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Rework hashes (also fix Fletcher16 and CRC64)

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This commit is contained in:
Jérôme Leclercq
2022-02-10 01:46:58 +01:00
parent 52100e3b3b
commit 97ee89afb7
29 changed files with 1262 additions and 1330 deletions
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20
src/Nazara/Core/AbstractHash.cpp
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@@ -46,34 +46,34 @@ namespace Nz
switch (type)
{
case HashType::Fletcher16:
return std::make_unique<HashFletcher16>();
return std::make_unique<Fletcher16Hash>();
case HashType::CRC32:
return std::make_unique<HashCRC32>();
return std::make_unique<CRC32Hash>();
case HashType::CRC64:
return std::make_unique<HashCRC64>();
return std::make_unique<CRC64Hash>();
case HashType::MD5:
return std::make_unique<HashMD5>();
return std::make_unique<MD5Hash>();
case HashType::SHA1:
return std::make_unique<HashSHA1>();
return std::make_unique<SHA1Hash>();
case HashType::SHA224:
return std::make_unique<HashSHA224>();
return std::make_unique<SHA224Hash>();
case HashType::SHA256:
return std::make_unique<HashSHA256>();
return std::make_unique<SHA256Hash>();
case HashType::SHA384:
return std::make_unique<HashSHA384>();
return std::make_unique<SHA384Hash>();
case HashType::SHA512:
return std::make_unique<HashSHA512>();
return std::make_unique<SHA512Hash>();
case HashType::Whirlpool:
return std::make_unique<HashWhirlpool>();
return std::make_unique<WhirlpoolHash>();
}
NazaraInternalError("Hash type not handled (0x" + NumberToString(UnderlyingCast(type), 16) + ')');

6
src/Nazara/Core/File.cpp
View File

@@ -424,10 +424,8 @@ namespace Nz
* \remark Produces a NazaraError if file could not be read
*/
NAZARA_CORE_API bool HashAppend(AbstractHash* hash, const File& originalFile)
NAZARA_CORE_API bool HashAppend(AbstractHash& hash, const File& originalFile)
{
NazaraAssert(hash, "Invalid hash");
File file(originalFile.GetPath());
if (!file.Open(OpenMode::ReadOnly))
{
@@ -448,7 +446,7 @@ namespace Nz
}
remainingSize -= size;
hash->Append(reinterpret_cast<UInt8*>(&buffer[0]), size);
hash.Append(reinterpret_cast<UInt8*>(&buffer[0]), size);
}
return true;

108
src/Nazara/Core/Hash/CRC32.cpp
View File

@@ -8,12 +8,6 @@
namespace Nz
{
struct HashCRC32_state
{
UInt32 crc;
const UInt32* table;
};
namespace
{
UInt32 crc32_reflect(UInt32 ref, unsigned int j)
@@ -32,47 +26,45 @@ namespace Nz
}
static const UInt32 crc32_table[256] = {
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
};
}
HashCRC32::HashCRC32(UInt32 polynomial)
CRC32Hash::CRC32Hash(UInt32 polynomial)
{
m_state = new HashCRC32_state;
if (polynomial == 0x04c11db7)
m_state->table = crc32_table; // Table précalculée (Bien plus rapide)
if (polynomial == DefaultPolynomial)
m_table = crc32_table;
else
{
UInt32* table = new UInt32[256];
@@ -86,46 +78,44 @@ namespace Nz
table[i] = crc32_reflect(table[i], 32);
}
m_state->table = table;
m_table = table;
}
}
HashCRC32::~HashCRC32()
CRC32Hash::~CRC32Hash()
{
if (m_state->table != crc32_table)
delete[] m_state->table;
delete m_state;
if (m_table != crc32_table)
delete[] m_table;
}
void HashCRC32::Append(const UInt8* data, std::size_t len)
void CRC32Hash::Append(const UInt8* data, std::size_t len)
{
while (len--)
m_state->crc = m_state->table[(m_state->crc ^ *data++) & 0xFF] ^ (m_state->crc >> 8);
m_crc = m_table[(m_crc ^ *data++) & 0xFF] ^ (m_crc >> 8);
}
void HashCRC32::Begin()
void CRC32Hash::Begin()
{
m_state->crc = 0xFFFFFFFF;
m_crc = 0xFFFFFFFF;
}
ByteArray HashCRC32::End()
ByteArray CRC32Hash::End()
{
m_state->crc ^= 0xFFFFFFFF;
m_crc ^= 0xFFFFFFFF;
#ifdef NAZARA_LITTLE_ENDIAN
SwapBytes(&m_state->crc, sizeof(UInt32));
SwapBytes(&m_crc, sizeof(UInt32));
#endif
return ByteArray(reinterpret_cast<UInt8*>(&m_state->crc), 4);
return ByteArray(reinterpret_cast<UInt8*>(&m_crc), 4);
}
std::size_t HashCRC32::GetDigestLength() const
std::size_t CRC32Hash::GetDigestLength() const
{
return 4;
}
const char* HashCRC32::GetHashName() const
const char* CRC32Hash::GetHashName() const
{
return "CRC32";
}

