398 lines
36 KiB
Plaintext
398 lines
36 KiB
Plaintext
{******************************************************************************}
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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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{$MODE Delphi}
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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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dcpFillChar(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
|
|
dcpFillChar(TestOut, SizeOf(TestOut), 0);
|
|
TestHash:= TDCP_sha384.Create(nil);
|
|
TestHash.Init;
|
|
TestHash.UpdateStr('abc');
|
|
TestHash.Final(TestOut);
|
|
Result:= boolean(CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out)));
|
|
TestHash.Init;
|
|
TestHash.UpdateStr('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu');
|
|
TestHash.Final(TestOut);
|
|
Result:= boolean(CompareMem(@TestOut,@Test2Out,Sizeof(Test2Out))) and Result;
|
|
TestHash.Free;
|
|
end;
|
|
|
|
procedure TDCP_sha384.Init;
|
|
begin
|
|
Burn;
|
|
CurrentHash[0]:= $cbbb9d5dc1059ed8;
|
|
CurrentHash[1]:= $629a292a367cd507;
|
|
CurrentHash[2]:= $9159015a3070dd17;
|
|
CurrentHash[3]:= $152fecd8f70e5939;
|
|
CurrentHash[4]:= $67332667ffc00b31;
|
|
CurrentHash[5]:= $8eb44a8768581511;
|
|
CurrentHash[6]:= $db0c2e0d64f98fa7;
|
|
CurrentHash[7]:= $47b5481dbefa4fa4;
|
|
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
|
|
dcpFillChar(TestOut, SizeOf(TestOut), 0);
|
|
TestHash:= TDCP_sha512.Create(nil);
|
|
TestHash.Init;
|
|
TestHash.UpdateStr('abc');
|
|
TestHash.Final(TestOut);
|
|
Result:= boolean(CompareMem(@TestOut,@Test1Out,Sizeof(Test1Out)));
|
|
TestHash.Init;
|
|
TestHash.UpdateStr('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.
|