go/src/crypto/internal/fips/sha256/_asm/sha256block_amd64_shani.go

func blockSHANI() { … }

func roundLoop() { … }

func done() { … }

var digestPtr …

var dataPtr …

var numBytes …

var sha256Constants …

var msg …

var state0 …

var state1 …

var m0 …

var m1 …

var m2 …

var m3 …

var m4 …

var shufMask …

var abefSave …

var cdghSave …

// nop instead of final SHA256MSG1 for first and last few rounds
func nop(m, a VecPhysical) { … }

// final SHA256MSG1 for middle rounds that require it
func sha256msg1(m, a VecPhysical) { … }

// msg copy for all but rounds 12-15
func vmov(a, b VecPhysical) { … }

// reverse copy for rounds 12-15
func vmovrev(a, b VecPhysical) { … }

type VecFunc …

// sha rounds 0 to 11
//
// identical with the exception of the final msg op
// which is replaced with a nop for rounds where it is not needed
// refer to Gulley, et al for more information
func rounds0to11(m, a VecPhysical, c int, sha256msg1 VecFunc) { … }

// sha rounds 12 to 59
//
// identical with the exception of the final msg op
// and the reverse copy(m,msg) in round 12 which is required
// after the last data load
// refer to Gulley, et al for more information
func rounds12to59(m VecPhysical, c int, a, t VecPhysical, sha256msg1, movop VecFunc) { … }