Pepperminty Wiki Module API

Nilsimsa
in package

The MIT License (MIT)

Copyright (c) 2015 Bill Eager

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Table of Contents

TRAN  = [0x2, 0xd6, 0x9e, 0x6f, 0xf9, 0x1d, 0x4, 0xab, 0xd0, 0x22, 0x16, 0x1f, 0xd8, 0x73, 0xa1, 0xac, 0x3b, 0x70, 0x62, 0x96, 0x1e, 0x6e, 0x8f, 0x39, 0x9d, 0x5, 0x14, 0x4a, 0xa6, 0xbe, 0xae, 0xe, 0xcf, 0xb9, 0x9c, 0x9a, 0xc7, 0x68, 0x13, 0xe1, 0x2d, 0xa4, 0xeb, 0x51, 0x8d, 0x64, 0x6b, 0x50, 0x23, 0x80, 0x3, 0x41, 0xec, 0xbb, 0x71, 0xcc, 0x7a, 0x86, 0x7f, 0x98, 0xf2, 0x36, 0x5e, 0xee, 0x8e, 0xce, 0x4f, 0xb8, 0x32, 0xb6, 0x5f, 0x59, 0xdc, 0x1b, 0x31, 0x4c, 0x7b, 0xf0, 0x63, 0x1, 0x6c, 0xba, 0x7, 0xe8, 0x12, 0x77, 0x49, 0x3c, 0xda, 0x46, 0xfe, 0x2f, 0x79, 0x1c, 0x9b, 0x30, 0xe3, 0x0, 0x6, 0x7e, 0x2e, 0xf, 0x38, 0x33, 0x21, 0xad, 0xa5, 0x54, 0xca, 0xa7, 0x29, 0xfc, 0x5a, 0x47, 0x69, 0x7d, 0xc5, 0x95, 0xb5, 0xf4, 0xb, 0x90, 0xa3, 0x81, 0x6d, 0x25, 0x55, 0x35, 0xf5, 0x75, 0x74, 0xa, 0x26, 0xbf, 0x19, 0x5c, 0x1a, 0xc6, 0xff, 0x99, 0x5d, 0x84, 0xaa, 0x66, 0x3e, 0xaf, 0x78, 0xb3, 0x20, 0x43, 0xc1, 0xed, 0x24, 0xea, 0xe6, 0x3f, 0x18, 0xf3, 0xa0, 0x42, 0x57, 0x8, 0x53, 0x60, 0xc3, 0xc0, 0x83, 0x40, 0x82, 0xd7, 0x9, 0xbd, 0x44, 0x2a, 0x67, 0xa8, 0x93, 0xe0, 0xc2, 0x56, 0x9f, 0xd9, 0xdd, 0x85, 0x15, 0xb4, 0x8a, 0x27, 0x28, 0x92, 0x76, 0xde, 0xef, 0xf8, 0xb2, 0xb7, 0xc9, 0x3d, 0x45, 0x94, 0x4b, 0x11, 0xd, 0x65, 0xd5, 0x34, 0x8b, 0x91, 0xc, 0xfa, 0x87, 0xe9, 0x7c, 0x5b, 0xb1, 0x4d, 0xe5, 0xd4, 0xcb, 0x10, 0xa2, 0x17, 0x89, 0xbc, 0xdb, 0xb0, 0xe2, 0x97, 0x88, 0x52, 0xf7, 0x48, 0xd3, 0x61, 0x2c, 0x3a, 0x2b, 0xd1, 0x8c, 0xfb, 0xf1, 0xcd, 0xe4, 0x6a, 0xe7, 0xa9, 0xfd, 0xc4, 0x37, 0xc8, 0xd2, 0xf6, 0xdf, 0x58, 0x72, 0x4e]
Tran53 hash constant
__construct()  : mixed
Constructor
computeDigest()  : mixed
Using a threshold (mean of the accumulator), computes the nilsimsa digest after completion. Sets complete flag to true and stores result in $this->digest
digest()  : array<string|int, mixed>
Returns the digest as an array. Computes it if it isn't computed already.
hash()  : mixed
hexDigest()  : string
Returns the digest as a hex string. Computes it if it isn't computed already.
process()  : mixed
Computes the hash of all of the trigrams in the chunk using a window of length 5
tranHash()  : int
Implementation of the Tran53 hash algorithm

