mirror of
https://github.com/StephenGenusa/DCPCrypt.git
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5fc435d45f
DCPCrypt by David Barton updated and tested with Delphi 2009, 2010, XE, XE2, XE3, XE4, XE5 by Warren Postma. Updated for XE7 by Stephen Genusa.
398 lines
36 KiB
ObjectPascal
398 lines
36 KiB
ObjectPascal
{******************************************************************************}
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{* DCPcrypt v2.0 written by David Barton (crypto@cityinthesky.co.uk) **********}
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{******************************************************************************}
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{* A binary compatible implementation of SHA512 *******************************}
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{******************************************************************************}
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{* Copyright (c) 1999-2002 David Barton *}
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{* Permission is hereby granted, free of charge, to any person obtaining a *}
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{* copy of this software and associated documentation files (the "Software"), *}
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{* to deal in the Software without restriction, including without limitation *}
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{* the rights to use, copy, modify, merge, publish, distribute, sublicense, *}
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{* and/or sell copies of the Software, and to permit persons to whom the *}
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{* Software is furnished to do so, subject to the following conditions: *}
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{* *}
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{* The above copyright notice and this permission notice shall be included in *}
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{* all copies or substantial portions of the Software. *}
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{* *}
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{* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *}
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{* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *}
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{* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *}
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{* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *}
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{* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *}
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{* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *}
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{* DEALINGS IN THE SOFTWARE. *}
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{******************************************************************************}
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unit DCPsha512;
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interface
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uses
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Classes, Sysutils, DCPcrypt2, DCPconst;
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type
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TDCP_sha512base= class(TDCP_hash)
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protected
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LenHi, LenLo: int64;
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Index: DWord;
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CurrentHash: array[0..7] of int64;
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HashBuffer: array[0..127] of byte;
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procedure Compress;
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public
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procedure Update(const Buffer; Size: longword); override;
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procedure Burn; override;
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end;
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TDCP_sha384= class(TDCP_sha512base)
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public
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class function GetId: integer; override;
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class function GetAlgorithm: string; override;
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class function GetHashSize: integer; override;
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class function SelfTest: boolean; override;
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procedure Init; override;
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procedure Final(var Digest); override;
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end;
