23486908132

Committed 24 Mar 2026 10:53AM UTC coverage: 89.449% (-2.4%) from 91.889%

Build # 23486908132

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #5479 from randombit/jack/aria-hwaes

Add ARIA implementation using hardware AES instructions

Coverage Stats

105058 of 117450 relevant lines covered (89.45%)

11951797.05 hits per line

Source File
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97.75

/src/lib/block/seed/seed.cpp

/*
* SEED
* (C) 1999-2007,2020 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/internal/seed.h>

#include <botan/internal/loadstor.h>
#include <botan/internal/prefetch.h>

#if defined(BOTAN_HAS_CPUID)
   #include <botan/internal/cpuid.h>
#endif

namespace Botan {

namespace {

alignas(256) const uint8_t SEED_S0[256] = {
   0xA9, 0x85, 0xD6, 0xD3, 0x54, 0x1D, 0xAC, 0x25, 0x5D, 0x43, 0x18, 0x1E, 0x51, 0xFC, 0xCA, 0x63, 0x28, 0x44, 0x20,
   0x9D, 0xE0, 0xE2, 0xC8, 0x17, 0xA5, 0x8F, 0x03, 0x7B, 0xBB, 0x13, 0xD2, 0xEE, 0x70, 0x8C, 0x3F, 0xA8, 0x32, 0xDD,
   0xF6, 0x74, 0xEC, 0x95, 0x0B, 0x57, 0x5C, 0x5B, 0xBD, 0x01, 0x24, 0x1C, 0x73, 0x98, 0x10, 0xCC, 0xF2, 0xD9, 0x2C,
   0xE7, 0x72, 0x83, 0x9B, 0xD1, 0x86, 0xC9, 0x60, 0x50, 0xA3, 0xEB, 0x0D, 0xB6, 0x9E, 0x4F, 0xB7, 0x5A, 0xC6, 0x78,
   0xA6, 0x12, 0xAF, 0xD5, 0x61, 0xC3, 0xB4, 0x41, 0x52, 0x7D, 0x8D, 0x08, 0x1F, 0x99, 0x00, 0x19, 0x04, 0x53, 0xF7,
   0xE1, 0xFD, 0x76, 0x2F, 0x27, 0xB0, 0x8B, 0x0E, 0xAB, 0xA2, 0x6E, 0x93, 0x4D, 0x69, 0x7C, 0x09, 0x0A, 0xBF, 0xEF,
   0xF3, 0xC5, 0x87, 0x14, 0xFE, 0x64, 0xDE, 0x2E, 0x4B, 0x1A, 0x06, 0x21, 0x6B, 0x66, 0x02, 0xF5, 0x92, 0x8A, 0x0C,
   0xB3, 0x7E, 0xD0, 0x7A, 0x47, 0x96, 0xE5, 0x26, 0x80, 0xAD, 0xDF, 0xA1, 0x30, 0x37, 0xAE, 0x36, 0x15, 0x22, 0x38,
   0xF4, 0xA7, 0x45, 0x4C, 0x81, 0xE9, 0x84, 0x97, 0x35, 0xCB, 0xCE, 0x3C, 0x71, 0x11, 0xC7, 0x89, 0x75, 0xFB, 0xDA,
   0xF8, 0x94, 0x59, 0x82, 0xC4, 0xFF, 0x49, 0x39, 0x67, 0xC0, 0xCF, 0xD7, 0xB8, 0x0F, 0x8E, 0x42, 0x23, 0x91, 0x6C,
   0xDB, 0xA4, 0x34, 0xF1, 0x48, 0xC2, 0x6F, 0x3D, 0x2D, 0x40, 0xBE, 0x3E, 0xBC, 0xC1, 0xAA, 0xBA, 0x4E, 0x55, 0x3B,
   0xDC, 0x68, 0x7F, 0x9C, 0xD8, 0x4A, 0x56, 0x77, 0xA0, 0xED, 0x46, 0xB5, 0x2B, 0x65, 0xFA, 0xE3, 0xB9, 0xB1, 0x9F,
   0x5E, 0xF9, 0xE6, 0xB2, 0x31, 0xEA, 0x6D, 0x5F, 0xE4, 0xF0, 0xCD, 0x88, 0x16, 0x3A, 0x58, 0xD4, 0x62, 0x29, 0x07,
   0x33, 0xE8, 0x1B, 0x05, 0x79, 0x90, 0x6A, 0x2A, 0x9A,
};

