RSAKey::populateBigIntegers() - Code Metrics - Inspection of "ECKey converter changed" - Spomky-Labs/jose - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Push — v7 ( d25f5c...477009 )

by Florent

created 2017-09-03 12:05 UTC

RSAKey::populateBigIntegers() C

↳ Parent: RSAKey

Complexity

Conditions	7
Paths	4

Size

Total Lines	24
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	24
rs	6.7272
c	0
b	0
f	0
cc	7
eloc	15
nc	4
nop	0

<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2017 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace Jose\Component\Core\Util;

use Base64Url\Base64Url;
use Jose\Component\Core\JWK;

final class RSAKey
{
    /**
     * @var array
     */
    private $values = [];

    /**
     * @var BigInteger
     */
    private $modulus;

    /**
     * @var int
     */
    private $modulus_length;

    /**
     * @var BigInteger
     */
    private $public_exponent;

    /**
     * @var BigInteger|null
     */
    private $private_exponent = null;

    /**
     * @var BigInteger[]
     */
    private $primes = [];

    /**
     * @var BigInteger[]
     */
    private $exponents = [];

    /**
     * @var BigInteger|null
     */
    private $coefficient = null;

    /**
     * @param JWK $data
     */
    private function __construct(JWK $data)
    {
        $this->loadJWK($data->all());
        $this->populateBigIntegers();
    }

    /**
     * @param JWK $jwk
     *
     * @return RSAKey
     */
    public static function createFromJWK(JWK $jwk): RSAKey
    {
        return new self($jwk);
    }

    /**
     * @return BigInteger
     */
    public function getModulus(): BigInteger
    {
        return $this->modulus;
    }

    /**
     * @return int
     */
    public function getModulusLength(): int
    {
        return $this->modulus_length;
    }

    /**
     * @return BigInteger
     */
    public function getExponent(): BigInteger
    {
        $d = $this->getPrivateExponent();
        if (null !== $d) {
            return $d;
        }

        return $this->getPublicExponent();
    }

    /**
     * @return BigInteger
     */
    public function getPublicExponent(): BigInteger
    {
        return $this->public_exponent;
    }

    /**
     * @return BigInteger|null
     */
    public function getPrivateExponent(): ?BigInteger
    {
        return $this->private_exponent;
    }

    /**
     * @return BigInteger[]
     */
    public function getPrimes(): array
    {
        return $this->primes;
    }

    /**
     * @return BigInteger[]
     */
    public function getExponents(): array
    {
        return $this->exponents;
    }

    /**
     * @return BigInteger|null
     */
    public function getCoefficient(): ?BigInteger
    {
        return $this->coefficient;
    }

    /**
     * @return bool
     */
    public function isPublic(): bool
    {
        return !array_key_exists('d', $this->values);
    }

    /**
     * @param RSAKey $private
     *
     * @return RSAKey
     */
    public static function toPublic(RSAKey $private): RSAKey
    {
        $data = $private->toArray();
        $keys = ['p', 'd', 'q', 'dp', 'dq', 'qi'];
        foreach ($keys as $key) {
            if (array_key_exists($key, $data)) {
                unset($data[$key]);
            }
        }

        return new self(JWK::create($data));
    }

    /**
     * @return array
     */
    public function toArray(): array
    {
        return $this->values;
    }

    /**
     * @param array $jwk
     */
    private function loadJWK(array $jwk)
    {
        if (!array_key_exists('kty', $jwk)) {
            throw new \InvalidArgumentException('The key parameter "kty" is missing.');
        }
        if ('RSA' !== $jwk['kty']) {
            throw new \InvalidArgumentException('The JWK is not a RSA key.');
        }

        $this->values = $jwk;
    }

    private function populateBigIntegers()
    {
        $this->modulus = $this->convertBase64StringToBigInteger($this->values['n']);
        $this->modulus_length = mb_strlen($this->getModulus()->toBytes(), '8bit');
        $this->public_exponent = $this->convertBase64StringToBigInteger($this->values['e']);

        if (!$this->isPublic()) {
            $this->private_exponent = $this->convertBase64StringToBigInteger($this->values['d']);

            if (array_key_exists('p', $this->values) && array_key_exists('q', $this->values)) {
                $this->primes = [
                    $this->convertBase64StringToBigInteger($this->values['p']),
                    $this->convertBase64StringToBigInteger($this->values['q']),
                ];
                if (array_key_exists('dp', $this->values) && array_key_exists('dq', $this->values) && array_key_exists('qi', $this->values)) {
                    $this->exponents = [
                        $this->convertBase64StringToBigInteger($this->values['dp']),
                        $this->convertBase64StringToBigInteger($this->values['dq']),
                    ];
                    $this->coefficient = $this->convertBase64StringToBigInteger($this->values['qi']);
                }
            }
        }
    }

