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Scott Powell 2025-01-13 14:07:48 +11:00
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src/Identity.cpp Normal file
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#include "Identity.h"
#include <string.h>
#define ED25519_NO_SEED 1
#include <ed_25519.h>
namespace mesh {
Identity::Identity() {
memset(pub_key, 0, sizeof(pub_key));
}
Identity::Identity(const char* pub_hex) {
Utils::fromHex(pub_key, PUB_KEY_SIZE, pub_hex);
}
bool Identity::verify(const uint8_t* sig, const uint8_t* message, int msg_len) const {
return ed25519_verify(sig, message, msg_len, pub_key);
}
bool Identity::readFrom(Stream& s) {
return (s.readBytes(pub_key, PUB_KEY_SIZE) == PUB_KEY_SIZE);
}
bool Identity::writeTo(Stream& s) const {
return (s.write(pub_key, PUB_KEY_SIZE) == PUB_KEY_SIZE);
}
void Identity::printTo(Stream& s) const {
Utils::printHex(s, pub_key, PUB_KEY_SIZE);
}
LocalIdentity::LocalIdentity() {
memset(prv_key, 0, sizeof(prv_key));
}
LocalIdentity::LocalIdentity(const char* prv_hex, const char* pub_hex) : Identity(pub_hex) {
Utils::fromHex(prv_key, PRV_KEY_SIZE, prv_hex);
}
LocalIdentity::LocalIdentity(RNG* rng) {
uint8_t seed[SEED_SIZE];
rng->random(seed, SEED_SIZE);
ed25519_create_keypair(pub_key, prv_key, seed);
}
bool LocalIdentity::readFrom(Stream& s) {
bool success = (s.readBytes(pub_key, PUB_KEY_SIZE) == PUB_KEY_SIZE);
success = success && (s.readBytes(prv_key, PRV_KEY_SIZE) == PRV_KEY_SIZE);
return success;
}
bool LocalIdentity::writeTo(Stream& s) const {
bool success = (s.write(pub_key, PUB_KEY_SIZE) == PUB_KEY_SIZE);
success = success && (s.write(prv_key, PRV_KEY_SIZE) == PRV_KEY_SIZE);
return success;
}
void LocalIdentity::printTo(Stream& s) const {
s.print("pub_key: "); Utils::printHex(s, pub_key, PUB_KEY_SIZE); s.println();
s.print("prv_key: "); Utils::printHex(s, prv_key, PRV_KEY_SIZE); s.println();
}
void LocalIdentity::sign(uint8_t* sig, const uint8_t* message, int msg_len) const {
ed25519_sign(sig, message, msg_len, pub_key, prv_key);
}
void LocalIdentity::calcSharedSecret(uint8_t* secret, const Identity& other) {
ed25519_key_exchange(secret, other.pub_key, prv_key);
}
}