diff --git a/.env.dist b/.env.dist
index 6f09b89..4a9a61a 100644
--- a/.env.dist
+++ b/.env.dist
@@ -1,3 +1,4 @@
 RUN_APP_ARGS=""
 #EDGE_DOCUMENTSTORE_DSN="rpc://localhost:3001/documentstore?tenant=local&appId=%APPID%"
-#EDGE_BLOBSTORE_DSN="rpc://localhost:3001/blobstore?tenant=local&appId=%APPID%"
\ No newline at end of file
+#EDGE_BLOBSTORE_DSN="rpc://localhost:3001/blobstore?tenant=local&appId=%APPID%"
+#EDGE_SHARESTORE_DSN="rpc://localhost:3001/sharestore?tenant=local"
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 942f5b3..c86f74d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,5 @@
 .mktools/
 /dist
 /.chglog
-/CHANGELOG.md
\ No newline at end of file
+/CHANGELOG.md
+/storage-server.key
\ No newline at end of file
diff --git a/cmd/cli/command/app/run.go b/cmd/cli/command/app/run.go
index 05003e5..e2ad78c 100644
--- a/cmd/cli/command/app/run.go
+++ b/cmd/cli/command/app/run.go
@@ -16,6 +16,7 @@ import (
 	"forge.cadoles.com/arcad/edge/pkg/bus"
 	"forge.cadoles.com/arcad/edge/pkg/bus/memory"
 	appHTTP "forge.cadoles.com/arcad/edge/pkg/http"
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"forge.cadoles.com/arcad/edge/pkg/module"
 	appModule "forge.cadoles.com/arcad/edge/pkg/module/app"
 	appModuleMemory "forge.cadoles.com/arcad/edge/pkg/module/app/memory"
@@ -33,7 +34,6 @@ import (
 	"forge.cadoles.com/arcad/edge/pkg/bundle"
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/chi/v5/middleware"
-	"github.com/lestrrat-go/jwx/v2/jwa"
 	"github.com/lestrrat-go/jwx/v2/jwk"
 	"github.com/pkg/errors"
 	"github.com/urfave/cli/v2"
@@ -50,6 +50,8 @@ import (
 	"forge.cadoles.com/arcad/edge/pkg/storage/share"
 )
 
+var dummySecret = []byte("not_so_secret")
+
 func RunCommand() *cli.Command {
 	return &cli.Command{
 		Name:  "run",
@@ -194,7 +196,7 @@ func runApp(ctx context.Context, path, address, documentStoreDSN, blobStoreDSN,
 	ctx = logger.With(ctx, logger.F("appID", manifest.ID))
 
 	// Add auth handler
-	key, err := dummyKey()
+	key, err := jwtutil.NewSymmetricKey(dummySecret)
 	if err != nil {
 		return errors.WithStack(err)
 	}
@@ -220,17 +222,17 @@ func runApp(ctx context.Context, path, address, documentStoreDSN, blobStoreDSN,
 			appModule.Mount(appRepository),
 			authModule.Mount(
 				authHTTP.NewLocalHandler(
-					jwa.HS256, key,
+					key,
 					authHTTP.WithRoutePrefix("/auth"),
 					authHTTP.WithAccounts(deps.Accounts...),
 				),
-				authModule.WithJWT(dummyKeySet),
+				authModule.WithJWT(func() (jwk.Set, error) {
+					return jwtutil.NewSymmetricKeySet(dummySecret)
+				}),
 			),
 		),
 		appHTTP.WithHTTPMiddlewares(
-			authModuleMiddleware.AnonymousUser(
-				jwa.HS256, key,
-			),
+			authModuleMiddleware.AnonymousUser(key),
 		),
 	)
 	if err := handler.Load(bundle); err != nil {
@@ -276,7 +278,9 @@ func getServerModules(deps *moduleDeps) []app.ServerModuleFactory {
 		module.StoreModuleFactory(deps.DocumentStore),
 		blob.ModuleFactory(deps.Bus, deps.BlobStore),
 		authModule.ModuleFactory(
-			authModule.WithJWT(dummyKeySet),
+			authModule.WithJWT(func() (jwk.Set, error) {
+				return jwtutil.NewSymmetricKeySet(dummySecret)
+			}),
 		),
 		appModule.ModuleFactory(deps.AppRepository),
 		fetch.ModuleFactory(deps.Bus),
@@ -284,36 +288,6 @@ func getServerModules(deps *moduleDeps) []app.ServerModuleFactory {
 	}
 }
 
