Tiqr_Random::randomBytes() - Code Metrics - Tiqr/tiqr-server-libphp - Measure and Improve Code Quality continuously with Scrutinizer

Tiqr_Random::randomBytes() A
last analyzed 2024-08-06 10:50 UTC

↳ Parent: Tiqr_Random

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2.032

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
eloc	4
c	2
b	0
f	0
dl	0
loc	10
ccs	4
cts	5
cp	0.8
rs	10
cc	2
nc	2
nop	1
crap	2.032

<?php

/**
 * This file is part of the tiqr project.
 * 
 * The tiqr project aims to provide an open implementation for 
 * authentication using mobile devices. It was initiated by 
 * SURFnet and developed by Egeniq.
 *
 * More information: http://www.tiqr.org
 *
 * @author Ivo Jansch <[email protected]>
 * 
 * @package tiqr
 *
 * @license New BSD License - See LICENSE file for details.
 *
 * @copyright (C) 2010-2011 SURFnet BV
 */


/**
 * A class implementing secure random number generation.
 *
 * @author ivo
 *
 */
class Tiqr_Random
{
    /**
     * Generate $length cryptographically secure pseudo-random bytes
     * Throws when requested number of bytes cannot be generated
     *
     * Note that this function generates random BYTES, it uses the string type as an array of bytes with values
     * from 0 to 255.
     *
     * @param int $length the number of bytes to generate.
     * @return string containing $length cryptographically secure pseudo-random bytes
     *
     * @throws Exception, Error, TypeError
     */
    public static function randomBytes(int $length): string
    {
        // Get $length cryptographically secure pseudo-random bytes
        $rnd=\random_bytes($length);

        if (strlen($rnd) !== $length) {
            throw new Exception("random_bytes did not return the requested number of bytes");
        }

        return $rnd;
    }

}

1		<?php
2
3		/**
4		* This file is part of the tiqr project.
5		*
6		* The tiqr project aims to provide an open implementation for
7		* authentication using mobile devices. It was initiated by
8		* SURFnet and developed by Egeniq.
9		*
10		* More information: http://www.tiqr.org
11		*
12		* @author Ivo Jansch <[email protected]>
13		*
14		* @package tiqr
15		*
16		* @license New BSD License - See LICENSE file for details.
17		*
18		* @copyright (C) 2010-2011 SURFnet BV
19		*/
20
21
22		/**
23		* A class implementing secure random number generation.
24		*
25		* @author ivo
26		*
27		*/
28		class Tiqr_Random
29		{
30		/**
31		* Generate $length cryptographically secure pseudo-random bytes
32		* Throws when requested number of bytes cannot be generated
33		*
34		* Note that this function generates random BYTES, it uses the string type as an array of bytes with values
35		* from 0 to 255.
36		*
37		* @param int $length the number of bytes to generate.
38		* @return string containing $length cryptographically secure pseudo-random bytes
39		*
40		* @throws Exception, Error, TypeError
41		*/
42	34	public static function randomBytes(int $length): string
43		{
44		// Get $length cryptographically secure pseudo-random bytes
45	34	$rnd=\random_bytes($length);
46
47	34	if (strlen($rnd) !== $length) {
48		throw new Exception("random_bytes did not return the requested number of bytes");
49		}
50
51	34	return $rnd;
52		}
53
54		}

Tiqr / tiqr-server-libphp

Tiqr_Random::randomBytes() A last analyzed 2024-08-06 10:50 UTC

Complexity

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Tiqr_Random::randomBytes() A
last analyzed 2024-08-06 10:50 UTC