diff --git a/src/main.cpp b/src/main.cpp index f022c95d7..605fbe50a 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -911,14 +911,20 @@ void setup() service = new MeshService(); service->init(); - if (nodeDB->keyIsLowEntropy) { - service->reloadConfig(SEGMENT_CONFIG); - rebootAtMsec = (millis() + DEFAULT_REBOOT_SECONDS * 1000); - } - // Now that the mesh service is created, create any modules setupModules(); + // warn the user about a low entropy key + if (nodeDB->keyIsLowEntropy && !nodeDB->hasWarned) { + LOG_WARN(LOW_ENTROPY_WARNING); + meshtastic_ClientNotification *cn = clientNotificationPool.allocZeroed(); + cn->level = meshtastic_LogRecord_Level_WARNING; + cn->time = getValidTime(RTCQualityFromNet); + sprintf(cn->message, LOW_ENTROPY_WARNING); + service->sendClientNotification(cn); + nodeDB->hasWarned = true; + } + // buttons are now inputBroker, so have to come after setupModules #if HAS_BUTTON int pullup_sense = 0; diff --git a/src/mesh/NodeDB.cpp b/src/mesh/NodeDB.cpp index 881dc6ab7..b54cdae86 100644 --- a/src/mesh/NodeDB.cpp +++ b/src/mesh/NodeDB.cpp @@ -264,12 +264,12 @@ NodeDB::NodeDB() if (!owner.is_licensed && config.lora.region != meshtastic_Config_LoRaConfig_RegionCode_UNSET) { bool keygenSuccess = false; - if (config.security.private_key.size == 32) { + keyIsLowEntropy = checkLowEntropyPublicKey(config.security.public_key); + if (config.security.private_key.size == 32 && !keyIsLowEntropy) { if (crypto->regeneratePublicKey(config.security.public_key.bytes, config.security.private_key.bytes)) { keygenSuccess = true; } } else { - LOG_INFO("Generate new PKI keys"); crypto->generateKeyPair(config.security.public_key.bytes, config.security.private_key.bytes); keygenSuccess = true; } @@ -288,16 +288,6 @@ NodeDB::NodeDB() crypto->setDHPrivateKey(config.security.private_key.bytes); } #endif - keyIsLowEntropy = checkLowEntropyPublicKey(config.security.public_key); - if (keyIsLowEntropy) { - LOG_WARN("Erasing low entropy keys"); - config.security.private_key.size = 0; - memfll(config.security.private_key.bytes, '\0', sizeof(config.security.private_key.bytes)); - config.security.public_key.size = 0; - memfll(config.security.public_key.bytes, '\0', sizeof(config.security.public_key.bytes)); - owner.public_key.size = 0; - memfll(owner.public_key.bytes, '\0', sizeof(owner.public_key.bytes)); - } // Include our owner in the node db under our nodenum meshtastic_NodeInfoLite *info = getOrCreateMeshNode(getNodeNum()); info->user = TypeConversions::ConvertToUserLite(owner); @@ -1647,7 +1637,6 @@ bool