-var dummySecret = []byte("not_so_secret")
-
-func dummyKey() (jwk.Key, error) {
-	key, err := jwk.FromRaw(dummySecret)
-	if err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	return key, nil
-}
-
-func dummyKeySet() (jwk.Set, error) {
-	key, err := dummyKey()
-	if err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	if err := key.Set(jwk.AlgorithmKey, jwa.HS256); err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	set := jwk.NewSet()
-
-	if err := set.AddKey(key); err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	return set, nil
-}
-
 func ensureDir(path string) error {
 	if err := os.MkdirAll(filepath.Dir(path), os.ModePerm); err != nil {
 		return errors.WithStack(err)
diff --git a/cmd/storage-server/command/run.go b/cmd/storage-server/command/run.go
index 829745e..aa0cad2 100644
--- a/cmd/storage-server/command/run.go
+++ b/cmd/storage-server/command/run.go
@@ -1,6 +1,7 @@
 package command
 
 import (
+	"context"
 	"fmt"
 	"net/http"
 	"strings"
@@ -9,6 +10,7 @@ import (
 
 	"github.com/hashicorp/golang-lru/v2/expirable"
 	"github.com/keegancsmith/rpc"
+	"github.com/lestrrat-go/jwx/v2/jwk"
 	"gitlab.com/wpetit/goweb/logger"
 
 	"github.com/go-chi/chi/v5"
@@ -17,6 +19,7 @@ import (
 	"github.com/urfave/cli/v2"
 
 	// Register storage drivers
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"forge.cadoles.com/arcad/edge/pkg/storage"
 	"forge.cadoles.com/arcad/edge/pkg/storage/driver"
 	_ "forge.cadoles.com/arcad/edge/pkg/storage/driver/rpc"
@@ -50,6 +53,12 @@ func Run() *cli.Command {
 				EnvVars: []string{"STORAGE_SERVER_SHARESTORE_DSN_PATTERN"},
 				Value:   fmt.Sprintf("sqlite://data/%%TENANT%%/sharestore.sqlite?_pragma=foreign_keys(1)&_pragma=busy_timeout=%d", (60 * time.Second).Milliseconds()),
 			},
+			&cli.StringFlag{
+				Name:      "private-key",
+				EnvVars:   []string{"STORAGE_SERVER_PRIVATE_KEY"},
+				Value:     "storage-server.key",
+				TakesFile: true,
+			},
 			&cli.DurationFlag{
 				Name:    "cache-ttl",
 				EnvVars: []string{"STORAGE_SERVER_CACHE_TTL"},
@@ -68,9 +77,20 @@ func Run() *cli.Command {
 			shareStoreDSNPattern := ctx.String("sharestore-dsn-pattern")
 			cacheSize := ctx.Int("cache-size")
 			cacheTTL := ctx.Duration("cache-ttl")
+			privateKeyFile := ctx.String("private-key")
 
 			router := chi.NewRouter()
 
+			rsaKey, err := jwtutil.LoadOrGenerateRSAKey(privateKeyFile, 2048)
+			if err != nil {
+				return errors.WithStack(err)
+			}
+
+			privateKey, err := jwtutil.FromRSA(rsaKey)
+			if err != nil {
+				return errors.WithStack(err)
+			}
+
 			getBlobStoreServer := createGetCachedStoreServer(
 				func(dsn string) (storage.BlobStore, error) {
 					return driver.NewBlobStore(dsn)
@@ -100,6 +120,7 @@ func Run() *cli.Command {
 
 			router.Use(middleware.RealIP)
 			router.Use(middleware.Logger)
+			router.Use(authenticate(privateKey))
 
 			router.Handle("/blobstore", createStoreHandler(getBlobStoreServer, blobStoreDSNPattern, cacheSize, cacheTTL))
 			router.Handle("/documentstore", createStoreHandler(getDocumentStoreServer, documentStoreDSNPattern, cacheSize, cacheTTL))
@@ -177,3 +198,76 @@ func createStoreHandler(getStoreServer getRPCServerFunc, dsnPattern string, cach
 		server.ServeHTTP(w, r)
 	})
 }
+
+func authenticate(privateKey jwk.Key) func(http.Handler) http.Handler {
+	keySet, err := jwtutil.NewKeySet(privateKey)
+	getKeySet := func() (jwk.Set, error) {
+		if err != nil {
+			return nil, errors.WithStack(err)
+		}
+
+		return keySet, nil
+	}
+
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			ctx := r.Context()
+
+			token, err := jwtutil.FindToken(r, getKeySet, jwtutil.WithFinders(
+				jwtutil.FindTokenFromQueryString("token"),
+			))
+			if err != nil {
+				logger.Error(ctx, "could not find jwt token", logger.E(errors.WithStack(err)))
+				http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+
+				return
+			}
+
+			tokenMap, err := token.AsMap(ctx)
+			if err != nil {
+				logger.Error(ctx, "could not transform token to map", logger.E(errors.WithStack(err)))
+				http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+
+				return
+			}
+
+			rawTenant, exists := tokenMap["tenant"]
+			if !exists {
+				logger.Warn(ctx, "could not find tenant claim", logger.F("token", token))
+				http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+
+				return
+			}
+
+			tenant, ok := rawTenant.(string)
+			if !ok {
+				logger.Warn(ctx, "unexpected tenant claim value", logger.F("token", token))
+				http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+
+				return
+			}
+
+			r = r.WithContext(context.WithValue(ctx, "tenant", tenant))
+
+			rawAppId, exists := tokenMap["appId"]
+			if !exists {
+				logger.Warn(ctx, "could not find appId claim", logger.F("token", token))
+				http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+
+				return
+			}
+
+			appId, ok := rawAppId.(string)
+			if !ok {
+				logger.Warn(ctx, "unexpected appId claim value", logger.F("token", token))
+				http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+
+				return
+			}
+
+			r = r.WithContext(context.WithValue(ctx, "appId", appId))
+
+			next.ServeHTTP(w, r)
+		})
+	}
+}
diff --git a/pkg/module/auth/error.go b/pkg/jwtutil/error.go
similarity index 55%
rename from pkg/module/auth/error.go
rename to pkg/jwtutil/error.go
index 96618f9..9a789f8 100644
--- a/pkg/module/auth/error.go
+++ b/pkg/jwtutil/error.go
@@ -1,5 +1,6 @@
-package auth
+package jwtutil
 
