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Add SHA512 and SHA384
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matlo607 committed Dec 10, 2016
1 parent 41a7c33 commit 45e135a
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46 changes: 46 additions & 0 deletions include/SHA384.hpp
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#ifndef _SHA384_HASHING_
#define _SHA384_HASHING_

#include "SHA512384.hpp"

namespace crypto {

#define SHA384_HASH_SIZE 48 // (in bytes)

using SHA384hash = CryptoHash<SHA384_HASH_SIZE>;

class SHA384hashing final : public SHA512384hashing<SHA384_HASH_SIZE>
{
public:

SHA384hashing(void);
virtual ~SHA384hashing() = default;

SHA384hashing(const SHA384hashing& other) = delete;
SHA384hashing& operator=(const SHA384hashing& other) = delete;

SHA384hashing(SHA384hashing&& other) = default;
SHA384hashing& operator=(SHA384hashing&& other) = default;

private:

class SHA384BlockCipherLike final : public SHA512384BlockCipherLike
{
public:
SHA384BlockCipherLike(void);
virtual ~SHA384BlockCipherLike() = default;

SHA384BlockCipherLike(const SHA384BlockCipherLike& other) = delete;
SHA384BlockCipherLike& operator=(const SHA384BlockCipherLike& other) = delete;

SHA384BlockCipherLike(SHA384BlockCipherLike&& other) = default;
SHA384BlockCipherLike& operator=(SHA384BlockCipherLike&& other) = default;

virtual void reset(void) final override;
};
};

} /* namespace crypto */

#endif

46 changes: 46 additions & 0 deletions include/SHA512.hpp
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#ifndef _SHA512_HASHING_
#define _SHA512_HASHING_

#include "SHA512384.hpp"

namespace crypto {

#define SHA512_HASH_SIZE 64 // (in bytes)

using SHA512hash = CryptoHash<SHA512_HASH_SIZE>;

class SHA512hashing final : public SHA512384hashing<SHA512_HASH_SIZE>
{
public:

SHA512hashing(void);
virtual ~SHA512hashing() = default;

SHA512hashing(const SHA512hashing& other) = delete;
SHA512hashing& operator=(const SHA512hashing& other) = delete;

SHA512hashing(SHA512hashing&& other) = default;
SHA512hashing& operator=(SHA512hashing&& other) = default;

private:

class SHA512BlockCipherLike final : public SHA512384BlockCipherLike
{
public:
SHA512BlockCipherLike(void);
virtual ~SHA512BlockCipherLike() = default;

SHA512BlockCipherLike(const SHA512BlockCipherLike& other) = delete;
SHA512BlockCipherLike& operator=(const SHA512BlockCipherLike& other) = delete;

SHA512BlockCipherLike(SHA512BlockCipherLike&& other) = default;
SHA512BlockCipherLike& operator=(SHA512BlockCipherLike&& other) = default;

virtual void reset(void) final override;
};
};

} /* namespace crypto */

#endif

61 changes: 61 additions & 0 deletions include/SHA512384.hpp
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#ifndef _SHA512384_HASHING_
#define _SHA512384_HASHING_

#include "HashingStrategy.hpp"

namespace crypto {

#define SHA512384_TMPHASH_SIZE 64 // (in bytes)
#define SHA512384_MSGBLOCK_SIZE 128 // (in bytes)

template <size_t N>
using SHA512384hash = CryptoHash<N>;

template <size_t N_digest>
class SHA512384hashing : public HashingStrategy<SHA512384_TMPHASH_SIZE, uint64_t, SHA512384_MSGBLOCK_SIZE, N_digest>
{
protected:

class SHA512384BlockCipherLike;

template <size_t N>
using HS = HashingStrategy<SHA512384_TMPHASH_SIZE, uint64_t, SHA512384_MSGBLOCK_SIZE, N>;

SHA512384hashing(std::unique_ptr< typename HS<N_digest>::StrategyBlockCipherLike >&& p);
SHA512384hashing(void) = delete;
virtual ~SHA512384hashing() = default;

SHA512384hashing(const SHA512384hashing& other) = delete;
SHA512384hashing& operator=(const SHA512384hashing& other) = delete;

SHA512384hashing(SHA512384hashing&& other) = default;
SHA512384hashing& operator=(SHA512384hashing&& other) = default;

class SHA512384BlockCipherLike : public HS<N_digest>::StrategyBlockCipherLike
{
private:
virtual void process(void) final override;
virtual SHA512384hash<N_digest> getDigest(void) final override;
virtual void setMsgSize(size_t size) final override;

public:
SHA512384BlockCipherLike(void) = default;
virtual ~SHA512384BlockCipherLike() = default;

SHA512384BlockCipherLike(const SHA512384BlockCipherLike& other) = delete;
SHA512384BlockCipherLike& operator=(const SHA512384BlockCipherLike& other) = delete;