alignas(256) const uint8_t SEED_S1[256] = {
   0x38, 0xE8, 0x2D, 0xA6, 0xCF, 0xDE, 0xB3, 0xB8, 0xAF, 0x60, 0x55, 0xC7, 0x44, 0x6F, 0x6B, 0x5B, 0xC3, 0x62, 0x33,
   0xB5, 0x29, 0xA0, 0xE2, 0xA7, 0xD3, 0x91, 0x11, 0x06, 0x1C, 0xBC, 0x36, 0x4B, 0xEF, 0x88, 0x6C, 0xA8, 0x17, 0xC4,
   0x16, 0xF4, 0xC2, 0x45, 0xE1, 0xD6, 0x3F, 0x3D, 0x8E, 0x98, 0x28, 0x4E, 0xF6, 0x3E, 0xA5, 0xF9, 0x0D, 0xDF, 0xD8,
   0x2B, 0x66, 0x7A, 0x27, 0x2F, 0xF1, 0x72, 0x42, 0xD4, 0x41, 0xC0, 0x73, 0x67, 0xAC, 0x8B, 0xF7, 0xAD, 0x80, 0x1F,
   0xCA, 0x2C, 0xAA, 0x34, 0xD2, 0x0B, 0xEE, 0xE9, 0x5D, 0x94, 0x18, 0xF8, 0x57, 0xAE, 0x08, 0xC5, 0x13, 0xCD, 0x86,
   0xB9, 0xFF, 0x7D, 0xC1, 0x31, 0xF5, 0x8A, 0x6A, 0xB1, 0xD1, 0x20, 0xD7, 0x02, 0x22, 0x04, 0x68, 0x71, 0x07, 0xDB,
   0x9D, 0x99, 0x61, 0xBE, 0xE6, 0x59, 0xDD, 0x51, 0x90, 0xDC, 0x9A, 0xA3, 0xAB, 0xD0, 0x81, 0x0F, 0x47, 0x1A, 0xE3,
   0xEC, 0x8D, 0xBF, 0x96, 0x7B, 0x5C, 0xA2, 0xA1, 0x63, 0x23, 0x4D, 0xC8, 0x9E, 0x9C, 0x3A, 0x0C, 0x2E, 0xBA, 0x6E,
   0x9F, 0x5A, 0xF2, 0x92, 0xF3, 0x49, 0x78, 0xCC, 0x15, 0xFB, 0x70, 0x75, 0x7F, 0x35, 0x10, 0x03, 0x64, 0x6D, 0xC6,
   0x74, 0xD5, 0xB4, 0xEA, 0x09, 0x76, 0x19, 0xFE, 0x40, 0x12, 0xE0, 0xBD, 0x05, 0xFA, 0x01, 0xF0, 0x2A, 0x5E, 0xA9,
   0x56, 0x43, 0x85, 0x14, 0x89, 0x9B, 0xB0, 0xE5, 0x48, 0x79, 0x97, 0xFC, 0x1E, 0x82, 0x21, 0x8C, 0x1B, 0x5F, 0x77,
   0x54, 0xB2, 0x1D, 0x25, 0x4F, 0x00, 0x46, 0xED, 0x58, 0x52, 0xEB, 0x7E, 0xDA, 0xC9, 0xFD, 0x30, 0x95, 0x65, 0x3C,
   0xB6, 0xE4, 0xBB, 0x7C, 0x0E, 0x50, 0x39, 0x26, 0x32, 0x84, 0x69, 0x93, 0x37, 0xE7, 0x24, 0xA4, 0xCB, 0x53, 0x0A,
   0x87, 0xD9, 0x4C, 0x83, 0x8F, 0xCE, 0x3B, 0x4A, 0xB7,
};

/*
* SEED G Function
*/
BOTAN_FORCE_INLINE uint32_t SEED_G(uint32_t X) {
   const uint32_t M = 0x01010101;
   const uint32_t s0 = M * SEED_S0[get_byte<3>(X)];
   const uint32_t s1 = M * SEED_S1[get_byte<2>(X)];
   const uint32_t s2 = M * SEED_S0[get_byte<1>(X)];
   const uint32_t s3 = M * SEED_S1[get_byte<0>(X)];

   const uint32_t M0 = 0x3FCFF3FC;
   const uint32_t M1 = 0xFC3FCFF3;
   const uint32_t M2 = 0xF3FC3FCF;
   const uint32_t M3 = 0xCFF3FC3F;

   return (s0 & M0) ^ (s1 & M1) ^ (s2 & M2) ^ (s3 & M3);
}

}  // namespace

/*
* SEED Encryption
*/
void SEED::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
   assert_key_material_set();

#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
   if(CPUID::has(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {
      return avx512_gfni_encrypt(in, out, blocks);
   }
#endif

#if defined(BOTAN_HAS_SEED_HWAES)
   if(CPUID::has(CPUID::Feature::HW_AES)) {
      return hwaes_encrypt(in, out, blocks);
   }
#endif

   prefetch_arrays(SEED_S0, SEED_S1);

   while(blocks >= 2) {
      uint32_t B00 = load_be<uint32_t>(in, 0);
      uint32_t B01 = load_be<uint32_t>(in, 1);
      uint32_t B02 = load_be<uint32_t>(in, 2);
      uint32_t B03 = load_be<uint32_t>(in, 3);
      uint32_t B10 = load_be<uint32_t>(in, 4);
      uint32_t B11 = load_be<uint32_t>(in, 5);
      uint32_t B12 = load_be<uint32_t>(in, 6);
      uint32_t B13 = load_be<uint32_t>(in, 7);

      for(size_t j = 0; j != 16; j += 2) {
         uint32_t T00 = B02 ^ m_K[2 * j];
         uint32_t T10 = B12 ^ m_K[2 * j];
         uint32_t T01 = SEED_G(B02 ^ B03 ^ m_K[2 * j + 1]);
         uint32_t T11 = SEED_G(B12 ^ B13 ^ m_K[2 * j + 1]);
         T00 = SEED_G(T01 + T00);
         T10 = SEED_G(T11 + T10);
         T01 = SEED_G(T01 + T00);
         T11 = SEED_G(T11 + T10);
         B01 ^= T01;
         B11 ^= T11;
         B00 ^= T00 + T01;
         B10 ^= T10 + T11;

