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49 lines
1.1 KiB
49 lines
1.1 KiB
package sha512
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import (
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"testing"
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"github.com/consensys/gnark/frontend"
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"github.com/consensys/gnark/test"
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)
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type Sha512Circuit struct {
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in []frontend.Variable `gnark:"in"`
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out []frontend.Variable `gnark:"out"`
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}
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func (circuit *Sha512Circuit) Define(api frontend.API) error {
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res := Sha512(api, circuit.in)
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for i := 0; i < 512; i++ {
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api.AssertIsEqual(res[i], circuit.out[i])
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}
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return nil
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}
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func TestSha512(t *testing.T) {
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assert := test.NewAssert(t)
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in := toBytes("Succinct Labs")
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out := toBytes("503ace098aa03f6feec1b5df0a38aee923f744a775508bc81f2b94ad139be297c2e8cd8c44af527b5d3f017a7fc929892c896604047e52e3f518924f52bff0dc")
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circuit := Sha512Circuit {
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in: toVariables(make([]byte, len(in))),
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out: toVariables(make([]byte, len(out))),
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}
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witness := Sha512Circuit {
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in: toVariables(in),
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out: toVariables(out),
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}
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err := test.IsSolved(&circuit, &witness, testCurve.ScalarField())
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assert.NoError(err)
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}
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func toVariables(arr []byte) []frontend.Variable {
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result := make([]frontend.Variable, len(arr))
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for i, v := range arr {
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result[i] = v
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}
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return result
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}
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func toBytes(s string) []byte {
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return []byte(s)
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}
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