SHA-2

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Revision as of 08:26, 17 November 2013 by DonFabuuk Resident (talk | contribs) (Corrected a small typo in the second sentence.)
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Preforms a SHA2 Hash on the text. Similar to a MD5 hash, although (slightly) more secure. Two versions of the function are provided, one for UTF-8 Strings (all strings in LSL are UTF-8) and the other is for Base64 Strings (you need to tell it how many bits long the data is).

View http://en.wikipedia.org/wiki/SHA1 for more information.

SHA-256

<lsl>////////////////////////////////////////////////////////////////////////////////////// // // UTF-8 SHA2-256 // Version 1.1 // ESL Compiled: "Oct 25 2007", "14:34:37" // Copyright (C) 2007 Strife Onizuka // Based on Pseudo-code from http://en.wikipedia.org/wiki/SHA1 // https://wiki.secondlife.com/wiki/SHA2 // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public License // as published by the Free Software Foundation; // version 3 of the License. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with this library. If not, see <http://www.gnu.org/licenses/> // or write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, // Boston, MA 02111-1307 USA // //////////////////////////////////////////////////////////////////////////////////////

//===================================================// // Combined Library // // "Oct 25 2007", "14:34:37" // // Copyright (C) 2004-2007, Strife Onizuka (cc-by) // // http://creativecommons.org/licenses/by/3.0/ // //===================================================// //{

string TrimRight(string src, string chrs)//Mono Unsafe, LSO Safe {

   integer i = llStringLength(src);
   do;while(~llSubStringIndex(chrs, llGetSubString(src, (i = ~-i), i)) && i);
   return llDeleteSubString(src, (-~(i)), 0xFFFF);

}

string hexc="0123456789ABCDEF";

//} Combined Library


list k = [

   0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
   0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
   0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
   0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
   0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
   0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
   0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
   0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];

string UTF8_SHA_256(string plain) {

   integer H1 = 0x6a09e667;
   integer H2 = 0xbb67ae85;
   integer H3 = 0x3c6ef372;
   integer H4 = 0xa54ff53a;
   integer H5 = 0x510e527f;
   integer H6 = 0x9b05688c;
   integer H7 = 0x1f83d9ab;
   integer H8 = 0x5be0cd19;
   //OR on the extra bit.
   integer j = llStringLength(plain) << 3;
   integer b = (~-(((j + 552) & -512) >> 5));
   integer T = llBase64ToInteger(TrimRight(llGetSubString(plain = llStringToBase64(plain), -4, -1),"=")+"AAAA");
   string buf = "AAA";
   integer i = -5;

do buf += buf; while((i = -~i));

   if(j)
   {
       i = 0x800000;
       if(T & 0xFF00)
           i = 0x00000080;
       else if(T & 0xFF0000)
           i = 0x00008000;
   }
   else
       T = 0x80000000;//T is corrupt because of https://jira.secondlife.com/browse/SVC-104

// llOwnerSay(llList2CSV([i,j]));

   plain = llGetSubString( llDeleteSubString(plain, -4, -1) + 
                           llGetSubString(llIntegerToBase64(T | i), 0, 5) + 
                           buf, 0, (b << 4) / 3) + 
           llIntegerToBase64(j << (6 - ((b % 3) << 1)));
   list x;
   integer S;
   i = 0;

do

   {
       integer A = H1;
       integer B = H2;
       integer C = H3;
       integer D = H4;
       integer E = H5;
       integer F = H6;
       integer G = H7;
       integer H = H8;
       x = (list)(j = 0);//the zero gets flushed off the stack by the later loop
       do
       {
           T = llBase64ToInteger(buf = llGetSubString(plain, T = ((i + j) << 4) / 3, T+6)) << (S = (((i + j) % 3) << 1));
           if(S)
               T = T | (llBase64ToInteger("A"+llDeleteSubString(buf, 0, 1)) >> (6 - S));

// llOwnerSay("W["+(string)j+"]="+hex(T));

           x += T;
           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, j);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(16 > (j = -~j));

