mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-23 18:09:48 +00:00
427 lines
16 KiB
C++
427 lines
16 KiB
C++
// blake2.h - written and placed in the public domain by Jeffrey Walton
|
|
// and Zooko Wilcox-O'Hearn. Based on Aumasson, Neves,
|
|
// Wilcox-O'Hearn and Winnerlein's reference BLAKE2
|
|
// implementation at http://github.com/BLAKE2/BLAKE2.
|
|
|
|
/// \file blake2.h
|
|
/// \brief Classes for BLAKE2b and BLAKE2s message digests and keyed message digests
|
|
/// \details This implementation follows Aumasson, Neves, Wilcox-O'Hearn and Winnerlein's
|
|
/// <A HREF="http://blake2.net/blake2.pdf">BLAKE2: simpler, smaller, fast as MD5</A> (2013.01.29).
|
|
/// Static algorithm name return either "BLAKE2b" or "BLAKE2s". An object algorithm name follows
|
|
/// the naming described in <A HREF="http://tools.ietf.org/html/rfc7693#section-4">RFC 7693, The
|
|
/// BLAKE2 Cryptographic Hash and Message Authentication Code (MAC)</A>.
|
|
/// \since C++ since Crypto++ 5.6.4, SSE since Crypto++ 5.6.4, NEON since Crypto++ 6.0,
|
|
/// Power8 since Crypto++ 8.0
|
|
|
|
#ifndef CRYPTOPP_BLAKE2_H
|
|
#define CRYPTOPP_BLAKE2_H
|
|
|
|
#include "cryptlib.h"
|
|
#include "secblock.h"
|
|
#include "seckey.h"
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
/// \brief BLAKE2s hash information
|
|
/// \since Crypto++ 5.6.4
|
|
struct BLAKE2s_Info : public VariableKeyLength<32,0,32,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE>
|
|
{
|
|
typedef VariableKeyLength<32,0,32,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE> KeyBase;
|
|
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = KeyBase::MIN_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = KeyBase::MAX_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = KeyBase::DEFAULT_KEYLENGTH)
|
|
|
|
CRYPTOPP_CONSTANT(BLOCKSIZE = 64)
|
|
CRYPTOPP_CONSTANT(DIGESTSIZE = 32)
|
|
CRYPTOPP_CONSTANT(SALTSIZE = 8)
|
|
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = 8)
|
|
|
|
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2s";}
|
|
};
|
|
|
|
/// \brief BLAKE2b hash information
|
|
/// \since Crypto++ 5.6.4
|
|
struct BLAKE2b_Info : public VariableKeyLength<64,0,64,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE>
|
|
{
|
|
typedef VariableKeyLength<64,0,64,1,SimpleKeyingInterface::NOT_RESYNCHRONIZABLE> KeyBase;
|
|
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = KeyBase::MIN_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = KeyBase::MAX_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = KeyBase::DEFAULT_KEYLENGTH)
|
|
|
|
CRYPTOPP_CONSTANT(BLOCKSIZE = 128)
|
|
CRYPTOPP_CONSTANT(DIGESTSIZE = 64)
|
|
CRYPTOPP_CONSTANT(SALTSIZE = 16)
|
|
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = 16)
|
|
|
|
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2b";}
|
|
};
|
|
|
|
/// \brief BLAKE2s parameter block
|
|
struct CRYPTOPP_NO_VTABLE BLAKE2s_ParameterBlock
|
|
{
|
|
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2s_Info::SALTSIZE)
|
|
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2s_Info::DIGESTSIZE)
|
|
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2s_Info::PERSONALIZATIONSIZE)
|
|
|
|
BLAKE2s_ParameterBlock()
|
|
{
|
|
Reset();
|
|
}
|
|
|
|
BLAKE2s_ParameterBlock(size_t digestSize)
|
|
{
|
|
Reset(digestSize);
|
|
}
|
|
|
|
