Acore::Crypto Namespace Reference

Classes
class	AES
class	ARC4
struct	Argon2
struct	Constants
class	SRP6
struct	TOTP

Typedefs
using	MD5 = Acore::Impl::GenericHash< EVP_md5, Constants::MD5_DIGEST_LENGTH_BYTES >
using	SHA1 = Acore::Impl::GenericHash< EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES >
using	SHA256 = Acore::Impl::GenericHash< EVP_sha256, Constants::SHA256_DIGEST_LENGTH_BYTES >
using	HMAC_SHA1 = Acore::Impl::GenericHMAC< EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES >
using	HMAC_SHA256 = Acore::Impl::GenericHMAC< EVP_sha256, Constants::SHA256_DIGEST_LENGTH_BYTES >

Functions
template<typename Cipher >
void	AEEncryptWithRandomIV (std::vector< uint8 > &data, typename Cipher::Key const &key)
template<typename Cipher >
void	AEEncryptWithRandomIV (std::vector< uint8 > &data, BigNumber const &key)
template<typename Cipher >
bool	AEDecrypt (std::vector< uint8 > &data, typename Cipher::Key const &key)
template<typename Cipher >
bool	AEDecrypt (std::vector< uint8 > &data, BigNumber const &key)
AC_COMMON_API void	GetRandomBytes (uint8 *buf, std::size_t len)
template<typename Container >
void	GetRandomBytes (Container &c)
template<std::size_t S>
std::array< uint8, S >	GetRandomBytes ()

Typedef Documentation

HMAC_SHA1

using Acore::Crypto::HMAC_SHA1 = typedef Acore::Impl::GenericHMAC<EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES>

HMAC_SHA256

using Acore::Crypto::HMAC_SHA256 = typedef Acore::Impl::GenericHMAC<EVP_sha256, Constants::SHA256_DIGEST_LENGTH_BYTES>

MD5

using Acore::Crypto::MD5 = typedef Acore::Impl::GenericHash<EVP_md5, Constants::MD5_DIGEST_LENGTH_BYTES>

SHA1

using Acore::Crypto::SHA1 = typedef Acore::Impl::GenericHash<EVP_sha1, Constants::SHA1_DIGEST_LENGTH_BYTES>

SHA256

using Acore::Crypto::SHA256 = typedef Acore::Impl::GenericHash<EVP_sha256, Constants::SHA256_DIGEST_LENGTH_BYTES>

Function Documentation

AEDecrypt() [1/2]

template<typename Cipher >

bool Acore::Crypto::AEDecrypt	(	std::vector< uint8 > &	data,
		BigNumber const &	key
	)

    {
        return AEDecrypt<Cipher>(data, key.ToByteArray<Cipher::KEY_SIZE_BYTES>());
    }

References BigNumber::ToByteArray().

AEDecrypt() [2/2]

template<typename Cipher >

bool Acore::Crypto::AEDecrypt	(	std::vector< uint8 > &	data,
		typename Cipher::Key const &	key
	)

    {
        using IV = typename Cipher::IV;
        using Tag = typename Cipher::Tag;
 
        // extract trailing IV and tag
        IV iv;
        Tag tag;
        Acore::Impl::CryptoGenericsImpl::SplitFromBack(data, tag);
        Acore::Impl::CryptoGenericsImpl::SplitFromBack(data, iv);
 
        // decrypt data
        Cipher cipher(false);
        cipher.Init(key);
        return cipher.Process(iv, data.data(), data.size(), tag);
    }

References Acore::Impl::CryptoGenericsImpl::SplitFromBack().

AEEncryptWithRandomIV() [1/2]

template<typename Cipher >

void Acore::Crypto::AEEncryptWithRandomIV	(	std::vector< uint8 > &	data,
		BigNumber const &	key
	)

    {
        AEEncryptWithRandomIV<Cipher>(data, key.ToByteArray<Cipher::KEY_SIZE_BYTES>());
    }

References BigNumber::ToByteArray().

AEEncryptWithRandomIV() [2/2]

template<typename Cipher >

void Acore::Crypto::AEEncryptWithRandomIV	(	std::vector< uint8 > &	data,
		typename Cipher::Key const &	key
	)

    {
        using IV = typename Cipher::IV;
        using Tag = typename Cipher::Tag;
        // select random IV
        IV iv = Acore::Impl::CryptoGenericsImpl::GenerateRandomIV<Cipher>();
        Tag tag;
 
        // encrypt data
        Cipher cipher(true);
        cipher.Init(key);
        bool success = cipher.Process(iv, data.data(), data.size(), tag);
        ASSERT(success);
 
        // append trailing IV and tag
        Acore::Impl::CryptoGenericsImpl::AppendToBack(data, iv);
        Acore::Impl::CryptoGenericsImpl::AppendToBack(data, tag);
    }

References Acore::Impl::CryptoGenericsImpl::AppendToBack(), and ASSERT.

GetRandomBytes() [1/3]

template<std::size_t S>

std::array< uint8, S > Acore::Crypto::GetRandomBytes

(

)

    {
        std::array<uint8, S> arr;
        GetRandomBytes(arr);
        return arr;
    }

References GetRandomBytes().

Referenced by Acore::Impl::CryptoGenericsImpl::GenerateRandomIV(), GetRandomBytes(), account_commandscript::HandleAccount2FASetupCommand(), Acore::Crypto::SRP6::MakeRegistrationData(), AuthSession::ReconnectChallengeCallback(), and WorldSocket::WorldSocket().

GetRandomBytes() [2/3]

template<typename Container >

void Acore::Crypto::GetRandomBytes

(

Container &

c

)

    {
        GetRandomBytes(std::data(c), std::size(c));
    }

References GetRandomBytes().

GetRandomBytes() [3/3]

void Acore::Crypto::GetRandomBytes	(	uint8 *	buf,
		std::size_t	len
	)

{
    int result = RAND_bytes(buf, len);
    ASSERT(result == 1, "Not enough randomness in OpenSSL's entropy pool. What in the world are you running on?");
}

References ASSERT.