fix compatibility with jwx 1.1.0 (#55)

go.mod

@@ -4,5 +4,6 @@ go 1.15
 
 require (
 	github.com/go-chi/chi v1.5.1
-	github.com/lestrrat-go/jwx v1.0.6-0.20201127121120-26218808f029
+	github.com/lestrrat-go/jwx v1.1.0
+	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
 )

go.sum

@@ -1,39 +1,57 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-chi/chi v1.5.1 h1:kfTK3Cxd/dkMu/rKs5ZceWYp+t5CtiE7vmaTv3LjC6w=
 github.com/go-chi/chi v1.5.1/go.mod h1:REp24E+25iKvxgeTfHmdUoL5x15kBiDBlnIl5bCwe2k=
-github.com/lestrrat-go/iter v0.0.0-20200422075355-fc1769541911 h1:FvnrqecqX4zT0wOIbYK1gNgTm0677INEWiFY8UEYggY=
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-github.com/lestrrat-go/jwx v1.0.6-0.20201127121120-26218808f029/go.mod h1:TPF17WiSFegZo+c20fdpw49QD+/7n4/IsGvEmCSWwT0=
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jwtauth.go

@@ -1,7 +1,6 @@
 package jwtauth
 
 import (
-	"bytes"
 	"context"
 	"errors"
 	"net/http"
@@ -139,7 +138,7 @@ func (ja *JWTAuth) sign(token jwt.Token) ([]byte, error) {
 }
 
 func (ja *JWTAuth) parse(payload []byte) (jwt.Token, error) {
-	return jwt.Parse(bytes.NewReader(payload), ja.verifier)
+	return jwt.Parse(payload, ja.verifier)
 }
 
 // ErrorReason will normalize the error message from the underlining