50 lines
1.1 KiB
Go
50 lines
1.1 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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for x := 1; x < 8; x++ {
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fmt.Printf(`// round%d
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// Mix the columns.
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gx(&state, 0, 4, 8, 12, n.block[%d])
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gy(&state, 0, 4, 8, 12, n.block[%d])
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gx(&state, 1, 5, 9, 13, n.block[%d])
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gy(&state, 1, 5, 9, 13, n.block[%d])
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gx(&state, 2, 6, 10, 14, n.block[%d])
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gy(&state, 2, 6, 10, 14, n.block[%d])
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gx(&state, 3, 7, 11, 15, n.block[%d])
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gy(&state, 3, 7, 11, 15, n.block[%d])
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// Mix the diagonals.
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gx(&state, 0, 5, 10, 15, n.block[%d])
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gy(&state, 0, 5, 10, 15, n.block[%d])
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gx(&state, 1, 6, 11, 12, n.block[%d])
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gy(&state, 1, 6, 11, 12, n.block[%d])
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gx(&state, 2, 7, 8, 13, n.block[%d])
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gy(&state, 2, 7, 8, 13, n.block[%d])
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gx(&state, 3, 4, 9, 14, n.block[%d])
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gy(&state, 3, 4, 9, 14, n.block[%d])
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`, x, 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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