StyleCop clean OpenRA.Game
This commit is contained in:
@@ -13,36 +13,36 @@ using System.Linq;
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namespace OpenRA.FileFormats
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{
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/* possibly the fugliest C# i've ever seen. */
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/* TODO: Convert this direct C port into readable code. */
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class BlowfishKeyProvider
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{
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const string pubkeyStr = "AihRvNoIbTn85FZRYNZRcT+i6KpU+maCsEqr3Q5q+LDB5tH7Tz2qQ38V";
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const string PublicKeyString = "AihRvNoIbTn85FZRYNZRcT+i6KpU+maCsEqr3Q5q+LDB5tH7Tz2qQ38V";
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class PublicKey
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{
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public uint[] key1 = new uint[64];
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public uint[] key2 = new uint[64];
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public uint len;
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public uint[] KeyOne = new uint[64];
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public uint[] KeyTwo = new uint[64];
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public uint Len;
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}
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PublicKey pubkey = new PublicKey();
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uint[] glob1 = new uint[64];
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uint glob1_bitlen, glob1_len_x2;
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uint[] glob2 = new uint[130];
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uint[] glob1_hi = new uint[4];
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uint[] glob1_hi_inv = new uint[4];
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uint glob1_hi_bitlen;
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uint glob1_hi_inv_lo, glob1_hi_inv_hi;
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uint[] globOne = new uint[64];
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uint globOneBitLen, globOneLenXTwo;
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uint[] globTwo = new uint[130];
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uint[] globOneHigh = new uint[4];
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uint[] globOneHighInv = new uint[4];
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uint globOneHighBitLen;
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uint globOneHighInvLow, globOneHighInvHigh;
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static void init_bignum(uint[] n, uint val, uint len)
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static void InitBigNum(uint[] n, uint val, uint len)
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{
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for (var i = 0; i < len; i++) n[i] = 0;
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n[0] = val;
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}
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static void move_key_to_big(uint[] n, byte[] key, uint klen, uint blen)
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static void MoveKeyToBig(uint[] n, byte[] key, uint klen, uint blen)
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{
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byte sign;
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@@ -51,9 +51,9 @@ namespace OpenRA.FileFormats
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unsafe
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{
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fixed (uint* _pn = &n[0])
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fixed (uint* tempPn = &n[0])
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{
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var pn = (byte*)_pn;
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var pn = (byte*)tempPn;
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var i = blen * 4;
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for (; i > klen; i--) pn[i - 1] = (byte)sign;
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for (; i > 0; i--) pn[i - 1] = key[klen - i];
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@@ -61,7 +61,7 @@ namespace OpenRA.FileFormats
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}
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}
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static void key_to_bignum(uint[] n, byte[] key, uint len)
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static void KeyToBigNum(uint[] n, byte[] key, uint len)
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{
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uint keylen;
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int i;
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@@ -84,10 +84,10 @@ namespace OpenRA.FileFormats
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}
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if (keylen <= len * 4)
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move_key_to_big(n, key.Skip(j).ToArray(), keylen, len);
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MoveKeyToBig(n, key.Skip(j).ToArray(), keylen, len);
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}
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static uint len_bignum(uint[] n, uint len)
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static uint LenBigNum(uint[] n, uint len)
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{
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uint i;
