KeyDerivation::generateSalt() - Code Metrics - btccom/justencrypt-php - Measure and Improve Code Quality continuously with Scrutinizer

KeyDerivation::generateSalt() A
last analyzed 2018-03-08 22:30 UTC

↳ Parent: KeyDerivation

Complexity

Conditions	4
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	4.25

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
dl	0
loc	8
ccs	3
cts	4
cp	0.75
rs	9.2
c	1
b	0
f	0
cc	4
eloc	4
nc	2
nop	1
crap	4.25

<?php

namespace Btccom\JustEncrypt;

use BitWasp\Buffertools\Buffer;
use BitWasp\Buffertools\BufferInterface;

class KeyDerivation
{
    const HASHER = 'sha512';
    const DEFAULT_SALTLEN = 10;
    const DEFAULT_ITERATIONS = 35000;
    const SUBKEY_ITERATIONS = 1;
    const KEYLEN_BITS = 256;

    /**
     * @param int $length
     * @return BufferInterface
     */
    public static function generateSalt($length = self::DEFAULT_SALTLEN)
    {
        if (!is_int($length) || $length < 0 || $length > 128) {
            throw new \RuntimeException('Invalid salt length, should be between 0 - 128 bytes');
        }

        return new Buffer(random_bytes($length));
    }

    /**
     * @param BufferInterface $password
     * @param BufferInterface $salt
     * @param int $iterations
     * @return BufferInterface
     */
    public static function compute(BufferInterface $password, BufferInterface $salt, $iterations = self::DEFAULT_ITERATIONS)
    {
        $header = new HeaderBlob($salt->getSize(), $salt, $iterations);
        return $header->deriveKey($password);
    }
}


1		<?php
2
3		namespace Btccom\JustEncrypt;
4
5		use BitWasp\Buffertools\Buffer;
6		use BitWasp\Buffertools\BufferInterface;
7
8		class KeyDerivation
9		{
10		const HASHER = 'sha512';
11		const DEFAULT_SALTLEN = 10;
12		const DEFAULT_ITERATIONS = 35000;
13		const SUBKEY_ITERATIONS = 1;
14		const KEYLEN_BITS = 256;
15
16		/**
17		* @param int $length
18		* @return BufferInterface
19		*/
20	1	public static function generateSalt($length = self::DEFAULT_SALTLEN)
21		{
22	1	if (!is_int($length) \|\| $length < 0 \|\| $length > 128) {
23		throw new \RuntimeException('Invalid salt length, should be between 0 - 128 bytes');
24		}
25
26	1	return new Buffer(random_bytes($length));
27		}
28
29		/**
30		* @param BufferInterface $password
31		* @param BufferInterface $salt
32		* @param int $iterations
33		* @return BufferInterface
34		*/
35	5	public static function compute(BufferInterface $password, BufferInterface $salt, $iterations = self::DEFAULT_ITERATIONS)
36		{
37	5	$header = new HeaderBlob($salt->getSize(), $salt, $iterations);
38	5	return $header->deriveKey($password);
39		}
40		}
41

btccom / justencrypt-php

KeyDerivation::generateSalt() A last analyzed 2018-03-08 22:30 UTC

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like

KeyDerivation::generateSalt() A
last analyzed 2018-03-08 22:30 UTC