147
src/Nazara/Core/Hash/CRC64.cpp
View File

@@ -8,93 +8,88 @@
namespace Nz
{
struct HashCRC64_state
{
UInt64 crc;
};
namespace
{
static const UInt64 crc64_table[256] = {
0x0000000000000000ULL, 0x7ad870c830358979ULL, 0xf5b0e190606b12f2ULL, 0x8f689158505e9b8bULL,
0xc038e5739841b68fULL, 0xbae095bba8743ff6ULL, 0x358804e3f82aa47dULL, 0x4f50742bc81f2d04ULL,
0xab28ecb46814fe75ULL, 0xd1f09c7c5821770cULL, 0x5e980d24087fec87ULL, 0x24407dec384a65feULL,
0x6b1009c7f05548faULL, 0x11c8790fc060c183ULL, 0x9ea0e857903e5a08ULL, 0xe478989fa00bd371ULL,
0x7d08ff3b88be6f81ULL, 0x07d08ff3b88be6f8ULL, 0x88b81eabe8d57d73ULL, 0xf2606e63d8e0f40aULL,
0xbd301a4810ffd90eULL, 0xc7e86a8020ca5077ULL, 0x4880fbd87094cbfcULL, 0x32588b1040a14285ULL,
0xd620138fe0aa91f4ULL, 0xacf86347d09f188dULL, 0x2390f21f80c18306ULL, 0x594882d7b0f40a7fULL,
0x1618f6fc78eb277bULL, 0x6cc0863448deae02ULL, 0xe3a8176c18803589ULL, 0x997067a428b5bcf0ULL,
0xfa11fe77117cdf02ULL, 0x80c98ebf2149567bULL, 0x0fa11fe77117cdf0ULL, 0x75796f2f41224489ULL,
0x3a291b04893d698dULL, 0x40f16bccb908e0f4ULL, 0xcf99fa94e9567b7fULL, 0xb5418a5cd963f206ULL,
0x513912c379682177ULL, 0x2be1620b495da80eULL, 0xa489f35319033385ULL, 0xde51839b2936bafcULL,
0x9101f7b0e12997f8ULL, 0xebd98778d11c1e81ULL, 0x64b116208142850aULL, 0x1e6966e8b1770c73ULL,
0x8719014c99c2b083ULL, 0xfdc17184a9f739faULL, 0x72a9e0dcf9a9a271ULL, 0x08719014c99c2b08ULL,
0x4721e43f0183060cULL, 0x3df994f731b68f75ULL, 0xb29105af61e814feULL, 0xc849756751dd9d87ULL,
0x2c31edf8f1d64ef6ULL, 0x56e99d30c1e3c78fULL, 0xd9810c6891bd5c04ULL, 0xa3597ca0a188d57dULL,
0xec09088b6997f879ULL, 0x96d1784359a27100ULL, 0x19b9e91b09fcea8bULL, 0x636199d339c963f2ULL,
0xdf7adabd7a6e2d6fULL, 0xa5a2aa754a5ba416ULL, 0x2aca3b2d1a053f9dULL, 0x50124be52a30b6e4ULL,
0x1f423fcee22f9be0ULL, 0x659a4f06d21a1299ULL, 0xeaf2de5e82448912ULL, 0x902aae96b271006bULL,
0x74523609127ad31aULL, 0x0e8a46c1224f5a63ULL, 0x81e2d7997211c1e8ULL, 0xfb3aa75142244891ULL,
0xb46ad37a8a3b6595ULL, 0xceb2a3b2ba0eececULL, 0x41da32eaea507767ULL, 0x3b024222da65fe1eULL,
0xa2722586f2d042eeULL, 0xd8aa554ec2e5cb97ULL, 0x57c2c41692bb501cULL, 0x2d1ab4dea28ed965ULL,
0x624ac0f56a91f461ULL, 0x1892b03d5aa47d18ULL, 0x97fa21650afae693ULL, 0xed2251ad3acf6feaULL,
0x095ac9329ac4bc9bULL, 0x7382b9faaaf135e2ULL, 0xfcea28a2faafae69ULL, 0x8632586aca9a2710ULL,
0xc9622c4102850a14ULL, 0xb3ba5c8932b0836dULL, 0x3cd2cdd162ee18e6ULL, 0x460abd1952db919fULL,
0x256b24ca6b12f26dULL, 0x5fb354025b277b14ULL, 0xd0dbc55a0b79e09fULL, 0xaa03b5923b4c69e6ULL,
0xe553c1b9f35344e2ULL, 0x9f8bb171c366cd9bULL, 0x10e3202993385610ULL, 0x6a3b50e1a30ddf69ULL,
0x8e43c87e03060c18ULL, 0xf49bb8b633338561ULL, 0x7bf329ee636d1eeaULL, 0x012b592653589793ULL,
0x4e7b2d0d9b47ba97ULL, 0x34a35dc5ab7233eeULL, 0xbbcbcc9dfb2ca865ULL, 0xc113bc55cb19211cULL,
0x5863dbf1e3ac9decULL, 0x22bbab39d3991495ULL, 0xadd33a6183c78f1eULL, 0xd70b4aa9b3f20667ULL,
0x985b3e827bed2b63ULL, 0xe2834e4a4bd8a21aULL, 0x6debdf121b863991ULL, 0x1733afda2bb3b0e8ULL,
0xf34b37458bb86399ULL, 0x8993478dbb8deae0ULL, 0x06fbd6d5ebd3716bULL, 0x7c23a61ddbe6f812ULL,
0x3373d23613f9d516ULL, 0x49aba2fe23cc5c6fULL, 0xc6c333a67392c7e4ULL, 0xbc1b436e43a74e9dULL,
0x95ac9329ac4bc9b5ULL, 0xef74e3e19c7e40ccULL, 0x601c72b9cc20db47ULL, 0x1ac40271fc15523eULL,
0x5594765a340a7f3aULL, 0x2f4c0692043ff643ULL, 0xa02497ca54616dc8ULL, 0xdafce7026454e4b1ULL,
0x3e847f9dc45f37c0ULL, 0x445c0f55f46abeb9ULL, 0xcb349e0da4342532ULL, 0xb1eceec59401ac4bULL,
0xfebc9aee5c1e814fULL, 0x8464ea266c2b0836ULL, 0x0b0c7b7e3c7593bdULL, 0x71d40bb60c401ac4ULL,
0xe8a46c1224f5a634ULL, 0x927c1cda14c02f4dULL, 0x1d148d82449eb4c6ULL, 0x67ccfd4a74ab3dbfULL,
0x289c8961bcb410bbULL, 0x5244f9a98c8199c2ULL, 0xdd2c68f1dcdf0249ULL, 0xa7f41839ecea8b30ULL,
0x438c80a64ce15841ULL, 0x3954f06e7cd4d138ULL, 0xb63c61362c8a4ab3ULL, 0xcce411fe1cbfc3caULL,
0x83b465d5d4a0eeceULL, 0xf96c151de49567b7ULL, 0x76048445b4cbfc3cULL, 0x0cdcf48d84fe7545ULL,
0x6fbd6d5ebd3716b7ULL, 0x15651d968d029fceULL, 0x9a0d8ccedd5c0445ULL, 0xe0d5fc06ed698d3cULL,
0xaf85882d2576a038ULL, 0xd55df8e515432941ULL, 0x5a3569bd451db2caULL, 0x20ed197575283bb3ULL,
0xc49581ead523e8c2ULL, 0xbe4df122e51661bbULL, 0x3125607ab548fa30ULL, 0x4bfd10b2857d7349ULL,
0x04ad64994d625e4dULL, 0x7e7514517d57d734ULL, 0xf11d85092d094cbfULL, 0x8bc5f5c11d3cc5c6ULL,