 import "errors"
 
 var ErrUnauthenticated = errors.New("unauthenticated")
+var ErrNoKeySet = errors.New("no keyset")
diff --git a/pkg/jwtutil/jwt.go b/pkg/jwtutil/jwt.go
new file mode 100644
index 0000000..0d8602f
--- /dev/null
+++ b/pkg/jwtutil/jwt.go
@@ -0,0 +1,123 @@
+package jwtutil
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/lestrrat-go/jwx/v2/jwk"
+	"github.com/lestrrat-go/jwx/v2/jws"
+	"github.com/lestrrat-go/jwx/v2/jwt"
+	"github.com/pkg/errors"
+)
+
+type TokenFinderFunc func(r *http.Request) (string, error)
+
+type FindTokenOptions struct {
+	Finders []TokenFinderFunc
+}
+
+type FindTokenOptionFunc func(*FindTokenOptions)
+
+type GetKeySetFunc func() (jwk.Set, error)
+
+func WithFinders(finders ...TokenFinderFunc) FindTokenOptionFunc {
+	return func(opts *FindTokenOptions) {
+		opts.Finders = finders
+	}
+}
+
+func NewFindTokenOptions(funcs ...FindTokenOptionFunc) *FindTokenOptions {
+	opts := &FindTokenOptions{
+		Finders: []TokenFinderFunc{
+			FindTokenFromAuthorizationHeader,
+		},
+	}
+
+	for _, fn := range funcs {
+		fn(opts)
+	}
+
+	return opts
+}
+
+func FindTokenFromAuthorizationHeader(r *http.Request) (string, error) {
+	authorization := r.Header.Get("Authorization")
+
+	// Retrieve token from Authorization header
+	rawToken := strings.TrimPrefix(authorization, "Bearer ")
+
+	return rawToken, nil
+}
+
+func FindTokenFromQueryString(name string) TokenFinderFunc {
+	return func(r *http.Request) (string, error) {
+		return r.URL.Query().Get(name), nil
+	}
+}
+
+func FindTokenFromCookie(cookieName string) TokenFinderFunc {
+	return func(r *http.Request) (string, error) {
+		cookie, err := r.Cookie(cookieName)
+		if err != nil && !errors.Is(err, http.ErrNoCookie) {
+			return "", errors.WithStack(err)
+		}
+
+		if cookie == nil {
+			return "", nil
+		}
+
+		return cookie.Value, nil
+	}
+}
+
+func FindRawToken(r *http.Request, funcs ...FindTokenOptionFunc) (string, error) {
+	opts := NewFindTokenOptions(funcs...)
+
+	var rawToken string
+	var err error
+
+	for _, find := range opts.Finders {
+		rawToken, err = find(r)
+		if err != nil {
+			return "", errors.WithStack(err)
+		}
+
+		if rawToken == "" {
+			continue
+		}
+
+		break
+	}
+
+	if rawToken == "" {
+		return "", errors.WithStack(ErrUnauthenticated)
+	}
+
+	return rawToken, nil
+}
+
+func FindToken(r *http.Request, getKeySet GetKeySetFunc, funcs ...FindTokenOptionFunc) (jwt.Token, error) {
+	rawToken, err := FindRawToken(r, funcs...)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	keySet, err := getKeySet()
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	if keySet == nil {
+		return nil, errors.WithStack(ErrNoKeySet)
+	}
+
+	token, err := jwt.Parse([]byte(rawToken),
+		jwt.WithKeySet(keySet, jws.WithRequireKid(false)),
+		jwt.WithValidate(true),
+	)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return token, nil
+}
diff --git a/pkg/jwtutil/key.go b/pkg/jwtutil/key.go
new file mode 100644
index 0000000..9a23627
--- /dev/null
+++ b/pkg/jwtutil/key.go
@@ -0,0 +1,52 @@
+package jwtutil
+
+import (
+	"github.com/lestrrat-go/jwx/v2/jwa"
+	"github.com/lestrrat-go/jwx/v2/jwk"
+	"github.com/pkg/errors"
+)
+
+func NewKeySet(keys ...jwk.Key) (jwk.Set, error) {
+	set := jwk.NewSet()
+
+	for _, k := range keys {
+		if err := set.AddKey(k); err != nil {
+			return nil, errors.WithStack(err)
+		}
+	}
+
+	return set, nil
+}
+
