aboutsummaryrefslogtreecommitdiffstats
path: root/src/lib/hash/sm3
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/hash/sm3')
-rw-r--r--src/lib/hash/sm3/sm3.cpp299
-rw-r--r--src/lib/hash/sm3/sm3.h7
2 files changed, 241 insertions, 65 deletions
diff --git a/src/lib/hash/sm3/sm3.cpp b/src/lib/hash/sm3/sm3.cpp
index cb4039789..453b59c05 100644
--- a/src/lib/hash/sm3/sm3.cpp
+++ b/src/lib/hash/sm3/sm3.cpp
@@ -49,6 +49,36 @@ inline uint32_t GG1(uint32_t X, uint32_t Y, uint32_t Z)
return (X & Y) | (~X & Z);
}
+#define SM3_CF0(j) \
+ T[(j)] = SM3_TJ_0_15; \
+ SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[(j)], (j)), 7); \
+ SS2 = SS1 ^ rotate_left(A, 12); \
+ TT1 = FF0(A, B, C) + D + SS2 + W1[(j)]; \
+ TT2 = GG0(E, F, G) + H + SS1 + W[(j)]; \
+ D = C; \
+ C = rotate_left(B, 9); \
+ B = A; \
+ A = TT1; \
+ H = G; \
+ G = rotate_left(F, 19); \
+ F = E; \
+ E = P0(TT2);
+
+#define SM3_CF1(j) \
+ T[(j)] = SM3_TJ_16_63; \
+ SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[(j)], (j)), 7); \
+ SS2 = SS1 ^ rotate_left(A, 12); \
+ TT1 = FF1(A, B, C) + D + SS2 + W1[(j)]; \
+ TT2 = GG1(E, F, G) + H + SS1 + W[(j)]; \
+ D = C; \
+ C = rotate_left(B, 9); \
+ B = A; \
+ A = TT1; \
+ H = G; \
+ G = rotate_left(F, 19); \
+ F = E; \
+ E = P0(TT2);
+
}
/*
@@ -56,74 +86,226 @@ inline uint32_t GG1(uint32_t X, uint32_t Y, uint32_t Z)
*/
void SM3::compress_n(const uint8_t input[], size_t blocks)
{
+ uint32_t A = m_digest[0], B = m_digest[1], C = m_digest[2], D = m_digest[3],
+ E = m_digest[4], F = m_digest[5], G = m_digest[6], H = m_digest[7];
uint32_t W[68], W1[64];
uint32_t SS1, SS2, TT1, TT2, T[64];
for(size_t i = 0; i != blocks; ++i)
{
- uint32_t A = m_digest[0], B = m_digest[1], C = m_digest[2], D = m_digest[3],
- E = m_digest[4], F = m_digest[5], G = m_digest[6], H = m_digest[7];
-
- load_be(m_M.data(), input, m_M.size());
// Message Extension (a)
- for (size_t j = 0; j < 16; j++)
- {
- W[j] = m_M[j];
- }
+ W[ 0] = load_be<uint32_t>(input, 0);
+ W[ 1] = load_be<uint32_t>(input, 1);
+ W[ 2] = load_be<uint32_t>(input, 2);
+ W[ 3] = load_be<uint32_t>(input, 3);
+ W[ 4] = load_be<uint32_t>(input, 4);
+ W[ 5] = load_be<uint32_t>(input, 5);
+ W[ 6] = load_be<uint32_t>(input, 6);
+ W[ 7] = load_be<uint32_t>(input, 7);
+ W[ 8] = load_be<uint32_t>(input, 8);
+ W[ 9] = load_be<uint32_t>(input, 9);
+ W[10] = load_be<uint32_t>(input, 10);
+ W[11] = load_be<uint32_t>(input, 11);