NodeDB::updateUser(uint32_t nodeId, meshtastic_User &p, uint8_t channelInde "to regenerate your public keys."; LOG_WARN(warning, p.long_name); meshtastic_ClientNotification *cn = clientNotificationPool.allocZeroed(); - cn->which_payload_variant = meshtastic_ClientNotification_duplicated_public_key_tag; cn->level = meshtastic_LogRecord_Level_WARNING; cn->time = getValidTime(RTCQualityFromNet); sprintf(cn->message, warning, p.long_name); @@ -1878,28 +1867,10 @@ bool NodeDB::checkLowEntropyPublicKey(const meshtastic_Config_SecurityConfig_pub uint8_t keyHash[32] = {0}; memcpy(keyHash, keyToTest.bytes, keyToTest.size); crypto->hash(keyHash, 32); - if (memcmp(keyHash, LOW_ENTROPY_HASH1, sizeof(LOW_ENTROPY_HASH1)) == - 0 || // should become an array that gets looped through rather than this abomination - memcmp(keyHash, LOW_ENTROPY_HASH2, sizeof(LOW_ENTROPY_HASH2)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH3, sizeof(LOW_ENTROPY_HASH3)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH4, sizeof(LOW_ENTROPY_HASH4)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH5, sizeof(LOW_ENTROPY_HASH5)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH6, sizeof(LOW_ENTROPY_HASH6)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH7, sizeof(LOW_ENTROPY_HASH7)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH8, sizeof(LOW_ENTROPY_HASH8)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH9, sizeof(LOW_ENTROPY_HASH9)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH10, sizeof(LOW_ENTROPY_HASH10)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH11, sizeof(LOW_ENTROPY_HASH11)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH12, sizeof(LOW_ENTROPY_HASH12)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH13, sizeof(LOW_ENTROPY_HASH13)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH14, sizeof(LOW_ENTROPY_HASH14)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH15, sizeof(LOW_ENTROPY_HASH15)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH16, sizeof(LOW_ENTROPY_HASH16)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH17, sizeof(LOW_ENTROPY_HASH17)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH18, sizeof(LOW_ENTROPY_HASH18)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH19, sizeof(LOW_ENTROPY_HASH19)) == 0 || - memcmp(keyHash, LOW_ENTROPY_HASH20, sizeof(LOW_ENTROPY_HASH20)) == 0) { - return true; + for (int i = 0; i < sizeof(LOW_ENTROPY_HASHES) / sizeof(LOW_ENTROPY_HASHES[0]); i++) { + if (memcmp(keyHash, LOW_ENTROPY_HASHES[i], sizeof(LOW_ENTROPY_HASHES[0])) == 0) { + return