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CONFIG_CRYPTO_SM4_AESNI_AVX_X86_64: SM4 cipher algorithm (x86_64/AES-NI/AVX)

General informations

The Linux kernel configuration item CONFIG_CRYPTO_SM4_AESNI_AVX_X86_64:

Help text

SM4 cipher algorithms (OSCCA GB/T 32907-2016) (x86_64/AES-NI/AVX).

SM4 (GBT.32907-2016) is a cryptographic standard issued by the Organization of State Commercial Administration of China (OSCCA) as an authorized cryptographic algorithms for the use within China.

This is SM4 optimized implementation using AES-NI/AVX/x86_64 instruction set for block cipher. Through two affine transforms, we can use the AES S-Box to simulate the SM4 S-Box to achieve the effect of instruction acceleration.

If unsure, say N.

Hardware

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