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i = len - 1;
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@@ -95,10 +95,10 @@ namespace OpenRA.FileFormats
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return i + 1;
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}
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static uint bitlen_bignum(uint[] n, uint len)
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static uint BitLenBigNum(uint[] n, uint len)
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{
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uint ddlen, bitlen, mask;
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ddlen = len_bignum(n, len);
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ddlen = LenBigNum(n, len);
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if (ddlen == 0) return 0;
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bitlen = ddlen * 32;
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mask = 0x80000000;
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@@ -111,21 +111,21 @@ namespace OpenRA.FileFormats
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return bitlen;
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}
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void init_pubkey()
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void InitPublicKey()
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{
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init_bignum(pubkey.key2, 0x10001, 64);
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InitBigNum(pubkey.KeyTwo, 0x10001, 64);
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key_to_bignum(pubkey.key1, Convert.FromBase64String(pubkeyStr), 64);
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pubkey.len = bitlen_bignum(pubkey.key1, 64) - 1;
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KeyToBigNum(pubkey.KeyOne, Convert.FromBase64String(PublicKeyString), 64);
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pubkey.Len = BitLenBigNum(pubkey.KeyOne, 64) - 1;
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}
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uint len_predata()
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uint LenPreData()
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{
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var a = (pubkey.len - 1) / 8;
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var a = (pubkey.Len - 1) / 8;
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return (55 / a + 1) * (a + 1);
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}
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static int cmp_bignum(uint[] n1, uint[] n2, uint len)
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static int CompareBigNum(uint[] n1, uint[] n2, uint len)
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{
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while (len > 0)
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{
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@@ -137,12 +137,12 @@ namespace OpenRA.FileFormats
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return 0;
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}
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static void mov_bignum(uint[] dest, uint[] src, uint len)
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static void MoveBigNum(uint[] dest, uint[] src, uint len)
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{
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Array.Copy(src, dest, len);
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}
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static void shr_bignum(uint[] n, int bits, int len)
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static void ShrBigNum(uint[] n, int bits, int len)
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{
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int i; var i2 = bits / 32;
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@@ -154,12 +154,11 @@ namespace OpenRA.FileFormats
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}
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if (bits == 0) return;
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for (i = 0; i < len - 1; i++) n[i] = (n[i] >> bits) | (n[i + 1] << (32 -
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bits));
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for (i = 0; i < len - 1; i++) n[i] = (n[i] >> bits) | (n[i + 1] << (32 - bits));
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n[i] = n[i] >> bits;
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}
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static void shl_bignum(uint[] n, int bits, int len)
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static void ShlBigNum(uint[] n, int bits, int len)
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{
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int i, i2;
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@@ -172,25 +171,24 @@ namespace OpenRA.FileFormats
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}
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if (bits == 0) return;
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for (i = len - 1; i > 0; i--) n[i] = (n[i] << bits) | (n[i - 1] >> (32 -
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bits));
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for (i = len - 1; i > 0; i--) n[i] = (n[i] << bits) | (n[i - 1] >> (32 - bits));
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n[0] <<= bits;
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}
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static uint sub_bignum(uint[] dest, uint[] src1, uint[] src2, uint carry, int len)
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static uint SubBigNum(uint[] dest, uint[] src1, uint[] src2, uint carry, int len)
