Algorithm Specifications

Encryption and compression algorithms supported by different processor models vary due to hardware differences.

Table 1 lists the supported algorithms.

**Table 1** Encryption and compression algorithms supported by different processor models
Type	Algorithm	Kunpeng 920 Processor	New Kunpeng 920 Processor Model
Encryption algorithms	Digest algorithm SM3	√	√
	Digest algorithm MD5	√	√
	Symmetric encryption algorithm SM4-CTR	√	√
	Symmetric encryption algorithm SM4-XTS^a	√	√
	Symmetric encryption algorithm SM4-CBC	√	√
	Symmetric encryption algorithm SM4-ECB	√	√
	Symmetric encryption algorithm SM4-OFB	√	√
	Symmetric encryption algorithm SM4-CFB	-	√
	Symmetric encryption algorithm AES-ECB	√	√
	Symmetric encryption algorithm AES-CTR	√	√
	Symmetric encryption algorithm AES-XTS	√	√
	Symmetric encryption algorithm AES-CBC	√	√
	Symmetric encryption algorithm AES-OFB	-	√
	Symmetric encryption algorithm AES-CFB	-	√
	Asymmetric algorithm RSA	√	√
	Asymmetric algorithm SM2	-	√
	Key negotiation algorithm DH	√	√
Compression algorithms	zlib (gzip/zlib format)	√	√
	zlib (Deflate format)	-	√
	gzip	√	√
	zstd^b	-	√
	LZ4^b	-	√
a: SM4-XTS can be used only in kernel space and does not support OpenSSL. b: For zstd and LZ4, compression can leverage hardware-based acceleration, while decompression is handled by software only.

Parent topic: Overview