BLAKE2s_ParameterBlock(size_t digestSize, size_t keyLength, const byte* salt, size_t saltLength,
|
|
const byte* personalization, size_t personalizationLength);
|
|
|
|
void Reset(size_t digestLength=DIGESTSIZE, size_t keyLength=0);
|
|
|
|
byte* data() {
|
|
return m_data.data();
|
|
}
|
|
|
|
const byte* data() const {
|
|
return m_data.data();
|
|
}
|
|
|
|
size_t size() const {
|
|
return m_data.size();
|
|
}
|
|
|
|
byte* salt() {
|
|
return m_data + SaltOff;
|
|
}
|
|
|
|
byte* personalization() {
|
|
return m_data + PersonalizationOff;
|
|
}
|
|
|
|
// Offsets into the byte array
|
|
enum {
|
|
DigestOff = 0, KeyOff = 1, FanoutOff = 2, DepthOff = 3, LeafOff = 4, NodeOff = 8,
|
|
NodeDepthOff = 14, InnerOff = 15, SaltOff = 16, PersonalizationOff = 24
|
|
};
|
|
|
|
FixedSizeAlignedSecBlock<byte, 32, true> m_data;
|
|
};
|
|
|
|
/// \brief BLAKE2b parameter block
|
|
struct CRYPTOPP_NO_VTABLE BLAKE2b_ParameterBlock
|
|
{
|
|
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2b_Info::SALTSIZE)
|
|
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2b_Info::DIGESTSIZE)
|
|
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2b_Info::PERSONALIZATIONSIZE)
|
|
|
|
BLAKE2b_ParameterBlock()
|
|
{
|
|
Reset();
|
|
}
|
|
|
|
BLAKE2b_ParameterBlock(size_t digestSize)
|
|
{
|
|
Reset(digestSize);
|
|
}
|
|
|
|
BLAKE2b_ParameterBlock(size_t digestSize, size_t keyLength, const byte* salt, size_t saltLength,
|
|
const byte* personalization, size_t personalizationLength);
|
|
|
|
void Reset(size_t digestLength=DIGESTSIZE, size_t keyLength=0);
|
|
|
|
byte* data() {
|
|
return m_data.data();
|
|
}
|
|
|
|
const byte* data() const {
|
|
return m_data.data();
|
|
}
|
|
|
|
size_t size() const {
|
|
return m_data.size();
|
|
}
|
|
|
|
byte* salt() {
|
|
return m_data + SaltOff;
|
|
}
|
|
|
|
byte* personalization() {
|
|
return m_data + PersonalizationOff;
|
|
}
|
|
|
|
// Offsets into the byte array
|
|
enum {
|
|
DigestOff = 0, KeyOff = 1, FanoutOff = 2, DepthOff = 3, LeafOff = 4, NodeOff = 8,
|
|
NodeDepthOff = 16, InnerOff = 17, RfuOff = 18, SaltOff = 32, PersonalizationOff = 48
|
|
};
|
|
|
|
FixedSizeAlignedSecBlock<byte, 64, true> m_data;
|
|
};
|
|
|
|
/// \brief BLAKE2s state information
|
|
/// \since Crypto++ 5.6.4
|
|
struct CRYPTOPP_NO_VTABLE BLAKE2s_State
|
|
{
|
|
BLAKE2s_State() {
|
|
Reset();
|
|
}
|
|
|
|
void Reset();
|
|
|
|
inline word32* h() {
|
|
return m_hft.data();
|
|
}
|
|
|
|
inline word32* t() {
|
|
return m_hft.data() + 8;
|
|
}
|
|
|
|
inline word32* f() {
|
|
return m_hft.data() + 10;
|
|
}
|
|
|
|
inline byte* data() {
|
|
return m_buf.data();
|
|
}
|
|
|
|
// SSE4, Power7 and NEON depend upon t[] and f[] being side-by-side
|
|
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2s_Info::BLOCKSIZE)
|
|
FixedSizeAlignedSecBlock<word32, 8+2+2, true> m_hft;
|
|
FixedSizeAlignedSecBlock<byte, BLOCKSIZE, true> m_buf;
|
|
size_t m_len;
|
|
};
|
|
|
|
/// \brief BLAKE2b state information
|
|
/// \since Crypto++ 5.6.4
|
|
struct CRYPTOPP_NO_VTABLE BLAKE2b_State
|
|
{
|
|
BLAKE2b_State() {
|
|
Reset();
|
|
}
|
|
|
|
void Reset();
|
|
|
|
inline word64* h() {
|
|
return m_hft.data();
|
|
}
|
|
|
|
inline word64* t() {
|
|
return m_hft.data() + 8;
|
|
}
|
|
|
|
inline word64* f() {
|
|
return m_hft.data() + 10;
|
|
}
|
|
|
|