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{
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uint i1, i2;
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len += len;
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unsafe
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{
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fixed (uint* _ps1 = &src1[0])
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fixed (uint* _ps2 = &src2[0])
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fixed (uint* _pd = &dest[0])
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fixed (uint* tempPs1 = &src1[0])
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fixed (uint* tempPs2 = &src2[0])
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fixed (uint* tempPd = &dest[0])
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{
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var ps1 = (ushort*)_ps1;
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var ps2 = (ushort*)_ps2;
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var pd = (ushort*)_pd;
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var ps1 = (ushort*)tempPs1;
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var ps2 = (ushort*)tempPs2;
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var pd = (ushort*)tempPd;
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while (--len != -1)
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{
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@@ -205,7 +203,7 @@ namespace OpenRA.FileFormats
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return carry;
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}
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static unsafe uint sub_bignum(uint* dest, uint* src1, uint* src2, uint carry, int len)
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static unsafe uint SubBigNum(uint* dest, uint* src1, uint* src2, uint carry, int len)
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{
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uint i1, i2;
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@@ -226,29 +224,29 @@ namespace OpenRA.FileFormats
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return carry;
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}
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static void inv_bignum(uint[] n1, uint[] n2, uint len)
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static void InvertBigNum(uint[] n1, uint[] n2, uint len)
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{
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var n_tmp = new uint[64];
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uint n2_bytelen, bit;
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int n2_bitlen;
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var nTmp = new uint[64];
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uint nTwoByteLen, bit;
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int nTwoBitLen;
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var j = 0;
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init_bignum(n_tmp, 0, len);
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init_bignum(n1, 0, len);
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n2_bitlen = (int)bitlen_bignum(n2, len);
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bit = ((uint)1) << (n2_bitlen % 32);
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j = ((n2_bitlen + 32) / 32) - 1;
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n2_bytelen = (uint)((n2_bitlen - 1) / 32) * 4;
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n_tmp[n2_bytelen / 4] |= ((uint)1) << ((n2_bitlen - 1) & 0x1f);
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InitBigNum(nTmp, 0, len);
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InitBigNum(n1, 0, len);
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nTwoBitLen = (int)BitLenBigNum(n2, len);
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bit = ((uint)1) << (nTwoBitLen % 32);
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j = ((nTwoBitLen + 32) / 32) - 1;
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nTwoByteLen = (uint)((nTwoBitLen - 1) / 32) * 4;
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nTmp[nTwoByteLen / 4] |= ((uint)1) << ((nTwoBitLen - 1) & 0x1f);
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while (n2_bitlen > 0)
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while (nTwoBitLen > 0)
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{
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n2_bitlen--;
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shl_bignum(n_tmp, 1, (int)len);
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if (cmp_bignum(n_tmp, n2, len) != -1)
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nTwoBitLen--;
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ShlBigNum(nTmp, 1, (int)len);
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if (CompareBigNum(nTmp, n2, len) != -1)
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{
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sub_bignum(n_tmp, n_tmp, n2, 0, (int)len);
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SubBigNum(nTmp, nTmp, n2, 0, (int)len);
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n1[j] |= bit;
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}
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@@ -260,45 +258,45 @@ namespace OpenRA.FileFormats
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}
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}
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init_bignum(n_tmp, 0, len);
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InitBigNum(nTmp, 0, len);
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}
