50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
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#include "StarCurve25519.hpp"
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#include "StarRandom.hpp"
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#include "StarLogging.hpp"
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#include "curve25519/include/curve25519_dh.h"
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#include "curve25519/include/ed25519_signature.h"
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namespace Star::Curve25519 {
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struct KeySet {
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PrivateKey privateKey;
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PublicKey publicKey;
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KeySet() {
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SecretKey secret;
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Random::randBytes(SecretKeySize).copyTo((char*)secret.data());
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secret[0] &= 248;
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secret[31] &= 127;
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secret[31] |= 64;
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ed25519_CreateKeyPair(privateKey.data(), publicKey.data(), nullptr, secret.data());
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Logger::info("Generated Curve25519 key-pair");
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}
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};
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static KeySet const& staticKeys() {
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static KeySet keys;
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return keys;
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}
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PrivateKey const& privateKey() { return staticKeys().privateKey; }
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Signature sign(void* data, size_t len) {
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Signature signature;
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ed25519_SignMessage(signature.data(), privateKey().data(), nullptr, (unsigned char*)data, len);
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return signature;
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}
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bool verify(uint8_t const* signature, uint8_t const* publicKey, void* data, size_t len) {
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return ed25519_VerifySignature(signature, publicKey, (unsigned char*)data, len);
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}
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PublicKey const& publicKey() { return staticKeys().publicKey; }
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}
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