SHA512384BlockCipherLike(SHA512384BlockCipherLike&& other) = default;
SHA512384BlockCipherLike& operator=(SHA512384BlockCipherLike&& other) = default;

virtual void reset(void) = 0;
};

};

} /* namespace crypto */

#include "SHA512384.ipp"

#endif

158 changes: 158 additions & 0 deletions include/SHA512384.ipp
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#include "utils.hpp"

#include <endian.h>
#include <cstring>

namespace crypto {

using namespace utils;

using SHA512384MsgBlock_uint64 = MsgBlock_uint64<SHA512384_MSGBLOCK_SIZE>;

namespace sha512384_detail {
template <size_t N>
using HS = HashingStrategy<SHA512384_TMPHASH_SIZE, uint64_t, SHA512384_MSGBLOCK_SIZE, N>;
} /* namespace sha512384_detail */

template <size_t N_digest>
SHA512384hashing<N_digest>::SHA512384hashing(std::unique_ptr< typename sha512384_detail::HS<N_digest>::StrategyBlockCipherLike >&& p) :
sha512384_detail::HS<N_digest>(std::move(p))
{
}

template <size_t N_digest>
SHA512384hash<N_digest> SHA512384hashing<N_digest>::SHA512384BlockCipherLike::getDigest(void)
{
using SHA512384hash_uint64 = CryptoHash_uint64<N_digest>;
SHA512384hash<N_digest> digest;

#if __BYTE_ORDER == __LITTLE_ENDIAN
auto& dest = *reinterpret_cast<SHA512384hash_uint64*>(digest.data());

// write the hash in big endian
auto it_end = this->m_intermediateHash.begin();
std::advance(it_end, N_digest / sizeof(uint64_t));
std::transform(this->m_intermediateHash.begin(),
it_end,
dest.begin(),
[] (uint64_t n) { return htobe64(n); });
#else
memcpy(digest.data(), m_intermediateHash.data(), digest.size());
#endif

return std::move(digest);
}

template <size_t N_digest>
void SHA512384hashing<N_digest>::SHA512384BlockCipherLike::setMsgSize(size_t size)
{
auto it = (*reinterpret_cast<SHA512384MsgBlock_uint64*>(this->m_msgBlock.data())).end();
*--it = htobe64(size);
*--it = 0; // assume that a file with a size grather than 2^61 bytes does not exist for now
}

template <size_t N_digest>
void SHA512384hashing<N_digest>::SHA512384BlockCipherLike::process(void)
{
auto F0 = [](auto x, auto y, auto z) { return (x & y) | (z & (x | y)); };
auto F1 = [](auto x, auto y, auto z) { return z ^ (x & (y ^ z)); };

auto EP0 = [](uint64_t x) { return rotate_right(x,28) ^ rotate_right(x,34) ^ rotate_right(x,39); };
auto EP1 = [](uint64_t x) { return rotate_right(x,14) ^ rotate_right(x,18) ^ rotate_right(x,41); };

auto SIG0 = [](uint64_t x) { return rotate_right(x,1) ^ rotate_right(x,8) ^ (x >> 7); };
auto SIG1 = [](uint64_t x) { return rotate_right(x,19) ^ rotate_right(x,61) ^ (x >> 6); };

static std::array<const uint64_t,80> K = {
0x428a2f98d728ae22, 0x7137449123ef65cd,
0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc,
0x3956c25bf348b538, 0x59f111f1b605d019,
0x923f82a4af194f9b, 0xab1c5ed5da6d8118,
0xd807aa98a3030242, 0x12835b0145706fbe,
0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2,
0x72be5d74f27b896f, 0x80deb1fe3b1696b1,
0x9bdc06a725c71235, 0xc19bf174cf692694,
0xe49b69c19ef14ad2, 0xefbe4786384f25e3,
0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65,
0x2de92c6f592b0275, 0x4a7484aa6ea6e483,
0x5cb0a9dcbd41fbd4, 0x76f988da831153b5,
0x983e5152ee66dfab, 0xa831c66d2db43210,
0xb00327c898fb213f, 0xbf597fc7beef0ee4,
0xc6e00bf33da88fc2, 0xd5a79147930aa725,
0x06ca6351e003826f, 0x142929670a0e6e70,
0x27b70a8546d22ffc, 0x2e1b21385c26c926,
0x4d2c6dfc5ac42aed, 0x53380d139d95b3df,
0x650a73548baf63de, 0x766a0abb3c77b2a8,
0x81c2c92e47edaee6, 0x92722c851482353b,
0xa2bfe8a14cf10364, 0xa81a664bbc423001,
0xc24b8b70d0f89791, 0xc76c51a30654be30,
0xd192e819d6ef5218, 0xd69906245565a910,
0xf40e35855771202a, 0x106aa07032bbd1b8,
0x19a4c116b8d2d0c8, 0x1e376c085141ab53,
0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8,
0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb,
0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3,
0x748f82ee5defb2fc, 0x78a5636f43172f60,
0x84c87814a1f0ab72, 0x8cc702081a6439ec,
0x90befffa23631e28, 0xa4506cebde82bde9,
0xbef9a3f7b2c67915, 0xc67178f2e372532b,
0xca273eceea26619c, 0xd186b8c721c0c207,
0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178,
0x06f067aa72176fba, 0x0a637dc5a2c898a6,
0x113f9804bef90dae, 0x1b710b35131c471b,
0x28db77f523047d84, 0x32caab7b40c72493,
0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c,
0x4cc5d4becb3e42b6, 0x597f299cfc657e2a,
0x5fcb6fab3ad6faec, 0x6c44198c4a475817
};

