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Diffstat (limited to 'libcmix-crypto/curve25519/sodium')
-rw-r--r--libcmix-crypto/curve25519/sodium/libsodium_curve25519.c47
1 files changed, 25 insertions, 22 deletions
diff --git a/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c b/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
index e86ec09..06453c5 100644
--- a/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
+++ b/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
@@ -6,23 +6,21 @@
#include <stddef.h>
#include <stdlib.h>
-void init() {
+void curve25519_initialize(void) {
if(sodium_init() == -1) {
exit(-1);
}
}
-void curve25519_keypair_deleter(struct KeyPair p) {
- sodium_free(p.sec);
- free(p.pub);
+void curve25519_keypair_deleter(struct KeyPair* p) {
+ sodium_free(p->sec);
+ free(p->pub);
- p.sec = NULL;
- p.pub = NULL;
+ p->sec = NULL;
+ p->pub = NULL;
}
-struct KeyPair curve25519_create_keypair() {
- init();
-
+struct KeyPair curve25519_create_keypair(void) {
unsigned char* sec = (unsigned char*) sodium_malloc(crypto_box_SECRETKEYBYTES);
unsigned char* pub = (unsigned char*) malloc(crypto_box_PUBLICKEYBYTES);
@@ -32,38 +30,42 @@ struct KeyPair curve25519_create_keypair() {
return (struct KeyPair){
sec,
pub,
- crypto_box_SECRETKEYBYTES,
- crypto_box_PUBLICKEYBYTES
};
}
-void curve25519_shared_key_deleter(struct SharedKey s) {
- sodium_free(s.shared);
+void curve25519_shared_key_deleter(struct SharedKey* s) {
+ sodium_free(s->shared);
+
+ s->shared = NULL;
+}
+
+void curve25519_get_key_array(char** buffer, size_t* len, void* key) {
- s.shared = NULL;
}
-struct SharedKey curve25519_derive_shared_key(struct KeyPair pair, unsigned char const* pub_key, bool swap_pub_order) {
- init();
+void curve25519_add_public_share(char** buffer, size_t* out_len, char const* share, size_t in_len, void* pubkey) {
+}
+
+struct SharedKey curve25519_derive_shared_key(struct KeyPair pair, void const* pub_key, bool swap_pub_order) {
unsigned char* shared = (unsigned char*) sodium_malloc(crypto_generichash_BYTES);
crypto_generichash_state h;
unsigned char* scalarmult_q = (unsigned char*) sodium_malloc(crypto_scalarmult_BYTES);
- if (crypto_scalarmult(scalarmult_q, pair.sec, pub_key) != 0) {
+ if (crypto_scalarmult(scalarmult_q, (unsigned char const*) pair.sec, (unsigned char const*) pub_key) != 0) {
exit(-1);
}
crypto_generichash_init(&h, NULL, 0U, crypto_generichash_BYTES);
crypto_generichash_update(&h, scalarmult_q, crypto_scalarmult_BYTES);
if(swap_pub_order) {
- crypto_generichash_update(&h, pub_key, crypto_box_PUBLICKEYBYTES);
- crypto_generichash_update(&h, pair.pub, crypto_box_PUBLICKEYBYTES);
+ crypto_generichash_update(&h, (unsigned char const*) pub_key, crypto_box_PUBLICKEYBYTES);
+ crypto_generichash_update(&h, (unsigned char const*) pair.pub, crypto_box_PUBLICKEYBYTES);
} else {
- crypto_generichash_update(&h, pair.pub, crypto_box_PUBLICKEYBYTES);
- crypto_generichash_update(&h, pub_key, crypto_box_PUBLICKEYBYTES);
+ crypto_generichash_update(&h, (unsigned char const*) pair.pub, crypto_box_PUBLICKEYBYTES);
+ crypto_generichash_update(&h, (unsigned char const*) pub_key, crypto_box_PUBLICKEYBYTES);
}
crypto_generichash_final(&h, shared, crypto_generichash_BYTES);
@@ -71,7 +73,8 @@ struct SharedKey curve25519_derive_shared_key(struct KeyPair pair, unsigned char
return (struct SharedKey){
shared,
- crypto_generichash_BYTES
};
}
+void curve25519_deinitialize(void) {}
+