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-rw-r--r--src/crypto/ecdsa/ecdsa.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypto/ecdsa/ecdsa.go b/src/crypto/ecdsa/ecdsa.go
index ccce873859..219436935f 100644
--- 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: