From fcb586591ab6b1d50a9eff5b7a3e93655e62fef8 Mon Sep 17 00:00:00 2001 From: arnaucube Date: Tue, 17 Dec 2019 18:04:49 +0100 Subject: [PATCH] fix #9 --- poseidon/poseidon.go | 9 +++++---- poseidon/poseidon_test.go | 6 +++--- 2 files changed, 8 insertions(+), 7 deletions(-) diff --git a/poseidon/poseidon.go b/poseidon/poseidon.go index c7b6d28..2df83b0 100644 --- a/poseidon/poseidon.go +++ b/poseidon/poseidon.go @@ -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 } diff --git a/poseidon/poseidon_test.go b/poseidon/poseidon_test.go index 1104db5..a52e01a 100644 --- a/poseidon/poseidon_test.go +++ b/poseidon/poseidon_test.go @@ -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) {