1 files changed, 0 insertions, 97 deletions
diff --git a/crypto/secp256k1/secp256_rand.go b/crypto/secp256k1/secp256_rand.go
deleted file mode 100644
index bb10025fc..000000000
--- a/crypto/secp256k1/secp256_rand.go
+++ /dev/null
@@ -1,97 +0,0 @@
-package secp256k1
-
-import (
-	crand "crypto/rand"
-	"io"
-	mrand "math/rand"
-	"os"
-	"strings"
-	"time"
-)
-
-/*
-Note:
-
-- On windows cryto/rand uses CrytoGenRandom which uses RC4 which is insecure
-- Android random number generator is known to be insecure.
-- Linux uses /dev/urandom , which is thought to be secure and uses entropy pool
-
-Therefore the output is salted.
-*/
-
-//finalizer from MurmerHash3
-func mmh3f(key uint64) uint64 {
-	key ^= key >> 33
-	key *= 0xff51afd7ed558ccd
-	key ^= key >> 33
-	key *= 0xc4ceb9fe1a85ec53
-	key ^= key >> 33
-	return key
-}
-
-//knuth hash
-func knuth_hash(in []byte) uint64 {
-	var acc uint64 = 3074457345618258791
-	for i := 0; i < len(in); i++ {
-		acc += uint64(in[i])
-		acc *= 3074457345618258799
-	}
-	return acc
-}
-
-var _rand *mrand.Rand
-
-func init() {
-	var seed1 uint64 = mmh3f(uint64(time.Now().UnixNano()))
-	var seed2 uint64 = knuth_hash([]byte(strings.Join(os.Environ(), "")))
-	var seed3 uint64 = mmh3f(uint64(os.Getpid()))
-
-	_rand = mrand.New(mrand.NewSource(int64(seed1 ^ seed2 ^ seed3)))
-}
-
-func saltByte(n int) []byte {
-	buff := make([]byte, n)
-	for i := 0; i < len(buff); i++ {
-		var v uint64 = uint64(_rand.Int63())
-		var b byte
-		for j := 0; j < 8; j++ {
-			b ^= byte(v & 0xff)
-			v = v >> 8
-		}
-		buff[i] = b
-	}
-	return buff
-}
-
-//On Unix-like systems, Reader reads from /dev/urandom.
-//On Windows systems, Reader uses the CryptGenRandom API.
-
-//use entropy pool etc and cryptographic random number generator
-//mix in time
-//mix in mix in cpu cycle count
-func RandByte(n int) []byte {
-	buff := make([]byte, n)
-	ret, err := io.ReadFull(crand.Reader, buff)
-	if len(buff) != ret || err != nil {
-		return nil
-	}
-
-	buff2 := saltByte(n)
-	for i := 0; i < n; i++ {
-		buff[i] ^= buff2[2]
-	}
-	return buff
-}
-
-/*
-	On Unix-like systems, Reader reads from /dev/urandom.
-	On Windows systems, Reader uses the CryptGenRandom API.
-*/
-func RandByteWeakCrypto(n int) []byte {
-	buff := make([]byte, n)
-	ret, err := io.ReadFull(crand.Reader, buff)
-	if len(buff) != ret || err != nil {
-		return nil
-	}
-	return buff
-}