+func NewSymmetricKey(secret []byte) (jwk.Key, error) {
+	key, err := jwk.FromRaw(secret)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	if err := key.Set(jwk.AlgorithmKey, jwa.HS256); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return key, nil
+}
+
+func NewSymmetricKeySet(secrets ...[]byte) (jwk.Set, error) {
+	keys := make([]jwk.Key, len(secrets))
+
+	for idx, sec := range secrets {
+		key, err := NewSymmetricKey(sec)
+		if err != nil {
+			return nil, errors.WithStack(err)
+		}
+
+		keys[idx] = key
+	}
+
+	keySet, err := NewKeySet(keys...)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return keySet, nil
+}
diff --git a/pkg/jwtutil/rsa.go b/pkg/jwtutil/rsa.go
new file mode 100644
index 0000000..25c951e
--- /dev/null
+++ b/pkg/jwtutil/rsa.go
@@ -0,0 +1,90 @@
+package jwtutil
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/pem"
+	"os"
+
+	"github.com/lestrrat-go/jwx/v2/jwa"
+	"github.com/lestrrat-go/jwx/v2/jwk"
+	"github.com/pkg/errors"
+)
+
+func FromRSA(privateKey *rsa.PrivateKey) (jwk.Key, error) {
+	key, err := jwk.FromRaw(privateKey)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	if err := key.Set(jwk.AlgorithmKey, jwa.RS256); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return key, nil
+}
+
+func LoadOrGenerateRSAKey(path string, size int) (*rsa.PrivateKey, error) {
+	privateKey, err := LoadRSAKey(path)
+	if err != nil {
+		if !errors.Is(err, os.ErrNotExist) {
+			return nil, errors.WithStack(err)
+		}
+
+		privateKey, err = GenerateRSAKey(size)
+		if err != nil {
+			return nil, errors.WithStack(err)
+		}
+
+		if err := SaveRSAKey(path, privateKey); err != nil {
+			return nil, errors.WithStack(err)
+		}
+	}
+
+	return privateKey, nil
+}
+
+func LoadRSAKey(path string) (*rsa.PrivateKey, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	block, _ := pem.Decode(data)
+	if block == nil {
+		return nil, errors.New("failed to parse pem block")
+	}
+
+	privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return privateKey, nil
+}
+
+func SaveRSAKey(path string, privateKey *rsa.PrivateKey) error {
+	data := x509.MarshalPKCS1PrivateKey(privateKey)
+	pem := pem.EncodeToMemory(
+		&pem.Block{
+			Type:  "RSA PRIVATE KEY",
+			Bytes: data,
+		},
+	)
+
+	if err := os.WriteFile(path, pem, os.FileMode(0600)); err != nil {
+		return errors.WithStack(err)
+	}
+
+	return nil
+}
+
+func GenerateRSAKey(size int) (*rsa.PrivateKey, error) {
+	privateKey, err := rsa.GenerateKey(rand.Reader, size)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return privateKey, nil
+}
diff --git a/pkg/module/auth/jwt/jwt.go b/pkg/jwtutil/token.go
similarity index 66%
rename from pkg/module/auth/jwt/jwt.go
rename to pkg/jwtutil/token.go
index 0d128b9..748c186 100644
--- a/pkg/module/auth/jwt/jwt.go
+++ b/pkg/jwtutil/token.go
@@ -1,15 +1,14 @@
-package jwt
+package jwtutil
 
 import (
 	"time"
 
-	"github.com/lestrrat-go/jwx/v2/jwa"
 	"github.com/lestrrat-go/jwx/v2/jwk"
 	"github.com/lestrrat-go/jwx/v2/jwt"
 	"github.com/pkg/errors"
 )
 
-func GenerateSignedToken(algo jwa.KeyAlgorithm, key jwk.Key, claims map[string]any) ([]byte, error) {
+func GenerateSignedToken(key jwk.Key, claims map[string]any) ([]byte, error) {
 	token := jwt.New()
 
 	if err := token.Set(jwt.NotBeforeKey, time.Now()); err != nil {
@@ -22,11 +21,11 @@ func GenerateSignedToken(algo jwa.KeyAlgorithm, key jwk.Key, claims map[string]a
 		}
 	}
 