true; + } } } return false; diff --git a/src/mesh/NodeDB.h b/src/mesh/NodeDB.h index 19fb67b73..167dc1337 100644 --- a/src/mesh/NodeDB.h +++ b/src/mesh/NodeDB.h @@ -18,68 +18,57 @@ #endif #if !defined(MESHTASTIC_EXCLUDE_PKI) - -static const uint8_t LOW_ENTROPY_HASH1[] = {0xf4, 0x7e, 0xcc, 0x17, 0xe6, 0xb4, 0xa3, 0x22, 0xec, 0xee, 0xd9, - 0x08, 0x4f, 0x39, 0x63, 0xea, 0x80, 0x75, 0xe1, 0x24, 0xce, 0x05, - 0x36, 0x69, 0x63, 0xb2, 0xcb, 0xc0, 0x28, 0xd3, 0x34, 0x8b}; -static const uint8_t LOW_ENTROPY_HASH2[] = {0x5a, 0x9e, 0xa2, 0xa6, 0x8a, 0xa6, 0x66, 0xc1, 0x5f, 0x55, 0x00, - 0x64, 0xa3, 0xa6, 0xfe, 0x71, 0xc0, 0xbb, 0x82, 0xc3, 0x32, 0x3d, - 0x7a, 0x7a, 0xe3, 0x6e, 0xfd, 0xdd, 0xad, 0x3a, 0x66, 0xb9}; -static const uint8_t LOW_ENTROPY_HASH3[] = {0xb3, 0xdf, 0x3b, 0x2e, 0x67, 0xb6, 0xd5, 0xf8, 0xdf, 0x76, 0x2c, - 0x45, 0x5e, 0x2e, 0xbd, 0x16, 0xc5, 0xf8, 0x67, 0xaa, 0x15, 0xf8, - 0x92, 0x0b, 0xdf, 0x5a, 0x66, 0x50, 0xac, 0x0d, 0xbb, 0x2f}; -static const uint8_t LOW_ENTROPY_HASH4[] = {0x3b, 0x8f, 0x86, 0x3a, 0x38, 0x1f, 0x77, 0x39, 0xa9, 0x4e, 0xef, - 0x91, 0x18, 0x5a, 0x62, 0xe1, 0xaa, 0x9d, 0x36, 0xea, 0xce, 0x60, - 0x35, 0x8d, 0x9d, 0x1f, 0xf4, 0xb8, 0xc9, 0x13, 0x6a, 0x5d}; -static const uint8_t LOW_ENTROPY_HASH5[] = {0x36, 0x7e, 0x2d, 0xe1, 0x84, 0x5f, 0x42, 0x52, 0x29, 0x11, 0x0a, - 0x25, 0x64, 0x54, 0x6a, 0x6b, 0xfd, 0xb6, 0x65, 0xff, 0x15, 0x1a, - 0x51, 0x71, 0x22, 0x40, 0x57, 0xf6, 0x91, 0x9b, 0x64, 0x58}; -static const uint8_t LOW_ENTROPY_HASH6[] = {0x16, 0x77, 0xeb, 0xa4, 0x52, 0x91, 0xfb, 0x26, 0xcf, 0x8f, 0xd7, - 0xd9, 0xd1, 0x5d, 0xc4, 0x68, 0x73, 0x75, 0xed, 0xc5, 0x95, 0x58, - 0xee, 0x90, 0x56, 0xd4, 0x2f, 0x31, 0x29, 0xf7, 0x8c, 0x1f}; -static const uint8_t LOW_ENTROPY_HASH7[] = {0x31, 0x8c, 0xa9, 0x5e, 0xed, 0x3c, 0x12, 0xbf, 0x97, 0x9c, 0x47, - 0x8e, 0x98, 0x9d, 0xc2, 0x3e, 0x86, 0x23, 0x90, 0x29, 0xc8, 0xb0, - 0x20, 0xf8, 0xb1, 0xb0, 0xaa, 0x19, 0x2a, 0xcf, 0x0a, 0x54}; -static const uint8_t LOW_ENTROPY_HASH8[] = {0xa4, 0x8a, 0x99, 0x0e, 0x51, 0xdc, 0x12, 0x20, 0xf3, 0x13, 0xf5, - 0x2b, 0x3a, 0xe2, 0x43, 0x42, 0xc6, 0x52, 0x98, 0xcd, 0xbb, 0xca, - 0xb1, 0x31, 0xa0, 0xd4, 0xd6, 0x30, 0xf3, 0x27, 0xfb, 0x49}; -static const uint8_t LOW_ENTROPY_HASH9[] = {0xd2, 0x3f, 0x13, 0x8d, 0x22, 0x04, 0x8d, 0x07, 0x59, 0x58, 0xa0, - 0xf9, 0x55, 0xcf, 0x30, 0xa0, 0x2e, 0x2f, 0xca, 0x80, 0x20, 0xe4, - 0xde, 0xa1, 0xad, 0xd9, 0x58, 0xb3, 0x43, 0x2b, 0x22, 0x70}; -static const uint8_t LOW_ENTROPY_HASH10[] = {0x40, 0x41, 0xec, 0x6a, 0xd2, 0xd6, 0x03, 0xe4, 0x9a, 0x9e, 0xbd, - 0x6c, 0x0a, 0x9b, 0x75, 0xa4, 