package main import ( "time" jwt "github.com/golang-jwt/jwt/v4" ) func bad() (interface{}, error) { mySigningKey := []byte("AllYourBase") claims := &jwt.RegisteredClaims{ ExpiresAt: jwt.NewNumericDate(time.Unix(1516239022, 0)), Issuer: "test", } token := jwt.NewWithClaims(nil, claims) return token.SignedString(mySigningKey) }