-	if err := token.Set(jwk.AlgorithmKey, jwa.HS256); err != nil {
+	if err := token.Set(jwk.AlgorithmKey, key.Algorithm()); err != nil {
 		return nil, errors.WithStack(err)
 	}
 
-	rawToken, err := jwt.Sign(token, jwt.WithKey(algo, key))
+	rawToken, err := jwt.Sign(token, jwt.WithKey(key.Algorithm(), key))
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
diff --git a/pkg/module/auth/http/local_handler.go b/pkg/module/auth/http/local_handler.go
index 302da25..d8d494f 100644
--- a/pkg/module/auth/http/local_handler.go
+++ b/pkg/module/auth/http/local_handler.go
@@ -7,11 +7,10 @@ import (
 
 	_ "embed"
 
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"forge.cadoles.com/arcad/edge/pkg/module/auth"
 	"forge.cadoles.com/arcad/edge/pkg/module/auth/http/passwd"
-	"forge.cadoles.com/arcad/edge/pkg/module/auth/jwt"
 	"github.com/go-chi/chi/v5"
-	"github.com/lestrrat-go/jwx/v2/jwa"
 	"github.com/lestrrat-go/jwx/v2/jwk"
 	"github.com/pkg/errors"
 	"gitlab.com/wpetit/goweb/logger"
@@ -32,7 +31,6 @@ func init() {
 
 type LocalHandler struct {
 	router          chi.Router
-	algo            jwa.KeyAlgorithm
 	key             jwk.Key
 	getCookieDomain GetCookieDomainFunc
 	cookieDuration  time.Duration
@@ -113,7 +111,7 @@ func (h *LocalHandler) handleForm(w http.ResponseWriter, r *http.Request) {
 
 	account.Claims[auth.ClaimIssuer] = "local"
 
-	token, err := jwt.GenerateSignedToken(h.algo, h.key, account.Claims)
+	token, err := jwtutil.GenerateSignedToken(h.key, account.Claims)
 	if err != nil {
 		logger.Error(ctx, "could not generate signed token", logger.E(errors.WithStack(err)))
 		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
@@ -182,14 +180,13 @@ func (h *LocalHandler) authenticate(username, password string) (*LocalAccount, e
 	return &account, nil
 }
 
-func NewLocalHandler(algo jwa.KeyAlgorithm, key jwk.Key, funcs ...LocalHandlerOptionFunc) *LocalHandler {
+func NewLocalHandler(key jwk.Key, funcs ...LocalHandlerOptionFunc) *LocalHandler {
 	opts := defaultLocalHandlerOptions()
 	for _, fn := range funcs {
 		fn(opts)
 	}
 
 	handler := &LocalHandler{
-		algo:            algo,
 		key:             key,
 		accounts:        toAccountsMap(opts.Accounts),
 		getCookieDomain: opts.GetCookieDomain,
diff --git a/pkg/module/auth/jwt.go b/pkg/module/auth/jwt.go
deleted file mode 100644
index b96075c..0000000
--- a/pkg/module/auth/jwt.go
+++ /dev/null
@@ -1,118 +0,0 @@
-package auth
-
-import (
-	"context"
-	"net/http"
-	"strings"
-
-	"github.com/lestrrat-go/jwx/v2/jwk"
-	"github.com/lestrrat-go/jwx/v2/jws"
-	"github.com/lestrrat-go/jwx/v2/jwt"
-	"github.com/pkg/errors"
-)
-
-const (
-	CookieName string = "edge-auth"
-)
-
-type GetKeySetFunc func() (jwk.Set, error)
-
-func WithJWT(getKeySet GetKeySetFunc) OptionFunc {
-	return func(o *Option) {
-		o.GetClaims = func(ctx context.Context, r *http.Request, names ...string) ([]string, error) {
-			claim, err := getClaims[string](r, getKeySet, names...)
-			if err != nil {
-				return nil, errors.WithStack(err)
-			}
-
-			return claim, nil
-		}
-	}
-}
-
-func FindRawToken(r *http.Request) (string, error) {
-	authorization := r.Header.Get("Authorization")
-
-	// Retrieve token from Authorization header
-	rawToken := strings.TrimPrefix(authorization, "Bearer ")
-
-	// Retrieve token from ?edge-auth=<value>
-	if rawToken == "" {
-		rawToken = r.URL.Query().Get(CookieName)
-	}
-
-	if rawToken == "" {
-		cookie, err := r.Cookie(CookieName)
-		if err != nil && !errors.Is(err, http.ErrNoCookie) {
-			return "", errors.WithStack(err)
-		}
-
-		if cookie != nil {
-			rawToken = cookie.Value
-		}
-	}
-
-	if rawToken == "" {
-		return "", errors.WithStack(ErrUnauthenticated)
-	}
-
-	return rawToken, nil
-}
-
-func FindToken(r *http.Request, getKeySet GetKeySetFunc) (jwt.Token, error) {
-	rawToken, err := FindRawToken(r)
-	if err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	keySet, err := getKeySet()
-	if err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	if keySet == nil {
-		return nil, errors.New("no keyset")
-	}
-
-	token, err := jwt.Parse([]byte(rawToken),
-		jwt.WithKeySet(keySet, jws.WithRequireKid(false)),
-		jwt.WithValidate(true),
-	)
-	if err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	return token, nil
-}
-
-func getClaims[T any](r *http.Request, getKeySet GetKeySetFunc, names ...string) ([]T, error) {
-	token, err := FindToken(r, getKeySet)
-	if err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	ctx := r.Context()
-
-	mapClaims, err := token.AsMap(ctx)
-	if err != nil {
-		return nil, errors.WithStack(err)
-	}
-
-	claims := make([]T, len(names))
-
-	for idx, n := range names {
-		rawClaim, exists := mapClaims[n]
-		if !exists {
-			continue
-		}
-
-		claim, ok := rawClaim.(T)
-		if !ok {
-			return nil, errors.Errorf("unexpected claim '%s' to be of type '%T', got '%T'", n, new(T), rawClaim)
-		}
-
-		claims[idx] = claim
-	}
-
-	return claims, nil
-}
diff --git a/pkg/module/auth/middleware/anonymous_user.go b/pkg/module/auth/middleware/anonymous_user.go
index c594b9a..65bc383 100644
--- a/pkg/module/auth/middleware/anonymous_user.go
+++ b/pkg/module/auth/middleware/anonymous_user.go
@@ -7,10 +7,9 @@ import (
 	"net/http"
 	"time"
 