0x12b5926535897936ULL, 0x686de2ad05bcf04fULL, 0xe70573f555e26bc4ULL, 0x9ddd033d65d7e2bdULL,
0xd28d7716adc8cfb9ULL, 0xa85507de9dfd46c0ULL, 0x273d9686cda3dd4bULL, 0x5de5e64efd965432ULL,
0xb99d7ed15d9d8743ULL, 0xc3450e196da80e3aULL, 0x4c2d9f413df695b1ULL, 0x36f5ef890dc31cc8ULL,
0x79a59ba2c5dc31ccULL, 0x037deb6af5e9b8b5ULL, 0x8c157a32a5b7233eULL, 0xf6cd0afa9582aa47ULL,
0x4ad64994d625e4daULL, 0x300e395ce6106da3ULL, 0xbf66a804b64ef628ULL, 0xc5bed8cc867b7f51ULL,
0x8aeeace74e645255ULL, 0xf036dc2f7e51db2cULL, 0x7f5e4d772e0f40a7ULL, 0x05863dbf1e3ac9deULL,
0xe1fea520be311aafULL, 0x9b26d5e88e0493d6ULL, 0x144e44b0de5a085dULL, 0x6e963478ee6f8124ULL,
0x21c640532670ac20ULL, 0x5b1e309b16452559ULL, 0xd476a1c3461bbed2ULL, 0xaeaed10b762e37abULL,
0x37deb6af5e9b8b5bULL, 0x4d06c6676eae0222ULL, 0xc26e573f3ef099a9ULL, 0xb8b627f70ec510d0ULL,
0xf7e653dcc6da3dd4ULL, 0x8d3e2314f6efb4adULL, 0x0256b24ca6b12f26ULL, 0x788ec2849684a65fULL,
0x9cf65a1b368f752eULL, 0xe62e2ad306bafc57ULL, 0x6946bb8b56e467dcULL, 0x139ecb4366d1eea5ULL,
0x5ccebf68aecec3a1ULL, 0x2616cfa09efb4ad8ULL, 0xa97e5ef8cea5d153ULL, 0xd3a62e30fe90582aULL,
0xb0c7b7e3c7593bd8ULL, 0xca1fc72bf76cb2a1ULL, 0x45775673a732292aULL, 0x3faf26bb9707a053ULL,
0x70ff52905f188d57ULL, 0x0a2722586f2d042eULL, 0x854fb3003f739fa5ULL, 0xff97c3c80f4616dcULL,
0x1bef5b57af4dc5adULL, 0x61372b9f9f784cd4ULL, 0xee5fbac7cf26d75fULL, 0x9487ca0fff135e26ULL,
0xdbd7be24370c7322ULL, 0xa10fceec0739fa5bULL, 0x2e675fb4576761d0ULL, 0x54bf2f7c6752e8a9ULL,
0xcdcf48d84fe75459ULL, 0xb71738107fd2dd20ULL, 0x387fa9482f8c46abULL, 0x42a7d9801fb9cfd2ULL,
0x0df7adabd7a6e2d6ULL, 0x772fdd63e7936bafULL, 0xf8474c3bb7cdf024ULL, 0x829f3cf387f8795dULL,
0x66e7a46c27f3aa2cULL, 0x1c3fd4a417c62355ULL, 0x935745fc4798b8deULL, 0xe98f353477ad31a7ULL,
0xa6df411fbfb21ca3ULL, 0xdc0731d78f8795daULL, 0x536fa08fdfd90e51ULL, 0x29b7d047efec8728ULL
static const UInt64 crc64_table[] = {
0x0000000000000000ULL, 0x42F0E1EBA9EA3693ULL, 0x85E1C3D753D46D26ULL, 0xC711223CFA3E5BB5ULL,
0x493366450E42ECDFULL, 0x0BC387AEA7A8DA4CULL, 0xCCD2A5925D9681F9ULL, 0x8E224479F47CB76AULL,
0x9266CC8A1C85D9BEULL, 0xD0962D61B56FEF2DULL, 0x17870F5D4F51B498ULL, 0x5577EEB6E6BB820BULL,
0xDB55AACF12C73561ULL, 0x99A54B24BB2D03F2ULL, 0x5EB4691841135847ULL, 0x1C4488F3E8F96ED4ULL,
0x663D78FF90E185EFULL, 0x24CD9914390BB37CULL, 0xE3DCBB28C335E8C9ULL, 0xA12C5AC36ADFDE5AULL,
0x2F0E1EBA9EA36930ULL, 0x6DFEFF5137495FA3ULL, 0xAAEFDD6DCD770416ULL, 0xE81F3C86649D3285ULL,
0xF45BB4758C645C51ULL, 0xB6AB559E258E6AC2ULL, 0x71BA77A2DFB03177ULL, 0x334A9649765A07E4ULL,
0xBD68D2308226B08EULL, 0xFF9833DB2BCC861DULL, 0x388911E7D1F2DDA8ULL, 0x7A79F00C7818EB3BULL,
0xCC7AF1FF21C30BDEULL, 0x8E8A101488293D4DULL, 0x499B3228721766F8ULL, 0x0B6BD3C3DBFD506BULL,
0x854997BA2F81E701ULL, 0xC7B97651866BD192ULL, 0x00A8546D7C558A27ULL, 0x4258B586D5BFBCB4ULL,
0x5E1C3D753D46D260ULL, 0x1CECDC9E94ACE4F3ULL, 0xDBFDFEA26E92BF46ULL, 0x990D1F49C77889D5ULL,
0x172F5B3033043EBFULL, 0x55DFBADB9AEE082CULL, 0x92CE98E760D05399ULL, 0xD03E790CC93A650AULL,
0xAA478900B1228E31ULL, 0xE8B768EB18C8B8A2ULL, 0x2FA64AD7E2F6E317ULL, 0x6D56AB3C4B1CD584ULL,
0xE374EF45BF6062EEULL, 0xA1840EAE168A547DULL, 0x66952C92ECB40FC8ULL, 0x2465CD79455E395BULL,
0x3821458AADA7578FULL, 0x7AD1A461044D611CULL, 0xBDC0865DFE733AA9ULL, 0xFF3067B657990C3AULL,
0x711223CFA3E5BB50ULL, 0x33E2C2240A0F8DC3ULL, 0xF4F3E018F031D676ULL, 0xB60301F359DBE0E5ULL,
0xDA050215EA6C212FULL, 0x98F5E3FE438617BCULL, 0x5FE4C1C2B9B84C09ULL, 0x1D14202910527A9AULL,
0x93366450E42ECDF0ULL, 0xD1C685BB4DC4FB63ULL, 0x16D7A787B7FAA0D6ULL, 0x5427466C1E109645ULL,
0x4863CE9FF6E9F891ULL, 0x0A932F745F03CE02ULL, 0xCD820D48A53D95B7ULL, 0x8F72ECA30CD7A324ULL,
0x0150A8DAF8AB144EULL, 0x43A04931514122DDULL, 0x84B16B0DAB7F7968ULL, 0xC6418AE602954FFBULL,
0xBC387AEA7A8DA4C0ULL, 0xFEC89B01D3679253ULL, 0x39D9B93D2959C9E6ULL, 0x7B2958D680B3FF75ULL,
0xF50B1CAF74CF481FULL, 0xB7FBFD44DD257E8CULL, 0x70EADF78271B2539ULL, 0x321A3E938EF113AAULL,
0x2E5EB66066087D7EULL, 0x6CAE578BCFE24BEDULL, 0xABBF75B735DC1058ULL, 0xE94F945C9C3626CBULL,
0x676DD025684A91A1ULL, 0x259D31CEC1A0A732ULL, 0xE28C13F23B9EFC87ULL, 0xA07CF2199274CA14ULL,
0x167FF3EACBAF2AF1ULL, 0x548F120162451C62ULL, 0x939E303D987B47D7ULL, 0xD16ED1D631917144ULL,
0x5F4C95AFC5EDC62EULL, 0x1DBC74446C07F0BDULL, 0xDAAD56789639AB08ULL, 0x985DB7933FD39D9BULL,