// llOwnerSay(llList2CSV(hexm(x)));

       do
       {
           T = llList2Integer(x, -15);
           S = llList2Integer(x, -2);
           x = llList2List(x + T = llList2Integer(x,  -16) + 
                                   (((T << 25) | ((T >>  7) & 0x1FFFFFF)) ^ 
                                    ((T << 14) | ((T >> 18) & 0x3FFF)) ^ 
                                    ((T >>  3) & 0x1FFFFFFF)) + 
                                   llList2Integer(x,  -7) + 
                                   (((S << 15) | ((S >> 17) & 0x0007FFF)) ^ 
                                    ((S << 13) | ((S >> 19) & 0x1FFF)) ^ 
                                    ((S >> 10) & 0x03FFFFF)), -16, -1);

// llOwnerSay("W["+(string)j+"]="+hex(T));

           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, j);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(64 > (j = -~j));
       H1 += A;
       H2 += B;
       H3 += C;
       H4 += D;
       H5 += E;
       H6 += F;
       H7 += G;
       H8 += H;
   }while(b > i += 16);

x = [H1, H2, H3, H4, H5, H6, H7, H8];

   i = -8;

buf = "";

   do
   {
       T = llList2Integer(x,i);
       j = 32;
       do
           buf += llGetSubString(hexc, b = ((T >> (j -= 4)) & 0xF), b);
       while (j);
   }while ((i = -~i));
   return buf;

}

string Base64_SHA_256(string plain, integer bit_length) {//$[E20009]

   integer H1 = 0x6a09e667;
   integer H2 = 0xbb67ae85;
   integer H3 = 0x3c6ef372;
   integer H4 = 0xa54ff53a;
   integer H5 = 0x510e527f;
   integer H6 = 0x9b05688c;
   integer H7 = 0x1f83d9ab;
   integer H8 = 0x5be0cd19;
   //OR on the extra bit.
   integer b = (~-(((bit_length + 552) & -512) >> 5));
   integer T = llBase64ToInteger(TrimRight(llGetSubString(plain = llStringToBase64(plain), -4, -1),"=")+"AAAA");
   string buf = "AAA";
   integer i = -5;

do buf += buf; while((i = -~i));

   if(bit_length)
   {
       i = 0x800000;
       if(T & 0xFF00)
           i = 0x00000080;
       else if(T & 0xFF0000)
           i = 0x00008000;
   }
   else
       T = 0x80000000;//T is corrupt because of https://jira.secondlife.com/browse/SVC-104

// llOwnerSay(llList2CSV([i,bit_length]));

   plain = llGetSubString( llDeleteSubString(plain, -4, -1) + 
                           llGetSubString(llIntegerToBase64(T | i), 0, 5) + 
                           buf, 0, (b << 4) / 3) + 
           llIntegerToBase64(bit_length << (6 - ((b % 3) << 1)));
   list x;
   integer S;
   i = 0;

do

   {
       integer A = H1;
       integer B = H2;
       integer C = H3;
       integer D = H4;
       integer E = H5;
       integer F = H6;
       integer G = H7;
       integer H = H8;
       x = (list)(bit_length = 0);//the zero gets flushed off the stack by the later loop

do

       {
           T = llBase64ToInteger(buf = llGetSubString(plain, T = ((i + bit_length) << 4) / 3, T+6)) << (S = (((i + bit_length) % 3) << 1));
           if(S)
               T = T | (llBase64ToInteger("A"+llDeleteSubString(buf, 0, 1)) >> (6 - S));

// llOwnerSay("W["+(string)bit_length+"]="+hex(T));

           x += T;
           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, bit_length);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(16 > (bit_length = -~bit_length));

