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transform: Pass a direction flag to the transform
[secnet.git]
/
secnet.h
diff --git
a/secnet.h
b/secnet.h
index 037ef804aec8f42e38355265be9508400251a16d..5e66a175348c9bf6ccc84969a4e1a1632bd1d0ec 100644
(file)
--- a/
secnet.h
+++ b/
secnet.h
@@
-217,7
+217,7
@@
extern init_module random_module;
extern init_module udp_module;
extern init_module util_module;
extern init_module site_module;
extern init_module udp_module;
extern init_module util_module;
extern init_module site_module;
-extern init_module transform_module;
+extern init_module transform_
cbcmac_
module;
extern init_module netlink_module;
extern init_module rsa_module;
extern init_module dh_module;
extern init_module netlink_module;
extern init_module rsa_module;
extern init_module dh_module;
@@
-368,10
+368,13
@@
struct site_if {
also depend on internal factors (eg. time) and keep internal
state. A struct transform_if only represents a particular type of
transformation; instances of the transformation (eg. with
also depend on internal factors (eg. time) and keep internal
state. A struct transform_if only represents a particular type of
transformation; instances of the transformation (eg. with
- particular key material) have a different C type. */
+ particular key material) have a different C type. The same
+ secret key will be used in opposite directions between a pair of
+ secnets; one of these pairs will get direction==False, the other True. */
typedef struct transform_inst_if *transform_createinstance_fn(void *st);
typedef struct transform_inst_if *transform_createinstance_fn(void *st);
-typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen);
+typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen,
+ bool_t direction);
typedef bool_t transform_valid_fn(void *st); /* 0: no key; 1: ok */
typedef void transform_delkey_fn(void *st);
typedef void transform_destroyinstance_fn(void *st);
typedef bool_t transform_valid_fn(void *st); /* 0: no key; 1: ok */
typedef void transform_delkey_fn(void *st);
typedef void transform_destroyinstance_fn(void *st);
@@
-397,7
+400,7
@@
struct transform_if {
void *st;
int32_t max_start_pad; /* these three are all <<< INT_MAX */
int32_t max_end_pad;
void *st;
int32_t max_start_pad; /* these three are all <<< INT_MAX */
int32_t max_end_pad;
- int32_t keylen;
+ int32_t keylen;
/* 0 means give the transform exactly as much as there is */
transform_createinstance_fn *create;
};
transform_createinstance_fn *create;
};
@@
-444,6
+447,7
@@
typedef void dh_makeshared_fn(void *st, uint8_t *secret,
struct dh_if {
void *st;
int32_t len; /* Approximate size of modulus in bytes */
struct dh_if {
void *st;
int32_t len; /* Approximate size of modulus in bytes */
+ int32_t ceil_len; /* Number of bytes just sufficient to contain modulus */
dh_makepublic_fn *makepublic;
dh_makeshared_fn *makeshared;
};
dh_makepublic_fn *makepublic;
dh_makeshared_fn *makeshared;
};