0x84193F60D72AF34FULL, 0xC6E9DE8B7EC0C5DCULL, 0x01F8FCB784FE9E69ULL, 0x43081D5C2D14A8FAULL,
0xCD2A5925D9681F90ULL, 0x8FDAB8CE70822903ULL, 0x48CB9AF28ABC72B6ULL, 0x0A3B7B1923564425ULL,
0x70428B155B4EAF1EULL, 0x32B26AFEF2A4998DULL, 0xF5A348C2089AC238ULL, 0xB753A929A170F4ABULL,
0x3971ED50550C43C1ULL, 0x7B810CBBFCE67552ULL, 0xBC902E8706D82EE7ULL, 0xFE60CF6CAF321874ULL,
0xE224479F47CB76A0ULL, 0xA0D4A674EE214033ULL, 0x67C58448141F1B86ULL, 0x253565A3BDF52D15ULL,
0xAB1721DA49899A7FULL, 0xE9E7C031E063ACECULL, 0x2EF6E20D1A5DF759ULL, 0x6C0603E6B3B7C1CAULL,
0xF6FAE5C07D3274CDULL, 0xB40A042BD4D8425EULL, 0x731B26172EE619EBULL, 0x31EBC7FC870C2F78ULL,
0xBFC9838573709812ULL, 0xFD39626EDA9AAE81ULL, 0x3A28405220A4F534ULL, 0x78D8A1B9894EC3A7ULL,
0x649C294A61B7AD73ULL, 0x266CC8A1C85D9BE0ULL, 0xE17DEA9D3263C055ULL, 0xA38D0B769B89F6C6ULL,
0x2DAF4F0F6FF541ACULL, 0x6F5FAEE4C61F773FULL, 0xA84E8CD83C212C8AULL, 0xEABE6D3395CB1A19ULL,
0x90C79D3FEDD3F122ULL, 0xD2377CD44439C7B1ULL, 0x15265EE8BE079C04ULL, 0x57D6BF0317EDAA97ULL,
0xD9F4FB7AE3911DFDULL, 0x9B041A914A7B2B6EULL, 0x5C1538ADB04570DBULL, 0x1EE5D94619AF4648ULL,
0x02A151B5F156289CULL, 0x4051B05E58BC1E0FULL, 0x87409262A28245BAULL, 0xC5B073890B687329ULL,
0x4B9237F0FF14C443ULL, 0x0962D61B56FEF2D0ULL, 0xCE73F427ACC0A965ULL, 0x8C8315CC052A9FF6ULL,
0x3A80143F5CF17F13ULL, 0x7870F5D4F51B4980ULL, 0xBF61D7E80F251235ULL, 0xFD913603A6CF24A6ULL,
0x73B3727A52B393CCULL, 0x31439391FB59A55FULL, 0xF652B1AD0167FEEAULL, 0xB4A25046A88DC879ULL,
0xA8E6D8B54074A6ADULL, 0xEA16395EE99E903EULL, 0x2D071B6213A0CB8BULL, 0x6FF7FA89BA4AFD18ULL,
0xE1D5BEF04E364A72ULL, 0xA3255F1BE7DC7CE1ULL, 0x64347D271DE22754ULL, 0x26C49CCCB40811C7ULL,
0x5CBD6CC0CC10FAFCULL, 0x1E4D8D2B65FACC6FULL, 0xD95CAF179FC497DAULL, 0x9BAC4EFC362EA149ULL,
0x158E0A85C2521623ULL, 0x577EEB6E6BB820B0ULL, 0x906FC95291867B05ULL, 0xD29F28B9386C4D96ULL,
0xCEDBA04AD0952342ULL, 0x8C2B41A1797F15D1ULL, 0x4B3A639D83414E64ULL, 0x09CA82762AAB78F7ULL,
0x87E8C60FDED7CF9DULL, 0xC51827E4773DF90EULL, 0x020905D88D03A2BBULL, 0x40F9E43324E99428ULL,
0x2CFFE7D5975E55E2ULL, 0x6E0F063E3EB46371ULL, 0xA91E2402C48A38C4ULL, 0xEBEEC5E96D600E57ULL,
0x65CC8190991CB93DULL, 0x273C607B30F68FAEULL, 0xE02D4247CAC8D41BULL, 0xA2DDA3AC6322E288ULL,
0xBE992B5F8BDB8C5CULL, 0xFC69CAB42231BACFULL, 0x3B78E888D80FE17AULL, 0x7988096371E5D7E9ULL,
0xF7AA4D1A85996083ULL, 0xB55AACF12C735610ULL, 0x724B8ECDD64D0DA5ULL, 0x30BB6F267FA73B36ULL,
0x4AC29F2A07BFD00DULL, 0x08327EC1AE55E69EULL, 0xCF235CFD546BBD2BULL, 0x8DD3BD16FD818BB8ULL,
0x03F1F96F09FD3CD2ULL, 0x41011884A0170A41ULL, 0x86103AB85A2951F4ULL, 0xC4E0DB53F3C36767ULL,
0xD8A453A01B3A09B3ULL, 0x9A54B24BB2D03F20ULL, 0x5D45907748EE6495ULL, 0x1FB5719CE1045206ULL,
0x919735E51578E56CULL, 0xD367D40EBC92D3FFULL, 0x1476F63246AC884AULL, 0x568617D9EF46BED9ULL,
0xE085162AB69D5E3CULL, 0xA275F7C11F7768AFULL, 0x6564D5FDE549331AULL, 0x279434164CA30589ULL,
0xA9B6706FB8DFB2E3ULL, 0xEB46918411358470ULL, 0x2C57B3B8EB0BDFC5ULL, 0x6EA7525342E1E956ULL,
0x72E3DAA0AA188782ULL, 0x30133B4B03F2B111ULL, 0xF7021977F9CCEAA4ULL, 0xB5F2F89C5026DC37ULL,
0x3BD0BCE5A45A6B5DULL, 0x79205D0E0DB05DCEULL, 0xBE317F32F78E067BULL, 0xFCC19ED95E6430E8ULL,
0x86B86ED5267CDBD3ULL, 0xC4488F3E8F96ED40ULL, 0x0359AD0275A8B6F5ULL, 0x41A94CE9DC428066ULL,
0xCF8B0890283E370CULL, 0x8D7BE97B81D4019FULL, 0x4A6ACB477BEA5A2AULL, 0x089A2AACD2006CB9ULL,
0x14DEA25F3AF9026DULL, 0x562E43B4931334FEULL, 0x913F6188692D6F4BULL, 0xD3CF8063C0C759D8ULL,
0x5DEDC41A34BBEEB2ULL, 0x1F1D25F19D51D821ULL, 0xD80C07CD676F8394ULL, 0x9AFCE626CE85B507ULL
};
}
void HashCRC64::Append(const UInt8* data, std::size_t len)
void CRC64Hash::Append(const UInt8* data, std::size_t len)
{
while (len--)
m_crc = crc64_table[(m_crc ^ *data++) & 0xFF] ^ (m_crc >> 8);
m_crc = (m_crc << 8) ^ crc64_table[((m_crc >> 56) ^ *data++) & 0xFF];
}
void HashCRC64::Begin()
void CRC64Hash::Begin()
{
m_crc = 0;
}
ByteArray HashCRC64::End()
ByteArray CRC64Hash::End()
{
#ifdef NAZARA_LITTLE_ENDIAN
SwapBytes(&m_crc, sizeof(UInt64));
@@ -103,12 +98,12 @@ namespace Nz
return ByteArray(reinterpret_cast<UInt8*>(&m_crc), 8);
}
std::size_t HashCRC64::GetDigestLength() const
std::size_t CRC64Hash::GetDigestLength() const
{
return 8;
}
const char* HashCRC64::GetHashName() const
const char* CRC64Hash::GetHashName() const
{
return "CRC64";
}

