claims *jwt.MapClaims
		)

		if cred.IsServiceAccount() {
			claims, err = getClaimsFromTokenWithSecret(cred.SessionToken, cred.SecretKey)
		} else if cred.IsTemp() {
			var secretKey string
			secretKey, err = getTokenSigningKey()
			if err != nil {
				continue
			}
			claims, err = getClaimsFromTokenWithSecret(cred.SessionToken, secretKey)
		}

		if err != nil {
			continue
		}