wgcfg: improve SymmetricKey docs

Signed-off-by: David Crawshaw <[email protected]>
WireGuard · Mar 31, 2020 · d127a16 · zx2c4 · Apr 2, 2020 · zx2c4
1 parent 024d6ea
commit d127a16
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/wgcfg/key.go b/wgcfg/key.go
@@ -229,8 +229,7 @@ func ParseSymmetricHexKey(s string) (SymmetricKey, error) {
 	return key, nil
 }
 
-// SymmetricKey is a chacha20poly1305 key.
-// It is used by WireGuard to represent pre-shared symmetric keys.
+// SymmetricKey is a 32-byte value used as a pre-shared key.
 type SymmetricKey [chacha20poly1305.KeySize]byte
 
 func (k SymmetricKey) Base64() string             { return base64.StdEncoding.EncodeToString(k[:]) }