2024-10-01 09:31:51 +08:00
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//go:build (amd64 || arm64 || ppc64 || ppc64le) && !purego
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2022-07-15 16:42:39 +08:00
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package zuc
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//go:noescape
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func eia256RoundTag8(t *uint32, keyStream *uint32, p *byte)
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//go:noescape
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func eia256RoundTag16(t *uint32, keyStream *uint32, p *byte)
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func block256(m *ZUC256Mac, p []byte) {
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if supportsGFMUL {
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for len(p) >= chunk {
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m.genKeywords(m.k0[4:])
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switch m.tagSize {
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case 8:
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eia256RoundTag8(&m.t[0], &m.k0[0], &p[0])
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case 16:
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eia256RoundTag16(&m.t[0], &m.k0[0], &p[0])
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default:
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eia3Round16B(&m.t[0], &m.k0[0], &p[0], m.tagSize)
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}
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p = p[chunk:]
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}
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} else {
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block256Generic(m, p)
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}
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}
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