0xbc, 0xab, 0x6f, 0xa7, 0x95, 0xff, - 0x2d, 0xf6, 0xe9, 0xb9, 0xab, 0x4c, 0x0c, 0x1c, 0xd0, 0x3b}; -static const uint8_t LOW_ENTROPY_HASH11[] = {0x22, 0x49, 0x32, 0x2b, 0x00, 0xf9, 0x22, 0xfa, 0x17, 0x02, 0xe9, - 0x64, 0x82, 0xf0, 0x4d, 0x1b, 0xc7, 0x04, 0xfc, 0xdc, 0x8c, 0x5e, - 0xb6, 0xd9, 0x16, 0xd6, 0x37, 0xce, 0x59, 0xaa, 0x09, 0x49}; -static const uint8_t LOW_ENTROPY_HASH12[] = {0x48, 0x6f, 0x1e, 0x48, 0x97, 0x88, 0x64, 0xac, 0xe8, 0xeb, 0x30, - 0xa3, 0xc3, 0xe1, 0xcf, 0x97, 0x39, 0xa6, 0x55, 0x5b, 0x5f, 0xbf, - 0x18, 0xb7, 0x3a, 0xdf, 0xa8, 0x75, 0xe7, 0x9d, 0xe0, 0x1e}; -static const uint8_t LOW_ENTROPY_HASH13[] = {0x09, 0xb4, 0xe2, 0x6d, 0x28, 0x98, 0xc9, 0x47, 0x66, 0x46, 0xbf, - 0xff, 0x58, 0x17, 0x91, 0xaa, 0xc3, 0xbf, 0x4a, 0x9d, 0x0b, 0x88, - 0xb1, 0xf1, 0x03, 0xdd, 0x61, 0xd7, 0xba, 0x9e, 0x64, 0x98}; -static const uint8_t LOW_ENTROPY_HASH14[] = {0x39, 0x39, 0x84, 0xe0, 0x22, 0x2f, 0x7d, 0x78, 0x45, 0x18, 0x72, - 0xb4, 0x13, 0xd2, 0x01, 0x2f, 0x3c, 0xa1, 0xb0, 0xfe, 0x39, 0xd0, - 0xf1, 0x3c, 0x72, 0xd6, 0xef, 0x54, 0xd5, 0x77, 0x22, 0xa0}; -static const uint8_t LOW_ENTROPY_HASH15[] = {0x0a, 0xda, 0x5f, 0xec, 0xff, 0x5c, 0xc0, 0x2e, 0x5f, 0xc4, 0x8d, - 0x03, 0xe5, 0x80, 0x59, 0xd3, 0x5d, 0x49, 0x86, 0xe9, 0x8d, 0xf6, - 0xf6, 0x16, 0x35, 0x3d, 0xf9, 0x9b, 0x29, 0x55, 0x9e, 0x64}; -static const uint8_t LOW_ENTROPY_HASH16[] = {0x08, 0x56, 0xF0, 0xD7, 0xEF, 0x77, 0xD6, 0x11, 0x1C, 0x8F, 0x95, - 0x2D, 0x3C, 0xDF, 0xB1, 0x22, 0xBF, 0x60, 0x9B, 0xE5, 0xA9, 0xC0, - 0x6E, 0x4B, 0x01, 0xDC, 0xD1, 0x57, 0x44, 0xB2, 0xA5, 0xCF}; -static const uint8_t LOW_ENTROPY_HASH17[] = {0x2C, 0xB2, 0x77, 0x85, 0xD6, 0xB7, 0x48, 0x9C, 0xFE, 0xBC, 0x80, - 0x26, 0x60, 0xF4, 0x6D, 0xCE, 0x11, 0x31, 0xA2, 0x1E, 0x33, 0x0A, - 0x6D, 0x2B, 0x00, 0xFA, 0x0C, 0x90, 0x95, 0x8F, 0x5C, 0x6B}; -static const uint8_t LOW_ENTROPY_HASH18[] = {0xFA, 0x59, 0xC8, 0x6E, 0x94, 0xEE, 0x75, 0xC9, 0x9A, 0xB0, 0xFE, - 0x89, 0x36, 0x40, 0xC9, 0x99, 0x4A, 0x3B, 0xF4, 0xAA, 0x12, 0x24, - 0xA2, 0x0F, 0xF9, 0xD1, 0x08, 0xCB, 0x78, 0x19, 0xAA, 0xE5}; -static const uint8_t LOW_ENTROPY_HASH19[] = {0x6E, 0x42, 0x7A, 0x4A, 0x8C, 0x61, 0x62, 0x22, 0xA1, 0x89, 0xD3, - 0xA4, 0xC2, 0x19, 0xA3, 0x83, 0x53, 0xA7, 0x7A, 0x0A, 0x89, 0xE2, - 0x54, 0x52, 0x62, 0x3D, 0xE7, 0xCA, 0x8C, 0xF6, 0x6A, 0x60}; -static const uint8_t LOW_ENTROPY_HASH20[] = {0x20, 0x27, 0x2F, 0xBA, 0x0C, 0x99, 0xD7, 0x29, 0xF3, 0x11, 0x35, - 0x89, 0x9D, 0x0E, 0x24, 0xA1, 0xC3, 0xCB, 0xDF, 0x8A, 0xF1, 0xC6, - 0xFE, 0xD0, 0xD7, 0x9F, 0x92, 0xD6, 0x8F, 0x59, 0xBF, 0xE4}; -static const char