60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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)
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func permute(m *[16]uint32) {
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*m = [16]uint32{
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m[2], m[6], m[3], m[10],
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m[7], m[0], m[4], m[13],
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m[1], m[11], m[12], m[5],
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m[9], m[14], m[15], m[8],
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}
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}
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func main() {
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var m [16]uint32
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for i := range m {
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m[i] = uint32(i)
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}
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fmt.Printf(` // round %d rather than init state and mix, do both.
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// Mix the columns.
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s0, s4, s8, s12 := g(n.cv[0], n.cv[4], iv[0], uint32(n.counter), n.block[%d], n.block[%d])
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s1, s5, s9, s13 := g(n.cv[1], n.cv[5], iv[1], uint32(n.counter>>32), n.block[%d], n.block[%d])
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s2, s6, s10, s14 := g(n.cv[2], n.cv[6], iv[2], n.blockLen, n.block[%d], n.block[%d])
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s3, s7, s11, s15 := g(n.cv[3], n.cv[7], iv[3], n.flags, n.block[%d], n.block[%d])
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// Mix the diagonals.
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s0, s5, s10, s15 = g(s0, s5, s10, s15, n.block[%d], n.block[%d])
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s1, s6, s11, s12 = g(s1, s6, s11, s12, n.block[%d], n.block[%d])
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s2, s7, s8, s13 = g(s2, s7, s8, s13, n.block[%d], n.block[%d])
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s3, s4, s9, s14 = g(s3, s4, s9, s14, n.block[%d], n.block[%d])
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`, 1, m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7], m[8], m[9], m[10], m[11], m[12], m[13], m[14], m[15])
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permute(&m)
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for x := 2; x < 8; x++ {
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fmt.Printf(` // round %d
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// Mix the columns.
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s0, s4, s8, s12 = g(s0, s4, s8, s12, n.block[%d], n.block[%d])
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s1, s5, s9, s13 = g(s1, s5, s9, s13, n.block[%d], n.block[%d])
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s2, s6, s10, s14 = g(s2, s6, s10, s14, n.block[%d], n.block[%d])
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s3, s7, s11, s15 = g(s3, s7, s11, s15, n.block[%d], n.block[%d])
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// Mix the diagonals.
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s0, s5, s10, s15 = g(s0, s5, s10, s15, n.block[%d], n.block[%d])
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s1, s6, s11, s12 = g(s1, s6, s11, s12, n.block[%d], n.block[%d])
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s2, s7, s8, s13 = g(s2, s7, s8, s13, n.block[%d], n.block[%d])
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s3, s4, s9, s14 = g(s3, s4, s9, s14, n.block[%d], n.block[%d])
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`, x,
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m[0], m[1], m[2], m[3], m[4], m[5], m[6], m[7], m[8], m[9], m[10], m[11], m[12], m[13], m[14], m[15])
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permute(&m)
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}
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}
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