Hi , I am trying to understand the SHA1 (asynchronous) driver , I am not really sure regarding below mentioned scenarios,please can some help me with this? #1: When driver needs to use fallback mechanism and how does it work? #2: when do driver needs to use methods like import/export ? BR, Srisowj -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html