LOW_ENTROPY_WARNING[] = "Compromised keys detected, please regenerate."; +// E3B0C442 is the blank hash +static const uint8_t LOW_ENTROPY_HASHES[][32] = { + {0xf4, 0x7e, 0xcc, 0x17, 0xe6, 0xb4, 0xa3, 0x22, 0xec, 0xee, 0xd9, 0x08, 0x4f, 0x39, 0x63, 0xea, + 0x80, 0x75, 0xe1, 0x24, 0xce, 0x05, 0x36, 0x69, 0x63, 0xb2, 0xcb, 0xc0, 0x28, 0xd3, 0x34, 0x8b}, + {0x5a, 0x9e, 0xa2, 0xa6, 0x8a, 0xa6, 0x66, 0xc1, 0x5f, 0x55, 0x00, 0x64, 0xa3, 0xa6, 0xfe, 0x71, + 0xc0, 0xbb, 0x82, 0xc3, 0x32, 0x3d, 0x7a, 0x7a, 0xe3, 0x6e, 0xfd, 0xdd, 0xad, 0x3a, 0x66, 0xb9}, + {0xb3, 0xdf, 0x3b, 0x2e, 0x67, 0xb6, 0xd5, 0xf8, 0xdf, 0x76, 0x2c, 0x45, 0x5e, 0x2e, 0xbd, 0x16, + 0xc5, 0xf8, 0x67, 0xaa, 0x15, 0xf8, 0x92, 0x0b, 0xdf, 0x5a, 0x66, 0x50, 0xac, 0x0d, 0xbb, 0x2f}, + {0x3b, 0x8f, 0x86, 0x3a, 0x38, 0x1f, 0x77, 0x39, 0xa9, 0x4e, 0xef, 0x91, 0x18, 0x5a, 0x62, 0xe1, + 0xaa, 0x9d, 0x36, 0xea, 0xce, 0x60, 0x35, 0x8d, 0x9d, 0x1f, 0xf4, 0xb8, 0xc9, 0x13, 0x6a, 0x5d}, + {0x36, 0x7e, 0x2d, 0xe1, 0x84, 0x5f, 0x42, 0x52, 0x29, 0x11, 0x0a, 0x25, 0x64, 0x54, 0x6a, 0x6b, + 0xfd, 0xb6, 0x65, 0xff, 0x15, 0x1a, 0x51, 0x71, 0x22, 0x40, 0x57, 0xf6, 0x91, 0x9b, 0x64, 0x58}, + {0x16, 0x77, 0xeb, 0xa4, 0x52, 0x91, 0xfb, 0x26, 0xcf, 0x8f, 0xd7, 0xd9, 0xd1, 0x5d, 0xc4, 0x68, + 0x73, 0x75, 0xed, 0xc5, 0x95, 0x58, 0xee, 0x90, 0x56, 0xd4, 0x2f, 0x31, 0x29, 0xf7, 0x8c, 0x1f}, + {0x31, 0x8c, 0xa9, 0x5e, 0xed, 0x3c, 0x12, 0xbf, 0x97, 0x9c, 0x47, 0x8e, 0x98, 0x9d, 0xc2, 0x3e, + 0x86, 0x23, 0x90, 0x29, 0xc8, 0xb0, 0x20, 0xf8, 0xb1, 0xb0, 0xaa, 0x19, 0x2a, 0xcf, 0x0a, 0x54}, + {0xa4, 0x8a, 0x99, 0x0e, 0x51, 0xdc, 0x12, 0x20, 0xf3, 0x13, 0xf5, 0x2b, 0x3a, 0xe2, 0x43, 0x42, + 0xc6, 0x52, 0x98, 0xcd, 0xbb, 0xca, 0xb1, 0x31, 0xa0, 0xd4, 0xd6, 0x30, 0xf3, 0x27, 0xfb, 0x49}, + {0xd2, 0x3f, 0x13, 0x8d, 0x22, 0x04, 0x8d, 0x07, 0x59, 0x58, 0xa0, 0xf9, 0x55, 0xcf, 0x30, 0xa0, + 0x2e, 0x2f, 0xca, 0x80, 0x20, 0xe4, 0xde, 0xa1, 0xad, 0xd9, 0x58, 0xb3, 0x43, 0x2b, 0x22, 0x70}, + {0x40, 0x41, 0xec, 0x6a, 0xd2, 0xd6, 0x03, 0xe4, 0x9a, 0x9e, 0xbd, 0x6c, 0x0a, 0x9b, 0x75, 0xa4, + 0xbc, 0xab, 0x6f, 0xa7, 0x95, 0xff, 0x2d, 0xf6, 0xe9, 0xb9, 0xab, 0x4c, 0x0c, 0x1c, 0xd0, 0x3b}, + {0x22, 0x49, 0x32, 0x2b, 0x00, 0xf9, 0x22, 0xfa, 0x17, 0x02, 0xe9, 0x64, 0x82, 0xf0, 0x4d, 0x1b, + 0xc7, 0x04, 0xfc, 0xdc, 0x8c, 0x5e, 0xb6, 0xd9, 0x16, 0xd6, 0x37, 0xce, 0x59, 0xaa, 0x09, 0x49}, + {0x48, 0x6f, 0x1e, 0x48, 0x97, 0x88, 0x64, 0xac, 0xe8, 0xeb, 0x30, 0xa3, 0xc3, 0xe1, 0xcf, 0x97, + 0x39, 0xa6, 0x55, 0x5b, 0x5f, 0xbf, 0x18, 0xb7, 0x3a, 0xdf, 0xa8, 0x75, 0xe7, 0x9d, 0xe0, 0x1e}, + {0x09, 0xb4, 0xe2, 0x6d, 