RSAKey::exponentiate() - Code Metrics - Inspection of "Duplicated code fixed" - web-token/jwt-framework - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Push — master ( d39f59...052283 )

by Florent

created 2017-11-25 22:01 UTC

RSAKey::exponentiate() C

↳ Parent: RSAKey

Complexity

Conditions	7
Paths	3

Size

Total Lines	22
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	22
rs	6.9811
c	0
b	0
f	0
cc	7
eloc	15
nc	3
nop	2

<?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 FG\ASN1\Universal\BitString;
use FG\ASN1\Universal\Integer;
use FG\ASN1\Universal\NullObject;
use FG\ASN1\Universal\ObjectIdentifier;
use FG\ASN1\Universal\OctetString;
use FG\ASN1\Universal\Sequence;
use Jose\Component\Core\JWK;

/**
 * Class RSAKey.
 */
final class RSAKey
{
    /**
     * @var Sequence
     */
    private $sequence;

    /**
     * @var bool
     */
    private $private = false;

    /**
     * @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();
        $this->private = array_key_exists('d', $this->values);
    }

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

    /**
     * @return string
     */
    public function toPEM(): string
    {
        if (null === $this->sequence) {
            $this->sequence = new Sequence();
            if (array_key_exists('d', $this->values)) {
                $this->initPrivateKey();
            } else {
                $this->initPublicKey();
            }
        }
        $result = '-----BEGIN '.($this->private ? 'RSA PRIVATE' : 'PUBLIC').' KEY-----'.PHP_EOL;
        $result .= chunk_split(base64_encode($this->sequence->getBinary()), 64, PHP_EOL);
        $result .= '-----END '.($this->private ? 'RSA PRIVATE' : 'PUBLIC').' KEY-----'.PHP_EOL;

        return $result;
    }

    /**
     * @throws \Exception
     */
    private function initPublicKey()
    {
        $oid_sequence = new Sequence();
        $oid_sequence->addChild(new ObjectIdentifier('1.2.840.113549.1.1.1'));
        $oid_sequence->addChild(new NullObject());
        $this->sequence->addChild($oid_sequence);
        $n = new Integer($this->fromBase64ToInteger($this->values['n']));
        $e = new Integer($this->fromBase64ToInteger($this->values['e']));
        $key_sequence = new Sequence();
        $key_sequence->addChild($n);
        $key_sequence->addChild($e);
        $key_bit_string = new BitString(bin2hex($key_sequence->getBinary()));
        $this->sequence->addChild($key_bit_string);
    }

    private function initPrivateKey()
    {
        $this->sequence->addChild(new Integer(0));
        $oid_sequence = new Sequence();
        $oid_sequence->addChild(new ObjectIdentifier('1.2.840.113549.1.1.1'));
        $oid_sequence->addChild(new NullObject());
        $this->sequence->addChild($oid_sequence);
        $v = new Integer(0);
        $n = new Integer($this->fromBase64ToInteger($this->values['n']));
        $e = new Integer($this->fromBase64ToInteger($this->values['e']));
        $d = new Integer($this->fromBase64ToInteger($this->values['d']));
        $p = new Integer($this->fromBase64ToInteger($this->values['p']));
        $q = new Integer($this->fromBase64ToInteger($this->values['q']));
        $dp = array_key_exists('dp', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['dp'])) : new Integer(0);
        $dq = array_key_exists('dq', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['dq'])) : new Integer(0);
        $qi = array_key_exists('qi', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['qi'])) : new Integer(0);
        $key_sequence = new Sequence();
        $key_sequence->addChild($v);
        $key_sequence->addChild($n);
        $key_sequence->addChild($e);
        $key_sequence->addChild($d);
        $key_sequence->addChild($p);
        $key_sequence->addChild($q);
        $key_sequence->addChild($dp);
        $key_sequence->addChild($dq);
        $key_sequence->addChild($qi);
        $key_octet_string = new OctetString(bin2hex($key_sequence->getBinary()));
        $this->sequence->addChild($key_octet_string);
    }

    /**
     * @param string $value
     *
     * @return string
     */
    private function fromBase64ToInteger($value)
    {
        return gmp_strval(gmp_init(current(unpack('H*', Base64Url::decode($value))), 16), 10);
    }

