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92 lines
3.4 KiB
92 lines
3.4 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, "b6e489e6b37224a50bebfddbe7d89fa8fdcaa84304a70bd13f79b5d9f7951e9e", hex.EncodeToString(res))
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c := new(big.Int).SetBytes(crypto.Keccak256([]byte(SEED)))
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assert.Equal(t, "82724731331859054037315113496710413141112897654334566532528783843265082629790", 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, "10594780656576967754230020536574539122676596303354946869887184401991294982664", 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, "6464402164086696096195815557694604139393321133243036833927490113253119343397", (*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()), "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()), "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()), "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()), "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()), "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.")
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hmsg, err := HashBytes(msg)
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assert.Nil(t, err)
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assert.Equal(t, "16855787120419064316734350414336285711017110414939748784029922801367685456065", 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)
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}
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}
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