+ W[12] = load_be<uint32_t>(input, 12);
+ W[13] = load_be<uint32_t>(input, 13);
+ W[14] = load_be<uint32_t>(input, 14);
+ W[15] = load_be<uint32_t>(input, 15);
+
// Message Extension (b)
- for (size_t j = 16; j < 68; j++)
- {
- W[j] = P1(W[j-16] ^ W[j-9] ^ rotate_left(W[j-3], 15)) ^ rotate_left(W[j-13], 7) ^ W[j-6];
- }
+ W[16] = P1(W[ 0] ^ W[ 7] ^ rotate_left(W[13], 15)) ^ rotate_left(W[ 3], 7) ^ W[10];
+ W[17] = P1(W[ 1] ^ W[ 8] ^ rotate_left(W[14], 15)) ^ rotate_left(W[ 4], 7) ^ W[11];
+ W[18] = P1(W[ 2] ^ W[ 9] ^ rotate_left(W[15], 15)) ^ rotate_left(W[ 5], 7) ^ W[12];
+ W[19] = P1(W[ 3] ^ W[10] ^ rotate_left(W[16], 15)) ^ rotate_left(W[ 6], 7) ^ W[13];
+ W[20] = P1(W[ 4] ^ W[11] ^ rotate_left(W[17], 15)) ^ rotate_left(W[ 7], 7) ^ W[14];
+ W[21] = P1(W[ 5] ^ W[12] ^ rotate_left(W[18], 15)) ^ rotate_left(W[ 8], 7) ^ W[15];
+ W[22] = P1(W[ 6] ^ W[13] ^ rotate_left(W[19], 15)) ^ rotate_left(W[ 9], 7) ^ W[16];
+ W[23] = P1(W[ 7] ^ W[14] ^ rotate_left(W[20], 15)) ^ rotate_left(W[10], 7) ^ W[17];
+ W[24] = P1(W[ 8] ^ W[15] ^ rotate_left(W[21], 15)) ^ rotate_left(W[11], 7) ^ W[18];
+ W[25] = P1(W[ 9] ^ W[16] ^ rotate_left(W[22], 15)) ^ rotate_left(W[12], 7) ^ W[19];
+ W[26] = P1(W[10] ^ W[17] ^ rotate_left(W[23], 15)) ^ rotate_left(W[13], 7) ^ W[20];
+ W[27] = P1(W[11] ^ W[18] ^ rotate_left(W[24], 15)) ^ rotate_left(W[14], 7) ^ W[21];
+ W[28] = P1(W[12] ^ W[19] ^ rotate_left(W[25], 15)) ^ rotate_left(W[15], 7) ^ W[22];
+ W[29] = P1(W[13] ^ W[20] ^ rotate_left(W[26], 15)) ^ rotate_left(W[16], 7) ^ W[23];
+ W[30] = P1(W[14] ^ W[21] ^ rotate_left(W[27], 15)) ^ rotate_left(W[17], 7) ^ W[24];
+ W[31] = P1(W[15] ^ W[22] ^ rotate_left(W[28], 15)) ^ rotate_left(W[18], 7) ^ W[25];
+ W[32] = P1(W[16] ^ W[23] ^ rotate_left(W[29], 15)) ^ rotate_left(W[19], 7) ^ W[26];
+ W[33] = P1(W[17] ^ W[24] ^ rotate_left(W[30], 15)) ^ rotate_left(W[20], 7) ^ W[27];
+ W[34] = P1(W[18] ^ W[25] ^ rotate_left(W[31], 15)) ^ rotate_left(W[21], 7) ^ W[28];
+ W[35] = P1(W[19] ^ W[26] ^ rotate_left(W[32], 15)) ^ rotate_left(W[22], 7) ^ W[29];
+ W[36] = P1(W[20] ^ W[27] ^ rotate_left(W[33], 15)) ^ rotate_left(W[23], 7) ^ W[30];
+ W[37] = P1(W[21] ^ W[28] ^ rotate_left(W[34], 15)) ^ rotate_left(W[24], 7) ^ W[31];
+ W[38] = P1(W[22] ^ W[29] ^ rotate_left(W[35], 15)) ^ rotate_left(W[25], 7) ^ W[32];
+ W[39] = P1(W[23] ^ W[30] ^ rotate_left(W[36], 15)) ^ rotate_left(W[26], 7) ^ W[33];
