diff options
Diffstat (limited to 'src/Common/GfMul.c')
| -rw-r--r-- | src/Common/GfMul.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/src/Common/GfMul.c b/src/Common/GfMul.c index 7e170bc1..7cc36ec1 100644 --- a/src/Common/GfMul.c +++ b/src/Common/GfMul.c @@ -651,43 +651,6 @@ int Gf128Tab64Init (unsigned __int8 *a, GfCtx *ctx) return TRUE;
}
-int Gf64TabInit (unsigned __int8 *a, GfCtx *ctx)
-{
- /* Deprecated/legacy */
-
- GfCtx4k64 *ctx4k;
- unsigned __int8 am[8];
- int i, j;
-
- ctx4k = (GfCtx4k64 *) TCalloc (sizeof (GfCtx4k64));
- if (!ctx4k)
- return FALSE;
-
- memcpy (am, a, 8);
- MirrorBits64 (am);
- compile_4k_table64 (am, ctx4k);
-
- /* Convert LSB-first table to MSB-first */
- for (i = 0; i < 16; i++)
- {
- for (j = 0; j < 16; j++)
- {
- int jm = 0;
- jm |= (j & 0x1) << 3;
- jm |= (j & 0x2) << 1;
- jm |= (j & 0x4) >> 1;
- jm |= (j & 0x8) >> 3;
-
- memcpy (&ctx->gf_t64[i][jm], (unsigned char *)&ctx4k->gf_t4k[15-i][j], 8);
- MirrorBits64 ((unsigned char *)&ctx->gf_t64[i][jm]);
- }
- }
-
- burn (ctx4k,sizeof (*ctx4k));
- burn (am, sizeof (am));
- TCfree (ctx4k);
- return TRUE;
-}
#define xor_8kt64(i) \
xor_block_aligned(r, ctx->gf_t128[i + i][a[i] & 15]); \
@@ -718,36 +681,6 @@ void Gf128MulBy64Tab (unsigned __int8 a[8], unsigned __int8 p[16], GfCtx *ctx) move_block_aligned(p, r);
}
-#define xor_8k64(i) \
- xor_block_aligned64(r, ctx->gf_t64[i + i][a[i] & 15]); \
- xor_block_aligned64(r, ctx->gf_t64[i + i + 1][a[i] >> 4])
-
-/* Multiply two 64-bit numbers in the finite field GF(2^64) */
-void Gf64MulTab (unsigned char a[8], unsigned char p[8], GfCtx *ctx)
-{
- /* Deprecated/legacy */
-
- unsigned __int32 r[CBLK_LEN8 >> 2];
-
- move_block_aligned64(r, ctx->gf_t64[7*2][a[7] & 15]);
- xor_block_aligned64(r, ctx->gf_t64[7*2+1][a[7] >> 4]);
-
- if (*(unsigned __int16 *)a)
- {
- xor_8k64(0);
- xor_8k64(1);
- }
- if (a[2])
- {
- xor_8k64(2);
- }
- xor_8k64(3);
- xor_8k64(4);
- xor_8k64(5);
- xor_8k64(6);
-
- move_block_aligned64(p, r);
-}
/* Basic algorithms for testing of optimized algorithms */
@@ -809,32 +742,6 @@ static void shl64 (unsigned __int8 *a) }
}
-static void GfMul64Basic (unsigned __int8 *a, unsigned __int8 *b, unsigned __int8* p)
-{
- /* Deprecated/legacy */
-
- int i;
- unsigned __int8 la[8];
- memcpy (la, a, 8);
- memset (p, 0, 8);
-
- for (i = 0; i < 64; i++)
- {
- if (IsBitSet64 (i, b))
- xor64 ((uint64 *)p, (uint64 *)la);
-
- if (la[0] & 0x80)
- {
- shl64 (la);
- la[7] ^= 0x1b;
- }
- else
- {
- shl64 (la);
- }
- }
-}
-
BOOL GfMulSelfTest ()
{
@@ -849,23 +756,6 @@ BOOL GfMulSelfTest () if (!gfCtx)
return FALSE;
- /* GF(2^64) - deprecated/legacy */
- for (i = 0; i < 0x100; i++)
- {
- for (j = 0; j < 8; j++)
- {
- a[j] = (unsigned __int8) i;
- b[j] = a[j] ^ 0xff;
- }
-
- GfMul64Basic (a, b, p1);
-
- Gf64TabInit (a, gfCtx);
- Gf64MulTab (b, p2, gfCtx);
-
- if (memcmp (p1, p2, 8) != 0)
- result = FALSE;
- }
/* GF(2^128) */
for (i = 0; i < 0x100; i++)
|