inline byte* data() {
|
|
return m_buf.data();
|
|
}
|
|
|
|
// SSE4, Power8 and NEON depend upon t[] and f[] being side-by-side
|
|
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2b_Info::BLOCKSIZE)
|
|
FixedSizeAlignedSecBlock<word64, 8+2+2, true> m_hft;
|
|
FixedSizeAlignedSecBlock<byte, BLOCKSIZE, true> m_buf;
|
|
size_t m_len;
|
|
};
|
|
|
|
/// \brief The BLAKE2s cryptographic hash function
|
|
/// \details BLAKE2s can function as both a hash and keyed hash. If you want only the hash,
|
|
/// then use the BLAKE2s constructor that accepts no parameters or digest size. If you
|
|
/// want a keyed hash, then use the constructor that accpts the key as a parameter.
|
|
/// Once a key and digest size are selected, its effectively immutable. The Restart()
|
|
/// method that accepts a ParameterBlock does not allow you to change it.
|
|
/// \sa Aumasson, Neves, Wilcox-O'Hearn and Winnerlein's
|
|
/// <A HREF="http://blake2.net/blake2.pdf">BLAKE2: simpler, smaller, fast as MD5</A> (2013.01.29).
|
|
/// \since C++ since Crypto++ 5.6.4, SSE since Crypto++ 5.6.4, NEON since Crypto++ 6.0,
|
|
/// Power8 since Crypto++ 8.0
|
|
class BLAKE2s : public SimpleKeyingInterfaceImpl<MessageAuthenticationCode, BLAKE2s_Info>
|
|
{
|
|
public:
|
|
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = BLAKE2s_Info::DEFAULT_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = BLAKE2s_Info::MIN_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = BLAKE2s_Info::MAX_KEYLENGTH)
|
|
|
|
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2s_Info::DIGESTSIZE)
|
|
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2s_Info::BLOCKSIZE)
|
|
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2s_Info::SALTSIZE)
|
|
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2s_Info::PERSONALIZATIONSIZE)
|
|
|
|
typedef BLAKE2s_State State;
|
|
typedef BLAKE2s_ParameterBlock ParameterBlock;
|
|
|
|
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2s";}
|
|
|
|
virtual ~BLAKE2s() {}
|
|
|
|
/// \brief Construct a BLAKE2s hash
|
|
/// \param digestSize the digest size, in bytes
|
|
/// \param treeMode flag indicating tree mode
|
|
BLAKE2s(bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
|
|
|
|
/// \brief Construct a BLAKE2s hash
|
|
/// \param key a byte array used to key the cipher
|
|
/// \param keyLength the size of the byte array
|
|
/// \param salt a byte array used as salt
|
|
/// \param saltLength the size of the byte array
|
|
/// \param personalization a byte array used as prsonalization string
|
|
/// \param personalizationLength the size of the byte array
|
|
/// \param treeMode flag indicating tree mode
|
|
/// \param digestSize the digest size, in bytes
|
|
BLAKE2s(const byte *key, size_t keyLength, const byte* salt = NULLPTR, size_t saltLength = 0,
|
|
const byte* personalization = NULLPTR, size_t personalizationLength = 0,
|
|
bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
|
|
|
|
/// \brief Retrieve the object's name
|
|
/// \returns the object's algorithm name following RFC 7693
|
|
/// \details Object algorithm name follows the naming described in
|
|
/// <A HREF="http://tools.ietf.org/html/rfc7693#section-4">RFC 7693, The BLAKE2 Cryptographic Hash and
|
|
/// Message Authentication Code (MAC)</A>. For example, "BLAKE2b-512" and "BLAKE2s-256".
