client jwk was there the whole time

acme/challenge.go

@@ -463,10 +463,6 @@ func wireDPOP01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose.JSO
 		return NewErrorISE("missing provisioner")
 	}
 
-	jwk, ok = ctx.Value("jwk").(*jose.JSONWebKey)
-	if !ok || jwk == nil {
-		return storeError(ctx, db, ch, false, NewError(ErrorServerInternalType, "failed fetching the client JWK from context"))
-	}
 	kid, thumbprintErr := jwk.Thumbprint(crypto.SHA256)
 	if thumbprintErr != nil {
 		return storeError(ctx, db, ch, false, WrapError(ErrorServerInternalType, thumbprintErr, "failed to compute JWK thumbprint"))