// llOwnerSay(llList2CSV(hexm(x)));

       do
       {
           T = llList2Integer(x, -15);
           S = llList2Integer(x, -2);
           x = llList2List(x + T = llList2Integer(x,  -16) + 
                                   (((T << 25) | ((T >>  7) & 0x1FFFFFF)) ^ 
                                    ((T << 14) | ((T >> 18) & 0x3FFF)) ^ 
                                    ((T >> 3) & 0x1FFFFFFF)) + 
                                   llList2Integer(x,  -7) + 
                                   (((S << 15) | ((S >> 17) & 0x7FFF)) ^ 
                                    ((S << 13) | ((S >> 19) & 0x1FFF)) ^ 
                                    ((S >> 10) & 0x3FFFFF)), -16, -1);

// llOwnerSay("W["+(string)bit_length+"]="+hex(T));

           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, bit_length);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(64 > (bit_length = -~bit_length));
       H1 += A;
       H2 += B;
       H3 += C;
       H4 += D;
       H5 += E;
       H6 += F;
       H7 += G;
       H8 += H;
   }while(b > i += 16);
   x = [H1, H2, H3, H4, H5, H6, H7, H8];
   i = -8;
   buf = "";
   do
   {
       T = llList2Integer(x,i);
       bit_length = 32;
       do
           buf += llGetSubString(hexc, b = ((T >> (bit_length -= 4)) & 0xF), b);
       while (bit_length);
   }while ((i = -~i));
   return buf;

}

go(string in, string answer) {

   llOwnerSay("");
   llResetTime();
   string out = UTF8_SHA_256(in);
   float t = llGetTime();
   llOwnerSay(llList2CSV([out,t,llStringLength(in)]));
   if(answer)llOwnerSay(answer);

}

default {

   state_entry()
   {
       go("","E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855");
       go("abc","BA7816BF8F01CFEA414140DE5DAE2223B00361A396177A9CB410FF61F20015AD");
       go("The quick brown fox jumps over the lazy dog","D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592");
       go("D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592","");

// llOwnerSay((string)llGetTime());

   }

}</lsl>

SHA-224

<lsl>////////////////////////////////////////////////////////////////////////////////////// // // UTF-8 SHA2-224 // Version 1.1 // ESL Compiled: "Oct 25 2007", "14:34:57" // Copyright (C) 2007 Strife Onizuka // Based on Pseudo-code from http://en.wikipedia.org/wiki/SHA1 // https://wiki.secondlife.com/wiki/SHA2 // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public License // as published by the Free Software Foundation; // version 3 of the License. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with this library. If not, see <http://www.gnu.org/licenses/> // or write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, // Boston, MA 02111-1307 USA // //////////////////////////////////////////////////////////////////////////////////////

//===================================================// // Combined Library // // "Oct 25 2007", "14:34:57" // // Copyright (C) 2004-2007, Strife Onizuka (cc-by) // // http://creativecommons.org/licenses/by/3.0/ // //===================================================// //{

string TrimRight(string src, string chrs)//Mono Unsafe, LSO Safe {

   integer i = llStringLength(src);
   do;while(~llSubStringIndex(chrs, llGetSubString(src, (i = ~-i), i)) && i);
   return llDeleteSubString(src, (-~(i)), 0xFFFF);

}

string hexc="0123456789ABCDEF";

//} Combined Library


list k = [

   0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
   0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
   0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
   0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
   0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
   0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
   0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
   0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];

string UTF8_SHA_224(string plain) {

   integer H1 = 0xC1059ED8;
   integer H2 = 0x367CD507;
   integer H3 = 0x3070DD17;
   integer H4 = 0xF70E5939;
   integer H5 = 0xFFC00B31;
   integer H6 = 0x68581511;
   integer H7 = 0x64F98FA7;
   integer H8 = 0xBEFA4FA4;
   //OR on the extra bit.
   integer j = llStringLength(plain) << 3;
   integer b = (~-(((j + 552) & -512) >> 5));
   integer T = llBase64ToInteger(TrimRight(llGetSubString(plain = llStringToBase64(plain), -4, -1),"=")+"AAAA");
   string buf = "AAA";
   integer i = -5;

do buf += buf; while((i = -~i));

   if(j)
   {
       i = 0x800000;
       if(T & 0xFF00)
           i = 0x00000080;
       else if(T & 0xFF0000)
           i = 0x00008000;
   }
   else
       T = 0x80000000;//T is corrupt because of https://jira.secondlife.com/browse/SVC-104