|
|
std::string AlgorithmName() const {return std::string(BLAKE2s_Info::StaticAlgorithmName()) + "-" + IntToString(DigestSize()*8);}
|
|
|
|
unsigned int DigestSize() const {return m_digestSize;}
|
|
unsigned int OptimalDataAlignment() const;
|
|
|
|
void Update(const byte *input, size_t length);
|
|
void Restart();
|
|
|
|
/// \brief Restart a hash with parameter block and counter
|
|
/// \param block parameter block
|
|
/// \param counter counter array
|
|
/// \details Parameter block is persisted across calls to Restart().
|
|
void Restart(const BLAKE2s_ParameterBlock& block, const word32 counter[2]);
|
|
|
|
/// \brief Set tree mode
|
|
/// \param mode the new tree mode
|
|
/// \details BLAKE2 has two finalization flags, called State::f[0] and State::f[1].
|
|
/// If <tt>treeMode=false</tt> (default), then State::f[1] is never set. If
|
|
/// <tt>treeMode=true</tt>, then State::f[1] is set when State::f[0] is set.
|
|
/// Tree mode is persisted across calls to Restart().
|
|
void SetTreeMode(bool mode) {m_treeMode=mode;}
|
|
|
|
/// \brief Get tree mode
|
|
/// \returns the current tree mode
|
|
/// \details Tree mode is persisted across calls to Restart().
|
|
bool GetTreeMode() const {return m_treeMode;}
|
|
|
|
void TruncatedFinal(byte *hash, size_t size);
|
|
|
|
std::string AlgorithmProvider() const;
|
|
|
|
protected:
|
|
// Operates on state buffer and/or input. Must be BLOCKSIZE, final block will pad with 0's.
|
|
void Compress(const byte *input);
|
|
inline void IncrementCounter(size_t count=BLOCKSIZE);
|
|
|
|
void UncheckedSetKey(const byte* key, unsigned int length, const CryptoPP::NameValuePairs& params);
|
|
|
|
private:
|
|
State m_state;
|
|
ParameterBlock m_block;
|
|
AlignedSecByteBlock m_key;
|
|
word32 m_digestSize, m_keyLength;
|
|
bool m_treeMode;
|
|
};
|
|
|
|
/// \brief The BLAKE2b cryptographic hash function
|
|
/// \details BLAKE2b can function as both a hash and keyed hash. If you want only the hash,
|
|
/// then use the BLAKE2b constructor that accepts no parameters or digest size. If you
|
|
/// want a keyed hash, then use the constructor that accpts the key as a parameter.
|
|
/// Once a key and digest size are selected, its effectively immutable. The Restart()
|
|
/// method that accepts a ParameterBlock does not allow you to change it.
|
|
/// \sa Aumasson, Neves, Wilcox-O'Hearn and Winnerlein's
|
|
/// <A HREF="http://blake2.net/blake2.pdf">BLAKE2: simpler, smaller, fast as MD5</A> (2013.01.29).
