Am Montag, 16. Mai 2016, 17:24:12 schrieb Gadre Nayan: Hi Gadre, > Hi, > > I am able to encrypt data using the asynchronous kernel crypto API's. > I can observe the encrypted data on the protocol analyzer. > > I wanted to decry-pt the data now on the receiver side, So I have > following questions. > > 1. What is the best place to decrypt the data, in kernel space (module > (pre-routing hook) or driver) OR user space using (maybe using raw > sockets or after socket recv). This is a very broad question and cannot be answered without knowning the context. > > What precautions should be taken in terms of locking while using > crypto api's in kernel space in RX path (Softirq context) --> Can > someone point to existing sample in kernel where decryption is done in > RX path. net/ipv4/esp4.c:esp_input for rx and esp_output for tx. > > > 2. If I encrypt data in kernel space can I decrypt it in User-space > using same encryption methods and Keys. Sure, if you have the keys and all information about the used crypto. > > Thanks. > -- > 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 Ciao Stephan -- 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