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TDCP_sha512= class(TDCP_sha512base)
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public
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class function GetId: integer; override;
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class function GetAlgorithm: string; override;
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class function GetHashSize: integer; override;
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class function SelfTest: boolean; override;
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procedure Init; override;
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procedure Final(var Digest); override;
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end;
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{******************************************************************************}
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{******************************************************************************}
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implementation
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{$R-}{$Q-}
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function SwapDWord(a: int64): int64;
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begin
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Result:= ((a and $FF) shl 56) or ((a and $FF00) shl 40) or ((a and $FF0000) shl 24) or ((a and $FF000000) shl 8) or
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((a and $FF00000000) shr 8) or ((a and $FF0000000000) shr 24) or ((a and $FF000000000000) shr 40) or ((a and $FF00000000000000) shr 56);
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end;
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procedure TDCP_sha512base.Compress;
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var
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a, b, c, d, e, f, g, h, t1, t2: int64;
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W: array[0..79] of int64;
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i: longword;
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begin
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Index:= 0;
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FillChar(W, SizeOf(W), 0);
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a:= CurrentHash[0]; b:= CurrentHash[1]; c:= CurrentHash[2]; d:= CurrentHash[3];
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e:= CurrentHash[4]; f:= CurrentHash[5]; g:= CurrentHash[6]; h:= CurrentHash[7];
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Move(HashBuffer,W,Sizeof(HashBuffer));
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for i:= 0 to 15 do
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W[i]:= SwapDWord(W[i]);
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for i:= 16 to 79 do
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W[i]:= (((W[i-2] shr 19) or (W[i-2] shl 45)) xor ((W[i-2] shr 61) or (W[i-2] shl 3)) xor
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(W[i-2] shr 6)) + W[i-7] + (((W[i-15] shr 1) or (W[i-15] shl 63)) xor ((W[i-15] shr 8) or
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(W[i-15] shl 56)) xor (W[i-15] shr 7)) + W[i-16];
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{
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Non-optimised version
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for i:= 0 to 79 do
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begin
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t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) +
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((e and f) xor (not e and g)) + K[i] + W[i];
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t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) +
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((a and b) xor (a and c) xor (b and c));
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h:= g; g:= f; f:= e; e:= d + t1; d:= c; c:= b; b:= a; a:= t1 + t2;
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end;
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}
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t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $428a2f98d728ae22 + W[0]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
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t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $7137449123ef65cd + W[1]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
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t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $b5c0fbcfec4d3b2f + W[2]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
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t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $e9b5dba58189dbbc + W[3]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
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t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $3956c25bf348b538 + W[4]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
