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| author | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-06-03 20:44:29 +0800 |
|---|---|---|
| committer | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-06-03 20:44:29 +0800 |
| commit | edbd902a1b5e2d8d1fdff8e876594eb1859839e8 (patch) | |
| tree | 14b883bf9103f3a2f7341c175bfc338f091780e3 /crypto/crypto.go | |
| parent | 32e1b104f8fbc0f80bf2b6a93492aa01fa323e35 (diff) | |
| download | dexon-edbd902a1b5e2d8d1fdff8e876594eb1859839e8.tar.gz dexon-edbd902a1b5e2d8d1fdff8e876594eb1859839e8.tar.zst dexon-edbd902a1b5e2d8d1fdff8e876594eb1859839e8.zip | |
Initialise curve N value in package init
Diffstat (limited to 'crypto/crypto.go')
| -rw-r--r-- | crypto/crypto.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/crypto.go b/crypto/crypto.go index d5291fe1d..9aef44863 100644 --- a/crypto/crypto.go +++ b/crypto/crypto.go @@ -27,9 +27,12 @@ import ( "golang.org/x/crypto/ripemd160" ) +var secp256k1n *big.Int + func init() { // specify the params for the s256 curve ecies.AddParamsForCurve(S256(), ecies.ECIES_AES128_SHA256) + secp256k1n = common.String2Big("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141") } func Sha3(data ...[]byte) []byte { @@ -153,7 +156,6 @@ func GenerateKey() (*ecdsa.PrivateKey, error) { } func ValidateSignatureValues(v byte, r, s *big.Int) bool { - secp256k1n := common.String2Big("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141") vint := uint32(v) if r.Cmp(common.Big0) == 0 || s.Cmp(common.Big0) == 0 { return false |