/* RANDOMSRC interface */
-/* Return some random data. Returns TRUE for success. */
-typedef bool_t random_fn(void *st, int32_t bytes, uint8_t *buff);
+/* Return some random data. Cannot fail. */
+typedef void random_fn(void *st, int32_t bytes, uint8_t *buff);
struct random_if {
void *st;
transform_apply_ok = 0, /* all is well (everyone may assume==0) */
transform_apply_err = 1, /* any other problem */
transform_apply_seqrange = 2,
- /* message decrypted but sequence number was out of range */
+ /* message decrypted but sequence number was out of recent range */
+ transform_apply_seqdupe = 3,
+ /* message decrypted but was dupe of recent packet */
} transform_apply_return;
+static inline bool_t
+transform_apply_return_badseq(transform_apply_return problem) {
+ return problem == transform_apply_seqrange ||
+ problem == transform_apply_seqdupe;
+}
+
typedef transform_apply_return transform_apply_fn(void *st,
struct buffer_if *buf, const char **errmsg);
struct transform_if {
void *st;
- int capab_transformnum;
+ int capab_bit;
int32_t keylen; /* <<< INT_MAX */
transform_createinstance_fn *create;
};