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"forge.cadoles.com/arcad/edge/pkg/module/auth"
-	"forge.cadoles.com/arcad/edge/pkg/module/auth/jwt"
 	"github.com/google/uuid"
-	"github.com/lestrrat-go/jwx/v2/jwa"
 	"github.com/lestrrat-go/jwx/v2/jwk"
 	"github.com/pkg/errors"
 	"gitlab.com/wpetit/goweb/logger"
@@ -18,7 +17,7 @@ import (
 
 const AnonIssuer = "anon"
 
-func AnonymousUser(algo jwa.KeyAlgorithm, key jwk.Key, funcs ...AnonymousUserOptionFunc) func(next http.Handler) http.Handler {
+func AnonymousUser(key jwk.Key, funcs ...AnonymousUserOptionFunc) func(next http.Handler) http.Handler {
 	opts := defaultAnonymousUserOptions()
 	for _, fn := range funcs {
 		fn(opts)
@@ -26,7 +25,11 @@ func AnonymousUser(algo jwa.KeyAlgorithm, key jwk.Key, funcs ...AnonymousUserOpt
 
 	return func(next http.Handler) http.Handler {
 		handler := func(w http.ResponseWriter, r *http.Request) {
-			rawToken, err := auth.FindRawToken(r)
+			rawToken, err := jwtutil.FindRawToken(r, jwtutil.WithFinders(
+				jwtutil.FindTokenFromAuthorizationHeader,
+				jwtutil.FindTokenFromQueryString(auth.CookieName),
+				jwtutil.FindTokenFromCookie(auth.CookieName),
+			))
 
 			// If request already has a raw token, we do nothing
 			if rawToken != "" && err == nil {
@@ -62,7 +65,7 @@ func AnonymousUser(algo jwa.KeyAlgorithm, key jwk.Key, funcs ...AnonymousUserOpt
 				auth.ClaimEdgeTenant:        opts.Tenant,
 			}
 
-			token, err := jwt.GenerateSignedToken(algo, key, claims)
+			token, err := jwtutil.GenerateSignedToken(key, claims)
 			if err != nil {
 				logger.Error(ctx, "could not generate signed token", logger.E(errors.WithStack(err)))
 				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
diff --git a/pkg/module/auth/module.go b/pkg/module/auth/module.go
index 495a729..90e2cb8 100644
--- a/pkg/module/auth/module.go
+++ b/pkg/module/auth/module.go
@@ -5,12 +5,17 @@ import (
 
 	"forge.cadoles.com/arcad/edge/pkg/app"
 	edgeHTTP "forge.cadoles.com/arcad/edge/pkg/http"
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"forge.cadoles.com/arcad/edge/pkg/module/util"
 	"github.com/dop251/goja"
 	"github.com/pkg/errors"
 	"gitlab.com/wpetit/goweb/logger"
 )
 
