cdc-badge-os/api/KeyFingerprint_8h_source.html

#pragma once


#include <stddef.h>

#include <stdint.h>

#include <stdbool.h>


#ifdef __cplusplus

extern "C" {

#endif


#define KEY_FINGERPRINT_WORD_COUNT 5

#define KEY_FINGERPRINT_MAX_LEN 64


// Generate alchemical fingerprint for ECC key slot (0-31)

bool key_fingerprint_generate(uint8_t slot, char* buf, size_t len);


// Generate fingerprint from raw public key

bool key_fingerprint_from_pubkey(const uint8_t* pubkey, size_t pubkey_len,

                                 char* buf, size_t len);


// Lookup word for index (0-31)

const char* key_fingerprint_word(uint8_t index);


#ifdef __cplusplus

}

#endif


key_fingerprint_word
const char * key_fingerprint_word(uint8_t index)
Returns alchemical word for 5-bit index.
Definition KeyFingerprint.cpp:36

key_fingerprint_from_pubkey
bool key_fingerprint_from_pubkey(const uint8_t *pubkey, size_t pubkey_len, char *buf, size_t len)
Generates human-readable fingerprint from public key bytes.
Definition KeyFingerprint.cpp:49

key_fingerprint_generate
bool key_fingerprint_generate(uint8_t slot, char *buf, size_t len)
Reads public key from secure element slot and generates fingerprint.
Definition KeyFingerprint.cpp:83