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| author | Felix Lange <fjl@twurst.com> | 2015-03-17 08:32:35 +0800 |
|---|---|---|
| committer | Felix Lange <fjl@twurst.com> | 2015-03-17 08:32:35 +0800 |
| commit | ad78db4d62d392e9462ac4c1f8ac3d9718fdd0fc (patch) | |
| tree | caa6081cbade6c4159206b513d9ec82dc30df2c4 | |
| parent | 8ce6a3647821706cf5e9bb1a9dc13f23c84f6585 (diff) | |
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crypto: fix Sha3Hash and add a test for it
| -rw-r--r-- | crypto/crypto.go | 2 | ||||
| -rw-r--r-- | crypto/crypto_test.go | 8 |
2 files changed, 8 insertions, 2 deletions
diff --git a/crypto/crypto.go b/crypto/crypto.go index 1f8dfcf32..ec2b41042 100644 --- a/crypto/crypto.go +++ b/crypto/crypto.go @@ -42,7 +42,7 @@ func Sha3Hash(data ...[]byte) (h common.Hash) { for _, b := range data { d.Write(b) } - d.Sum(h[:]) + d.Sum(h[:0]) return h } diff --git a/crypto/crypto_test.go b/crypto/crypto_test.go index 754287641..63a9c3f5e 100644 --- a/crypto/crypto_test.go +++ b/crypto/crypto_test.go @@ -7,8 +7,8 @@ import ( "testing" "time" - "github.com/ethereum/go-ethereum/crypto/secp256k1" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto/secp256k1" ) // These tests are sanity checks. @@ -21,6 +21,12 @@ func TestSha3(t *testing.T) { checkhash(t, "Sha3-256", func(in []byte) []byte { return Sha3(in) }, msg, exp) } +func TestSha3Hash(t *testing.T) { + msg := []byte("abc") + exp, _ := hex.DecodeString("4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45") + checkhash(t, "Sha3-256-array", func(in []byte) []byte { h := Sha3Hash(in); return h[:] }, msg, exp) +} + func TestSha256(t *testing.T) { msg := []byte("abc") exp, _ := hex.DecodeString("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad") |