    /**
     * @param string $value
     *
     * @return BigInteger
     */
    private function convertBase64StringToBigInteger(string $value): BigInteger
    {
        return BigInteger::createFromBinaryString(Base64Url::decode($value));
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			/*
6			* The MIT License (MIT)
7			*
8			* Copyright (c) 2014-2017 Spomky-Labs
9			*
10			* This software may be modified and distributed under the terms
11			* of the MIT license. See the LICENSE file for details.
12			*/
13
14			namespace Jose\Component\Core\Util;
15
16			use Base64Url\Base64Url;
17			use Jose\Component\Core\JWK;
18
19			final class RSAKey
20			{
21			/**
22			* @var array
23			*/
24			private $values = [];
25
26			/**
27			* @var BigInteger
28			*/
29			private $modulus;
30
31			/**
32			* @var int
33			*/
34			private $modulus_length;
35
36			/**
37			* @var BigInteger
38			*/
39			private $public_exponent;
40
41			/**
42			* @var BigInteger\|null
43			*/
44			private $private_exponent = null;
45
46			/**
47			* @var BigInteger[]
48			*/
49			private $primes = [];
50
51			/**
52			* @var BigInteger[]
53			*/
54			private $exponents = [];
55
56			/**
57			* @var BigInteger\|null
58			*/
59			private $coefficient = null;
60
61			/**
62			* @param JWK $data
63			*/
64			private function __construct(JWK $data)
65			{
66			$this->loadJWK($data->all());
67			$this->populateBigIntegers();
68			}
69
70			/**
71			* @param JWK $jwk
72			*
73			* @return RSAKey
74			*/
75			public static function createFromJWK(JWK $jwk): RSAKey
76			{
77			return new self($jwk);
78			}
79
80			/**
81			* @return BigInteger
82			*/
83			public function getModulus(): BigInteger
84			{
85			return $this->modulus;
86			}
87
88			/**
89			* @return int
90			*/
91			public function getModulusLength(): int
92			{
93			return $this->modulus_length;
94			}
95
96			/**
97			* @return BigInteger
98			*/
99			public function getExponent(): BigInteger
100			{
101			$d = $this->getPrivateExponent();
102			if (null !== $d) {
103			return $d;
104			}
105
106			return $this->getPublicExponent();
107			}
108
109			/**
110			* @return BigInteger
111			*/
112			public function getPublicExponent(): BigInteger
113			{
114			return $this->public_exponent;
115			}
116
117			/**
118			* @return BigInteger\|null
119			*/
120			public function getPrivateExponent(): ?BigInteger
121			{
122			return $this->private_exponent;
123			}
124
125			/**
126			* @return BigInteger[]
127			*/
128			public function getPrimes(): array
129			{
130			return $this->primes;
131			}
132
133			/**
134			* @return BigInteger[]
135			*/
136			public function getExponents(): array
137			{
138			return $this->exponents;
139			}
140
141			/**
142			* @return BigInteger\|null
143			*/
144			public function getCoefficient(): ?BigInteger
145			{
146			return $this->coefficient;
147			}
148
149			/**
150			* @return bool
151			*/
152			public function isPublic(): bool
153			{
154			return !array_key_exists('d', $this->values);
155			}
156
157			/**
158			* @param RSAKey $private
159			*
160			* @return RSAKey
161			*/
162			public static function toPublic(RSAKey $private): RSAKey
163			{
164			$data = $private->toArray();
165			$keys = ['p', 'd', 'q', 'dp', 'dq', 'qi'];
166			foreach ($keys as $key) {
167			if (array_key_exists($key, $data)) {
168			unset($data[$key]);
169			}
170			}
171
172			return new self(JWK::create($data));
173			}
174
175			/**
176			* @return array
177			*/
178			public function toArray(): array
179			{
180			return $this->values;
181			}
182
183			/**
184			* @param array $jwk
185			*/
186			private function loadJWK(array $jwk)
187			{
188			if (!array_key_exists('kty', $jwk)) {
189			throw new \InvalidArgumentException('The key parameter "kty" is missing.');
190			}
191			if ('RSA' !== $jwk['kty']) {
192			throw new \InvalidArgumentException('The JWK is not a RSA key.');
193			}
194
195			$this->values = $jwk;
196			}
197
198			private function populateBigIntegers()
199			{
200			$this->modulus = $this->convertBase64StringToBigInteger($this->values['n']);
201			$this->modulus_length = mb_strlen($this->getModulus()->toBytes(), '8bit');
202			$this->public_exponent = $this->convertBase64StringToBigInteger($this->values['e']);
203
204			if (!$this->isPublic()) {
205			$this->private_exponent = $this->convertBase64StringToBigInteger($this->values['d']);
206
207			if (array_key_exists('p', $this->values) && array_key_exists('q', $this->values)) {
208			$this->primes = [
209			$this->convertBase64StringToBigInteger($this->values['p']),
210			$this->convertBase64StringToBigInteger($this->values['q']),
211			];
212			if (array_key_exists('dp', $this->values) && array_key_exists('dq', $this->values) && array_key_exists('qi', $this->values)) {
213			$this->exponents = [
214			$this->convertBase64StringToBigInteger($this->values['dp']),
215			$this->convertBase64StringToBigInteger($this->values['dq']),
216			];
217			$this->coefficient = $this->convertBase64StringToBigInteger($this->values['qi']);
218			}
219			}
220			}
221			}
222
223			/**
224			* @param string $value
225			*
226			* @return BigInteger
227			*/
228			private function convertBase64StringToBigInteger(string $value): BigInteger
229			{
230			return BigInteger::createFromBinaryString(Base64Url::decode($value));
231			}
232			}
233

Spomky-Labs / jose

Push — v7 ( d25f5c...477009 )

RSAKey::populateBigIntegers() C

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