15 files changed, 31 insertions, 5 deletions
diff --git a/vendor/golang.org/x/crypto/acme/acme.go b/vendor/golang.org/x/crypto/acme/acme.go
index 174cfe8b..73b19ef3 100644
--- a/vendor/golang.org/x/crypto/acme/acme.go
+++ b/vendor/golang.org/x/crypto/acme/acme.go
@@ -4,7 +4,7 @@
 
 // Package acme provides an implementation of the
 // Automatic Certificate Management Environment (ACME) spec.
-// The intial implementation was based on ACME draft-02 and
+// The initial implementation was based on ACME draft-02 and
 // is now being extended to comply with RFC 8555.
 // See https://tools.ietf.org/html/draft-ietf-acme-acme-02
 // and https://tools.ietf.org/html/rfc8555 for details.
diff --git a/vendor/golang.org/x/crypto/acme/rfc8555.go b/vendor/golang.org/x/crypto/acme/rfc8555.go
index 073cee58..f9d3011f 100644
--- a/vendor/golang.org/x/crypto/acme/rfc8555.go
+++ b/vendor/golang.org/x/crypto/acme/rfc8555.go
@@ -410,3 +410,29 @@ func isAlreadyRevoked(err error) bool {
 	e, ok := err.(*Error)
 	return ok && e.ProblemType == "urn:ietf:params:acme:error:alreadyRevoked"
 }
+
+// ListCertAlternates retrieves any alternate certificate chain URLs for the
+// given certificate chain URL. These alternate URLs can be passed to FetchCert
+// in order to retrieve the alternate certificate chains.
+//
+// If there are no alternate issuer certificate chains, a nil slice will be
+// returned.
+func (c *Client) ListCertAlternates(ctx context.Context, url string) ([]string, error) {
+	if _, err := c.Discover(ctx); err != nil { // required by c.accountKID
+		return nil, err
+	}
+
+	res, err := c.postAsGet(ctx, url, wantStatus(http.StatusOK))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	// We don't need the body but we need to discard it so we don't end up
+	// preventing keep-alive
+	if _, err := io.Copy(ioutil.Discard, res.Body); err != nil {
+		return nil, fmt.Errorf("acme: cert alternates response stream: %v", err)
+	}
+	alts := linkHeader(res.Header, "alternate")
+	return alts, nil
+}
diff --git a/vendor/golang.org/x/crypto/poly1305/bits_compat.go b/vendor/golang.org/x/crypto/internal/poly1305/bits_compat.go
index 45b5c966..45b5c966 100644
--- a/vendor/golang.org/x/crypto/poly1305/bits_compat.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/bits_compat.go
diff --git a/vendor/golang.org/x/crypto/poly1305/bits_go1.13.go b/vendor/golang.org/x/crypto/internal/poly1305/bits_go1.13.go
index ed52b341..ed52b341 100644
--- a/vendor/golang.org/x/crypto/poly1305/bits_go1.13.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/bits_go1.13.go
diff --git a/vendor/golang.org/x/crypto/poly1305/mac_noasm.go b/vendor/golang.org/x/crypto/internal/poly1305/mac_noasm.go
index f184b67d..f184b67d 100644
--- a/vendor/golang.org/x/crypto/poly1305/mac_noasm.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/mac_noasm.go
diff --git a/vendor/golang.org/x/crypto/poly1305/poly1305.go b/vendor/golang.org/x/crypto/internal/poly1305/poly1305.go
index 9d7a6af0..4aaea810 100644
--- a/vendor/golang.org/x/crypto/poly1305/poly1305.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/poly1305.go
@@ -15,7 +15,7 @@
 // used with a fixed key in order to generate one-time keys from an nonce.
 // However, in this package AES isn't used and the one-time key is specified
 // directly.
-package poly1305 // import "golang.org/x/crypto/poly1305"
+package poly1305
 
 import "crypto/subtle"
 
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go b/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.go
index 6d522333..6d522333 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.go
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s b/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.s
index 1d74f0f8..1d74f0f8 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s
+++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.s
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_generic.go b/vendor/golang.org/x/crypto/internal/poly1305/sum_generic.go
index c942a659..c942a659 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_generic.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_generic.go
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.go b/vendor/golang.org/x/crypto/internal/poly1305/sum_ppc64le.go
index 4a069941..4a069941 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_ppc64le.go
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s b/vendor/golang.org/x/crypto/internal/poly1305/sum_ppc64le.s
index 58422aad..58422aad 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s
+++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_ppc64le.s
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_s390x.go b/vendor/golang.org/x/crypto/internal/poly1305/sum_s390x.go
index 62cc9f84..62cc9f84 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_s390x.go
+++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_s390x.go
diff --git a/vendor/golang.org/x/crypto/poly1305/sum_s390x.s b/vendor/golang.org/x/crypto/internal/poly1305/sum_s390x.s
index 69c64f84..aa9e0494 100644
--- a/vendor/golang.org/x/crypto/poly1305/sum_s390x.s
+++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_s390x.s
@@ -18,7 +18,7 @@
 // value. These limbs are, for the most part, zero extended and
 // placed into 64-bit vector register elements. Each vector
 // register is 128-bits wide and so holds 2 of these elements.
-// Using 26-bit limbs allows us plenty of headroom to accomodate
+// Using 26-bit limbs allows us plenty of headroom to accommodate
 // accumulations before and after multiplication without
 // overflowing either 32-bits (before multiplication) or 64-bits
 // (after multiplication).
diff --git a/vendor/golang.org/x/crypto/nacl/secretbox/secretbox.go b/vendor/golang.org/x/crypto/nacl/secretbox/secretbox.go
index a98d1bd4..a2973e62 100644
--- a/vendor/golang.org/x/crypto/nacl/secretbox/secretbox.go
+++ b/vendor/golang.org/x/crypto/nacl/secretbox/secretbox.go
@@ -35,8 +35,8 @@ This package is interoperable with NaCl: https://nacl.cr.yp.to/secretbox.html.
 package secretbox // import "golang.org/x/crypto/nacl/secretbox"
 
 import (
+	"golang.org/x/crypto/internal/poly1305"
 	"golang.org/x/crypto/internal/subtle"
-	"golang.org/x/crypto/poly1305"
 	"golang.org/x/crypto/salsa20/salsa"
 )
 
diff --git a/vendor/golang.org/x/crypto/ssh/cipher.go b/vendor/golang.org/x/crypto/ssh/cipher.go
index 8bd6b3da..bddbde5d 100644
--- a/vendor/golang.org/x/crypto/ssh/cipher.go
+++ b/vendor/golang.org/x/crypto/ssh/cipher.go
@@ -18,7 +18,7 @@ import (
 	"io/ioutil"
 
 	"golang.org/x/crypto/chacha20"
-	"golang.org/x/crypto/poly1305"
+	"golang.org/x/crypto/internal/poly1305"
 )
 
 const (