internal/outpost: fix incorrect usage of golang SHA API (#14981)

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

internal/outpost/proxyv2/application/application.go

@@ -5,6 +5,7 @@ import (
 	"crypto/sha256"
 	"crypto/tls"
 	"encoding/gob"
+	"encoding/hex"
 	"fmt"
 	"html/template"
 	"net/http"
@@ -118,8 +119,8 @@ func NewApplication(p api.ProxyOutpostConfig, c *http.Client, server Server, old
 	mux := mux.NewRouter()
 
 	// Save cookie name, based on hashed client ID
-	h := sha256.New()
-	bs := string(h.Sum([]byte(*p.ClientId)))
+	hs := sha256.Sum256([]byte(*p.ClientId))
+	bs := hex.EncodeToString(hs[:])
 	sessionName := fmt.Sprintf("authentik_proxy_%s", bs[:8])
 
 	// When HOST_BROWSER is set, use that as Host header for token requests to make the issuer match

internal/outpost/radius/handler.go

@@ -2,6 +2,7 @@ package radius
 
 import (
 	"crypto/sha512"
+	"encoding/hex"
 	"time"
 
 	"github.com/getsentry/sentry-go"
@@ -68,7 +69,9 @@ func (rs *RadiusServer) ServeRADIUS(w radius.ResponseWriter, r *radius.Request)
 		}
 	}
 	if pi == nil {
-		nr.Log().WithField("hashed_secret", string(sha512.New().Sum(r.Secret))).Warning("No provider found")
+		hs := sha512.Sum512([]byte(r.Secret))
+		bs := hex.EncodeToString(hs[:])
+		nr.Log().WithField("hashed_secret", bs).Warning("No provider found")
 		_ = w.Write(r.Response(radius.CodeAccessReject))
 		return
 	}