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static void inc_bignum(uint[] n, uint len)
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static void IncrementBigNum(uint[] n, uint len)
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{
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var i = 0;
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while ((++n[i] == 0) && (--len > 0)) i++;
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}
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void init_two_dw(uint[] n, uint len)
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void InitTwoDw(uint[] n, uint len)
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{
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mov_bignum(glob1, n, len);
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glob1_bitlen = bitlen_bignum(glob1, len);
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glob1_len_x2 = (glob1_bitlen + 15) / 16;
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mov_bignum(glob1_hi, glob1.Skip((int)len_bignum(glob1, len) - 2).ToArray(), 2);
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glob1_hi_bitlen = bitlen_bignum(glob1_hi, 2) - 32;
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shr_bignum(glob1_hi, (int)glob1_hi_bitlen, 2);
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inv_bignum(glob1_hi_inv, glob1_hi, 2);
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shr_bignum(glob1_hi_inv, 1, 2);
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glob1_hi_bitlen = (glob1_hi_bitlen + 15) % 16 + 1;
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inc_bignum(glob1_hi_inv, 2);
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if (bitlen_bignum(glob1_hi_inv, 2) > 32)
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MoveBigNum(globOne, n, len);
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globOneBitLen = BitLenBigNum(globOne, len);
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globOneLenXTwo = (globOneBitLen + 15) / 16;
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MoveBigNum(globOneHigh, globOne.Skip((int)LenBigNum(globOne, len) - 2).ToArray(), 2);
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globOneHighBitLen = BitLenBigNum(globOneHigh, 2) - 32;
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ShrBigNum(globOneHigh, (int)globOneHighBitLen, 2);
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InvertBigNum(globOneHighInv, globOneHigh, 2);
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ShrBigNum(globOneHighInv, 1, 2);
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globOneHighBitLen = (globOneHighBitLen + 15) % 16 + 1;
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IncrementBigNum(globOneHighInv, 2);
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if (BitLenBigNum(globOneHighInv, 2) > 32)
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{
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shr_bignum(glob1_hi_inv, 1, 2);
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glob1_hi_bitlen--;
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ShrBigNum(globOneHighInv, 1, 2);
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globOneHighBitLen--;
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}
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glob1_hi_inv_lo = (ushort)glob1_hi_inv[0];
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glob1_hi_inv_hi = (ushort)(glob1_hi_inv[0] >> 16);
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globOneHighInvLow = (ushort)globOneHighInv[0];
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globOneHighInvHigh = (ushort)(globOneHighInv[0] >> 16);
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}
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static unsafe void mul_bignum_word(ushort* pn1, uint[] n2, uint mul, uint len)
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static unsafe void MulBignumWord(ushort* pn1, uint[] n2, uint mul, uint len)
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{
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uint i, tmp;
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unsafe
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{
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fixed (uint* _pn2 = &n2[0])
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fixed (uint* tempPn2 = &n2[0])
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{
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var pn2 = (ushort*)_pn2;
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var pn2 = (ushort*)tempPn2;
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tmp = 0;
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for (i = 0; i < len; i++)
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@@ -314,112 +312,112 @@ namespace OpenRA.FileFormats
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}
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}
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static void mul_bignum(uint[] dest, uint[] src1, uint[] src2, uint len)
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static void MulBigNum(uint[] dest, uint[] src1, uint[] src2, uint len)
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{
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uint i;
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uint i;
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unsafe
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{
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fixed (uint* _psrc2 = &src2[0])
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fixed (uint* _pdest = &dest[0])
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{
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var psrc2 = (ushort*)_psrc2;
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var pdest = (ushort*)_pdest;