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t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $59f111f1b605d019 + W[5]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
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t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $923f82a4af194f9b + W[6]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
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t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $ab1c5ed5da6d8118 + W[7]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
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t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $d807aa98a3030242 + W[8]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
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t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $12835b0145706fbe + W[9]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
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t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $243185be4ee4b28c + W[10]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
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t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $550c7dc3d5ffb4e2 + W[11]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
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t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $72be5d74f27b896f + W[12]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
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t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $80deb1fe3b1696b1 + W[13]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
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t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $9bdc06a725c71235 + W[14]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
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t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $c19bf174cf692694 + W[15]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
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t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $e49b69c19ef14ad2 + W[16]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
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t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $efbe4786384f25e3 + W[17]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
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t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $0fc19dc68b8cd5b5 + W[18]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
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t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $240ca1cc77ac9c65 + W[19]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
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t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $2de92c6f592b0275 + W[20]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
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t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $4a7484aa6ea6e483 + W[21]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
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t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $5cb0a9dcbd41fbd4 + W[22]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
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t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $76f988da831153b5 + W[23]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
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t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $983e5152ee66dfab + W[24]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
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t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $a831c66d2db43210 + W[25]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
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t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $b00327c898fb213f + W[26]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
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t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $bf597fc7beef0ee4 + W[27]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
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t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $c6e00bf33da88fc2 + W[28]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
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t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $d5a79147930aa725 + W[29]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
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t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $06ca6351e003826f + W[30]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
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t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $142929670a0e6e70 + W[31]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
