lc_ctx_getkey3
Set librecast channel encoding options
Usage
#include <librecast/net.h>
int lc_ctx_getkey(lc_ctx_t *ctx, lc_key_t *key, int type); int lc_ctx_setkey(lc_ctx_t *ctx, lc_key_t *key, int type); int lc_channel_getkey(lc_channel_t *chan, lc_key_t *key, int type); int lc_channel_setkey(lc_channel_t *chan, lc_key_t *key, int type);
Compile and link with -llibrecast.
Library
Librecast library (liblibrecast, -llibrecast)
Overview
These functions get or set keys for a Librecast context ctx or channel chan.
isapointertoanlc_key_tstructure. The set functions will use this to set the key on the context or channel, and the set functions will return a copy of the current key in this structure.
The type argument must be one of the following options:
|
Symmetric key. |
|---|---|
|
Public key. |
Return value
These functions return zero on success. On error, -1 is returned and errno is set to indicate the error.
Errors
- EINVAL
-
Invalid argument.