RISC-V ISA Explorer · Cryptography (Zk*)

Zkne: NIST AES Encrypt

Ratified 2022-02 · version 1.0.1

Accelerates AES encryption rounds and key expansion in the general-purpose registers.

Typical use: AES encryption instructions

Dependencies

Mnemonic	Name	Encoding	Match	Mask
`AES32ESI`		`--10001----------000-----0110011`	`0x22000033`	`0x3e00707f`
`AES32ESMI`		`--10011----------000-----0110011`	`0x26000033`	`0x3e00707f`
`AES64ES`	AES encrypt final round	`0011001----------000-----0110011`	`0x32000033`	`0xfe00707f`
`AES64ESM`	AES encrypt middle round	`0011011----------000-----0110011`	`0x36000033`	`0xfe00707f`
`AES64KS1I`	AES Key Schedule Instruction 1	`00110001---------001-----0010011`	`0x31001013`	`0xff00707f`
`AES64KS2`	AES Key Schedule Instruction 2	`0111111----------000-----0110011`	`0x7e000033`	`0xfe00707f`