         T00 = B00 ^ m_K[2 * j + 2];
         T10 = B10 ^ m_K[2 * j + 2];
         T01 = SEED_G(B00 ^ B01 ^ m_K[2 * j + 3]);
         T11 = SEED_G(B10 ^ B11 ^ m_K[2 * j + 3]);
         T10 = SEED_G(T11 + T10);
         T00 = SEED_G(T01 + T00);
         T01 = SEED_G(T01 + T00);
         T11 = SEED_G(T11 + T10);
         B03 ^= T01;
         B13 ^= T11;
         B02 ^= T00 + T01;
         B12 ^= T10 + T11;
      }

      store_be(out, B02, B03, B00, B01, B12, B13, B10, B11);

      in += 2 * BLOCK_SIZE;
      out += 2 * BLOCK_SIZE;

      blocks -= 2;
   }

   for(size_t i = 0; i != blocks; ++i) {
      uint32_t B0 = load_be<uint32_t>(in, 0);
      uint32_t B1 = load_be<uint32_t>(in, 1);
      uint32_t B2 = load_be<uint32_t>(in, 2);
      uint32_t B3 = load_be<uint32_t>(in, 3);

      for(size_t j = 0; j != 16; j += 2) {
         uint32_t T0 = B2 ^ m_K[2 * j];
         uint32_t T1 = SEED_G(B2 ^ B3 ^ m_K[2 * j + 1]);
         T0 = SEED_G(T1 + T0);
         T1 = SEED_G(T1 + T0);
         B1 ^= T1;
         B0 ^= T0 + T1;

         T0 = B0 ^ m_K[2 * j + 2];
         T1 = SEED_G(B0 ^ B1 ^ m_K[2 * j + 3]);
         T0 = SEED_G(T1 + T0);
         T1 = SEED_G(T1 + T0);
         B3 ^= T1;
         B2 ^= T0 + T1;
      }

      store_be(out, B2, B3, B0, B1);

      in += BLOCK_SIZE;
      out += BLOCK_SIZE;
   }
}

/*
* SEED Decryption
*/
void SEED::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {
   assert_key_material_set();

#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
   if(CPUID::has(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {
      return avx512_gfni_decrypt(in, out, blocks);
   }
#endif

#if defined(BOTAN_HAS_SEED_HWAES)
   if(CPUID::has(CPUID::Feature::HW_AES)) {
      return hwaes_decrypt(in, out, blocks);
   }
#endif

   prefetch_arrays(SEED_S0, SEED_S1);

   while(blocks >= 2) {
      uint32_t B00 = load_be<uint32_t>(in, 0);
      uint32_t B01 = load_be<uint32_t>(in, 1);
      uint32_t B02 = load_be<uint32_t>(in, 2);
      uint32_t B03 = load_be<uint32_t>(in, 3);
      uint32_t B10 = load_be<uint32_t>(in, 4);
      uint32_t B11 = load_be<uint32_t>(in, 5);
      uint32_t B12 = load_be<uint32_t>(in, 6);
      uint32_t B13 = load_be<uint32_t>(in, 7);

      for(size_t j = 0; j != 16; j += 2) {
         uint32_t T00 = B02 ^ m_K[30 - 2 * j];
         uint32_t T10 = B12 ^ m_K[30 - 2 * j];
         uint32_t T01 = SEED_G(B02 ^ B03 ^ m_K[31 - 2 * j]);
         uint32_t T11 = SEED_G(B12 ^ B13 ^ m_K[31 - 2 * j]);
         T00 = SEED_G(T01 + T00);
         T10 = SEED_G(T11 + T10);
         T01 = SEED_G(T01 + T00);
         T11 = SEED_G(T11 + T10);
         B01 ^= T01;
         B11 ^= T11;
         B00 ^= T00 + T01;
         B10 ^= T10 + T11;

         T00 = B00 ^ m_K[28 - 2 * j];
         T10 = B10 ^ m_K[28 - 2 * j];
         T01 = SEED_G(B00 ^ B01 ^ m_K[29 - 2 * j]);
         T11 = SEED_G(B10 ^ B11 ^ m_K[29 - 2 * j]);
         T00 = SEED_G(T01 + T00);
         T10 = SEED_G(T11 + T10);
         T01 = SEED_G(T01 + T00);
         T11 = SEED_G(T11 + T10);
         B03 ^= T01;
         B13 ^= T11;
         B02 ^= T00 + T01;
         B12 ^= T10 + T11;
      }

      store_be(out, B02, B03, B00, B01, B12, B13, B10, B11);

      in += 2 * BLOCK_SIZE;
      out += 2 * BLOCK_SIZE;
      blocks -= 2;
   }

   for(size_t i = 0; i != blocks; ++i) {
      uint32_t B0 = load_be<uint32_t>(in, 0);
      uint32_t B1 = load_be<uint32_t>(in, 1);
      uint32_t B2 = load_be<uint32_t>(in, 2);
      uint32_t B3 = load_be<uint32_t>(in, 3);

      for(size_t j = 0; j != 16; j += 2) {
         uint32_t T0 = B2 ^ m_K[30 - 2 * j];
         uint32_t T1 = SEED_G(B2 ^ B3 ^ m_K[31 - 2 * j]);
         T0 = SEED_G(T1 + T0);
         T1 = SEED_G(T1 + T0);
         B1 ^= T1;
         B0 ^= T0 + T1;