0x28, 0x98, 0xc9, 0x47, 0x66, 0x46, 0xbf, 0xff, 0x58, 0x17, 0x91, 0xaa, + 0xc3, 0xbf, 0x4a, 0x9d, 0x0b, 0x88, 0xb1, 0xf1, 0x03, 0xdd, 0x61, 0xd7, 0xba, 0x9e, 0x64, 0x98}, + {0x39, 0x39, 0x84, 0xe0, 0x22, 0x2f, 0x7d, 0x78, 0x45, 0x18, 0x72, 0xb4, 0x13, 0xd2, 0x01, 0x2f, + 0x3c, 0xa1, 0xb0, 0xfe, 0x39, 0xd0, 0xf1, 0x3c, 0x72, 0xd6, 0xef, 0x54, 0xd5, 0x77, 0x22, 0xa0}, + {0x0a, 0xda, 0x5f, 0xec, 0xff, 0x5c, 0xc0, 0x2e, 0x5f, 0xc4, 0x8d, 0x03, 0xe5, 0x80, 0x59, 0xd3, + 0x5d, 0x49, 0x86, 0xe9, 0x8d, 0xf6, 0xf6, 0x16, 0x35, 0x3d, 0xf9, 0x9b, 0x29, 0x55, 0x9e, 0x64}, + {0x08, 0x56, 0xF0, 0xD7, 0xEF, 0x77, 0xD6, 0x11, 0x1C, 0x8F, 0x95, 0x2D, 0x3C, 0xDF, 0xB1, 0x22, + 0xBF, 0x60, 0x9B, 0xE5, 0xA9, 0xC0, 0x6E, 0x4B, 0x01, 0xDC, 0xD1, 0x57, 0x44, 0xB2, 0xA5, 0xCF}, + {0x2C, 0xB2, 0x77, 0x85, 0xD6, 0xB7, 0x48, 0x9C, 0xFE, 0xBC, 0x80, 0x26, 0x60, 0xF4, 0x6D, 0xCE, + 0x11, 0x31, 0xA2, 0x1E, 0x33, 0x0A, 0x6D, 0x2B, 0x00, 0xFA, 0x0C, 0x90, 0x95, 0x8F, 0x5C, 0x6B}, + {0xFA, 0x59, 0xC8, 0x6E, 0x94, 0xEE, 0x75, 0xC9, 0x9A, 0xB0, 0xFE, 0x89, 0x36, 0x40, 0xC9, 0x99, + 0x4A, 0x3B, 0xF4, 0xAA, 0x12, 0x24, 0xA2, 0x0F, 0xF9, 0xD1, 0x08, 0xCB, 0x78, 0x19, 0xAA, 0xE5}, + {0x6E, 0x42, 0x7A, 0x4A, 0x8C, 0x61, 0x62, 0x22, 0xA1, 0x89, 0xD3, 0xA4, 0xC2, 0x19, 0xA3, 0x83, + 0x53, 0xA7, 0x7A, 0x0A, 0x89, 0xE2, 0x54, 0x52, 0x62, 0x3D, 0xE7, 0xCA, 0x8C, 0xF6, 0x6A, 0x60}, + {0x20, 0x27, 0x2F, 0xBA, 0x0C, 0x99, 0xD7, 0x29, 0xF3, 0x11, 0x35, 0x89, 0x9D, 0x0E, 0x24, 0xA1, + 0xC3, 0xCB, 0xDF, 0x8A, 0xF1, 0xC6, 0xFE, 0xD0, 0xD7, 0x9F, 0x92, 0xD6, 0x8F, 0x59, 0xBF, 0xE4}, + {0x91, 0x70, 0xb4, 0x7c, 0xfb, 0xff, 0xa0, 0x59, 0x6a, 0x25, 0x1c, 0xa9, 0x9e, 0xe9, 0x43, 0x81, + 0x5d, 0x74, 0xb1, 0xb1, 0x09, 0x28, 0x00, 0x4a, 0xaf, 0xe3, 0xfc, 0xa9, 0x4e, 0x27, 0x76, 0x4c}, + {0x85, 0xfe, 0x7c, 0xec, 0xb6, 0x78, 0x74, 0xc3, 0xec, 0xe1, 0x32, 0x7f, 0xb0, 0xb7, 0x02, 0x74, + 0xf9, 0x23, 0xd8, 0xe7, 0xfa, 0x14, 0xe6, 0xee, 0x66, 0x44, 0xb1, 0x8c, 0xa5, 0x2f, 0x7e, 0xd2}, + {0x8e, 0x66, 0x65, 0x7b, 0x3b, 0x6f, 0x7e, 0xcc, 0x57, 0xb4, 0x57, 0xea, 0xcc, 0x83, 0xf5, 0xaa, + 0xf7, 0x65, 0xa3, 0xce, 0x93, 0x72, 0x13, 0xc1, 0xb6, 0x46, 0x7b, 0x29, 0x45, 0xb5, 0xc8, 0x93}, + {0xcc, 0x11, 0xfb, 0x1a, 0xab, 0xa1, 0x31, 0x87, 0x6a, 0xc6, 0xde, 0x88, 0x87, 0xa9, 0xb9, 0x59, + 0x37, 0x82, 0x8d, 0xb2, 0xcc, 0xd8, 0x97, 0x40, 0x9a, 0x5c, 0x8f, 0x40, 0x55, 0xcb, 0x4c, 0x3e}}; +static const char LOW_ENTROPY_WARNING[] = "Compromised keys were detected and regenerated."; #endif /* DeviceState versions used to be defined in the .proto file but really only this function cares. So