    /**
     * Exponentiate with or without Chinese Remainder Theorem.
     * Operation with primes 'p' and 'q' is appox. 2x faster.
     *
     * @param RSAKey     $key
     * @param BigInteger $c
     *
     * @return BigInteger
     */
    public static function exponentiate(RSAKey $key, BigInteger $c): BigInteger
    {
        if ($c->compare(BigInteger::createFromDecimal(0)) < 0 || $c->compare($key->getModulus()) > 0) {
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            throw new \RuntimeException();
        }
        if ($key->isPublic() || empty($key->getPrimes()) || empty($key->getExponents()) || null === $key->getCoefficient()) {
            return $c->modPow($key->getExponent(), $key->getModulus());
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }

        $p = $key->getPrimes()[0];
        $q = $key->getPrimes()[1];
        $dP = $key->getExponents()[0];
        $dQ = $key->getExponents()[1];
        $qInv = $key->getCoefficient();

        $m1 = $c->modPow($dP, $p);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $m2 = $c->modPow($dQ, $q);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        $h = $qInv->multiply($m1->subtract($m2)->add($p))->mod($p);
        $m = $m2->add($h->multiply($q));

        return $m;
    }
}


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 FG\ASN1\Universal\BitString;
18			use FG\ASN1\Universal\Integer;
19			use FG\ASN1\Universal\NullObject;
20			use FG\ASN1\Universal\ObjectIdentifier;
21			use FG\ASN1\Universal\OctetString;
22			use FG\ASN1\Universal\Sequence;
23			use Jose\Component\Core\JWK;
24
25			/**
26			* Class RSAKey.
27			*/
28			final class RSAKey
29			{
30			/**
31			* @var Sequence
32			*/
33			private $sequence;
34
35			/**
36			* @var bool
37			*/
38			private $private = false;
39
40			/**
41			* @var array
42			*/
43			private $values = [];
44
45			/**
46			* @var BigInteger
47			*/
48			private $modulus;
49
50			/**
51			* @var int
52			*/
53			private $modulus_length;
54
55			/**
56			* @var BigInteger
57			*/
58			private $public_exponent;
59
60			/**
61			* @var BigInteger\|null
62			*/
63			private $private_exponent = null;
64
65			/**
66			* @var BigInteger[]
67			*/
68			private $primes = [];
69
70			/**
71			* @var BigInteger[]
72			*/
73			private $exponents = [];
74
75			/**
76			* @var BigInteger\|null
77			*/
78			private $coefficient = null;
79
80			/**
81			* @param JWK $data
82			*/
83			private function __construct(JWK $data)
84			{
85			$this->loadJWK($data->all());
86			$this->populateBigIntegers();
87			$this->private = array_key_exists('d', $this->values);
88			}
89
90			/**
91			* @param JWK $jwk
92			*
93			* @return RSAKey
94			*/
95			public static function createFromJWK(JWK $jwk): self
96			{
97			return new self($jwk);
98			}
99
100			/**
101			* @return BigInteger
102			*/
103			public function getModulus(): BigInteger
104			{
105			return $this->modulus;
106			}
107
108			/**
109			* @return int
110			*/
111			public function getModulusLength(): int
112			{
113			return $this->modulus_length;
114			}
115
116			/**
117			* @return BigInteger
118			*/
119			public function getExponent(): BigInteger
120			{
121			$d = $this->getPrivateExponent();
122			if (null !== $d) {
123			return $d;
124			}
125
126			return $this->getPublicExponent();
127			}
128
129			/**
130			* @return BigInteger
131			*/
132			public function getPublicExponent(): BigInteger
133			{
134			return $this->public_exponent;
135			}
136
137			/**
138			* @return BigInteger\|null
139			*/
140			public function getPrivateExponent(): ?BigInteger
141			{
142			return $this->private_exponent;
143			}
144
145			/**
146			* @return BigInteger[]
147			*/
148			public function getPrimes(): array
149			{
150			return $this->primes;
151			}
152
153			/**
154			* @return BigInteger[]
155			*/
156			public function getExponents(): array
157			{
158			return $this->exponents;
159			}
160
161			/**
162			* @return BigInteger\|null
163			*/
164			public function getCoefficient(): ?BigInteger
165			{
