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Adapt babyjub/eddsa to new Poseidon methods

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This commit is contained in:
arnaucube
2020-03-03 16:32:49 +01:00
parent b45d8a582b
commit 2a3f0d9ed5
5 changed files with 79 additions and 63 deletions
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70
poseidon/poseidon_test.go
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@@ -5,7 +5,6 @@ import (
"math/big"
"testing"
"github.com/iden3/go-iden3-crypto/ff"
"github.com/iden3/go-iden3-crypto/utils"
"github.com/stretchr/testify/assert"
"golang.org/x/crypto/blake2b"
@@ -17,46 +16,58 @@ func TestBlake2bVersion(t *testing.T) {
}
func TestPoseidon(t *testing.T) {
b1 := utils.NewElement().SetUint64(1)
b2 := utils.NewElement().SetUint64(2)
h, err := Hash([]*ff.Element{b1, b2})
b1 := big.NewInt(1)
b2 := big.NewInt(2)
h, err := Hash([]*big.Int{b1, b2})
assert.Nil(t, err)
assert.Equal(t, "4932297968297298434239270129193057052722409868268166443802652458940273154855", h.String())
b3 := utils.NewElement().SetUint64(3)
b4 := utils.NewElement().SetUint64(4)
h, err = Hash([]*ff.Element{b3, b4})
b3 := big.NewInt(3)
b4 := big.NewInt(4)
h, err = Hash([]*big.Int{b3, b4})
assert.Nil(t, err)
assert.Equal(t, "4635491972858758537477743930622086396911540895966845494943021655521913507504", h.String())
b5 := big.NewInt(5)
b6 := big.NewInt(6)
b7 := big.NewInt(7)
b8 := big.NewInt(8)
b9 := big.NewInt(9)
b10 := big.NewInt(10)
b11 := big.NewInt(11)
b12 := big.NewInt(12)
h, err = Hash([]*big.Int{b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12})
assert.Nil(t, err)
assert.Equal(t, "15278801138972282646981503374384603641625274360649669926363020545395022098027", h.String())
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.")
n := 31
msgElems := make([]*ff.Element, 0, len(msg)/n+1)
msgElems := make([]*big.Int, 0, len(msg)/n+1)
for i := 0; i < len(msg)/n; i++ {
v := new(big.Int)
utils.SetBigIntFromLEBytes(v, msg[n*i:n*(i+1)])
msgElems = append(msgElems, utils.NewElement().SetBigInt(v))
msgElems = append(msgElems, v)
}
if len(msg)%n != 0 {
v := new(big.Int)
utils.SetBigIntFromLEBytes(v, msg[(len(msg)/n)*n:])
msgElems = append(msgElems, utils.NewElement().SetBigInt(v))
msgElems = append(msgElems, v)
}
hmsg, err := Hash(msgElems)
assert.Nil(t, err)
assert.Equal(t, "16019700159595764790637132363672701294192939959594423814006267756172551741065", hmsg.String())
msg2 := []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. Lorem ipsum dolor sit amet.")
msg2Elems := make([]*ff.Element, 0, len(msg2)/n+1)
msg2Elems := make([]*big.Int, 0, len(msg2)/n+1)
for i := 0; i < len(msg2)/n; i++ {
v := new(big.Int)
utils.SetBigIntFromLEBytes(v, msg2[n*i:n*(i+1)])
msg2Elems = append(msg2Elems, utils.NewElement().SetBigInt(v))
msg2Elems = append(msg2Elems, v)
}
if len(msg2)%n != 0 {
v := new(big.Int)
utils.SetBigIntFromLEBytes(v, msg2[(len(msg2)/n)*n:])
msg2Elems = append(msg2Elems, utils.NewElement().SetBigInt(v))
msg2Elems = append(msg2Elems, v)
}
hmsg2, err := Hash(msg2Elems)
assert.Nil(t, err)
@@ -68,29 +79,29 @@ func TestPoseidon(t *testing.T) {
}
func TestPoseidonBrokenChunks(t *testing.T) {
h1, err := Hash([]*ff.Element{utils.NewElement().SetUint64(0), utils.NewElement().SetUint64(1), utils.NewElement().SetUint64(2), utils.NewElement().SetUint64(3), utils.NewElement().SetUint64(4),
utils.NewElement().SetUint64(5), utils.NewElement().SetUint64(6), utils.NewElement().SetUint64(7), utils.NewElement().SetUint64(8), utils.NewElement().SetUint64(9)})
h1, err := Hash([]*big.Int{big.NewInt(0), big.NewInt(1), big.NewInt(2), big.NewInt(3), big.NewInt(4),
big.NewInt(5), big.NewInt(6), big.NewInt(7), big.NewInt(8), big.NewInt(9)})
assert.Nil(t, err)
h2, err := Hash([]*ff.Element{utils.NewElement().SetUint64(5), utils.NewElement().SetUint64(6), utils.NewElement().SetUint64(7), utils.NewElement().SetUint64(8), utils.NewElement().SetUint64(9),
utils.NewElement().SetUint64(0), utils.NewElement().SetUint64(1), utils.NewElement().SetUint64(2), utils.NewElement().SetUint64(3), utils.NewElement().SetUint64(4)})
h2, err := Hash([]*big.Int{big.NewInt(5), big.NewInt(6), big.NewInt(7), big.NewInt(8), big.NewInt(9),
big.NewInt(0), big.NewInt(1), big.NewInt(2), big.NewInt(3), big.NewInt(4)})
assert.Nil(t, err)
assert.NotEqual(t, h1, h2)
}
func TestPoseidonBrokenPadding(t *testing.T) {
h1, err := Hash([]*ff.Element{utils.NewElement().SetUint64(1)})
h1, err := Hash([]*big.Int{big.NewInt(int64(1))})
assert.Nil(t, err)
h2, err := Hash([]*ff.Element{utils.NewElement().SetUint64(1), utils.NewElement().SetUint64(0)})
h2, err := Hash([]*big.Int{big.NewInt(int64(1)), big.NewInt(int64(0))})
assert.Nil(t, err)
assert.NotEqual(t, h1, h2)
}
func BenchmarkPoseidon(b *testing.B) {
b12 := utils.NewElement().SetUint64(12)
b45 := utils.NewElement().SetUint64(45)
b78 := utils.NewElement().SetUint64(78)
b41 := utils.NewElement().SetUint64(41)
bigArray4 := []*ff.Element{b12, b45, b78, b41}
b12 := big.NewInt(int64(12))
b45 := big.NewInt(int64(45))
b78 := big.NewInt(int64(78))
b41 := big.NewInt(int64(41))
bigArray4 := []*big.Int{b12, b45, b78, b41}
for i := 0; i < b.N; i++ {
Hash(bigArray4)
@@ -98,11 +109,12 @@ func BenchmarkPoseidon(b *testing.B) {
}
func BenchmarkPoseidonLarge(b *testing.B) {
b12 := utils.NewElement().SetString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
b45 := utils.NewElement().SetString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
b78 := utils.NewElement().SetString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
b41 := utils.NewElement().SetString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
bigArray4 := []*ff.Element{b12, b45, b78, b41}
b12 := utils.NewIntFromString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
b45 := utils.NewIntFromString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
b78 := utils.NewIntFromString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
b41 := utils.NewIntFromString("11384336176656855268977457483345535180380036354188103142384839473266348197733")
bigArray4 := []*big.Int{b12, b45, b78, b41}
for i := 0; i < b.N; i++ {
Hash(bigArray4)