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t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $27b70a8546d22ffc + W[32]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
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t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $2e1b21385c26c926 + W[33]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
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t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $4d2c6dfc5ac42aed + W[34]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
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t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $53380d139d95b3df + W[35]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
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t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $650a73548baf63de + W[36]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
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t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $766a0abb3c77b2a8 + W[37]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
|
|
t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $81c2c92e47edaee6 + W[38]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
|
|
t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $92722c851482353b + W[39]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
|
|
t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $a2bfe8a14cf10364 + W[40]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
|
|
t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $a81a664bbc423001 + W[41]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
|
|
t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $c24b8b70d0f89791 + W[42]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
|
|
t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $c76c51a30654be30 + W[43]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
|
|
t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $d192e819d6ef5218 + W[44]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
|
|
t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $d69906245565a910 + W[45]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
|
|
t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $f40e35855771202a + W[46]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
|
|
t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $106aa07032bbd1b8 + W[47]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
|
|
t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $19a4c116b8d2d0c8 + W[48]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
|
|
t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $1e376c085141ab53 + W[49]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
|
|
t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $2748774cdf8eeb99 + W[50]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
|
|
t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $34b0bcb5e19b48a8 + W[51]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
|
|
t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $391c0cb3c5c95a63 + W[52]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
|
|
t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $4ed8aa4ae3418acb + W[53]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
|
|
t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $5b9cca4f7763e373 + W[54]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
|
|
t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $682e6ff3d6b2b8a3 + W[55]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
|
|
t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $748f82ee5defb2fc + W[56]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
|
|
t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $78a5636f43172f60 + W[57]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
|
|
t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $84c87814a1f0ab72 + W[58]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
|
|
t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $8cc702081a6439ec + W[59]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
|
|
t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $90befffa23631e28 + W[60]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
|
|
t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $a4506cebde82bde9 + W[61]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
|
|
t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $bef9a3f7b2c67915 + W[62]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
|
|
t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $c67178f2e372532b + W[63]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
|
|
t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $ca273eceea26619c + W[64]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
|
|
t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $d186b8c721c0c207 + W[65]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
|
|
t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $eada7dd6cde0eb1e + W[66]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
