Merge pull request #283 from lupine/patch-1

Generate hashCAFile with SHA256

Author: Julien Pivotto

.circleci/config.yml

@@ -43,20 +43,6 @@ workflows:
   tests:
     jobs:
     # Supported Go versions are synced with github.com/prometheus/client_golang.
-    - test:
-        name: go-1-9
-        go_version: "1.9"
-        use_gomod_cache: false
-    - test:
-        name: go-1-10
-        go_version: "1.10"
-        use_gomod_cache: false
-    - test:
-        name: go-1-11
-        go_version: "1.11"
-    - test:
-        name: go-1-12
-        go_version: "1.12"
     - test:
         name: go-1-13
         go_version: "1.13"

config/http_config.go

@@ -17,7 +17,7 @@ package config
 
 import (
 	"bytes"
-	"crypto/md5"
+	"crypto/sha256"
 	"crypto/tls"
 	"crypto/x509"
 	"fmt"
@@ -533,7 +533,7 @@ func (t *tlsRoundTripper) getCAWithHash() ([]byte, []byte, error) {
 	if err != nil {
 		return nil, nil, err
 	}
-	h := md5.Sum(b)
+	h := sha256.Sum256(b)
 	return b, h[:], nil
 
 }