+ W[40] = P1(W[24] ^ W[31] ^ rotate_left(W[37], 15)) ^ rotate_left(W[27], 7) ^ W[34];
+ W[41] = P1(W[25] ^ W[32] ^ rotate_left(W[38], 15)) ^ rotate_left(W[28], 7) ^ W[35];
+ W[42] = P1(W[26] ^ W[33] ^ rotate_left(W[39], 15)) ^ rotate_left(W[29], 7) ^ W[36];
+ W[43] = P1(W[27] ^ W[34] ^ rotate_left(W[40], 15)) ^ rotate_left(W[30], 7) ^ W[37];
+ W[44] = P1(W[28] ^ W[35] ^ rotate_left(W[41], 15)) ^ rotate_left(W[31], 7) ^ W[38];
+ W[45] = P1(W[29] ^ W[36] ^ rotate_left(W[42], 15)) ^ rotate_left(W[32], 7) ^ W[39];
+ W[46] = P1(W[30] ^ W[37] ^ rotate_left(W[43], 15)) ^ rotate_left(W[33], 7) ^ W[40];
+ W[47] = P1(W[31] ^ W[38] ^ rotate_left(W[44], 15)) ^ rotate_left(W[34], 7) ^ W[41];
+ W[48] = P1(W[32] ^ W[39] ^ rotate_left(W[45], 15)) ^ rotate_left(W[35], 7) ^ W[42];
+ W[49] = P1(W[33] ^ W[40] ^ rotate_left(W[46], 15)) ^ rotate_left(W[36], 7) ^ W[43];
+ W[50] = P1(W[34] ^ W[41] ^ rotate_left(W[47], 15)) ^ rotate_left(W[37], 7) ^ W[44];
+ W[51] = P1(W[35] ^ W[42] ^ rotate_left(W[48], 15)) ^ rotate_left(W[38], 7) ^ W[45];
+ W[52] = P1(W[36] ^ W[43] ^ rotate_left(W[49], 15)) ^ rotate_left(W[39], 7) ^ W[46];
+ W[53] = P1(W[37] ^ W[44] ^ rotate_left(W[50], 15)) ^ rotate_left(W[40], 7) ^ W[47];
+ W[54] = P1(W[38] ^ W[45] ^ rotate_left(W[51], 15)) ^ rotate_left(W[41], 7) ^ W[48];
+ W[55] = P1(W[39] ^ W[46] ^ rotate_left(W[52], 15)) ^ rotate_left(W[42], 7) ^ W[49];
+ W[56] = P1(W[40] ^ W[47] ^ rotate_left(W[53], 15)) ^ rotate_left(W[43], 7) ^ W[50];
+ W[57] = P1(W[41] ^ W[48] ^ rotate_left(W[54], 15)) ^ rotate_left(W[44], 7) ^ W[51];
+ W[58] = P1(W[42] ^ W[49] ^ rotate_left(W[55], 15)) ^ rotate_left(W[45], 7) ^ W[52];
+ W[59] = P1(W[43] ^ W[50] ^ rotate_left(W[56], 15)) ^ rotate_left(W[46], 7) ^ W[53];
+ W[60] = P1(W[44] ^ W[51] ^ rotate_left(W[57], 15)) ^ rotate_left(W[47], 7) ^ W[54];
+ W[61] = P1(W[45] ^ W[52] ^ rotate_left(W[58], 15)) ^ rotate_left(W[48], 7) ^ W[55];
+ W[62] = P1(W[46] ^ W[53] ^ rotate_left(W[59], 15)) ^ rotate_left(W[49], 7) ^ W[56];
+ W[63] = P1(W[47] ^ W[54] ^ rotate_left(W[60], 15)) ^ rotate_left(W[50], 7) ^ W[57];
+ W[64] = P1(W[48] ^ W[55] ^ rotate_left(W[61], 15)) ^ rotate_left(W[51], 7) ^ W[58];
+ W[65] = P1(W[49] ^ W[56] ^ rotate_left(W[62], 15)) ^ rotate_left(W[52], 7) ^ W[59];
+ W[66] = P1(W[50] ^ W[57] ^ rotate_left(W[63], 15)) ^ rotate_left(W[53], 7) ^ W[60];
+ W[67] = P1(W[51] ^ W[58] ^ rotate_left(W[64], 15)) ^ rotate_left(W[54], 7) ^ W[61];
+