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unsafe
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{
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fixed (uint* tempSrc2 = &src2[0])
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fixed (uint* tempPdest = &dest[0])
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{
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var psrc2 = (ushort*)tempSrc2;
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var pdest = (ushort*)tempPdest;
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init_bignum(dest, 0, len * 2);
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for (i = 0; i < len * 2; i++)
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mul_bignum_word(pdest++, src1, *psrc2++, len * 2);
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}
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}
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InitBigNum(dest, 0, len * 2);
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for (i = 0; i < len * 2; i++)
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MulBignumWord(pdest++, src1, *psrc2++, len * 2);
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}
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}
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}
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static void not_bignum(uint[] n, uint len)
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static void NotBigNum(uint[] n, uint len)
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{
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uint i;
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for (i = 0; i < len; i++) n[i] = ~n[i];
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uint i;
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for (i = 0; i < len; i++) n[i] = ~n[i];
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}
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static void neg_bignum(uint[] n, uint len)
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static void NegBigNum(uint[] n, uint len)
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{
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not_bignum(n, len);
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inc_bignum(n, len);
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NotBigNum(n, len);
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IncrementBigNum(n, len);
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}
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unsafe uint get_mulword(uint* n)
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unsafe uint GetMulWord(uint* n)
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{
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var wn = (ushort*)n;
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var i = (uint)((((((((((*(wn - 1) ^ 0xffff) & 0xffff) * glob1_hi_inv_lo + 0x10000) >> 1)
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+ (((*(wn - 2) ^ 0xffff) * glob1_hi_inv_hi + glob1_hi_inv_hi) >> 1) + 1)
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>> 16) + ((((*(wn - 1) ^ 0xffff) & 0xffff) * glob1_hi_inv_hi) >> 1) +
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(((*wn ^ 0xffff) * glob1_hi_inv_lo) >> 1) + 1) >> 14) + glob1_hi_inv_hi
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* (*wn ^ 0xffff) * 2) >> (int)glob1_hi_bitlen);
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var i = (uint)((((((((((*(wn - 1) ^ 0xffff) & 0xffff) * globOneHighInvLow + 0x10000) >> 1)
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+ (((*(wn - 2) ^ 0xffff) * globOneHighInvHigh + globOneHighInvHigh) >> 1) + 1)
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>> 16) + ((((*(wn - 1) ^ 0xffff) & 0xffff) * globOneHighInvHigh) >> 1) +
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(((*wn ^ 0xffff) * globOneHighInvLow) >> 1) + 1) >> 14) + globOneHighInvHigh
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* (*wn ^ 0xffff) * 2) >> (int)globOneHighBitLen);
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if (i > 0xffff) i = 0xffff;
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return i & 0xffff;
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}
|
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static void dec_bignum(uint[] n, uint len)
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static void DecBigNum(uint[] n, uint len)
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{
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var i = 0;
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while ((--n[i] == 0xffffffff) && (--len > 0))
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i++;
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}
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void calc_a_bignum(uint[] n1, uint[] n2, uint[] n3, uint len)
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void CalcBigNum(uint[] n1, uint[] n2, uint[] n3, uint len)
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{
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uint g2_len_x2, len_diff;
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uint globTwoXtwo, lenDiff;
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unsafe
|
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{
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fixed (uint* g1 = &glob1[0])
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fixed (uint* g2 = &glob2[0])
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fixed (uint* g1 = &globOne[0])
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fixed (uint* g2 = &globTwo[0])
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{
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mul_bignum(glob2, n2, n3, len);
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glob2[len * 2] = 0;