         T0 = B0 ^ m_K[28 - 2 * j];
         T1 = SEED_G(B0 ^ B1 ^ m_K[29 - 2 * j]);
         T0 = SEED_G(T1 + T0);
         T1 = SEED_G(T1 + T0);
         B3 ^= T1;
         B2 ^= T0 + T1;
      }

      store_be(out, B2, B3, B0, B1);

      in += BLOCK_SIZE;
      out += BLOCK_SIZE;
   }
}

bool SEED::has_keying_material() const {
   return !m_K.empty();
}

/*
* SEED Key Schedule
*/
void SEED::key_schedule(std::span<const uint8_t> key) {
   const uint32_t RC[16] = {0x9E3779B9,
                            0x3C6EF373,
                            0x78DDE6E6,
                            0xF1BBCDCC,
                            0xE3779B99,
                            0xC6EF3733,
                            0x8DDE6E67,
                            0x1BBCDCCF,
                            0x3779B99E,
                            0x6EF3733C,
                            0xDDE6E678,
                            0xBBCDCCF1,
                            0x779B99E3,
                            0xEF3733C6,
                            0xDE6E678D,
                            0xBCDCCF1B};

   secure_vector<uint32_t> WK(4);

   for(size_t i = 0; i != 4; ++i) {
      WK[i] = load_be<uint32_t>(key.data(), i);
   }

   m_K.resize(32);

   for(size_t i = 0; i != 16; i += 2) {
      m_K[2 * i] = SEED_G(WK[0] + WK[2] - RC[i]);
      m_K[2 * i + 1] = SEED_G(WK[1] - WK[3] + RC[i]) ^ m_K[2 * i];

      uint32_t T = (WK[0] & 0xFF) << 24;
      WK[0] = (WK[0] >> 8) | (get_byte<3>(WK[1]) << 24);
      WK[1] = (WK[1] >> 8) | T;

      m_K[2 * i + 2] = SEED_G(WK[0] + WK[2] - RC[i + 1]);
      m_K[2 * i + 3] = SEED_G(WK[1] - WK[3] + RC[i + 1]) ^ m_K[2 * i + 2];

      T = get_byte<0>(WK[3]);
      WK[3] = (WK[3] << 8) | get_byte<0>(WK[2]);
      WK[2] = (WK[2] << 8) | T;
   }
}

void SEED::clear() {
   zap(m_K);
}

size_t SEED::parallelism() const {
#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
   if(CPUID::has(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {
      return 16;
   }
#endif

#if defined(BOTAN_HAS_SEED_HWAES)
   if(CPUID::has(CPUID::Feature::HW_AES)) {
      return 4;
   }
#endif

   return 1;
}

std::string SEED::provider() const {
#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
   if(auto feat = CPUID::check(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {
      return *feat;
   }
#endif

#if defined(BOTAN_HAS_SEED_HWAES)
   if(auto feat = CPUID::check(CPUID::Feature::HW_AES)) {
      return *feat;
   }
#endif