53
src/Nazara/Core/Hash/Fletcher16.cpp
View File

@@ -8,66 +8,51 @@
namespace Nz
{
struct HashFletcher16_state
void Fletcher16Hash::Append(const UInt8* data, std::size_t len)
{
UInt16 sum1;
UInt16 sum2;
};
HashFletcher16::HashFletcher16()
{
m_state = new HashFletcher16_state;
}
HashFletcher16::~HashFletcher16()
{
delete m_state;
}
void HashFletcher16::Append(const UInt8* data, std::size_t len)
{
while (len)
while (len > 0)
{
std::size_t tlen = std::min<std::size_t>(len, 21U);
std::size_t tlen = std::min<std::size_t>(len, 20U);
len -= tlen;
do
{
m_state->sum1 += *data++;
m_state->sum2 += m_state->sum1;
m_sum1 += *data++;
m_sum2 += m_sum1;
}
while (--tlen);
m_state->sum1 = (m_state->sum1 & 0xff) + (m_state->sum1 >> 8);
m_state->sum2 = (m_state->sum2 & 0xff) + (m_state->sum2 >> 8);
m_sum1 = (m_sum1 & 0xFF) + (m_sum1 >> 8);
m_sum2 = (m_sum2 & 0xFF) + (m_sum2 >> 8);
}
}
void HashFletcher16::Begin()
void Fletcher16Hash::Begin()
{
m_state->sum1 = 0xff;
m_state->sum2 = 0xff;
m_sum1 = 0xFF;
m_sum2 = 0xFF;
}
ByteArray HashFletcher16::End()
ByteArray Fletcher16Hash::End()
{
m_state->sum1 = (m_state->sum1 & 0xff) + (m_state->sum1 >> 8);
m_state->sum2 = (m_state->sum2 & 0xff) + (m_state->sum2 >> 8);
m_sum1 = (m_sum1 & 0xFF) + (m_sum1 >> 8);
m_sum2 = (m_sum2 & 0xFF) + (m_sum2 >> 8);
UInt32 fletcher = (m_state->sum2 << 8) | m_state->sum1;
UInt16 fletcher = (m_sum2 << 8) | m_sum1;
#ifdef NAZARA_BIG_ENDIAN
SwapBytes(&fletcher, sizeof(UInt32));
#ifdef NAZARA_LITTLE_ENDIAN
fletcher = SwapBytes(fletcher);
#endif
return ByteArray(reinterpret_cast<UInt8*>(&fletcher), 2);
}
std::size_t HashFletcher16::GetDigestLength() const
std::size_t Fletcher16Hash::GetDigestLength() const
{
return 2;
}
const char* HashFletcher16::GetHashName() const
const char* Fletcher16Hash::GetHashName() const
{
return "Fletcher16";
}