changed to a diff --git a/src/mesh/Router.cpp b/src/mesh/Router.cpp index a7508423a..48205cc0f 100644 --- a/src/mesh/Router.cpp +++ b/src/mesh/Router.cpp @@ -549,20 +549,6 @@ meshtastic_Routing_Error perhapsEncode(meshtastic_MeshPacket *p) numbytes += MESHTASTIC_PKC_OVERHEAD; p->channel = 0; p->pki_encrypted = true; - - // warn the user about a low entropy key - if (nodeDB->keyIsLowEntropy) { - LOG_WARN(LOW_ENTROPY_WARNING); - if (!nodeDB->hasWarned) { - meshtastic_ClientNotification *cn = clientNotificationPool.allocZeroed(); - cn->which_payload_variant = meshtastic_ClientNotification_low_entropy_key_tag; - cn->level = meshtastic_LogRecord_Level_WARNING; - cn->time = getValidTime(RTCQualityFromNet); - sprintf(cn->message, LOW_ENTROPY_WARNING); - service->sendClientNotification(cn); - nodeDB->hasWarned = true; - } - } } else { if (p->pki_encrypted == true) { // Client specifically requested PKI encryption diff --git a/src/modules/AdminModule.cpp b/src/modules/AdminModule.cpp index 1a9c3a7a7..4014e1c36 100644 --- a/src/modules/AdminModule.cpp +++ b/src/modules/AdminModule.cpp @@ -727,7 +727,7 @@ void AdminModule::handleSetConfig(const meshtastic_Config &c) } #endif config.lora = c.payload_variant.lora; - // If we're setting region for the first time, init the region + // If we're setting region for the first time, init the region and regenerate the keys if (isRegionUnset && config.lora.region > meshtastic_Config_LoRaConfig_RegionCode_UNSET) { if (!owner.is_licensed) { bool keygenSuccess = false; @@ -772,8 +772,7 @@ void AdminModule::handleSetConfig(const meshtastic_Config &c) if (config.security.private_key.size != 32) { crypto->generateKeyPair(config.security.public_key.bytes, config.security.private_key.bytes); - } else if (config.security.public_key.size != 32) { - // We check for a potentially valid private key, and a blank public key, and regen the public key if needed. + } else { if (crypto->regeneratePublicKey(config.security.public_key.bytes, config.security.private_key.bytes)) { config.security.public_key.size = 32; } diff --git a/src/modules/Telemetry/Sensor/NAU7802Sensor.cpp b/src/modules/Telemetry/Sensor/NAU7802Sensor.cpp index ef1756b36..b6b5d89f7 100644 --- a/src/modules/Telemetry/Sensor/NAU7802Sensor.cpp +++ b/src/modules/Telemetry/Sensor/NAU7802Sensor.cpp @@ -112,9 +112,8 @@ bool NAU7802Sensor::saveCalibrationData() } else { okay = true; } - spiLock->lock(); + // Note: SafeFile::close() already acquires the lock and releases it internally okay &= file.close(); - spiLock->unlock(); return okay; }