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Diffstat (limited to 'libs/libaxolotl/src/key_helper.c')
-rw-r--r--libs/libaxolotl/src/key_helper.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/libs/libaxolotl/src/key_helper.c b/libs/libaxolotl/src/key_helper.c
deleted file mode 100644
index e2de8d48fe..0000000000
--- a/libs/libaxolotl/src/key_helper.c
+++ /dev/null
@@ -1,307 +0,0 @@
-#include "key_helper.h"
-
-#include <assert.h>
-
-#include "session_pre_key.h"
-#include "ratchet.h"
-#include "curve.h"
-#include "signal_protocol_internal.h"
-#include "utlist.h"
-
-struct signal_protocol_key_helper_pre_key_list_node
-{
- session_pre_key *element;
- struct signal_protocol_key_helper_pre_key_list_node *next;
-};
-
-int signal_protocol_key_helper_generate_identity_key_pair(ratchet_identity_key_pair **key_pair, signal_context *global_context)
-{
- int result = 0;
- ratchet_identity_key_pair *result_pair = 0;
- ec_key_pair *ec_pair = 0;
- ec_public_key *public_key = 0;
- ec_private_key *private_key = 0;
-
- assert(global_context);
-
- result = curve_generate_key_pair(global_context, &ec_pair);
- if(result < 0) {
- goto complete;
- }
-
- public_key = ec_key_pair_get_public(ec_pair);
- private_key = ec_key_pair_get_private(ec_pair);
-
- result = ratchet_identity_key_pair_create(
- &result_pair, public_key, private_key);
-
-complete:
- if(result >= 0) {
- *key_pair = result_pair;
- }
- SIGNAL_UNREF(ec_pair);
- return result;
-}
-
-int signal_protocol_key_helper_generate_registration_id(uint32_t *registration_id, int extended_range, signal_context *global_context)
-{
- uint32_t range;
- uint32_t id_value;
- int result = 0;
-
- assert(global_context);
- assert(global_context->crypto_provider.random_func);
-
- if(extended_range == 0) {
- range = 16380;
- }
- else if(extended_range == 1) {
- range = INT32_MAX - 1;
- }
- else {
- return SG_ERR_INVAL;
- }
-
- result = global_context->crypto_provider.random_func(
- (uint8_t *)(&id_value), sizeof(id_value),
- global_context->crypto_provider.user_data);
- if(result < 0) {
- return result;
- }
-
- id_value = (id_value % range) + 1;
-
- *registration_id = id_value;
-
- return 0;
-}
-
-int signal_protocol_key_helper_get_random_sequence(int *value, int max, signal_context *global_context)
-{
- int result = 0;
- int32_t result_value;
-
- assert(global_context);
- assert(global_context->crypto_provider.random_func);
-
- result = global_context->crypto_provider.random_func(
- (uint8_t *)(&result_value), sizeof(result_value),
- global_context->crypto_provider.user_data);
- if(result < 0) {
- return result;
- }
-
- result_value = ((result_value & 0x7FFFFFFF) % max);
-
- *value = result_value;
-
- return 0;
-}
-
-int signal_protocol_key_helper_generate_pre_keys(signal_protocol_key_helper_pre_key_list_node **head,
- unsigned int start, unsigned int count,
- signal_context *global_context)
-{
- int result = 0;
- ec_key_pair *ec_pair = 0;
- session_pre_key *pre_key = 0;
- signal_protocol_key_helper_pre_key_list_node *result_head = 0;
- signal_protocol_key_helper_pre_key_list_node *cur_node = 0;
- signal_protocol_key_helper_pre_key_list_node *node = 0;
- unsigned int start_index = start - 1;
- unsigned int i;
-
- assert(global_context);
-
- for(i = 0; i < count; i++) {
- uint32_t id = 0;
- result = curve_generate_key_pair(global_context, &ec_pair);
- if(result < 0) {
- goto complete;
- }
-
- id = ((start_index + i) % (PRE_KEY_MEDIUM_MAX_VALUE - 1)) + 1;
-
- result = session_pre_key_create(&pre_key, id, ec_pair);
- if(result < 0) {
- goto complete;
- }
-
- SIGNAL_UNREF(ec_pair);
- ec_pair = 0;
-
- node = malloc(sizeof(signal_protocol_key_helper_pre_key_list_node));
- if(!node) {
- result = SG_ERR_NOMEM;
- goto complete;
- }
- node->element = pre_key;
- node->next = 0;
- if(!result_head) {
- result_head = node;
- cur_node = node;
- }
- else {
- cur_node->next = node;
- cur_node = node;
- }
- pre_key = 0;
- node = 0;
- }
-
-complete:
- if(ec_pair) {
- SIGNAL_UNREF(ec_pair);
- }
- if(pre_key) {
- SIGNAL_UNREF(pre_key);
- }
- if(node) {
- free(node);
- }
- if(result < 0) {
- if(result_head) {
- signal_protocol_key_helper_pre_key_list_node *tmp_node;
- LL_FOREACH_SAFE(result_head, cur_node, tmp_node) {
- LL_DELETE(result_head, cur_node);
- SIGNAL_UNREF(cur_node->element);
- free(cur_node);
- }
- }
- }
- else {
- *head = result_head;
- }
- return result;
-}
-
-session_pre_key *signal_protocol_key_helper_key_list_element(const signal_protocol_key_helper_pre_key_list_node *node)
-{
- assert(node);
- assert(node->element);
- return node->element;
-}
-
-signal_protocol_key_helper_pre_key_list_node *signal_protocol_key_helper_key_list_next(const signal_protocol_key_helper_pre_key_list_node *node)
-{
- assert(node);
- return node->next;
-}
-
-void signal_protocol_key_helper_key_list_free(signal_protocol_key_helper_pre_key_list_node *head)
-{
- if(head) {
- signal_protocol_key_helper_pre_key_list_node *cur_node;
- signal_protocol_key_helper_pre_key_list_node *tmp_node;
- LL_FOREACH_SAFE(head, cur_node, tmp_node) {
- LL_DELETE(head, cur_node);
- SIGNAL_UNREF(cur_node->element);
- free(cur_node);
- }
- }
-}
-
-int signal_protocol_key_helper_generate_signed_pre_key(session_signed_pre_key **signed_pre_key,
- const ratchet_identity_key_pair *identity_key_pair,
- uint32_t signed_pre_key_id,
- uint64_t timestamp,
- signal_context *global_context)
-{
- int result = 0;
- session_signed_pre_key *result_signed_pre_key = 0;
- ec_key_pair *ec_pair = 0;
- signal_buffer *public_buf = 0;
- signal_buffer *signature_buf = 0;
- ec_public_key *public_key = 0;
- ec_private_key *private_key = 0;
-
- assert(global_context);
-
- result = curve_generate_key_pair(global_context, &ec_pair);
- if(result < 0) {
- goto complete;
- }
-
- public_key = ec_key_pair_get_public(ec_pair);
- result = ec_public_key_serialize(&public_buf, public_key);
- if(result < 0) {
- goto complete;
- }
-
- private_key = ratchet_identity_key_pair_get_private(identity_key_pair);
-
- result = curve_calculate_signature(global_context,
- &signature_buf,
- private_key,
- signal_buffer_data(public_buf),
- signal_buffer_len(public_buf));
- if(result < 0) {
- goto complete;
- }
-
- result = session_signed_pre_key_create(&result_signed_pre_key,
- signed_pre_key_id, timestamp, ec_pair,
- signal_buffer_data(signature_buf),
- signal_buffer_len(signature_buf));
-
-complete:
- SIGNAL_UNREF(ec_pair);
- signal_buffer_free(public_buf);
- signal_buffer_free(signature_buf);
- if(result >= 0) {
- *signed_pre_key = result_signed_pre_key;
- }
- return result;
-}
-
-int signal_protocol_key_helper_generate_sender_signing_key(ec_key_pair **key_pair, signal_context *global_context)
-{
- int result;
-
- assert(global_context);
-
- result = curve_generate_key_pair(global_context, key_pair);
-
- return result;
-}
-
-int signal_protocol_key_helper_generate_sender_key(signal_buffer **key_buffer, signal_context *global_context)
-{
- int result = 0;
- signal_buffer *result_buffer = 0;
-
- assert(global_context);
-
- result_buffer = signal_buffer_alloc(32);
- if(!result_buffer) {
- result = SG_ERR_NOMEM;
- goto complete;
- }
-
- result = signal_crypto_random(global_context,
- signal_buffer_data(result_buffer),
- signal_buffer_len(result_buffer));
-
-complete:
- if(result < 0) {
- signal_buffer_free(result_buffer);
- }
- else {
- *key_buffer = result_buffer;
- result = 0;
- }
- return result;
-}
-
-int signal_protocol_key_helper_generate_sender_key_id(uint32_t *key_id, signal_context *global_context)
-{
- int result;
- int value;
-
- result = signal_protocol_key_helper_get_random_sequence(&value, INT32_MAX, global_context);
-
- if(result >= 0) {
- *key_id = (uint32_t)value;
- }
- return result;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 21:39:18 +0000