std::array<uint64_t, 80> W; // word sequence
uint64_t A, B, C, D, E, F, G, H; // word buffers

// initialize the first 16 words in the array W with the message block
auto& msgBlockUInt64 = *reinterpret_cast<SHA512384MsgBlock_uint64*>(this->m_msgBlock.data());
std::transform(msgBlockUInt64.begin(),
msgBlockUInt64.end(),
W.begin(),
[] (uint64_t n) { return htobe64(n); });

for (auto t = msgBlockUInt64.size(); t < W.size(); ++t) {
W[t] = SIG1(W[t - 2]) + W[t - 7] + SIG0(W[t - 15]) + W[t - 16];
}

A = this->m_intermediateHash[0];
B = this->m_intermediateHash[1];
C = this->m_intermediateHash[2];
D = this->m_intermediateHash[3];
E = this->m_intermediateHash[4];
F = this->m_intermediateHash[5];
G = this->m_intermediateHash[6];
H = this->m_intermediateHash[7];

for (auto t = 0U; t < W.size(); ++t) {
auto T1 = H + EP1(E) + F1(E,F,G) + K[t] + W[t];
auto T2 = EP0(A) + F0(A,B,C);
H = G;
G = F;
F = E;
E = D + T1;
D = C;
C = B;
B = A;
A = T1 + T2;
}

this->m_intermediateHash[0] += A;
this->m_intermediateHash[1] += B;
this->m_intermediateHash[2] += C;
this->m_intermediateHash[3] += D;
this->m_intermediateHash[4] += E;
this->m_intermediateHash[5] += F;
this->m_intermediateHash[6] += G;
this->m_intermediateHash[7] += H;

this->m_msgBlockIndex = 0;
}

} /* namespace crypto */

36 changes: 36 additions & 0 deletions src/SHA384.cpp
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#include "SHA384.hpp"
#include <cstring>

namespace crypto {

using HS512384 = SHA512384hashing<SHA384_HASH_SIZE>;

SHA384hashing::SHA384hashing(void) :
HS512384(std::make_unique<SHA384hashing::SHA384BlockCipherLike>())
{
}

SHA384hashing::SHA384BlockCipherLike::SHA384BlockCipherLike(void)
: HS512384::SHA512384BlockCipherLike()
{
reset();
}

void SHA384hashing::SHA384BlockCipherLike::reset(void)
{
memset(m_msgBlock.data(), 0, sizeof(m_msgBlock));
m_msgBlockIndex = 0;
m_intermediateHash = {
0xcbbb9d5dc1059ed8,
0x629a292a367cd507,
0x9159015a3070dd17,
0x152fecd8f70e5939,
0x67332667ffc00b31,
0x8eb44a8768581511,
0xdb0c2e0d64f98fa7,
0x47b5481dbefa4fa4
};
}

} /* namespace crypto */

36 changes: 36 additions & 0 deletions src/SHA512.cpp
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#include "SHA512.hpp"
#include <cstring>

namespace crypto {

using HS512384 = SHA512384hashing<SHA512_HASH_SIZE>;

SHA512hashing::SHA512hashing(void) :
HS512384(std::make_unique<SHA512hashing::SHA512BlockCipherLike>())
{
}

SHA512hashing::SHA512BlockCipherLike::SHA512BlockCipherLike(void)
: HS512384::SHA512384BlockCipherLike()
{
reset();
}

void SHA512hashing::SHA512BlockCipherLike::reset(void)
{
memset(m_msgBlock.data(), 0, sizeof(m_msgBlock));
m_msgBlockIndex = 0;
m_intermediateHash = {
0x6a09e667f3bcc908,
0xbb67ae8584caa73b,
0x3c6ef372fe94f82b,
0xa54ff53a5f1d36f1,
0x510e527fade682d1,
0x9b05688c2b3e6c1f,
0x1f83d9abfb41bd6b,
0x5be0cd19137e2179
};
}

} /* namespace crypto */

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