Constants

TRAN

Tran53 hash constant

public array<string|int, mixed> TRAN = [0x2, 0xd6, 0x9e, 0x6f, 0xf9, 0x1d, 0x4, 0xab, 0xd0, 0x22, 0x16, 0x1f, 0xd8, 0x73, 0xa1, 0xac, 0x3b, 0x70, 0x62, 0x96, 0x1e, 0x6e, 0x8f, 0x39, 0x9d, 0x5, 0x14, 0x4a, 0xa6, 0xbe, 0xae, 0xe, 0xcf, 0xb9, 0x9c, 0x9a, 0xc7, 0x68, 0x13, 0xe1, 0x2d, 0xa4, 0xeb, 0x51, 0x8d, 0x64, 0x6b, 0x50, 0x23, 0x80, 0x3, 0x41, 0xec, 0xbb, 0x71, 0xcc, 0x7a, 0x86, 0x7f, 0x98, 0xf2, 0x36, 0x5e, 0xee, 0x8e, 0xce, 0x4f, 0xb8, 0x32, 0xb6, 0x5f, 0x59, 0xdc, 0x1b, 0x31, 0x4c, 0x7b, 0xf0, 0x63, 0x1, 0x6c, 0xba, 0x7, 0xe8, 0x12, 0x77, 0x49, 0x3c, 0xda, 0x46, 0xfe, 0x2f, 0x79, 0x1c, 0x9b, 0x30, 0xe3, 0x0, 0x6, 0x7e, 0x2e, 0xf, 0x38, 0x33, 0x21, 0xad, 0xa5, 0x54, 0xca, 0xa7, 0x29, 0xfc, 0x5a, 0x47, 0x69, 0x7d, 0xc5, 0x95, 0xb5, 0xf4, 0xb, 0x90, 0xa3, 0x81, 0x6d, 0x25, 0x55, 0x35, 0xf5, 0x75, 0x74, 0xa, 0x26, 0xbf, 0x19, 0x5c, 0x1a, 0xc6, 0xff, 0x99, 0x5d, 0x84, 0xaa, 0x66, 0x3e, 0xaf, 0x78, 0xb3, 0x20, 0x43, 0xc1, 0xed, 0x24, 0xea, 0xe6, 0x3f, 0x18, 0xf3, 0xa0, 0x42, 0x57, 0x8, 0x53, 0x60, 0xc3, 0xc0, 0x83, 0x40, 0x82, 0xd7, 0x9, 0xbd, 0x44, 0x2a, 0x67, 0xa8, 0x93, 0xe0, 0xc2, 0x56, 0x9f, 0xd9, 0xdd, 0x85, 0x15, 0xb4, 0x8a, 0x27, 0x28, 0x92, 0x76, 0xde, 0xef, 0xf8, 0xb2, 0xb7, 0xc9, 0x3d, 0x45, 0x94, 0x4b, 0x11, 0xd, 0x65, 0xd5, 0x34, 0x8b, 0x91, 0xc, 0xfa, 0x87, 0xe9, 0x7c, 0x5b, 0xb1, 0x4d, 0xe5, 0xd4, 0xcb, 0x10, 0xa2, 0x17, 0x89, 0xbc, 0xdb, 0xb0, 0xe2, 0x97, 0x88, 0x52, 0xf7, 0x48, 0xd3, 0x61, 0x2c, 0x3a, 0x2b, 0xd1, 0x8c, 0xfb, 0xf1, 0xcd, 0xe4, 0x6a, 0xe7, 0xa9, 0xfd, 0xc4, 0x37, 0xc8, 0xd2, 0xf6, 0xdf, 0x58, 0x72, 0x4e]

Methods

__construct()

Constructor

public __construct([string $data = null ][, mixed $length = null ]) : mixed
Parameters
$data : string = null

The data to process

$length : mixed = null
Return values
mixed

computeDigest()

Using a threshold (mean of the accumulator), computes the nilsimsa digest after completion. Sets complete flag to true and stores result in $this->digest

public computeDigest() : mixed
Return values
mixed

digest()

Returns the digest as an array. Computes it if it isn't computed already.

public digest() : array<string|int, mixed>
Return values
array<string|int, mixed>

The digest

hash()

public static hash(mixed $data[, mixed $length = 256 ]) : mixed
Parameters
$data : mixed
$length : mixed = 256
Return values
mixed

hexDigest()

Returns the digest as a hex string. Computes it if it isn't computed already.

public hexDigest() : string
Return values
string

The digest

process()

Computes the hash of all of the trigrams in the chunk using a window of length 5

public process(string $chunk) : mixed
Parameters
$chunk : string

The chunk to process

Return values
mixed

tranHash()

Implementation of the Tran53 hash algorithm

public tranHash(int $a, int $b, int $c, int $n) : int
Parameters
$a : int

Input A

$b : int

Input B

$c : int

Input C

$n : int

Input N

Return values
int

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