// llOwnerSay(llList2CSV([i,j]));

   plain = llGetSubString( llDeleteSubString(plain, -4, -1) + 
                           llGetSubString(llIntegerToBase64(T | i), 0, 5) + 
                           buf, 0, (b << 4) / 3) + 
           llIntegerToBase64(j << (6 - ((b % 3) << 1)));
   list x;
   integer S;
   i = 0;
   do
   {
       integer A = H1;
       integer B = H2;
       integer C = H3;
       integer D = H4;
       integer E = H5;
       integer F = H6;
       integer G = H7;
       integer H = H8;
       x = (list)(j = 0);//the zero gets flushed off the stack by the later loop
       do
       {
           T = llBase64ToInteger(buf = llGetSubString(plain, T = ((i + j) << 4) / 3, 6+T)) << (S = (((i + j) % 3) << 1));
           if(S)
               T = T | (llBase64ToInteger("A"+llDeleteSubString(buf, 0, 1)) >> (6 - S));

// llOwnerSay("W["+(string)j+"]="+hex(T));

           x += T;
           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, j);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(16 > (j = -~j));

// llOwnerSay(llList2CSV(hexm(x)));

       do
       {
           T = llList2Integer(x, -15);
           S = llList2Integer(x, -2);
           x = llList2List(x + T = llList2Integer(x,  -16) + 
                                   (((T << 25) | ((T >>  7) & 0x1FFFFFF)) ^ 
                                    ((T << 14) | ((T >> 18) & 0x3FFF)) ^ 
                                    ((T >>  3) & 0x1FFFFFFF)) + 
                                   llList2Integer(x,  -7) + 
                                   (((S << 15) | ((S >> 17) & 0x0007FFF)) ^ 
                                    ((S << 13) | ((S >> 19) & 0x1FFF)) ^ 
                                    ((S >> 10) & 0x03FFFFF)), -16, -1);

// llOwnerSay("W["+(string)j+"]="+hex(T));

           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, j);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(64 > (j = -~j));
       H1 += A;
       H2 += B;
       H3 += C;
       H4 += D;
       H5 += E;
       H6 += F;
       H7 += G;
       H8 += H;
   }while(b > i += 16);
   x = [H1, H2, H3, H4, H5, H6, H7];//, H8];
   i = -7;
   buf = "";
   do
   {
       T = llList2Integer(x,i);
       j = 32;
       do
           buf += llGetSubString(hexc, b = ((T >> (j -= 4)) & 0xF), b);
       while (j);
   }while ((i = -~i));
   return buf;

}

string Base64_SHA_224(string plain, integer bit_length) {//$[E20009]

   integer H1 = 0xC1059ED8;
   integer H2 = 0x367CD507;
   integer H3 = 0x3070DD17;
   integer H4 = 0xF70E5939;
   integer H5 = 0xFFC00B31;
   integer H6 = 0x68581511;
   integer H7 = 0x64F98FA7;
   integer H8 = 0xBEFA4FA4;
   //OR on the extra bit.
   integer b = (~-(((bit_length + 552) & -512) >> 5));
   integer T = llBase64ToInteger(TrimRight(llGetSubString(plain = llStringToBase64(plain), -4, -1),"=")+"AAAA");
   string buf = "AAA";
   integer i = -5;

do buf += buf; while((i = -~i));

   if(bit_length)
   {
       i = 0x800000;
       if(T & 0xFF00)
           i = 0x00000080;
       else if(T & 0xFF0000)
           i = 0x00008000;
   }
   else
       T = 0x80000000;//T is corrupt because of https://jira.secondlife.com/browse/SVC-104