   return "base";
}

}  // namespace Botan

1	/*
2	* SEED
3	* (C) 1999-2007,2020 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/internal/seed.h>
9
10	#include <botan/internal/loadstor.h>
11	#include <botan/internal/prefetch.h>
12
13	#if defined(BOTAN_HAS_CPUID)
14	#include <botan/internal/cpuid.h>
15	#endif
16
17	namespace Botan {
18
19	namespace {
20
21	alignas(256) const uint8_t SEED_S0[256] = {
22	0xA9, 0x85, 0xD6, 0xD3, 0x54, 0x1D, 0xAC, 0x25, 0x5D, 0x43, 0x18, 0x1E, 0x51, 0xFC, 0xCA, 0x63, 0x28, 0x44, 0x20,
23	0x9D, 0xE0, 0xE2, 0xC8, 0x17, 0xA5, 0x8F, 0x03, 0x7B, 0xBB, 0x13, 0xD2, 0xEE, 0x70, 0x8C, 0x3F, 0xA8, 0x32, 0xDD,
24	0xF6, 0x74, 0xEC, 0x95, 0x0B, 0x57, 0x5C, 0x5B, 0xBD, 0x01, 0x24, 0x1C, 0x73, 0x98, 0x10, 0xCC, 0xF2, 0xD9, 0x2C,
25	0xE7, 0x72, 0x83, 0x9B, 0xD1, 0x86, 0xC9, 0x60, 0x50, 0xA3, 0xEB, 0x0D, 0xB6, 0x9E, 0x4F, 0xB7, 0x5A, 0xC6, 0x78,
26	0xA6, 0x12, 0xAF, 0xD5, 0x61, 0xC3, 0xB4, 0x41, 0x52, 0x7D, 0x8D, 0x08, 0x1F, 0x99, 0x00, 0x19, 0x04, 0x53, 0xF7,
27	0xE1, 0xFD, 0x76, 0x2F, 0x27, 0xB0, 0x8B, 0x0E, 0xAB, 0xA2, 0x6E, 0x93, 0x4D, 0x69, 0x7C, 0x09, 0x0A, 0xBF, 0xEF,
28	0xF3, 0xC5, 0x87, 0x14, 0xFE, 0x64, 0xDE, 0x2E, 0x4B, 0x1A, 0x06, 0x21, 0x6B, 0x66, 0x02, 0xF5, 0x92, 0x8A, 0x0C,
29	0xB3, 0x7E, 0xD0, 0x7A, 0x47, 0x96, 0xE5, 0x26, 0x80, 0xAD, 0xDF, 0xA1, 0x30, 0x37, 0xAE, 0x36, 0x15, 0x22, 0x38,
30	0xF4, 0xA7, 0x45, 0x4C, 0x81, 0xE9, 0x84, 0x97, 0x35, 0xCB, 0xCE, 0x3C, 0x71, 0x11, 0xC7, 0x89, 0x75, 0xFB, 0xDA,
31	0xF8, 0x94, 0x59, 0x82, 0xC4, 0xFF, 0x49, 0x39, 0x67, 0xC0, 0xCF, 0xD7, 0xB8, 0x0F, 0x8E, 0x42, 0x23, 0x91, 0x6C,
32	0xDB, 0xA4, 0x34, 0xF1, 0x48, 0xC2, 0x6F, 0x3D, 0x2D, 0x40, 0xBE, 0x3E, 0xBC, 0xC1, 0xAA, 0xBA, 0x4E, 0x55, 0x3B,
33	0xDC, 0x68, 0x7F, 0x9C, 0xD8, 0x4A, 0x56, 0x77, 0xA0, 0xED, 0x46, 0xB5, 0x2B, 0x65, 0xFA, 0xE3, 0xB9, 0xB1, 0x9F,
34	0x5E, 0xF9, 0xE6, 0xB2, 0x31, 0xEA, 0x6D, 0x5F, 0xE4, 0xF0, 0xCD, 0x88, 0x16, 0x3A, 0x58, 0xD4, 0x62, 0x29, 0x07,
35	0x33, 0xE8, 0x1B, 0x05, 0x79, 0x90, 0x6A, 0x2A, 0x9A,
36	};
37
38	alignas(256) const uint8_t SEED_S1[256] = {
39	0x38, 0xE8, 0x2D, 0xA6, 0xCF, 0xDE, 0xB3, 0xB8, 0xAF, 0x60, 0x55, 0xC7, 0x44, 0x6F, 0x6B, 0x5B, 0xC3, 0x62, 0x33,
40	0xB5, 0x29, 0xA0, 0xE2, 0xA7, 0xD3, 0x91, 0x11, 0x06, 0x1C, 0xBC, 0x36, 0x4B, 0xEF, 0x88, 0x6C, 0xA8, 0x17, 0xC4,
41	0x16, 0xF4, 0xC2, 0x45, 0xE1, 0xD6, 0x3F, 0x3D, 0x8E, 0x98, 0x28, 0x4E, 0xF6, 0x3E, 0xA5, 0xF9, 0x0D, 0xDF, 0xD8,
42	0x2B, 0x66, 0x7A, 0x27, 0x2F, 0xF1, 0x72, 0x42, 0xD4, 0x41, 0xC0, 0x73, 0x67, 0xAC, 0x8B, 0xF7, 0xAD, 0x80, 0x1F,
43	0xCA, 0x2C, 0xAA, 0x34, 0xD2, 0x0B, 0xEE, 0xE9, 0x5D, 0x94, 0x18, 0xF8, 0x57, 0xAE, 0x08, 0xC5, 0x13, 0xCD, 0x86,
44	0xB9, 0xFF, 0x7D, 0xC1, 0x31, 0xF5, 0x8A, 0x6A, 0xB1, 0xD1, 0x20, 0xD7, 0x02, 0x22, 0x04, 0x68, 0x71, 0x07, 0xDB,
45	0x9D, 0x99, 0x61, 0xBE, 0xE6, 0x59, 0xDD, 0x51, 0x90, 0xDC, 0x9A, 0xA3, 0xAB, 0xD0, 0x81, 0x0F, 0x47, 0x1A, 0xE3,
46	0xEC, 0x8D, 0xBF, 0x96, 0x7B, 0x5C, 0xA2, 0xA1, 0x63, 0x23, 0x4D, 0xC8, 0x9E, 0x9C, 0x3A, 0x0C, 0x2E, 0xBA, 0x6E,
47	0x9F, 0x5A, 0xF2, 0x92, 0xF3, 0x49, 0x78, 0xCC, 0x15, 0xFB, 0x70, 0x75, 0x7F, 0x35, 0x10, 0x03, 0x64, 0x6D, 0xC6,
