acme: add external account binding support
Implements https://tools.ietf.org/html/rfc8555#section-7.3.4
Fixes golang/go#41430
Co-authored-by: James Munnelly <james@munnelly.eu>
Change-Id: Icd0337fddbff49e7e79fb9105c2679609f990285
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/269279
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Katie Hockman <katie@golang.org>
Trust: Roland Shoemaker <roland@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
diff --git a/acme/acme.go b/acme/acme.go
index 6e6c9d1..174cfe8 100644
--- a/acme/acme.go
+++ b/acme/acme.go
@@ -363,6 +363,10 @@
// Also see Error's Instance field for when a CA requires already registered accounts to agree
// to an updated Terms of Service.
func (c *Client) Register(ctx context.Context, acct *Account, prompt func(tosURL string) bool) (*Account, error) {
+ if c.Key == nil {
+ return nil, errors.New("acme: client.Key must be set to Register")
+ }
+
dir, err := c.Discover(ctx)
if err != nil {
return nil, err
