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106 lines
3.5 KiB
106 lines
3.5 KiB
package mimc7
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import (
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"encoding/hex"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/stretchr/testify/assert"
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)
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func TestKeccak256(t *testing.T) {
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res := crypto.Keccak256([]byte(SEED))
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assert.Equal(t,
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"b6e489e6b37224a50bebfddbe7d89fa8fdcaa84304a70bd13f79b5d9f7951e9e",
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hex.EncodeToString(res))
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c := new(big.Int).SetBytes(crypto.Keccak256([]byte(SEED)))
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assert.Equal(t,
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"82724731331859054037315113496710413141112897654334566532528783843265082629790",
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c.String())
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}
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func TestMIMC7Generic(t *testing.T) {
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b1 := big.NewInt(int64(1))
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b2 := big.NewInt(int64(2))
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b3 := big.NewInt(int64(3))
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bigArray := []*big.Int{b1, b2, b3}
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// Generic Hash
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mhg := MIMC7HashGeneric(b1, b2, 91)
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assert.Equal(t,
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"10594780656576967754230020536574539122676596303354946869887184401991294982664",
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mhg.String())
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hg, err := HashGeneric(big.NewInt(0), bigArray, 91)
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assert.Nil(t, err)
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assert.Equal(t,
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"6464402164086696096195815557694604139393321133243036833927490113253119343397",
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(*big.Int)(hg).String())
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}
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func TestMIMC7(t *testing.T) {
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b12 := big.NewInt(int64(12))
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b45 := big.NewInt(int64(45))
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b78 := big.NewInt(int64(78))
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b41 := big.NewInt(int64(41))
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// h1, hash of 1 elements
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bigArray1 := []*big.Int{b12}
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h1, err := Hash(bigArray1, nil)
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assert.Nil(t, err)
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// same hash value than the iden3js and circomlib tests:
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assert.Equal(t, "0x"+hex.EncodeToString((*big.Int)(h1).Bytes()),
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"0x237c92644dbddb86d8a259e0e923aaab65a93f1ec5758b8799988894ac0958fd")
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// h2a, hash of 2 elements
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bigArray2a := []*big.Int{b78, b41}
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h2a, err := Hash(bigArray2a, nil)
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assert.Nil(t, err)
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// same hash value than the iden3js and circomlib tests:
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assert.Equal(t, "0x"+hex.EncodeToString((*big.Int)(h2a).Bytes()),
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"0x067f3202335ea256ae6e6aadcd2d5f7f4b06a00b2d1e0de903980d5ab552dc70")
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// h2b, hash of 2 elements
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bigArray2b := []*big.Int{b12, b45}
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mh2b := MIMC7Hash(b12, b45)
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assert.Nil(t, err)
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assert.Equal(t, "0x"+hex.EncodeToString((*big.Int)(mh2b).Bytes()),
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"0x2ba7ebad3c6b6f5a20bdecba2333c63173ca1a5f2f49d958081d9fa7179c44e4")
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h2b, err := Hash(bigArray2b, nil)
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assert.Nil(t, err)
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// same hash value than the iden3js and circomlib tests:
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assert.Equal(t, "0x"+hex.EncodeToString((*big.Int)(h2b).Bytes()),
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"0x15ff7fe9793346a17c3150804bcb36d161c8662b110c50f55ccb7113948d8879")
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// h4, hash of 4 elements
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bigArray4 := []*big.Int{b12, b45, b78, b41}
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h4, err := Hash(bigArray4, nil)
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assert.Nil(t, err)
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// same hash value than the iden3js and circomlib tests:
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assert.Equal(t, "0x"+hex.EncodeToString((*big.Int)(h4).Bytes()),
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"0x284bc1f34f335933a23a433b6ff3ee179d682cd5e5e2fcdd2d964afa85104beb")
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msg := []byte("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.") //nolint:lll
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hmsg := HashBytes(msg)
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assert.Equal(t,
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"16855787120419064316734350414336285711017110414939748784029922801367685456065",
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hmsg.String())
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}
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func BenchmarkMIMC7(b *testing.B) {
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b12 := big.NewInt(int64(12))
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b45 := big.NewInt(int64(45))
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b78 := big.NewInt(int64(78))
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b41 := big.NewInt(int64(41))
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bigArray4 := []*big.Int{b12, b45, b78, b41}
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for i := 0; i < b.N; i++ {
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Hash(bigArray4, nil) //nolint:errcheck,gosec
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}
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}
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