format with go fmt

lib/crypto/hmac.go

@@ -1,7 +1,7 @@
 package crypto
 
 import (
-  "crypto/md5"
+	"crypto/md5"
 )
 
 const IPAD = byte(0x36)
@@ -11,33 +11,33 @@ type HMACKey [32]byte
 type HMACDigest [16]byte
 
 func (hk HMACKey) xor(p byte) (i []byte) {
-  i = make([]byte, 64)
-  for idx, b := range hk {
-    i[idx] =  b ^ p
-  }
-  c := 32
-  for c > 0 {
-    c--
-    i[c+32] = p
-  }
-  return 
+	i = make([]byte, 64)
+	for idx, b := range hk {
+		i[idx] = b ^ p
+	}
+	c := 32
+	for c > 0 {
+		c--
+		i[c+32] = p
+	}
+	return
 }
 
 //
-// do i2p hmac 
+// do i2p hmac
 //
 func I2PHMAC(data []byte, k HMACKey) (d HMACDigest) {
-  
-  buff := make([]byte, 64+len(data))
-  ip := k.xor(IPAD)
-  copy(buff, ip)
-  copy(buff[64:], data)
-  h := md5.Sum(buff)
 
-  buff = make([]byte, 96)
-  copy(buff, k.xor(OPAD))
-  copy(buff[64:], h[:])
-  // go zeros slices so we do not have to zero
-  d = md5.Sum(buff)
-  return
+	buff := make([]byte, 64+len(data))
+	ip := k.xor(IPAD)
+	copy(buff, ip)
+	copy(buff[64:], data)
+	h := md5.Sum(buff)
+
+	buff = make([]byte, 96)
+	copy(buff, k.xor(OPAD))
+	copy(buff[64:], h[:])
+	// go zeros slices so we do not have to zero
+	d = md5.Sum(buff)
+	return
 }