// llOwnerSay(llList2CSV([i,bit_length]));

   plain = llGetSubString( llDeleteSubString(plain, -4, -1) + 
                           llGetSubString(llIntegerToBase64(T | i), 0, 5) + 
                           buf, 0, (b << 4) / 3) + 
           llIntegerToBase64(bit_length << (6 - ((b % 3) << 1)));
   list x;
   integer S;
   i = 0;
   do
   {
       integer A = H1;
       integer B = H2;
       integer C = H3;
       integer D = H4;
       integer E = H5;
       integer F = H6;
       integer G = H7;
       integer H = H8;
       x = (list)(bit_length = 0);//the zero gets flushed off the stack by the later loop
       do
       {
           T = llBase64ToInteger(buf = llGetSubString(plain, T = ((i + bit_length) << 4) / 3, T+6)) << (S = (((i + bit_length) % 3) << 1));
           if(S)
               T = T | (llBase64ToInteger("A"+llDeleteSubString(buf, 0, 1)) >> (6 - S));

// llOwnerSay("W["+(string)bit_length+"]="+hex(T));

           x += T;
           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, bit_length);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(16 > (bit_length = -~bit_length));

// llOwnerSay(llList2CSV(hexm(x)));

       do
       {
           T = llList2Integer(x, -15);
           S = llList2Integer(x, -2);
           x = llList2List(x + T = llList2Integer(x,  -16) + 
                                   (((T << 25) | ((T >>  7) & 0x1FFFFFF)) ^ 
                                    ((T << 14) | ((T >> 18) & 0x3FFF)) ^ 
                                    ((T >> 3) & 0x1FFFFFFF)) + 
                                   llList2Integer(x,  -7) + 
                                   (((S << 15) | ((S >> 17) & 0x7FFF)) ^ 
                                    ((S << 13) | ((S >> 19) & 0x1FFF)) ^ 
                                    ((S >> 10) & 0x3FFFFF)), -16, -1);

// llOwnerSay("W["+(string)bit_length+"]="+hex(T));

           T += H + (((E << 26) | ((E >>  6) & 0x3FFFFFF)) ^ 
                     ((E << 21) | ((E >> 11) & 0x1FFFFF)) ^ 
                     ((E <<  7) | ((E >> 25) & 0x7F))) + 
                    ((E & F) ^ ((~E) & G)) + llList2Integer(k, bit_length);
           H = G;
           G = F;
           F = E;
           E = D + T;
           D = C;
           C = B;
           B = A;
           A = T + (((B << 30) | ((B >>  2) & 0x3FFFFFFF)) ^ 
                    ((B << 19) | ((B >> 13) & 0x7FFFF)) ^ 
                    ((B << 10) | ((B >> 22) & 0x3FF))) + 
                   ((B & C) ^ (B & D) ^ (C & D));
       }while(64 > (bit_length = -~bit_length));
       H1 += A;
       H2 += B;
       H3 += C;
       H4 += D;
       H5 += E;
       H6 += F;
       H7 += G;
       H8 += H;
   }while(b > i += 16);
   x = [H1, H2, H3, H4, H5, H6, H7, H8];
   i = -8;
   buf = "";
   do
   {
       T = llList2Integer(x,i);
       bit_length = 32;
       do
           buf += llGetSubString(hexc, b = ((T >> (bit_length -= 4)) & 0xF), b);
       while (bit_length);
   }while ((i = -~i));
   return buf;

}

go(string in, string answer) {

   llOwnerSay("");
   llResetTime();
   string out = UTF8_SHA_224(in);
   float t = llGetTime();
   llOwnerSay(llList2CSV([out,t,llStringLength(in)]));
   if(answer)llOwnerSay(answer);

}

default {

   state_entry()
   {
       go("","D14A028C2A3A2BC9476102BB288234C415A2B01F828EA62AC5B3E42F");
       go("abc","23097D223405D8228642A477BDA255B32AADBCE4BDA0B3F7E36C9DA7");
       go("The quick brown fox jumps over the lazy dog","730E109BD7A8A32B1CB9D9A09AA2325D2430587DDBC0C38BAD911525");
       go("D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592","");

// llOwnerSay((string)llGetTime());

   }

}</lsl>