|
|
t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $f57d4f7fee6ed178 + W[67]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
|
|
t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $06f067aa72176fba + W[68]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
|
|
t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $0a637dc5a2c898a6 + W[69]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
|
|
t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $113f9804bef90dae + W[70]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
|
|
t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $1b710b35131c471b + W[71]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
|
|
t1:= h + (((e shr 14) or (e shl 50)) xor ((e shr 18) or (e shl 46)) xor ((e shr 41) or (e shl 23))) + ((e and f) xor (not e and g)) + $28db77f523047d84 + W[72]; t2:= (((a shr 28) or (a shl 36)) xor ((a shr 34) or (a shl 30)) xor ((a shr 39) or (a shl 25))) + ((a and b) xor (a and c) xor (b and c)); d:= d + t1; h:= t1 + t2;
|
|
t1:= g + (((d shr 14) or (d shl 50)) xor ((d shr 18) or (d shl 46)) xor ((d shr 41) or (d shl 23))) + ((d and e) xor (not d and f)) + $32caab7b40c72493 + W[73]; t2:= (((h shr 28) or (h shl 36)) xor ((h shr 34) or (h shl 30)) xor ((h shr 39) or (h shl 25))) + ((h and a) xor (h and b) xor (a and b)); c:= c + t1; g:= t1 + t2;
|
|
t1:= f + (((c shr 14) or (c shl 50)) xor ((c shr 18) or (c shl 46)) xor ((c shr 41) or (c shl 23))) + ((c and d) xor (not c and e)) + $3c9ebe0a15c9bebc + W[74]; t2:= (((g shr 28) or (g shl 36)) xor ((g shr 34) or (g shl 30)) xor ((g shr 39) or (g shl 25))) + ((g and h) xor (g and a) xor (h and a)); b:= b + t1; f:= t1 + t2;
|
|
t1:= e + (((b shr 14) or (b shl 50)) xor ((b shr 18) or (b shl 46)) xor ((b shr 41) or (b shl 23))) + ((b and c) xor (not b and d)) + $431d67c49c100d4c + W[75]; t2:= (((f shr 28) or (f shl 36)) xor ((f shr 34) or (f shl 30)) xor ((f shr 39) or (f shl 25))) + ((f and g) xor (f and h) xor (g and h)); a:= a + t1; e:= t1 + t2;
|
|
t1:= d + (((a shr 14) or (a shl 50)) xor ((a shr 18) or (a shl 46)) xor ((a shr 41) or (a shl 23))) + ((a and b) xor (not a and c)) + $4cc5d4becb3e42b6 + W[76]; t2:= (((e shr 28) or (e shl 36)) xor ((e shr 34) or (e shl 30)) xor ((e shr 39) or (e shl 25))) + ((e and f) xor (e and g) xor (f and g)); h:= h + t1; d:= t1 + t2;
|
|
t1:= c + (((h shr 14) or (h shl 50)) xor ((h shr 18) or (h shl 46)) xor ((h shr 41) or (h shl 23))) + ((h and a) xor (not h and b)) + $597f299cfc657e2a + W[77]; t2:= (((d shr 28) or (d shl 36)) xor ((d shr 34) or (d shl 30)) xor ((d shr 39) or (d shl 25))) + ((d and e) xor (d and f) xor (e and f)); g:= g + t1; c:= t1 + t2;
|
|
t1:= b + (((g shr 14) or (g shl 50)) xor ((g shr 18) or (g shl 46)) xor ((g shr 41) or (g shl 23))) + ((g and h) xor (not g and a)) + $5fcb6fab3ad6faec + W[78]; t2:= (((c shr 28) or (c shl 36)) xor ((c shr 34) or (c shl 30)) xor ((c shr 39) or (c shl 25))) + ((c and d) xor (c and e) xor (d and e)); f:= f + t1; b:= t1 + t2;
|
|
t1:= a + (((f shr 14) or (f shl 50)) xor ((f shr 18) or (f shl 46)) xor ((f shr 41) or (f shl 23))) + ((f and g) xor (not f and h)) + $6c44198c4a475817 + W[79]; t2:= (((b shr 28) or (b shl 36)) xor ((b shr 34) or (b shl 30)) xor ((b shr 39) or (b shl 25))) + ((b and c) xor (b and d) xor (c and d)); e:= e + t1; a:= t1 + t2;
|
|
|
|
CurrentHash[0]:= CurrentHash[0] + a;
|
|
CurrentHash[1]:= CurrentHash[1] + b;
|
|
CurrentHash[2]:= CurrentHash[2] + c;
|
|
CurrentHash[3]:= CurrentHash[3] + d;
|
|
CurrentHash[4]:= CurrentHash[4] + e;
|
|
CurrentHash[5]:= CurrentHash[5] + f;
|
|
CurrentHash[6]:= CurrentHash[6] + g;
|
|
CurrentHash[7]:= CurrentHash[7] + h;
|
|
FillChar(W,Sizeof(W),0);
|
|
FillChar(HashBuffer,Sizeof(HashBuffer),0);
|
|
end;
|
|
|
|
procedure TDCP_sha512base.Burn;
|
|
begin
|
|
LenHi:= 0; LenLo:= 0;
|
|
Index:= 0;
|
|
FillChar(HashBuffer,Sizeof(HashBuffer),0);
|
|
FillChar(CurrentHash,Sizeof(CurrentHash),0);
|
|
fInitialized:= false;
|
|
end;
|
|
|
|
procedure TDCP_sha512base.Update(const Buffer; Size: longword);
|
|
var
|
|
PBuf: ^byte;
|
|
begin
|
|
if not fInitialized then
|
|
raise EDCP_hash.Create('Hash not initialized');
|
|
|
|
Inc(LenLo,Size*8);
|
|
if LenLo< (Size*8) then
|
|
Inc(LenHi);
|
|
|
|
PBuf:= @Buffer;
|
|
while Size> 0 do
|
|
begin
|
|
if (Sizeof(HashBuffer)-Index)<= DWord(Size) then
|
|
begin
|
|
Move(PBuf^,HashBuffer[Index],Sizeof(HashBuffer)-Index);
|
|
Dec(Size,Sizeof(HashBuffer)-Index);
|
|
Inc(PBuf,Sizeof(HashBuffer)-Index);
|
|
Compress;
|
|
end
|
|
else
|
|
begin
|
|
Move(PBuf^,HashBuffer[Index],Size);
|
|
Inc(Index,Size);
|
|
Size:= 0;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
{******************************************************************************}
|
|
class function TDCP_sha384.GetAlgorithm: string;
|
|
begin
|
|
Result:= 'SHA384';
|
|
end;
|
|
|
|
class function TDCP_sha384.GetId: integer;
|
|
begin
|
|
Result:= DCP_sha384;
|
|
end;
|
|
|
|
class function TDCP_sha384.GetHashSize: integer;
|
|
begin
|
|
Result:= 384;
|
|
end;
|
|
|
|
class function TDCP_sha384.SelfTest: boolean;