48	0x74, 0xD5, 0xB4, 0xEA, 0x09, 0x76, 0x19, 0xFE, 0x40, 0x12, 0xE0, 0xBD, 0x05, 0xFA, 0x01, 0xF0, 0x2A, 0x5E, 0xA9,
49	0x56, 0x43, 0x85, 0x14, 0x89, 0x9B, 0xB0, 0xE5, 0x48, 0x79, 0x97, 0xFC, 0x1E, 0x82, 0x21, 0x8C, 0x1B, 0x5F, 0x77,
50	0x54, 0xB2, 0x1D, 0x25, 0x4F, 0x00, 0x46, 0xED, 0x58, 0x52, 0xEB, 0x7E, 0xDA, 0xC9, 0xFD, 0x30, 0x95, 0x65, 0x3C,
51	0xB6, 0xE4, 0xBB, 0x7C, 0x0E, 0x50, 0x39, 0x26, 0x32, 0x84, 0x69, 0x93, 0x37, 0xE7, 0x24, 0xA4, 0xCB, 0x53, 0x0A,
52	0x87, 0xD9, 0x4C, 0x83, 0x8F, 0xCE, 0x3B, 0x4A, 0xB7,
53	};
54
55	/*
56	* SEED G Function
57	*/
58	BOTAN_FORCE_INLINE uint32_t SEED_G(uint32_t X) {	1,504✔
59	const uint32_t M = 0x01010101;	1,504✔
60	const uint32_t s0 = M * SEED_S0[get_byte<3>(X)];	248✔
61	const uint32_t s1 = M * SEED_S1[get_byte<2>(X)];	1,504✔
62	const uint32_t s2 = M * SEED_S0[get_byte<1>(X)];	1,504✔
63	const uint32_t s3 = M * SEED_S1[get_byte<0>(X)];	1,504✔
64
65	const uint32_t M0 = 0x3FCFF3FC;	1,504✔
66	const uint32_t M1 = 0xFC3FCFF3;	1,504✔
67	const uint32_t M2 = 0xF3FC3FCF;	1,504✔
68	const uint32_t M3 = 0xCFF3FC3F;	1,504✔
69
70	return (s0 & M0) ^ (s1 & M1) ^ (s2 & M2) ^ (s3 & M3);	1,504✔
71	}
72
73	} // namespace
74
75	/*
76	* SEED Encryption
77	*/
78	void SEED::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {	306✔
79	assert_key_material_set();	306✔
80
81	#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
82	if(CPUID::has(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {	286✔
83	return avx512_gfni_encrypt(in, out, blocks);	×
84	}
85	#endif
86
87	#if defined(BOTAN_HAS_SEED_HWAES)
88	if(CPUID::has(CPUID::Feature::HW_AES)) {	286✔
89	return hwaes_encrypt(in, out, blocks);	271✔
90	}
91	#endif
92
93	prefetch_arrays(SEED_S0, SEED_S1);	15✔
94
95	while(blocks >= 2) {	96✔
96	uint32_t B00 = load_be<uint32_t>(in, 0);	66✔
97	uint32_t B01 = load_be<uint32_t>(in, 1);	66✔
98	uint32_t B02 = load_be<uint32_t>(in, 2);	66✔
99	uint32_t B03 = load_be<uint32_t>(in, 3);	66✔
100	uint32_t B10 = load_be<uint32_t>(in, 4);	66✔
101	uint32_t B11 = load_be<uint32_t>(in, 5);	66✔
102	uint32_t B12 = load_be<uint32_t>(in, 6);	66✔
103	uint32_t B13 = load_be<uint32_t>(in, 7);	66✔
104
105	for(size_t j = 0; j != 16; j += 2) {	594✔
106	uint32_t T00 = B02 ^ m_K[2 * j];	528✔
107	uint32_t T10 = B12 ^ m_K[2 * j];	528✔
108	uint32_t T01 = SEED_G(B02 ^ B03 ^ m_K[2 * j + 1]);	528✔
109	uint32_t T11 = SEED_G(B12 ^ B13 ^ m_K[2 * j + 1]);	528✔
110	T00 = SEED_G(T01 + T00);	528✔
111	T10 = SEED_G(T11 + T10);	528✔
112	T01 = SEED_G(T01 + T00);	528✔
113	T11 = SEED_G(T11 + T10);	528✔
114	B01 ^= T01;	528✔
115	B11 ^= T11;	528✔
116	B00 ^= T00 + T01;	528✔
117	B10 ^= T10 + T11;	528✔
118
119	T00 = B00 ^ m_K[2 * j + 2];	528✔
120	T10 = B10 ^ m_K[2 * j + 2];	528✔
121	T01 = SEED_G(B00 ^ B01 ^ m_K[2 * j + 3]);	528✔
122	T11 = SEED_G(B10 ^ B11 ^ m_K[2 * j + 3]);	528✔
123	T10 = SEED_G(T11 + T10);	528✔
124	T00 = SEED_G(T01 + T00);	528✔
125	T01 = SEED_G(T01 + T00);	528✔
126	T11 = SEED_G(T11 + T10);	528✔
127	B03 ^= T01;	528✔
128	B13 ^= T11;	528✔
129	B02 ^= T00 + T01;	528✔
