crypto/ecdsa: fix dead reference link

The previous link broke, but it's available on the internet archive.

Fixes #39808

Change-Id: Ic2be74a1f0591600ca1acbe08e1bab8ba1e21abe
GitHub-Last-Rev: 6d6de5d2f451c6d53a1e55b62fb5a1fab0d49f10
GitHub-Pull-Request: golang/go#40165
Reviewed-on: https://go-review.googlesource.com/c/go/+/242103
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>

diff --git a/src/crypto/ecdsa/ecdsa.go b/src/crypto/ecdsa/ecdsa.go
index ccce87385947f06dd30d813ee0998a35e3a8cd34..219436935f2c96f4bcf5c7943b173c7c90f06f44 100644 (file)
--- a/src/crypto/ecdsa/ecdsa.go
+++ b/src/crypto/ecdsa/ecdsa.go
@@ -17,7 +17,7 @@
 //   [Coron]
 //     https://cs.nyu.edu/~dodis/ps/merkle.pdf
 //   [Larsson]
-//     https://www.nada.kth.se/kurser/kth/2D1441/semteo03/lecturenotes/assump.pdf
+//     https://web.archive.org/web/20040719170906/https://www.nada.kth.se/kurser/kth/2D1441/semteo03/lecturenotes/assump.pdf
 package ecdsa
 
 // Further references: