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@ -10,25 +10,14 @@
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#include "extract_keys.h"
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#define KEY_SIZE 16
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#ifndef PROTOBUF_BLOCK_SIZE
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#define PROTOBUF_BLOCK_SIZE 0
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#endif
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// #define EXPORT_BUFFER_SIZE 100000
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void process_key(TemporaryExposureKey* key) {
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// if (key) {
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// if (key->has_key_data) {
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// int len = (key->key_data.len) + 1;
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// char data[len + 1];
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// memcpy(data, key->key_data.data, len - 1);
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// data[len] = 0;
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// }
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// }
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// TODO: Implement
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}
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size_t generate_keys(uint8_t** buffer_pointer, int num_keys) {
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TemporaryExposureKeyExport export = TEMPORARY_EXPOSURE_KEY_EXPORT__INIT;
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// temporary_exposure_key_export__init(&export);
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TemporaryExposureKey** key_ptrs = (TemporaryExposureKey**)k_malloc(sizeof(TemporaryExposureKey*) * num_keys);
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if (key_ptrs == NULL) {
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printk("Could not allocate memory for pointers\n");
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@ -36,13 +25,13 @@ size_t generate_keys(uint8_t** buffer_pointer, int num_keys) {
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}
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export.batch_num = 1;
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export.batch_size = 1;
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// TemporaryExposureKey* key_ptrs[num_keys];
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uint8_t key_data[KEY_SIZE];
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for (int i = 0; i < KEY_SIZE; i++) {
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key_data[i] = 0xFF;
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}
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TemporaryExposureKey key = TEMPORARY_EXPOSURE_KEY__INIT;
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// temporary_exposure_key__init(&key);
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key.key_data.data = key_data;
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key.key_data.len = KEY_SIZE;
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key.has_key_data = true;
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@ -77,7 +66,6 @@ int unpack_keys(uint8_t* buf, size_t buf_size) {
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return -2;
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}
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printk("Num keys %d\n", export->n_keys);
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// Iterate over new keys
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for (int i = 0; i < export->n_keys; i++) {
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TemporaryExposureKey* key = export->keys[i];
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@ -3,12 +3,39 @@
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#include "export.pb-c.h"
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void process_key(TemporaryExposureKey*);
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/**
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* @brief Process a key. This function could trigger the comparision between the key and those registered by the ENS.
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*
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* @param key A pointer to the Exposure key data structure
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*/
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void process_key(TemporaryExposureKey* key);
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size_t generate_keys(uint8_t**, int);
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/**
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* @brief Generates a protocol buffer containing dummy keys.
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*
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* @param buffer_pointer A pointer to the pointer which will be used to reference the buffer externally. This will be
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* set to the memory area allocated to store the protocol buffer.
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* @param num_keys The number of keys that will be generated
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* @return size_t The size of the protocol buffer
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*/
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size_t generate_keys(uint8_t** buffer_pointer, int num_keys);
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int unpack_keys(uint8_t*, size_t) ;
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/**
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* @brief Unpacks the protocol buffer and iterates the `process_key` function over all keys.
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*
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* @param buf a pointer to the buffer
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* @param buf_size the size of the buffer in bytes
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* @return int
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*/
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int unpack_keys(uint8_t* buf, size_t buf_size);
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int test_unpacking(int);
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/**
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* @brief Generates an protocol buffer with a specified number of keys and measures the time to execute `unpack_keys`,
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* which unpacks the protocol buffer and iterates `process_key` over the keys.
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*
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* @param num_keys the number of keys that will be created
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* @return int
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*/
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int test_unpacking(int num_keys);
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#endif
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