unsigned-ref/reticulum-cpp
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WIP update

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Implemented AES.
Implemented AES-CBC.
Implemented HKDF.
Implemented HMAC.
Implemented PKCS7.
Implemented Fernet.
Added extensive logging and successfully tested ability to encrypt and
decrypt a packet.
This commit is contained in:
attermann 2023-10-08 23:59:43 -06:00
parent 4b062aa485
commit f9e3a22911
28 changed files with 1487 additions and 328 deletions
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42
src/Bytes.cpp
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@ -34,15 +34,19 @@ int8_t Bytes::compare(const Bytes &bytes) const {
else if (*_data < *(bytes._data)) {
return -1;
}
else {
else if (*_data > *(bytes._data)) {
return 1;
}
else {
return 0;
}
}
void Bytes::assignHex(const char* hex) {
// if assignment is empty then clear data and don't bother creating new
if (hex == nullptr || hex[0] == 0) {
_data = nullptr;
_owner = true;
return;
}
newData();
@ -66,8 +70,21 @@ void Bytes::appendHex(const char* hex) {
}
}
char const hex_upper_chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
char const hex_lower_chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
const char hex_upper_chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
const char hex_lower_chars[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
std::string RNS::hexFromByte(uint8_t byte, bool upper /*= true*/) {
std::string hex;
if (upper) {
hex += hex_upper_chars[ (byte & 0xF0) >> 4];
hex += hex_upper_chars[ (byte & 0x0F) >> 0];
}
else {
hex += hex_lower_chars[ (byte & 0xF0) >> 4];
hex += hex_lower_chars[ (byte & 0x0F) >> 0];
}
return hex;
}
std::string Bytes::toHex(bool upper /*= true*/) const {
if (!_data) {
@ -87,12 +104,21 @@ std::string Bytes::toHex(bool upper /*= true*/) const {
return hex;
}
Bytes Bytes::mid(size_t pos, size_t len) const {
if (!_data || pos >= size()) {
// mid
Bytes Bytes::mid(size_t beginpos, size_t len) const {
if (!_data || beginpos >= size()) {
return NONE;
}
if ((pos + len) >= size()) {
len = (size() - pos);
if ((beginpos + len) >= size()) {
len = (size() - beginpos);
}
return {data() + pos, len};
return {data() + beginpos, len};
}
// to end
Bytes Bytes::mid(size_t beginpos) const {
if (!_data || beginpos >= size()) {
return NONE;
}
return {data() + beginpos, size() - beginpos};
}