130	B12 ^= T10 + T11;	528✔
131	}
132
133	store_be(out, B02, B03, B00, B01, B12, B13, B10, B11);	66✔
134
135	in += 2 * BLOCK_SIZE;	66✔
136	out += 2 * BLOCK_SIZE;	66✔
137
138	blocks -= 2;	66✔
139	}
140
141	for(size_t i = 0; i != blocks; ++i) {	30✔
142	uint32_t B0 = load_be<uint32_t>(in, 0);	15✔
143	uint32_t B1 = load_be<uint32_t>(in, 1);	15✔
144	uint32_t B2 = load_be<uint32_t>(in, 2);	15✔
145	uint32_t B3 = load_be<uint32_t>(in, 3);	15✔
146
147	for(size_t j = 0; j != 16; j += 2) {	135✔
148	uint32_t T0 = B2 ^ m_K[2 * j];	120✔
149	uint32_t T1 = SEED_G(B2 ^ B3 ^ m_K[2 * j + 1]);	120✔
150	T0 = SEED_G(T1 + T0);	120✔
151	T1 = SEED_G(T1 + T0);	120✔
152	B1 ^= T1;	120✔
153	B0 ^= T0 + T1;	120✔
154
155	T0 = B0 ^ m_K[2 * j + 2];	120✔
156	T1 = SEED_G(B0 ^ B1 ^ m_K[2 * j + 3]);	120✔
157	T0 = SEED_G(T1 + T0);	120✔
158	T1 = SEED_G(T1 + T0);	120✔
159	B3 ^= T1;	120✔
160	B2 ^= T0 + T1;	120✔
161	}
162
163	store_be(out, B2, B3, B0, B1);	15✔
164
165	in += BLOCK_SIZE;	15✔
166	out += BLOCK_SIZE;	15✔
167	}
168	}
169
170	/*
171	* SEED Decryption
172	*/
173	void SEED::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const {	296✔
174	assert_key_material_set();	296✔
175
176	#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
177	if(CPUID::has(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {	276✔
178	return avx512_gfni_decrypt(in, out, blocks);	×
179	}
180	#endif
181
182	#if defined(BOTAN_HAS_SEED_HWAES)
183	if(CPUID::has(CPUID::Feature::HW_AES)) {	276✔
184	return hwaes_decrypt(in, out, blocks);	266✔
185	}
186	#endif
187
188	prefetch_arrays(SEED_S0, SEED_S1);	10✔
189
190	while(blocks >= 2) {	86✔
191	uint32_t B00 = load_be<uint32_t>(in, 0);	66✔
192	uint32_t B01 = load_be<uint32_t>(in, 1);	66✔
193	uint32_t B02 = load_be<uint32_t>(in, 2);	66✔
194	uint32_t B03 = load_be<uint32_t>(in, 3);	66✔
195	uint32_t B10 = load_be<uint32_t>(in, 4);	66✔
196	uint32_t B11 = load_be<uint32_t>(in, 5);	66✔
197	uint32_t B12 = load_be<uint32_t>(in, 6);	66✔
198	uint32_t B13 = load_be<uint32_t>(in, 7);	66✔
199
200	for(size_t j = 0; j != 16; j += 2) {	594✔
201	uint32_t T00 = B02 ^ m_K[30 - 2 * j];	528✔
202	uint32_t T10 = B12 ^ m_K[30 - 2 * j];	528✔
203	uint32_t T01 = SEED_G(B02 ^ B03 ^ m_K[31 - 2 * j]);	528✔
204	uint32_t T11 = SEED_G(B12 ^ B13 ^ m_K[31 - 2 * j]);	528✔
205	T00 = SEED_G(T01 + T00);	528✔
206	T10 = SEED_G(T11 + T10);	528✔
207	T01 = SEED_G(T01 + T00);	528✔
208	T11 = SEED_G(T11 + T10);	528✔
209	B01 ^= T01;	528✔
210	B11 ^= T11;	528✔
211	B00 ^= T00 + T01;	528✔
212	B10 ^= T10 + T11;	528✔
213
214	T00 = B00 ^ m_K[28 - 2 * j];	528✔
215	T10 = B10 ^ m_K[28 - 2 * j];	528✔
216	T01 = SEED_G(B00 ^ B01 ^ m_K[29 - 2 * j]);	528✔
217	T11 = SEED_G(B10 ^ B11 ^ m_K[29 - 2 * j]);	528✔
218	T00 = SEED_G(T01 + T00);	528✔
219	T10 = SEED_G(T11 + T10);	528✔
220	T01 = SEED_G(T01 + T00);	528✔
221	T11 = SEED_G(T11 + T10);	528✔
222	B03 ^= T01;	528✔
223	B13 ^= T11;	528✔
224	B02 ^= T00 + T01;	528✔
225	B12 ^= T10 + T11;	528✔
226	}
227
228	store_be(out, B02, B03, B00, B01, B12, B13, B10, B11);	66✔
229
230	in += 2 * BLOCK_SIZE;	66✔
