SM3P1

SM3 P1 Transformation

SM3P1 rd, rs1

Performs the P1 permutation for the SM3 hash algorithm.

Encoding

Binary Layout

000100001001

31:20

rs1

19:15

001

14:12

rd

11:7

0010011

6:0

 

Format R-Type

Opcode 0x10901013

Extension Zksh

Operands

• rd
  Destination register (integer)
• rs1
  Source register 1 (integer)

Example

SM3P1 t0, a0

Related

More in Zksh

Reference

View in RISC-V Unprivileged ISA Specification ↗ RISC-V ISA Manual

Description

SM3P1 applies the SM3 P1 permutation function to rs1 and writes to rd. Used in message expansion of the SM3 hash algorithm.

Operation

rd = P1(rs1);