|
|
/// \since C++ since Crypto++ 5.6.4, SSE since Crypto++ 5.6.4, NEON since Crypto++ 6.0,
|
|
/// Power8 since Crypto++ 8.0
|
|
class BLAKE2b : public SimpleKeyingInterfaceImpl<MessageAuthenticationCode, BLAKE2b_Info>
|
|
{
|
|
public:
|
|
CRYPTOPP_CONSTANT(DEFAULT_KEYLENGTH = BLAKE2b_Info::DEFAULT_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(MIN_KEYLENGTH = BLAKE2b_Info::MIN_KEYLENGTH)
|
|
CRYPTOPP_CONSTANT(MAX_KEYLENGTH = BLAKE2b_Info::MAX_KEYLENGTH)
|
|
|
|
CRYPTOPP_CONSTANT(DIGESTSIZE = BLAKE2b_Info::DIGESTSIZE)
|
|
CRYPTOPP_CONSTANT(BLOCKSIZE = BLAKE2b_Info::BLOCKSIZE)
|
|
CRYPTOPP_CONSTANT(SALTSIZE = BLAKE2b_Info::SALTSIZE)
|
|
CRYPTOPP_CONSTANT(PERSONALIZATIONSIZE = BLAKE2b_Info::PERSONALIZATIONSIZE)
|
|
|
|
typedef BLAKE2b_State State;
|
|
typedef BLAKE2b_ParameterBlock ParameterBlock;
|
|
|
|
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BLAKE2b";}
|
|
|
|
virtual ~BLAKE2b() {}
|
|
|
|
/// \brief Construct a BLAKE2b hash
|
|
/// \param digestSize the digest size, in bytes
|
|
/// \param treeMode flag indicating tree mode
|
|
BLAKE2b(bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
|
|
|
|
/// \brief Construct a BLAKE2b hash
|
|
/// \param key a byte array used to key the cipher
|
|
/// \param keyLength the size of the byte array
|
|
/// \param salt a byte array used as salt
|
|
/// \param saltLength the size of the byte array
|
|
/// \param personalization a byte array used as prsonalization string
|
|
/// \param personalizationLength the size of the byte array
|
|
/// \param treeMode flag indicating tree mode
|
|
/// \param digestSize the digest size, in bytes
|
|
BLAKE2b(const byte *key, size_t keyLength, const byte* salt = NULLPTR, size_t saltLength = 0,
|
|
const byte* personalization = NULLPTR, size_t personalizationLength = 0,
|
|
bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
|
|
|
|
/// \brief Retrieve the object's name
|
|
/// \returns the object's algorithm name following RFC 7693
|
|
/// \details Object algorithm name follows the naming described in
|
|
/// <A HREF="http://tools.ietf.org/html/rfc7693#section-4">RFC 7693, The BLAKE2 Cryptographic Hash and
|
|
/// Message Authentication Code (MAC)</A>. For example, "BLAKE2b-512" and "BLAKE2s-256".
|
|
std::string AlgorithmName() const {return std::string(BLAKE2b_Info::StaticAlgorithmName()) + "-" + IntToString(DigestSize()*8);}
|
|
|
|
unsigned int DigestSize() const {return m_digestSize;}
|
|
unsigned int OptimalDataAlignment() const;
|
|
|
|
void Update(const byte *input, size_t length);
|
|
void Restart();
|
|
|
|
/// \brief Restart a hash with parameter block and counter
|
|
/// \param block parameter block
|
|
/// \param counter counter array
|
|
/// \details Parameter block is persisted across calls to Restart().
|
|
void Restart(const BLAKE2b_ParameterBlock& block, const word64 counter[2]);
|
|
|
|
/// \brief Set tree mode
|
|
/// \param mode the new tree mode
|
|
/// \details BLAKE2 has two finalization flags, called State::f[0] and State::f[1].
|
|
/// If <tt>treeMode=false</tt> (default), then State::f[1] is never set. If
|
|
/// <tt>treeMode=true</tt>, then State::f[1] is set when State::f[0] is set.
|
|
/// Tree mode is persisted across calls to Restart().
|
|
void SetTreeMode(bool mode) {m_treeMode=mode;}
|
|
|
|
/// \brief Get tree mode
|
|
/// \returns the current tree mode
|
|
/// \details Tree mode is persisted across calls to Restart().
|
|
bool GetTreeMode() const {return m_treeMode;}
|
|
|
|
void TruncatedFinal(byte *hash, size_t size);
|
|
|
|
std::string AlgorithmProvider() const;
|
|
|
|
protected:
|
|
|
|
// Operates on state buffer and/or input. Must be BLOCKSIZE, final block will pad with 0's.
|
|
void Compress(const byte *input);
|
|
inline void IncrementCounter(size_t count=BLOCKSIZE);
|
|
|
|
void UncheckedSetKey(const byte* key, unsigned int length, const CryptoPP::NameValuePairs& params);
|
|
|
|
private:
|
|
State m_state;
|
|
ParameterBlock m_block;
|
|
AlignedSecByteBlock m_key;
|
|
word32 m_digestSize, m_keyLength;
|
|
bool m_treeMode;
|
|
};
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif
|