+const (
+	CookieName string = "edge-auth"
+)
+
 const (
 	ClaimSubject           = "sub"
 	ClaimIssuer            = "iss"
@@ -21,8 +26,8 @@ const (
 )
 
 type Module struct {
-	server    *app.Server
-	getClaims GetClaimsFunc
+	server     *app.Server
+	getClaimFn GetClaimFunc
 }
 
 func (m *Module) Name() string {
@@ -68,9 +73,9 @@ func (m *Module) getClaim(call goja.FunctionCall, rt *goja.Runtime) goja.Value {
 		panic(rt.ToValue(errors.New("could not find http request in context")))
 	}
 
-	claim, err := m.getClaims(ctx, req, claimName)
+	claim, err := m.getClaimFn(ctx, req, claimName)
 	if err != nil {
-		if errors.Is(err, ErrUnauthenticated) {
+		if errors.Is(err, jwtutil.ErrUnauthenticated) {
 			return nil
 		}
 
@@ -78,11 +83,7 @@ func (m *Module) getClaim(call goja.FunctionCall, rt *goja.Runtime) goja.Value {
 		return nil
 	}
 
-	if len(claim) == 0 || claim[0] == "" {
-		return nil
-	}
-
-	return rt.ToValue(claim[0])
+	return rt.ToValue(claim)
 }
 
 func ModuleFactory(funcs ...OptionFunc) app.ServerModuleFactory {
@@ -93,8 +94,8 @@ func ModuleFactory(funcs ...OptionFunc) app.ServerModuleFactory {
 
 	return func(server *app.Server) app.ServerModule {
 		return &Module{
-			server:    server,
-			getClaims: opt.GetClaims,
+			server:     server,
+			getClaimFn: opt.GetClaim,
 		}
 	}
 }
diff --git a/pkg/module/auth/module_test.go b/pkg/module/auth/module_test.go
index 17cf933..a7fb233 100644
--- a/pkg/module/auth/module_test.go
+++ b/pkg/module/auth/module_test.go
@@ -10,6 +10,7 @@ import (
 	"cdr.dev/slog"
 	"forge.cadoles.com/arcad/edge/pkg/app"
 	edgeHTTP "forge.cadoles.com/arcad/edge/pkg/http"
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"forge.cadoles.com/arcad/edge/pkg/module"
 	"github.com/lestrrat-go/jwx/v2/jwa"
 	"github.com/lestrrat-go/jwx/v2/jwk"
@@ -130,7 +131,7 @@ func getDummyKey() jwk.Key {
 	return key
 }
 
-func getDummyKeySet(key jwk.Key) GetKeySetFunc {
+func getDummyKeySet(key jwk.Key) jwtutil.GetKeySetFunc {
 	return func() (jwk.Set, error) {
 		set := jwk.NewSet()
 
diff --git a/pkg/module/auth/mount.go b/pkg/module/auth/mount.go
index f193150..ea3cd3a 100644
--- a/pkg/module/auth/mount.go
+++ b/pkg/module/auth/mount.go
@@ -3,6 +3,7 @@ package auth
 import (
 	"net/http"
 
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"github.com/go-chi/chi/v5"
 	"github.com/pkg/errors"
 	"gitlab.com/wpetit/goweb/api"
@@ -12,39 +13,39 @@ import (
 type MountFunc func(r chi.Router)
 
 type Handler struct {
-	getClaims     GetClaimsFunc
+	getClaim      GetClaimFunc
 	profileClaims []string
 }
 
 func (h *Handler) serveProfile(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
 
-	claims, err := h.getClaims(ctx, r, h.profileClaims...)
-	if err != nil {
-		if errors.Is(err, ErrUnauthenticated) {
+	profile := make(map[string]any)
+
+	for _, name := range h.profileClaims {
+		value, err := h.getClaim(ctx, r, name)
+		if err != nil {
+			if errors.Is(err, jwtutil.ErrUnauthenticated) {
+				api.ErrorResponse(
+					w, http.StatusUnauthorized,
+					api.ErrCodeUnauthorized,
+					nil,
+				)
+
+				return
+			}
+
+			logger.Error(ctx, "could not retrieve claims", logger.E(errors.WithStack(err)))
 			api.ErrorResponse(
-				w, http.StatusUnauthorized,
-				api.ErrCodeUnauthorized,
+				w, http.StatusInternalServerError,
+				api.ErrCodeUnknownError,
 				nil,
 			)
 
 			return
 		}
 
-		logger.Error(ctx, "could not retrieve claims", logger.E(errors.WithStack(err)))
-		api.ErrorResponse(
-			w, http.StatusInternalServerError,
-			api.ErrCodeUnknownError,
-			nil,
-		)
-
-		return
-	}
-
-	profile := make(map[string]any)
-
-	for idx, cl := range h.profileClaims {
-		profile[cl] = claims[idx]
+		profile[name] = value
 	}
 