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g2_len_x2 = len_bignum(glob2, len * 2 + 1) * 2;
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if (g2_len_x2 >= glob1_len_x2)
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MulBigNum(globTwo, n2, n3, len);
|
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globTwo[len * 2] = 0;
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globTwoXtwo = LenBigNum(globTwo, len * 2 + 1) * 2;
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if (globTwoXtwo >= globOneLenXTwo)
|
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{
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inc_bignum(glob2, len * 2 + 1);
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neg_bignum(glob2, len * 2 + 1);
|
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len_diff = g2_len_x2 + 1 - glob1_len_x2;
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var esi = ((ushort*)g2) + (1 + g2_len_x2 - glob1_len_x2);
|
||||
var edi = ((ushort*)g2) + (g2_len_x2 + 1);
|
||||
for (; len_diff != 0; len_diff--)
|
||||
IncrementBigNum(globTwo, len * 2 + 1);
|
||||
NegBigNum(globTwo, len * 2 + 1);
|
||||
lenDiff = globTwoXtwo + 1 - globOneLenXTwo;
|
||||
var esi = ((ushort*)g2) + (1 + globTwoXtwo - globOneLenXTwo);
|
||||
var edi = ((ushort*)g2) + (globTwoXtwo + 1);
|
||||
for (; lenDiff != 0; lenDiff--)
|
||||
{
|
||||
edi--;
|
||||
var tmp = get_mulword((uint*)edi);
|
||||
var tmp = GetMulWord((uint*)edi);
|
||||
esi--;
|
||||
if (tmp > 0)
|
||||
{
|
||||
mul_bignum_word(esi, glob1, tmp, 2 * len);
|
||||
MulBignumWord(esi, globOne, tmp, 2 * len);
|
||||
if ((*edi & 0x8000) == 0)
|
||||
{
|
||||
if (0 != sub_bignum((uint*)esi, (uint*)esi, g1, 0, (int)len))(*edi)--;
|
||||
if (0 != SubBigNum((uint*)esi, (uint*)esi, g1, 0, (int)len))(*edi)--;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
neg_bignum(glob2, len);
|
||||
dec_bignum(glob2, len);
|
||||
NegBigNum(globTwo, len);
|
||||
DecBigNum(globTwo, len);
|
||||
}
|
||||
|
||||
mov_bignum(n1, glob2, len);
|
||||
MoveBigNum(n1, globTwo, len);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void clear_tmp_vars(uint len)
|
||||
void ClearTempVars(uint len)
|
||||
{
|
||||
init_bignum(glob1, 0, len);
|
||||
init_bignum(glob2, 0, len);
|
||||
init_bignum(glob1_hi_inv, 0, 4);
|
||||
init_bignum(glob1_hi, 0, 4);
|
||||
glob1_bitlen = 0;
|
||||
glob1_hi_bitlen = 0;
|
||||
glob1_len_x2 = 0;
|
||||
glob1_hi_inv_lo = 0;
|
||||
glob1_hi_inv_hi = 0;
|
||||
InitBigNum(globOne, 0, len);
|
||||
InitBigNum(globTwo, 0, len);
|
||||
InitBigNum(globOneHighInv, 0, 4);
|
||||
InitBigNum(globOneHigh, 0, 4);
|
||||
globOneBitLen = 0;
|
||||
globOneHighBitLen = 0;
|
||||
globOneLenXTwo = 0;
|
||||
globOneHighInvLow = 0;
|
||||
globOneHighInvHigh = 0;
|
||||
}
|
||||
|
||||
void calc_a_key(uint[] n1, uint[] n2, uint[] n3, uint[] n4, uint len)
|
||||
void CalcKey(uint[] n1, uint[] n2, uint[] n3, uint[] n4, uint len)
|
||||
{
|
||||
var n_tmp = new uint[64];
|
||||
uint n3_len, n4_len;
|
||||
@@ -428,19 +426,19 @@ namespace OpenRA.FileFormats
|
||||
|
||||
unsafe
|
||||
{
|
||||
fixed (uint* _pn3 = &n3[0])
|
||||
fixed (uint* tempPn3 = &n3[0])
|
||||
{
|
||||
var pn3 = _pn3;
|
||||
var pn3 = tempPn3;
|
||||
|
||||
init_bignum(n1, 1, len);
|
||||
n4_len = len_bignum(n4, len);
|
||||
init_two_dw(n4, n4_len);
|
||||
n3_bitlen = (int)bitlen_bignum(n3, n4_len);
|
||||
InitBigNum(n1, 1, len);
|
||||
n4_len = LenBigNum(n4, len);
|
||||
InitTwoDw(n4, n4_len);
|
||||
n3_bitlen = (int)BitLenBigNum(n3, n4_len);
|
||||
n3_len = (uint)((n3_bitlen + 31) / 32);
|
||||
bit_mask = (((uint)1) << ((n3_bitlen - 1) % 32)) >> 1;
|
||||
pn3 += n3_len - 1;
|
||||
n3_bitlen--;
|
||||
mov_bignum(n1, n2, n4_len);
|
||||
MoveBigNum(n1, n2, n4_len);
|
||||
while (--n3_bitlen != -1)
|
||||
{
|
||||
if (bit_mask == 0)
|
||||
@@ -449,40 +447,40 @@ namespace OpenRA.FileFormats
|
||||
pn3--;
|
||||
}
|
||||
|
||||
calc_a_bignum(n_tmp, n1, n1, n4_len);
|
||||
CalcBigNum(n_tmp, n1, n1, n4_len);
|
||||
if ((*pn3 & bit_mask) != 0)
|
||||
calc_a_bignum(n1, n_tmp, n2, n4_len);
|
||||
CalcBigNum(n1, n_tmp, n2, n4_len);
|
||||
else
|
||||
mov_bignum(n1, n_tmp, n4_len);
|
||||
MoveBigNum(n1, n_tmp, n4_len);
|
||||
bit_mask >>= 1;
|
||||
}
|
||||
|
||||
init_bignum(n_tmp, 0, n4_len);
|
||||
clear_tmp_vars(len);
|
||||
InitBigNum(n_tmp, 0, n4_len);
|
||||
ClearTempVars(len);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static unsafe void memcpy(byte* dest, byte* src, int len)
|
||||
static unsafe void Memcopy(byte* dest, byte* src, int len)
|
||||
{
|
||||
while (len-- != 0) *dest++ = *src++;
|
||||
}
|
||||
|
||||
unsafe void process_predata(byte* pre, uint pre_len, byte* buf)
|
||||
unsafe void ProcessPredata(byte* pre, uint pre_len, byte* buf)
|
||||
{
|
||||
var n2 = new uint[64];
|
||||
var n3 = new uint[64];
|
||||
|
||||
var a = (pubkey.len - 1) / 8;
|
||||
var a = (pubkey.Len - 1) / 8;
|
||||
while (a + 1 <= pre_len)
|
||||
{
|
||||
init_bignum(n2, 0, 64);
|
||||
InitBigNum(n2, 0, 64);
|
||||
fixed (uint* pn2 = &n2[0])
|
||||
memcpy((byte*)pn2, pre, (int)a + 1);
|
||||
calc_a_key(n3, n2, pubkey.key2, pubkey.key1, 64);
|
||||
Memcopy((byte*)pn2, pre, (int)a + 1);
|
||||
CalcKey(n3, n2, pubkey.KeyTwo, pubkey.KeyOne, 64);
|
||||
|
||||
fixed (uint* pn3 = &n3[0])
|
||||
memcpy(buf, (byte*)pn3, (int)a);
|
||||
Memcopy(buf, (byte*)pn3, (int)a);
|
||||
|
||||
pre_len -= a + 1;
|
||||
pre += a + 1;
|
||||
@@ -492,14 +490,14 @@ namespace OpenRA.FileFormats
|
||||
|
||||
public byte[] DecryptKey(byte[] src)
|
||||
{
|
||||
init_pubkey();
|
||||
InitPublicKey();
|
||||
var dest = new byte[256];
|
||||
|
||||
unsafe
|
||||
{
|
||||
fixed (byte* pdest = &dest[0])
|
||||
fixed (byte* psrc = &src[0])
|
||||
process_predata(psrc, len_predata(), pdest);
|
||||
ProcessPredata(psrc, LenPreData(), pdest);
|
||||
}
|
||||
|
||||
return dest.Take(56).ToArray();
|
||||
|
||||
Reference in New Issue
Block a user