// Message Extension (c)
- for (size_t j = 0; j < 64; j++)
- {
- W1[j] = W[j] ^ W[j+4];
- }
-
- for (size_t j = 0; j < 16; j++)
- {
- T[j] = SM3_TJ_0_15;
- SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[j], j), 7);
- SS2 = SS1 ^ rotate_left(A, 12);
- TT1 = FF0(A, B, C) + D + SS2 + W1[j];
- TT2 = GG0(E, F, G) + H + SS1 + W[j];
- D = C;
- C = rotate_left(B, 9);
- B = A;
- A = TT1;
- H = G;
- G = rotate_left(F, 19);
- F = E;
- E = P0(TT2);
- }
-
- for (size_t j = 16; j < 64; j++)
- {
- T[j] = SM3_TJ_16_63;
- SS1 = rotate_left(rotate_left(A, 12) + E + rotate_left(T[j], j), 7);
- SS2 = SS1 ^ rotate_left(A, 12);
- TT1 = FF1(A, B, C) + D + SS2 + W1[j];
- TT2 = GG1(E, F, G) + H + SS1 + W[j];
- D = C;
- C = rotate_left(B, 9);
- B = A;
- A = TT1;
- H = G;
- G = rotate_left(F, 19);
- F = E;
- E = P0(TT2);
- }
+ W1[ 0] = W[ 0] ^ W[ 4];
+ W1[ 1] = W[ 1] ^ W[ 5];
+ W1[ 2] = W[ 2] ^ W[ 6];
+ W1[ 3] = W[ 3] ^ W[ 7];
+ W1[ 4] = W[ 4] ^ W[ 8];
+ W1[ 5] = W[ 5] ^ W[ 9];
+ W1[ 6] = W[ 6] ^ W[10];
+ W1[ 7] = W[ 7] ^ W[11];
+ W1[ 8] = W[ 8] ^ W[12];
+ W1[ 9] = W[ 9] ^ W[13];
+ W1[10] = W[10] ^ W[14];
+ W1[11] = W[11] ^ W[15];
+ W1[12] = W[12] ^ W[16];
+ W1[13] = W[13] ^ W[17];
+ W1[14] = W[14] ^ W[18];
+ W1[15] = W[15] ^ W[19];
+ W1[16] = W[16] ^ W[20];
+ W1[17] = W[17] ^ W[21];
+ W1[18] = W[18] ^ W[22];
+ W1[19] = W[19] ^ W[23];
+ W1[20] = W[20] ^ W[24];
+ W1[21] = W[21] ^ W[25];
+ W1[22] = W[22] ^ W[26];
+ W1[23] = W[23] ^ W[27];
+ W1[24] = W[24] ^ W[28];
+ W1[25] = W[25] ^ W[29];
+ W1[26] = W[26] ^ W[30];
+ W1[27] = W[27] ^ W[31];
+ W1[28] = W[28] ^ W[32];
+ W1[29] = W[29] ^ W[33];
+ W1[30] = W[30] ^ W[34];
+ W1[31] = W[31] ^ W[35];
+ W1[32] = W[32] ^ W[36];
+ W1[33] = W[33] ^ W[37];
+ W1[34] = W[34] ^ W[38];
+ W1[35] = W[35] ^ W[39];
+ W1[36] = W[36] ^ W[40];
+ W1[37] = W[37] ^ W[41];
+ W1[38] = W[38] ^ W[42];
+ W1[39] = W[39] ^ W[43];
+ W1[40] = W[40] ^ W[44];
+ W1[41] = W[41] ^ W[45];
+ W1[42] = W[42] ^ W[46];
+ W1[43] = W[43] ^ W[47];
+ W1[44] = W[44] ^ W[48];
+ W1[45] = W[45] ^ W[49];
+ W1[46] = W[46] ^ W[50];
+ W1[47] = W[47] ^ W[51];
+ W1[48] = W[48] ^ W[52];
+ W1[49] = W[49] ^ W[53];
+ W1[50] = W[50] ^ W[54];
+ W1[51] = W[51] ^ W[55];
+ W1[52] = W[52] ^ W[56];
+ W1[53] = W[53] ^ W[57];
+ W1[54] = W[54] ^ W[58];
+ W1[55] = W[55] ^ W[59];
+ W1[56] = W[56] ^ W[60];
+ W1[57] = W[57] ^ W[61];
+ W1[58] = W[58] ^ W[62];
+ W1[59] = W[59] ^ W[63];
+ W1[60] = W[60] ^ W[64];
