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43 lines
915 B
43 lines
915 B
package keccak
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import (
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"encoding/json"
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"fmt"
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"testing"
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qt "github.com/frankban/quicktest"
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)
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func printS(n string, s []uint64) {
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jS, err := json.Marshal(s)
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if err != nil {
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panic(err)
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}
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fmt.Printf("%s: %s\n", n, string(jS))
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}
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func newS() ([25 * 64]bool, [25]uint64) {
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var s [25 * 64]bool
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var sU64 [25]uint64
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for i := 0; i < len(s)/64; i++ {
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copy(s[i*64:i*64+64], u64ToBits(uint64(i)))
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sU64[i] = uint64(i)
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}
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return s, sU64
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}
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func TestTheta(t *testing.T) {
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s, sU64 := newS()
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s = theta(s)
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sU64 = thetaU64Version(sU64)
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qt.Assert(t, bitsToU64Array(s[:]), qt.DeepEquals, sU64[:])
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qt.Assert(t, bitsToU64Array(s[:]), qt.DeepEquals,
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[]uint64{26, 9, 13, 29, 47, 31, 14, 8, 22, 34, 16, 3, 3,
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19, 37, 21, 24, 30, 12, 56, 14, 29, 25, 9, 51})
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// compute again theta on the current state
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s = theta(s)
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sU64 = thetaU64Version(sU64)
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qt.Assert(t, bitsToU64Array(s[:]), qt.DeepEquals, sU64[:])
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}
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