gmsm/zuc/eia256_asm.go

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2022-07-14 14:10:49 +08:00
//go:build (amd64 && !generic) || (arm64 && !generic)
// +build amd64,!generic arm64,!generic
2022-07-13 16:16:01 +08:00
package zuc
//go:noescape
func eia256RoundTag8(t *uint32, keyStream *uint32, p *byte)
//go:noescape
func eia256RoundTag16(t *uint32, keyStream *uint32, p *byte)
func block256(m *ZUC256Mac, p []byte) {
if supportsGFMUL {
for len(p) >= chunk {
m.genKeywords(m.k0[4:])
switch m.tagSize {
case 8:
eia256RoundTag8(&m.t[0], &m.k0[0], &p[0])
case 16:
eia256RoundTag16(&m.t[0], &m.k0[0], &p[0])
default:
eia3Round16B(&m.t[0], &m.k0[0], &p[0], m.tagSize)
}
p = p[chunk:]
}
} else {
block256Generic(m, p)
}
}