380
src/Nazara/Core/Hash/MD5.cpp
View File

@@ -99,233 +99,55 @@
namespace Nz
{
struct HashMD5_state
{
std::size_t count[2]; /* message length in bits, lsw first */
UInt32 abcd[4]; /* digest buffer */
UInt8 buf[64]; /* accumulate block */
};
namespace
{
void md5_process(HashMD5_state* state, const UInt8* data)
{
UInt32 a = state->abcd[0];
UInt32 b = state->abcd[1];
UInt32 c = state->abcd[2];
UInt32 d = state->abcd[3];
UInt32 t;
#ifdef NAZARA_BIG_ENDIAN
/* Define storage only for big-endian CPUs. */
UInt32 X[16];
/*
* On big-endian machines, we must arrange the bytes in the
* right order.
*/
const UInt8* xp = data;
int i;
for (i = 0; i < 16; ++i, xp += 4)
X[i] = xp[0] + (xp[1] << 8) + (xp[2] << 16) + (xp[3] << 24);
#else
/* Define storage for little-endian or both types of CPUs. */
UInt32 xbuf[16];
const UInt32* X;
/*
* On little-endian machines, we can process properly aligned
* data without copying it.
*/
if (!((data - static_cast<const UInt8*>(nullptr)) & 3))
{
/* data are properly aligned */
X = reinterpret_cast<const UInt32*>(data);
}
else
{
/* not aligned */
std::memcpy(xbuf, data, 64);
X = xbuf;
}
#endif
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
/* Round 1. */
/* Let [abcd k s i] denote the operation
a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
#define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
#define SET(a, b, c, d, k, s, Ti)\
t = a + F(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 0, 7, T1);
SET(d, a, b, c, 1, 12, T2);
SET(c, d, a, b, 2, 17, T3);
SET(b, c, d, a, 3, 22, T4);
SET(a, b, c, d, 4, 7, T5);
SET(d, a, b, c, 5, 12, T6);
SET(c, d, a, b, 6, 17, T7);
SET(b, c, d, a, 7, 22, T8);
SET(a, b, c, d, 8, 7, T9);
SET(d, a, b, c, 9, 12, T10);
SET(c, d, a, b, 10, 17, T11);
SET(b, c, d, a, 11, 22, T12);
SET(a, b, c, d, 12, 7, T13);
SET(d, a, b, c, 13, 12, T14);
SET(c, d, a, b, 14, 17, T15);
SET(b, c, d, a, 15, 22, T16);
#undef SET
/* Round 2. */
/* Let [abcd k s i] denote the operation
a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
#define G(x, y, z) (((x) & (z)) | ((y) & ~(z)))
#define SET(a, b, c, d, k, s, Ti)\
t = a + G(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 1, 5, T17);
SET(d, a, b, c, 6, 9, T18);
SET(c, d, a, b, 11, 14, T19);
SET(b, c, d, a, 0, 20, T20);
SET(a, b, c, d, 5, 5, T21);
SET(d, a, b, c, 10, 9, T22);
SET(c, d, a, b, 15, 14, T23);
SET(b, c, d, a, 4, 20, T24);
SET(a, b, c, d, 9, 5, T25);
SET(d, a, b, c, 14, 9, T26);
SET(c, d, a, b, 3, 14, T27);
SET(b, c, d, a, 8, 20, T28);
SET(a, b, c, d, 13, 5, T29);
SET(d, a, b, c, 2, 9, T30);
SET(c, d, a, b, 7, 14, T31);
SET(b, c, d, a, 12, 20, T32);
#undef SET
/* Round 3. */
/* Let [abcd k s t] denote the operation
a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define SET(a, b, c, d, k, s, Ti)\
t = a + H(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 5, 4, T33);
SET(d, a, b, c, 8, 11, T34);
SET(c, d, a, b, 11, 16, T35);
SET(b, c, d, a, 14, 23, T36);
SET(a, b, c, d, 1, 4, T37);
SET(d, a, b, c, 4, 11, T38);
SET(c, d, a, b, 7, 16, T39);
SET(b, c, d, a, 10, 23, T40);
SET(a, b, c, d, 13, 4, T41);
SET(d, a, b, c, 0, 11, T42);
SET(c, d, a, b, 3, 16, T43);
SET(b, c, d, a, 6, 23, T44);
SET(a, b, c, d, 9, 4, T45);
SET(d, a, b, c, 12, 11, T46);
SET(c, d, a, b, 15, 16, T47);
SET(b, c, d, a, 2, 23, T48);
#undef SET
/* Round 4. */
/* Let [abcd k s t] denote the operation
a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
#define I(x, y, z) ((y) ^ ((x) | ~(z)))
#define SET(a, b, c, d, k, s, Ti)\
t = a + I(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 0, 6, T49);
SET(d, a, b, c, 7, 10, T50);
SET(c, d, a, b, 14, 15, T51);
SET(b, c, d, a, 5, 21, T52);
SET(a, b, c, d, 12, 6, T53);
SET(d, a, b, c, 3, 10, T54);
SET(c, d, a, b, 10, 15, T55);
SET(b, c, d, a, 1, 21, T56);
SET(a, b, c, d, 8, 6, T57);
SET(d, a, b, c, 15, 10, T58);
SET(c, d, a, b, 6, 15, T59);
SET(b, c, d, a, 13, 21, T60);
SET(a, b, c, d, 4, 6, T61);
SET(d, a, b, c, 11, 10, T62);
SET(c, d, a, b, 2, 15, T63);
SET(b, c, d, a, 9, 21, T64);
#undef SET
/* Then perform the following additions. (That is increment each
of the four registers by the value it had before this block
was started.) */
state->abcd[0] += a;
state->abcd[1] += b;
state->abcd[2] += c;
state->abcd[3] += d;
}
}
HashMD5::HashMD5()
{
m_state = new HashMD5_state;
}
HashMD5::~HashMD5()
{
delete m_state;
}
void HashMD5::Append(const UInt8* data, std::size_t len)
void MD5Hash::Append(const UInt8* data, std::size_t len)
{
const UInt8 *p = data;
std::size_t left = len;
int offset = (m_state->count[0] >> 3) & 63;
int offset = (m_count[0] >> 3) & 63;
std::size_t nbits = len << 3;
if (len <= 0)
return;
/* Update the message length. */
m_state->count[1] += len >> 29;
m_state->count[0] += nbits;
if (m_state->count[0] < nbits)
m_state->count[1]++;
m_count[1] += len >> 29;
m_count[0] += nbits;
if (m_count[0] < nbits)
m_count[1]++;
/* Process an initial partial block. */
if (offset)
{
std::size_t copy = (offset + len > 64 ? 64 - offset : len);
std::memcpy(m_state->buf + offset, p, copy);
std::memcpy(m_buf + offset, p, copy);
if (offset + copy < 64)
return;
p += copy;
left -= copy;
md5_process(m_state, m_state->buf);
md5_process(m_buf);
}
/* Process full blocks. */
for (; left >= 64; p += 64, left -= 64)
md5_process(m_state, p);
md5_process(p);
/* Process a final partial block. */
if (left)
std::memcpy(m_state->buf, p, left);
std::memcpy(m_buf, p, left);
