cryptoutils.h File Reference

#include "e2ee_common.h"
#include <expected>

Include dependency graph for cryptoutils.h:

Go to the source code of this file.

Namespaces
namespace	Quotient

Typedefs
using	Quotient::SslErrorCode = unsigned long
template<typename T >
using	Quotient::SslExpected = std::expected< T, SslErrorCode >

Enumerations
enum	Quotient::SslErrorCodes : SslErrorCode { Quotient::SslErrorUserOffset = 128 , Quotient::WrongDerivedKeyLength = SslErrorUserOffset + 1 , Quotient::SslPayloadTooLong = SslErrorUserOffset + 2 }

Functions
QByteArray	Quotient::zeroedByteArray (QByteArray::size_type n=32)
template<size_t N = std::dynamic_extent>
auto	Quotient::asWritableCBytes (auto &buf)
	Obtain a std::span<byte_t, N> looking into the passed buffer.
QUOTIENT_API SslExpected< QByteArray >	Quotient::aesCtr256Decrypt (const QByteArray &ciphertext, byte_view_t< Aes256KeySize > key, byte_view_t< AesBlockSize > iv)
	Decrypt data using AES-CTR-256.

Variables
constexpr auto	Quotient::Aes256KeySize = 32u
constexpr auto	Quotient::AesBlockSize = 16u
constexpr auto	Quotient::HmacKeySize = 32u