231	out += 2 * BLOCK_SIZE;	66✔
232	blocks -= 2;	66✔
233	}
234
235	for(size_t i = 0; i != blocks; ++i) {	20✔
236	uint32_t B0 = load_be<uint32_t>(in, 0);	10✔
237	uint32_t B1 = load_be<uint32_t>(in, 1);	10✔
238	uint32_t B2 = load_be<uint32_t>(in, 2);	10✔
239	uint32_t B3 = load_be<uint32_t>(in, 3);	10✔
240
241	for(size_t j = 0; j != 16; j += 2) {	90✔
242	uint32_t T0 = B2 ^ m_K[30 - 2 * j];	80✔
243	uint32_t T1 = SEED_G(B2 ^ B3 ^ m_K[31 - 2 * j]);	80✔
244	T0 = SEED_G(T1 + T0);	80✔
245	T1 = SEED_G(T1 + T0);	80✔
246	B1 ^= T1;	80✔
247	B0 ^= T0 + T1;	80✔
248
249	T0 = B0 ^ m_K[28 - 2 * j];	80✔
250	T1 = SEED_G(B0 ^ B1 ^ m_K[29 - 2 * j]);	80✔
251	T0 = SEED_G(T1 + T0);	80✔
252	T1 = SEED_G(T1 + T0);	80✔
253	B3 ^= T1;	80✔
254	B2 ^= T0 + T1;	80✔
255	}
256
257	store_be(out, B2, B3, B0, B1);	10✔
258
259	in += BLOCK_SIZE;	10✔
260	out += BLOCK_SIZE;	10✔
261	}
262	}
263
264	bool SEED::has_keying_material() const {	642✔
265	return !m_K.empty();	642✔
266	}
267
268	/*
269	* SEED Key Schedule
270	*/
271	void SEED::key_schedule(std::span<const uint8_t> key) {	31✔
272	const uint32_t RC[16] = {0x9E3779B9,	31✔
273	0x3C6EF373,
274	0x78DDE6E6,
275	0xF1BBCDCC,
276	0xE3779B99,
277	0xC6EF3733,
278	0x8DDE6E67,
279	0x1BBCDCCF,
280	0x3779B99E,
281	0x6EF3733C,
282	0xDDE6E678,
283	0xBBCDCCF1,
284	0x779B99E3,
285	0xEF3733C6,
286	0xDE6E678D,
287	0xBCDCCF1B};
288
289	secure_vector<uint32_t> WK(4);	31✔
290
291	for(size_t i = 0; i != 4; ++i) {	155✔
292	WK[i] = load_be<uint32_t>(key.data(), i);	124✔
293	}
294
295	m_K.resize(32);	31✔
296
297	for(size_t i = 0; i != 16; i += 2) {	279✔
298	m_K[2 * i] = SEED_G(WK[0] + WK[2] - RC[i]);	248✔
299	m_K[2 * i + 1] = SEED_G(WK[1] - WK[3] + RC[i]) ^ m_K[2 * i];	248✔
300
301	uint32_t T = (WK[0] & 0xFF) << 24;	248✔
302	WK[0] = (WK[0] >> 8) \| (get_byte<3>(WK[1]) << 24);	248✔
303	WK[1] = (WK[1] >> 8) \| T;	248✔
304
305	m_K[2 * i + 2] = SEED_G(WK[0] + WK[2] - RC[i + 1]);	248✔
306	m_K[2 * i + 3] = SEED_G(WK[1] - WK[3] + RC[i + 1]) ^ m_K[2 * i + 2];	248✔
307
308	T = get_byte<0>(WK[3]);	248✔
309	WK[3] = (WK[3] << 8) \| get_byte<0>(WK[2]);	248✔
310	WK[2] = (WK[2] << 8) \| T;	248✔
311	}
312	}	31✔
313
314	void SEED::clear() {	20✔
315	zap(m_K);	20✔
316	}	20✔
317
318	size_t SEED::parallelism() const {	31✔
319	#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
320	if(CPUID::has(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {	31✔
321	return 16;
322	}
323	#endif
324
325	#if defined(BOTAN_HAS_SEED_HWAES)
326	if(CPUID::has(CPUID::Feature::HW_AES)) {	31✔
327	return 4;	16✔
328	}
329	#endif
330
331	return 1;
332	}
333
334	std::string SEED::provider() const {	10✔
335	#if defined(BOTAN_HAS_SEED_AVX512_GFNI)
336	if(auto feat = CPUID::check(CPUID::Feature::AVX512, CPUID::Feature::GFNI)) {	10✔
337	return *feat;	×
338	}	×
339	#endif
340
341	#if defined(BOTAN_HAS_SEED_HWAES)
342	if(auto feat = CPUID::check(CPUID::Feature::HW_AES)) {	10✔
343	return *feat;	10✔
344	}	5✔
345	#endif
346
347	return "base";	5✔
348	}
349
350	} // namespace Botan

randombit / botan / 23486908132

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