}
void HashMD5::Begin()
void MD5Hash::Begin()
{
m_state->count[0] = m_state->count[1] = 0;
m_state->abcd[0] = 0x67452301;
m_state->abcd[1] = /*0xefcdab89*/ T_MASK ^ 0x10325476;
m_state->abcd[2] = /*0x98badcfe*/ T_MASK ^ 0x67452301;
m_state->abcd[3] = 0x10325476;
m_count[0] = m_count[1] = 0;
m_abcd[0] = 0x67452301;
m_abcd[1] = /*0xefcdab89*/ T_MASK ^ 0x10325476;
m_abcd[2] = /*0x98badcfe*/ T_MASK ^ 0x67452301;
m_abcd[3] = 0x10325476;
}
ByteArray HashMD5::End()
ByteArray MD5Hash::End()
{
static const unsigned char pad[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -339,26 +161,184 @@ namespace Nz
/* Save the length before padding. */
for (i = 0; i < 8; ++i)
data[i] = static_cast<UInt8>(m_state->count[i >> 2] >> ((i & 3) << 3));
data[i] = static_cast<UInt8>(m_count[i >> 2] >> ((i & 3) << 3));
/* Pad to 56 bytes mod 64. */
Append(pad, ((55 - (m_state->count[0] >> 3)) & 63) + 1);
Append(pad, ((55 - (m_count[0] >> 3)) & 63) + 1);
/* Append the length. */
Append(data, 8);
UInt8 digest[16];
for (i = 0; i < 16; ++i)
digest[i] = static_cast<UInt8>(m_state->abcd[i >> 2] >> ((i & 3) << 3));
digest[i] = static_cast<UInt8>(m_abcd[i >> 2] >> ((i & 3) << 3));
return ByteArray(&digest[0], 16);
}
std::size_t HashMD5::GetDigestLength() const
std::size_t MD5Hash::GetDigestLength() const
{
return 16;
}
const char* HashMD5::GetHashName() const
const char* MD5Hash::GetHashName() const
{
return "MD5";
}
void MD5Hash::md5_process(const UInt8* data)
{
UInt32 a = m_abcd[0];
UInt32 b = m_abcd[1];
UInt32 c = m_abcd[2];
UInt32 d = m_abcd[3];
UInt32 t;
#ifdef NAZARA_BIG_ENDIAN
/* Define storage only for big-endian CPUs. */
UInt32 X[16];
/*
* On big-endian machines, we must arrange the bytes in the
* right order.
*/
const UInt8* xp = data;
int i;
for (i = 0; i < 16; ++i, xp += 4)
X[i] = xp[0] + (xp[1] << 8) + (xp[2] << 16) + (xp[3] << 24);
#else
/* Define storage for little-endian or both types of CPUs. */
UInt32 xbuf[16];
const UInt32* X;
/*
* On little-endian machines, we can process properly aligned
* data without copying it.
*/
if (!((data - static_cast<const UInt8*>(nullptr)) & 3))
{
/* data are properly aligned */
X = reinterpret_cast<const UInt32*>(data);
}
else
{
/* not aligned */
std::memcpy(xbuf, data, 64);
X = xbuf;
}
#endif
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
/* Round 1. */
/* Let [abcd k s i] denote the operation
a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
#define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
#define SET(a, b, c, d, k, s, Ti)\
t = a + F(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 0, 7, T1);
SET(d, a, b, c, 1, 12, T2);
SET(c, d, a, b, 2, 17, T3);
SET(b, c, d, a, 3, 22, T4);
SET(a, b, c, d, 4, 7, T5);
SET(d, a, b, c, 5, 12, T6);
SET(c, d, a, b, 6, 17, T7);
SET(b, c, d, a, 7, 22, T8);
SET(a, b, c, d, 8, 7, T9);
SET(d, a, b, c, 9, 12, T10);
SET(c, d, a, b, 10, 17, T11);
SET(b, c, d, a, 11, 22, T12);
SET(a, b, c, d, 12, 7, T13);
SET(d, a, b, c, 13, 12, T14);
SET(c, d, a, b, 14, 17, T15);
SET(b, c, d, a, 15, 22, T16);
#undef SET
/* Round 2. */
/* Let [abcd k s i] denote the operation
a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
#define G(x, y, z) (((x) & (z)) | ((y) & ~(z)))
#define SET(a, b, c, d, k, s, Ti)\
t = a + G(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 1, 5, T17);
SET(d, a, b, c, 6, 9, T18);
SET(c, d, a, b, 11, 14, T19);
SET(b, c, d, a, 0, 20, T20);
SET(a, b, c, d, 5, 5, T21);
SET(d, a, b, c, 10, 9, T22);
SET(c, d, a, b, 15, 14, T23);
SET(b, c, d, a, 4, 20, T24);
SET(a, b, c, d, 9, 5, T25);
SET(d, a, b, c, 14, 9, T26);
SET(c, d, a, b, 3, 14, T27);
SET(b, c, d, a, 8, 20, T28);
SET(a, b, c, d, 13, 5, T29);
SET(d, a, b, c, 2, 9, T30);
SET(c, d, a, b, 7, 14, T31);
SET(b, c, d, a, 12, 20, T32);
#undef SET
/* Round 3. */
/* Let [abcd k s t] denote the operation
a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define SET(a, b, c, d, k, s, Ti)\
t = a + H(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 5, 4, T33);
SET(d, a, b, c, 8, 11, T34);
SET(c, d, a, b, 11, 16, T35);
SET(b, c, d, a, 14, 23, T36);
SET(a, b, c, d, 1, 4, T37);
SET(d, a, b, c, 4, 11, T38);
SET(c, d, a, b, 7, 16, T39);
SET(b, c, d, a, 10, 23, T40);
SET(a, b, c, d, 13, 4, T41);
SET(d, a, b, c, 0, 11, T42);
SET(c, d, a, b, 3, 16, T43);
SET(b, c, d, a, 6, 23, T44);
SET(a, b, c, d, 9, 4, T45);
SET(d, a, b, c, 12, 11, T46);
SET(c, d, a, b, 15, 16, T47);
SET(b, c, d, a, 2, 23, T48);
#undef SET
/* Round 4. */
/* Let [abcd k s t] denote the operation
a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
#define I(x, y, z) ((y) ^ ((x) | ~(z)))
#define SET(a, b, c, d, k, s, Ti)\
t = a + I(b,c,d) + X[k] + Ti;\
a = ROTATE_LEFT(t, s) + b
/* Do the following 16 operations. */
SET(a, b, c, d, 0, 6, T49);
SET(d, a, b, c, 7, 10, T50);
SET(c, d, a, b, 14, 15, T51);
SET(b, c, d, a, 5, 21, T52);
SET(a, b, c, d, 12, 6, T53);
SET(d, a, b, c, 3, 10, T54);
SET(c, d, a, b, 10, 15, T55);
SET(b, c, d, a, 1, 21, T56);
SET(a, b, c, d, 8, 6, T57);
SET(d, a, b, c, 15, 10, T58);
SET(c, d, a, b, 6, 15, T59);
SET(b, c, d, a, 13, 21, T60);
SET(a, b, c, d, 4, 6, T61);
SET(d, a, b, c, 11, 10, T62);
SET(c, d, a, b, 2, 15, T63);
SET(b, c, d, a, 9, 21, T64);
#undef SET
/* Then perform the following additions. (That is increment each
of the four registers by the value it had before this block
was started.) */
m_abcd[0] += a;
m_abcd[1] += b;
m_abcd[2] += c;
m_abcd[3] += d;
}
}