+ W1[61] = W[61] ^ W[65];
+ W1[62] = W[62] ^ W[66];
+ W1[63] = W[63] ^ W[67];
+
+ SM3_CF0( 0);
+ SM3_CF0( 1);
+ SM3_CF0( 2);
+ SM3_CF0( 3);
+ SM3_CF0( 4);
+ SM3_CF0( 5);
+ SM3_CF0( 6);
+ SM3_CF0( 7);
+ SM3_CF0( 8);
+ SM3_CF0( 9);
+ SM3_CF0(10);
+ SM3_CF0(11);
+ SM3_CF0(12);
+ SM3_CF0(13);
+ SM3_CF0(14);
+ SM3_CF0(15);
+
+ SM3_CF1(16);
+ SM3_CF1(17);
+ SM3_CF1(18);
+ SM3_CF1(19);
+ SM3_CF1(20);
+ SM3_CF1(21);
+ SM3_CF1(22);
+ SM3_CF1(23);
+ SM3_CF1(24);
+ SM3_CF1(25);
+ SM3_CF1(26);
+ SM3_CF1(27);
+ SM3_CF1(28);
+ SM3_CF1(29);
+ SM3_CF1(30);
+ SM3_CF1(31);
+ SM3_CF1(32);
+ SM3_CF1(33);
+ SM3_CF1(34);
+ SM3_CF1(35);
+ SM3_CF1(36);
+ SM3_CF1(37);
+ SM3_CF1(38);
+ SM3_CF1(39);
+ SM3_CF1(40);
+ SM3_CF1(41);
+ SM3_CF1(42);
+ SM3_CF1(43);
+ SM3_CF1(44);
+ SM3_CF1(45);
+ SM3_CF1(46);
+ SM3_CF1(47);
+ SM3_CF1(48);
+ SM3_CF1(49);
+ SM3_CF1(50);
+ SM3_CF1(51);
+ SM3_CF1(52);
+ SM3_CF1(53);
+ SM3_CF1(54);
+ SM3_CF1(55);
+ SM3_CF1(56);
+ SM3_CF1(57);
+ SM3_CF1(58);
+ SM3_CF1(59);
+ SM3_CF1(60);
+ SM3_CF1(61);
+ SM3_CF1(62);
+ SM3_CF1(63);
- m_digest[0] ^= A;
- m_digest[1] ^= B;
- m_digest[2] ^= C;
- m_digest[3] ^= D;
- m_digest[4] ^= E;
- m_digest[5] ^= F;
- m_digest[6] ^= G;
- m_digest[7] ^= H;
+ A = (m_digest[0] ^= A);
+ B = (m_digest[1] ^= B);
+ C = (m_digest[2] ^= C);
+ D = (m_digest[3] ^= D);
+ E = (m_digest[4] ^= E);
+ F = (m_digest[5] ^= F);
+ G = (m_digest[6] ^= G);
+ H = (m_digest[7] ^= H);
input += hash_block_size();
}
@@ -143,7 +325,6 @@ void SM3::copy_out(uint8_t output[])
void SM3::clear()
{
MDx_HashFunction::clear();
- zeroise(m_M);
std::copy(std::begin(SM3_IV), std::end(SM3_IV), m_digest.begin());
}
diff --git a/src/lib/hash/sm3/sm3.h b/src/lib/hash/sm3/sm3.h
index 896482332..c5dacdf3a 100644
--- a/src/lib/hash/sm3/sm3.h
+++ b/src/lib/hash/sm3/sm3.h
@@ -29,7 +29,7 @@ class BOTAN_DLL SM3 final : public MDx_HashFunction
void clear() override;
- SM3() : MDx_HashFunction(SM3_BLOCK_BYTES, true, true), m_M(16), m_digest(SM3_DIGEST_BYTES)
+ SM3() : MDx_HashFunction(SM3_BLOCK_BYTES, true, true), m_digest(SM3_DIGEST_BYTES)
{ clear(); }
protected:
void compress_n(const uint8_t[], size_t blocks) override;
@@ -37,11 +37,6 @@ class BOTAN_DLL SM3 final : public MDx_HashFunction
private:
/**
- * The message buffer
- */
- secure_vector<uint32_t> m_M;
-
- /**
* The digest value
*/
secure_vector<uint32_t> m_digest;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 10:13:30 +0000