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fix #9

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arnaucube
2019-12-17 18:04:49 +01:00
parent 7c6170453e
commit fcb586591a
2 changed files with 8 additions and 7 deletions
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9
poseidon/poseidon.go
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@@ -168,15 +168,16 @@ func Hash(arr []*big.Int) (*big.Int, error) {
r := constants.fqR.Zero()
for i := 0; i < len(arr); i = i + 5 {
var fiveElems [5]*big.Int
var toHash [6]*big.Int
for j := 0; j < 5; j++ {
if i+j < len(arr) {
fiveElems[j] = arr[i+j]
toHash[j] = arr[i+j]
} else {
fiveElems[j] = _constants.Zero
toHash[j] = _constants.Zero
}
}
ph, err := PoseidonHash(fiveElems[:])
toHash[5] = r
ph, err := PoseidonHash(toHash[:])
if err != nil {
return nil, err
}

6
poseidon/poseidon_test.go
View File

@@ -43,7 +43,7 @@ func TestPoseidon(t *testing.T) {
}
hmsg, err := Hash(msgElems)
assert.Nil(t, err)
assert.Equal(t, "11821124228916291136371255062457365369197326845706357273715164664419275913793", hmsg.String())
assert.Equal(t, "19204466598658860237115179437116112945222240370078952939676636700594938553268", 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([]*big.Int, 0, len(msg2)/n+1)
@@ -59,11 +59,11 @@ func TestPoseidon(t *testing.T) {
}
hmsg2, err := Hash(msg2Elems)
assert.Nil(t, err)
assert.Equal(t, "10747013384255785702102976082726575658403084163954725275481577373644732938016", hmsg2.String())
assert.Equal(t, "11846976426841208067103690249139614816718727366915557488657094868020932500524", hmsg2.String())
hmsg2, err = HashBytes(msg2)
assert.Nil(t, err)
assert.Equal(t, "10747013384255785702102976082726575658403084163954725275481577373644732938016", hmsg2.String())
assert.Equal(t, "11846976426841208067103690249139614816718727366915557488657094868020932500524", hmsg2.String())
}
func TestPoseidonBrokenChunks(t *testing.T) {