arnaucube/gnark-plonky2-verifier
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finish eddsa

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This commit is contained in:
Jacob Jackson
2022-10-05 22:04:22 +00:00
parent 6573397655
commit 06582cb3ee
5 changed files with 149 additions and 38 deletions
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13
sha512/sha512.go
View File

@@ -15,18 +15,7 @@ func _right_rotate(n [64]frontend.Variable, bits int) [64]frontend.Variable {
return result
}
func Sha512Bytes(api frontend.API, in []frontend.Variable) ([512]frontend.Variable) {
bits := []frontend.Variable{}
for _, v := range in {
b := api.ToBinary(v, 8)
for i := 0; i < 8; i++ {
bits = append(bits, b[7-i])
}
}
return Sha512Bits(api, bits)
}
func Sha512Bits(api frontend.API, in []frontend.Variable) ([512]frontend.Variable) {
func Sha512(api frontend.API, in []frontend.Variable) ([512]frontend.Variable) {
_not := func(x [64]frontend.Variable) [64]frontend.Variable {
return not(api, x)
}

18
sha512/sha_test.go
View File

@@ -15,7 +15,7 @@ type Sha512Circuit struct {
}
func (circuit *Sha512Circuit) Define(api frontend.API) error {
res := Sha512Bits(api, circuit.in)
res := Sha512(api, circuit.in)
if len(res) != 512 { panic("bad length") }
for i := 0; i < 512; i++ {
api.AssertIsEqual(res[i], circuit.out[i])
@@ -28,8 +28,7 @@ var testCurve = ecc.BN254
func TestSha512(t *testing.T) {
assert := test.NewAssert(t)
testCase := func(input, output string) {
in := toBytes(input)
testCase := func(in []byte, output string) {
out, err := hex.DecodeString(output)
if err != nil { panic(err) }
if len(out) != 512 / 8 { panic("bad output length") }
@@ -46,8 +45,9 @@ func TestSha512(t *testing.T) {
assert.NoError(err)
}
testCase("", "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e")
testCase("Succinct Labs", "503ace098aa03f6feec1b5df0a38aee923f744a775508bc81f2b94ad139be297c2e8cd8c44af527b5d3f017a7fc929892c896604047e52e3f518924f52bff0dc")
testCase([]byte(""), "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e")
testCase([]byte("Succinct Labs"), "503ace098aa03f6feec1b5df0a38aee923f744a775508bc81f2b94ad139be297c2e8cd8c44af527b5d3f017a7fc929892c896604047e52e3f518924f52bff0dc")
testCase(decode("35c323757c20640a294345c89c0bfcebe3d554fdb0c7b7a0bdb72222c531b1ecf7ec1c43f4de9d49556de87b86b26a98942cb078486fdb44de38b80864c3973153756363696e6374204c616273"), "4388243c4452274402673de881b2f942ff5730fd2c7d8ddb94c3e3d789fb3754380cba8faa40554d9506a0730a681e88ab348a04bc5c41d18926f140b59aed39")
}
func toBits(arr []byte) []frontend.Variable {
@@ -64,6 +64,10 @@ func toBits(arr []byte) []frontend.Variable {
return result
}
func toBytes(s string) []byte {
return []byte(s)
func decode(s string) []byte {
result, err := hex.DecodeString(s)
if err != nil {
panic(err)
}
return result
}