14
src/Nazara/Core/Hash/SHA1.cpp
View File

@@ -8,27 +8,27 @@
namespace Nz
{
HashSHA1::HashSHA1()
SHA1Hash::SHA1Hash()
{
m_state = new SHA_CTX;
}
HashSHA1::~HashSHA1()
SHA1Hash::~SHA1Hash()
{
delete m_state;
}
void HashSHA1::Append(const UInt8* data, std::size_t len)
void SHA1Hash::Append(const UInt8* data, std::size_t len)
{
SHA1_Update(m_state, data, len);
}
void HashSHA1::Begin()
void SHA1Hash::Begin()
{
SHA1_Init(m_state);
}
ByteArray HashSHA1::End()
ByteArray SHA1Hash::End()
{
UInt8 digest[SHA1_DIGEST_LENGTH];
@@ -37,12 +37,12 @@ namespace Nz
return ByteArray(digest, SHA1_DIGEST_LENGTH);
}
std::size_t HashSHA1::GetDigestLength() const
std::size_t SHA1Hash::GetDigestLength() const
{
return SHA1_DIGEST_LENGTH;
}
const char* HashSHA1::GetHashName() const
const char* SHA1Hash::GetHashName() const
{
return "SHA1";
}

14
src/Nazara/Core/Hash/SHA224.cpp
View File

@@ -8,27 +8,27 @@
namespace Nz
{
HashSHA224::HashSHA224()
SHA224Hash::SHA224Hash()
{
m_state = new SHA_CTX;
}
HashSHA224::~HashSHA224()
SHA224Hash::~SHA224Hash()
{
delete m_state;
}
void HashSHA224::Append(const UInt8* data, std::size_t len)
void SHA224Hash::Append(const UInt8* data, std::size_t len)
{
SHA224_Update(m_state, data, len);
}
void HashSHA224::Begin()
void SHA224Hash::Begin()
{
SHA224_Init(m_state);
}
ByteArray HashSHA224::End()
ByteArray SHA224Hash::End()
{
UInt8 digest[SHA224_DIGEST_LENGTH];
@@ -37,12 +37,12 @@ namespace Nz
return ByteArray(digest, SHA224_DIGEST_LENGTH);
}
std::size_t HashSHA224::GetDigestLength() const
std::size_t SHA224Hash::GetDigestLength() const
{
return SHA224_DIGEST_LENGTH;
}
const char* HashSHA224::GetHashName() const
const char* SHA224Hash::GetHashName() const
{
return "SHA224";
}

14
src/Nazara/Core/Hash/SHA256.cpp
View File

@@ -8,27 +8,27 @@
namespace Nz
{
HashSHA256::HashSHA256()
SHA256Hash::SHA256Hash()
{
m_state = new SHA_CTX;
}
HashSHA256::~HashSHA256()
SHA256Hash::~SHA256Hash()
{
delete m_state;
}
void HashSHA256::Append(const UInt8* data, std::size_t len)
void SHA256Hash::Append(const UInt8* data, std::size_t len)
{
SHA256_Update(m_state, data, len);
}
void HashSHA256::Begin()
void SHA256Hash::Begin()
{
SHA256_Init(m_state);
}
ByteArray HashSHA256::End()
ByteArray SHA256Hash::End()
{
UInt8 digest[SHA256_DIGEST_LENGTH];
@@ -37,12 +37,12 @@ namespace Nz
return ByteArray(digest, SHA256_DIGEST_LENGTH);
}
std::size_t HashSHA256::GetDigestLength() const
std::size_t SHA256Hash::GetDigestLength() const
{
return SHA256_DIGEST_LENGTH;
}
const char* HashSHA256::GetHashName() const
const char* SHA256Hash::GetHashName() const
{
return "SHA256";
}

14
src/Nazara/Core/Hash/SHA384.cpp
View File

@@ -8,27 +8,27 @@
namespace Nz
{
HashSHA384::HashSHA384()
SHA384Hash::SHA384Hash()
{
m_state = new SHA_CTX;
}
HashSHA384::~HashSHA384()
SHA384Hash::~SHA384Hash()
{
delete m_state;
}
void HashSHA384::Append(const UInt8* data, std::size_t len)
void SHA384Hash::Append(const UInt8* data, std::size_t len)
{
SHA384_Update(m_state, data, len);
}
void HashSHA384::Begin()
void SHA384Hash::Begin()
{
SHA384_Init(m_state);
}
ByteArray HashSHA384::End()
ByteArray SHA384Hash::End()
{
UInt8 digest[SHA384_DIGEST_LENGTH];
@@ -37,12 +37,12 @@ namespace Nz
return ByteArray(digest, SHA384_DIGEST_LENGTH);
}
std::size_t HashSHA384::GetDigestLength() const
std::size_t SHA384Hash::GetDigestLength() const
{
return SHA384_DIGEST_LENGTH;
}
const char* HashSHA384::GetHashName() const
const char* SHA384Hash::GetHashName() const
{
return "SHA384";
}

14
src/Nazara/Core/Hash/SHA512.cpp
View File

@@ -8,27 +8,27 @@
namespace Nz
{
HashSHA512::HashSHA512()
SHA512Hash::SHA512Hash()
{
m_state = new SHA_CTX;
}
HashSHA512::~HashSHA512()
SHA512Hash::~SHA512Hash()
{
delete m_state;
}
void HashSHA512::Append(const UInt8* data, std::size_t len)
void SHA512Hash::Append(const UInt8* data, std::size_t len)
{
SHA512_Update(m_state, data, len);
}
void HashSHA512::Begin()
void SHA512Hash::Begin()
{
SHA512_Init(m_state);
}
ByteArray HashSHA512::End()
ByteArray SHA512Hash::End()
{
UInt8 digest[SHA512_DIGEST_LENGTH];
@@ -37,12 +37,12 @@ namespace Nz
return ByteArray(digest, SHA512_DIGEST_LENGTH);
}
std::size_t HashSHA512::GetDigestLength() const
std::size_t SHA512Hash::GetDigestLength() const
{
return SHA512_DIGEST_LENGTH;
}
const char* HashSHA512::GetHashName() const
const char* SHA512Hash::GetHashName() const
{
return "SHA512";
}

1599
src/Nazara/Core/Hash/Whirlpool.cpp
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