From 4907d28967a890628f4dd014be2e7e1fbd8f4d04 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Sun, 19 Apr 2015 01:33:00 +0200
Subject: crypto: update {Load,Save}ECDSA comments to mention hex encoding
---
crypto/crypto.go | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
(limited to 'crypto/crypto.go')
diff --git a/crypto/crypto.go b/crypto/crypto.go
index 9865c87c4..89423e0c4 100644
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@@ -120,6 +120,7 @@ func HexToECDSA(hexkey string) (*ecdsa.PrivateKey, error) {
}
// LoadECDSA loads a secp256k1 private key from the given file.
+// The key data is expected to be hex-encoded.
func LoadECDSA(file string) (*ecdsa.PrivateKey, error) {
buf := make([]byte, 64)
fd, err := os.Open(file)
@@ -139,8 +140,8 @@ func LoadECDSA(file string) (*ecdsa.PrivateKey, error) {
return ToECDSA(key), nil
}
-// SaveECDSA saves a secp256k1 private key to the given file with restrictive
-// permissions
+// SaveECDSA saves a secp256k1 private key to the given file with
+// restrictive permissions. The key data is saved hex-encoded.
func SaveECDSA(file string, key *ecdsa.PrivateKey) error {
k := hex.EncodeToString(FromECDSA(key))
return ioutil.WriteFile(file, []byte(k), 0600)
--
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