|
|
const
|
|
Test1Out: array[0..47] of byte=
|
|
($cb,$00,$75,$3f,$45,$a3,$5e,$8b,$b5,$a0,$3d,$69,$9a,$c6,$50,$07,
|
|
$27,$2c,$32,$ab,$0e,$de,$d1,$63,$1a,$8b,$60,$5a,$43,$ff,$5b,$ed,
|
|
$80,$86,$07,$2b,$a1,$e7,$cc,$23,$58,$ba,$ec,$a1,$34,$c8,$25,$a7);
|
|
Test2Out: array[0..47] of byte=
|
|
($09,$33,$0c,$33,$f7,$11,$47,$e8,$3d,$19,$2f,$c7,$82,$cd,$1b,$47,
|
|
$53,$11,$1b,$17,$3b,$3b,$05,$d2,$2f,$a0,$80,$86,$e3,$b0,$f7,$12,
|
|
$fc,$c7,$c7,$1a,$55,$7e,$2d,$b9,$66,$c3,$e9,$fa,$91,$74,$60,$39);
|
|
var
|
|
TestHash: TDCP_sha384;
|
|
TestOut: array[0..47] of byte;
|
|
begin
|
|
FillChar(TestOut, SizeOf(TestOut), 0);
|
|
TestHash:= TDCP_sha384.Create(nil);
|
|
TestHash.Init;
|
|
TestHash.UpdateStr(AnsiString('abc'));
|
|
TestHash.Final(TestOut);
|
|
Result:= boolean(CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out)));
|
|
TestHash.Init;
|
|
TestHash.UpdateStr(AnsiString('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu'));
|
|
TestHash.Final(TestOut);
|
|
Result:= boolean(CompareMem(@TestOut,@Test2Out,Sizeof(Test2Out))) and Result;
|
|
TestHash.Free;
|
|
end;
|
|
|
|
procedure TDCP_sha384.Init;
|
|
begin
|
|
Burn;
|
|
{$WARNINGS OFF}
|
|
CurrentHash[0]:= $cbbb9d5dc1059ed8;
|
|
CurrentHash[1]:= $629a292a367cd507;
|
|
CurrentHash[2]:= $9159015a3070dd17;
|
|
CurrentHash[3]:= $152fecd8f70e5939;
|
|
CurrentHash[4]:= $67332667ffc00b31;
|
|
CurrentHash[5]:= $8eb44a8768581511;
|
|
CurrentHash[6]:= $db0c2e0d64f98fa7;
|
|
CurrentHash[7]:= $47b5481dbefa4fa4;
|
|
{$WARNINGS OFF}
|
|
fInitialized:= true;
|
|
end;
|
|
|
|
procedure TDCP_sha384.Final(var Digest);
|
|
begin
|
|
if not fInitialized then
|
|
raise EDCP_hash.Create('Hash not initialized');
|
|
HashBuffer[Index]:= $80;
|
|
if Index>= 112 then
|
|
Compress;
|
|
Pint64(@HashBuffer[112])^:= SwapDWord(LenHi);
|
|
Pint64(@HashBuffer[120])^:= SwapDWord(LenLo);
|
|
Compress;
|
|
CurrentHash[0]:= SwapDWord(CurrentHash[0]);
|
|
CurrentHash[1]:= SwapDWord(CurrentHash[1]);
|
|
CurrentHash[2]:= SwapDWord(CurrentHash[2]);
|
|
CurrentHash[3]:= SwapDWord(CurrentHash[3]);
|
|
CurrentHash[4]:= SwapDWord(CurrentHash[4]);
|
|
CurrentHash[5]:= SwapDWord(CurrentHash[5]);
|
|
Move(CurrentHash,Digest,384 div 8);
|
|
Burn;
|
|
end;
|
|
|
|
{******************************************************************************}
|
|
class function TDCP_sha512.GetAlgorithm: string;
|
|
begin
|
|
Result:= 'SHA512';
|
|
end;
|
|
|
|
class function TDCP_sha512.GetId: integer;
|
|
begin
|
|
Result:= DCP_sha512;
|
|
end;
|
|
|
|
class function TDCP_sha512.GetHashSize: integer;
|
|
begin
|
|
Result:= 512;
|
|
end;
|
|
|
|
class function TDCP_sha512.SelfTest: boolean;
|
|
const
|
|
Test1Out: array[0..63] of byte=
|
|
($dd,$af,$35,$a1,$93,$61,$7a,$ba,$cc,$41,$73,$49,$ae,$20,$41,$31,
|
|
$12,$e6,$fa,$4e,$89,$a9,$7e,$a2,$0a,$9e,$ee,$e6,$4b,$55,$d3,$9a,
|
|
$21,$92,$99,$2a,$27,$4f,$c1,$a8,$36,$ba,$3c,$23,$a3,$fe,$eb,$bd,
|
|
$45,$4d,$44,$23,$64,$3c,$e8,$0e,$2a,$9a,$c9,$4f,$a5,$4c,$a4,$9f);
|
|
Test2Out: array[0..63] of byte=
|
|
($8e,$95,$9b,$75,$da,$e3,$13,$da,$8c,$f4,$f7,$28,$14,$fc,$14,$3f,
|
|
$8f,$77,$79,$c6,$eb,$9f,$7f,$a1,$72,$99,$ae,$ad,$b6,$88,$90,$18,
|
|
$50,$1d,$28,$9e,$49,$00,$f7,$e4,$33,$1b,$99,$de,$c4,$b5,$43,$3a,
|
|
$c7,$d3,$29,$ee,$b6,$dd,$26,$54,$5e,$96,$e5,$5b,$87,$4b,$e9,$09);
|
|
var
|
|
TestHash: TDCP_sha512;
|
|
TestOut: array[0..63] of byte;
|
|
begin
|
|
FillChar(TestOut, SizeOf(TestOut), 0);
|
|
TestHash:= TDCP_sha512.Create(nil);
|
|
TestHash.Init;
|
|
TestHash.UpdateStr(AnsiString('abc'));
|
|
TestHash.Final(TestOut);
|
|
Result:= boolean(CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out)));
|
|
TestHash.Init;
|
|
TestHash.UpdateStr(AnsiString('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu'));
|
|
TestHash.Final(TestOut);
|
|
Result:= boolean(CompareMem(@TestOut,@Test2Out,Sizeof(Test2Out))) and Result;
|
|
TestHash.Free;
|
|
end;
|
|
|
|
procedure TDCP_sha512.Init;
|
|
begin
|
|
Burn;
|
|
CurrentHash[0]:= $6a09e667f3bcc908;
|
|
CurrentHash[1]:= $bb67ae8584caa73b;
|
|
CurrentHash[2]:= $3c6ef372fe94f82b;
|
|
CurrentHash[3]:= $a54ff53a5f1d36f1;
|
|
CurrentHash[4]:= $510e527fade682d1;
|
|
CurrentHash[5]:= $9b05688c2b3e6c1f;
|
|
CurrentHash[6]:= $1f83d9abfb41bd6b;
|
|
CurrentHash[7]:= $5be0cd19137e2179;
|
|
fInitialized:= true;
|
|
end;
|
|
|
|
procedure TDCP_sha512.Final(var Digest);
|
|
begin
|
|
if not fInitialized then
|
|
raise EDCP_hash.Create('Hash not initialized');
|
|
HashBuffer[Index]:= $80;
|
|
if Index>= 112 then
|
|
Compress;
|
|
Pint64(@HashBuffer[112])^:= SwapDWord(LenHi);
|
|
Pint64(@HashBuffer[120])^:= SwapDWord(LenLo);
|
|
Compress;
|
|
CurrentHash[0]:= SwapDWord(CurrentHash[0]);
|
|
CurrentHash[1]:= SwapDWord(CurrentHash[1]);
|
|
CurrentHash[2]:= SwapDWord(CurrentHash[2]);
|
|
CurrentHash[3]:= SwapDWord(CurrentHash[3]);
|
|
CurrentHash[4]:= SwapDWord(CurrentHash[4]);
|
|
CurrentHash[5]:= SwapDWord(CurrentHash[5]);
|
|
CurrentHash[6]:= SwapDWord(CurrentHash[6]);
|
|
CurrentHash[7]:= SwapDWord(CurrentHash[7]);
|
|
Move(CurrentHash,Digest,Sizeof(CurrentHash));
|
|
Burn;
|
|
end;
|
|
|
|
end.
|