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authorFelix Lange <fjl@twurst.com>2015-04-19 07:33:00 +0800
committerFelix Lange <fjl@twurst.com>2015-04-19 07:33:00 +0800
commit4907d28967a890628f4dd014be2e7e1fbd8f4d04 (patch)
tree966da1ed2808400f49a0f2c65e5a59cf5c333feb /crypto
parentda4a0e05555fdcbf3e561b4c7bb93964f7d417f3 (diff)
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crypto: update {Load,Save}ECDSA comments to mention hex encoding
Diffstat (limited to 'crypto')
-rw-r--r--crypto/crypto.go5
1 files changed, 3 insertions, 2 deletions
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)