 	api.DataResponse(w, http.StatusOK, struct {
@@ -62,7 +63,7 @@ func Mount(authHandler http.Handler, funcs ...OptionFunc) MountFunc {
 
 	handler := &Handler{
 		profileClaims: opt.ProfileClaims,
-		getClaims:     opt.GetClaims,
+		getClaim:      opt.GetClaim,
 	}
 
 	return func(r chi.Router) {
diff --git a/pkg/module/auth/option.go b/pkg/module/auth/option.go
index a10bbdb..d527290 100644
--- a/pkg/module/auth/option.go
+++ b/pkg/module/auth/option.go
@@ -2,15 +2,17 @@ package auth
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 
+	"forge.cadoles.com/arcad/edge/pkg/jwtutil"
 	"github.com/pkg/errors"
 )
 
-type GetClaimsFunc func(ctx context.Context, r *http.Request, claims ...string) ([]string, error)
+type GetClaimFunc func(ctx context.Context, r *http.Request, name string) (string, error)
 
 type Option struct {
-	GetClaims     GetClaimsFunc
+	GetClaim      GetClaimFunc
 	ProfileClaims []string
 }
 
@@ -18,7 +20,7 @@ type OptionFunc func(*Option)
 
 func defaultOptions() *Option {
 	return &Option{
-		GetClaims: dummyGetClaims,
+		GetClaim: dummyGetClaim,
 		ProfileClaims: []string{
 			ClaimSubject,
 			ClaimIssuer,
@@ -30,13 +32,13 @@ func defaultOptions() *Option {
 	}
 }
 
-func dummyGetClaims(ctx context.Context, r *http.Request, claims ...string) ([]string, error) {
-	return nil, errors.Errorf("dummy getclaim func cannot retrieve claims '%s'", claims)
+func dummyGetClaim(ctx context.Context, r *http.Request, name string) (string, error) {
+	return "", errors.Errorf("dummy getclaim func cannot retrieve claim '%s'", name)
 }
 
-func WithGetClaims(fn GetClaimsFunc) OptionFunc {
+func WithGetClaims(fn GetClaimFunc) OptionFunc {
 	return func(o *Option) {
-		o.GetClaims = fn
+		o.GetClaim = fn
 	}
 }
 
@@ -45,3 +47,34 @@ func WithProfileClaims(claims ...string) OptionFunc {
 		o.ProfileClaims = claims
 	}
 }
+
+func WithJWT(getKeySet jwtutil.GetKeySetFunc) OptionFunc {
+	funcs := []jwtutil.FindTokenOptionFunc{
+		jwtutil.WithFinders(
+			jwtutil.FindTokenFromAuthorizationHeader,
+			jwtutil.FindTokenFromQueryString(CookieName),
+			jwtutil.FindTokenFromCookie(CookieName),
+		),
+	}
+
+	return func(o *Option) {
+		o.GetClaim = func(ctx context.Context, r *http.Request, name string) (string, error) {
+			token, err := jwtutil.FindToken(r, getKeySet, funcs...)
+			if err != nil {
+				return "", errors.WithStack(err)
+			}
+
+			tokenMap, err := token.AsMap(ctx)
+			if err != nil {
+				return "", errors.WithStack(err)
+			}
+
+			value, exists := tokenMap[name]
+			if !exists {
+				return "", nil
+			}
+
+			return fmt.Sprintf("%v", value), nil
+		}
+	}
+}
diff --git a/pkg/storage/driver/rpc/driver.go b/pkg/storage/driver/rpc/driver.go
index fc8d961..b814925 100644
--- a/pkg/storage/driver/rpc/driver.go
+++ b/pkg/storage/driver/rpc/driver.go
@@ -6,11 +6,13 @@ import (
 	"forge.cadoles.com/arcad/edge/pkg/storage"
 	"forge.cadoles.com/arcad/edge/pkg/storage/driver"
 	"forge.cadoles.com/arcad/edge/pkg/storage/driver/rpc/client"
+	"forge.cadoles.com/arcad/edge/pkg/storage/share"
 )
 
 func init() {
 	driver.RegisterDocumentStoreFactory("rpc", documentStoreFactory)
 	driver.RegisterBlobStoreFactory("rpc", blobStoreFactory)
+	driver.RegisterShareStoreFactory("rpc", shareStoreFactory)
 }
 
 func documentStoreFactory(url *url.URL) (storage.DocumentStore, error) {
@@ -20,3 +22,7 @@ func documentStoreFactory(url *url.URL) (storage.DocumentStore, error) {
 func blobStoreFactory(url *url.URL) (storage.BlobStore, error) {
 	return client.NewBlobStore(url), nil
 }
+
+func shareStoreFactory(url *url.URL) (share.Store, error) {
+	return client.NewShareStore(url), nil
+}