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| author | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-02-05 00:06:06 +0800 |
|---|---|---|
| committer | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-02-11 05:49:28 +0800 |
| commit | 8c056aebe10c8c56f7c25889780b04e00f9ca00b (patch) | |
| tree | 9186028c43f33dec61d21924866248da2c559330 /crypto/secp256k1 | |
| parent | e40c1c62ce0c2d9567066d84ea74fd24b424a81a (diff) | |
| download | dexon-8c056aebe10c8c56f7c25889780b04e00f9ca00b.tar.gz dexon-8c056aebe10c8c56f7c25889780b04e00f9ca00b.tar.zst dexon-8c056aebe10c8c56f7c25889780b04e00f9ca00b.zip | |
Set both key generation and ECDSA nonce to use mixed entropy
* Move random entropy functions to new package randentropy
* Add function to get n bytes entropy where up to first 32
bytes are mixed with OS entropy sources
Diffstat (limited to 'crypto/secp256k1')
| -rw-r--r-- | crypto/secp256k1/secp256.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/secp256k1/secp256.go b/crypto/secp256k1/secp256.go index c01598b84..c1e37629e 100644 --- a/crypto/secp256k1/secp256.go +++ b/crypto/secp256k1/secp256.go @@ -15,6 +15,7 @@ import "C" import ( "bytes" "errors" + "github.com/ethereum/go-ethereum/crypto/randentropy" "unsafe" ) @@ -68,7 +69,7 @@ func GenerateKeyPair() ([]byte, []byte) { const seckey_len = 32 var pubkey []byte = make([]byte, pubkey_len) - var seckey []byte = RandByte(seckey_len) + var seckey []byte = randentropy.GetEntropyMixed(seckey_len) var pubkey_ptr *C.uchar = (*C.uchar)(unsafe.Pointer(&pubkey[0])) var seckey_ptr *C.uchar = (*C.uchar)(unsafe.Pointer(&seckey[0])) @@ -124,7 +125,7 @@ int secp256k1_ecdsa_sign_compact(const unsigned char *msg, int msglen, */ func Sign(msg []byte, seckey []byte) ([]byte, error) { - nonce := RandByte(32) + nonce := randentropy.GetEntropyMixed(32) var sig []byte = make([]byte, 65) var recid C.int |