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14d4f286 S |
1 | <?php |
2 | /** | |
3 | * The strength FlyweightEnum class | |
4 | * | |
5 | * PHP version 5.3 | |
6 | * | |
7 | * @category PHPCryptLib | |
8 | * @package Core | |
9 | * @author Anthony Ferrara <ircmaxell@ircmaxell.com> | |
10 | * @copyright 2011 The Authors | |
11 | * @license http://www.opensource.org/licenses/mit-license.html MIT License | |
12 | * @version Build @@version@@ | |
13 | */ | |
14 | ||
15 | namespace CryptLib\Core; | |
16 | ||
17 | /** | |
18 | * The strength FlyweightEnum class | |
19 | * | |
20 | * All mixing strategies must extend this class | |
21 | * | |
22 | * @category PHPCryptLib | |
23 | * @package Core | |
24 | * @author Anthony Ferrara <ircmaxell@ircmaxell.com> | |
25 | */ | |
26 | class Strength extends Enum { | |
27 | ||
28 | /** | |
29 | * We provide a default value of VeryLow so that we don't accidentally over | |
30 | * state the strength if we forget to pass in a value... | |
31 | */ | |
32 | const __DEFAULT = self::VERYLOW; | |
33 | ||
34 | /** | |
35 | * This represents Non-Cryptographic strengths. It should not be used any time | |
36 | * that security or confidentiality is at stake | |
37 | */ | |
38 | const VERYLOW = 1; | |
39 | ||
40 | /** | |
41 | * This represents the bottom line of Cryptographic strengths. It may be used | |
42 | * for low security uses where some strength is required. | |
43 | */ | |
44 | const LOW = 3; | |
45 | ||
46 | /** | |
47 | * This is the general purpose Cryptographical strength. It should be suitable | |
48 | * for all uses except the most sensitive. | |
49 | */ | |
50 | const MEDIUM = 5; | |
51 | ||
52 | /** | |
53 | * This is the highest strength available. It should not be used unless the | |
54 | * high strength is needed, due to hardware constraints (and entropy | |
55 | * limitations). | |
56 | */ | |
57 | const HIGH = 7; | |
58 | ||
59 | } |