166			return $this->coefficient;
167			}
168
169			/**
170			* @return bool
171			*/
172			public function isPublic(): bool
173			{
174			return !array_key_exists('d', $this->values);
175			}
176
177			/**
178			* @param RSAKey $private
179			*
180			* @return RSAKey
181			*/
182			public static function toPublic(self $private): self
183			{
184			$data = $private->toArray();
185			$keys = ['p', 'd', 'q', 'dp', 'dq', 'qi'];
186			foreach ($keys as $key) {
187			if (array_key_exists($key, $data)) {
188			unset($data[$key]);
189			}
190			}
191
192			return new self(JWK::create($data));
193			}
194
195			/**
196			* @return array
197			*/
198			public function toArray(): array
199			{
200			return $this->values;
201			}
202
203			/**
204			* @param array $jwk
205			*/
206			private function loadJWK(array $jwk)
207			{
208			if (!array_key_exists('kty', $jwk)) {
209			throw new \InvalidArgumentException('The key parameter "kty" is missing.');
210			}
211			if ('RSA' !== $jwk['kty']) {
212			throw new \InvalidArgumentException('The JWK is not a RSA key.');
213			}
214
215			$this->values = $jwk;
216			}
217
218			private function populateBigIntegers()
219			{
220			$this->modulus = $this->convertBase64StringToBigInteger($this->values['n']);
221			$this->modulus_length = mb_strlen($this->getModulus()->toBytes(), '8bit');
222			$this->public_exponent = $this->convertBase64StringToBigInteger($this->values['e']);
223
224			if (!$this->isPublic()) {
225			$this->private_exponent = $this->convertBase64StringToBigInteger($this->values['d']);
226
227			if (array_key_exists('p', $this->values) && array_key_exists('q', $this->values)) {
228			$this->primes = [
229			$this->convertBase64StringToBigInteger($this->values['p']),
230			$this->convertBase64StringToBigInteger($this->values['q']),
231			];
232			if (array_key_exists('dp', $this->values) && array_key_exists('dq', $this->values) && array_key_exists('qi', $this->values)) {
233			$this->exponents = [
234			$this->convertBase64StringToBigInteger($this->values['dp']),
235			$this->convertBase64StringToBigInteger($this->values['dq']),
236			];
237			$this->coefficient = $this->convertBase64StringToBigInteger($this->values['qi']);
238			}
239			}
240			}
241			}
242
243			/**
244			* @param string $value
245			*
246			* @return BigInteger
247			*/
248			private function convertBase64StringToBigInteger(string $value): BigInteger
249			{
250			return BigInteger::createFromBinaryString(Base64Url::decode($value));
251			}
252
253			/**
254			* @return string
255			*/
256			public function toPEM(): string
257			{
258			if (null === $this->sequence) {
259			$this->sequence = new Sequence();
260			if (array_key_exists('d', $this->values)) {
261			$this->initPrivateKey();
262			} else {
263			$this->initPublicKey();
264			}
265			}
266			$result = '-----BEGIN '.($this->private ? 'RSA PRIVATE' : 'PUBLIC').' KEY-----'.PHP_EOL;
267			$result .= chunk_split(base64_encode($this->sequence->getBinary()), 64, PHP_EOL);
268			$result .= '-----END '.($this->private ? 'RSA PRIVATE' : 'PUBLIC').' KEY-----'.PHP_EOL;
269
270			return $result;
271			}
272
273			/**
274			* @throws \Exception
275			*/
276			private function initPublicKey()
277			{
278			$oid_sequence = new Sequence();
279			$oid_sequence->addChild(new ObjectIdentifier('1.2.840.113549.1.1.1'));
280			$oid_sequence->addChild(new NullObject());
281			$this->sequence->addChild($oid_sequence);
282			$n = new Integer($this->fromBase64ToInteger($this->values['n']));
283			$e = new Integer($this->fromBase64ToInteger($this->values['e']));
284			$key_sequence = new Sequence();
285			$key_sequence->addChild($n);
286			$key_sequence->addChild($e);
287			$key_bit_string = new BitString(bin2hex($key_sequence->getBinary()));
288			$this->sequence->addChild($key_bit_string);
289			}
290
291			private function initPrivateKey()
292			{
293			$this->sequence->addChild(new Integer(0));
294			$oid_sequence = new Sequence();
295			$oid_sequence->addChild(new ObjectIdentifier('1.2.840.113549.1.1.1'));
296			$oid_sequence->addChild(new NullObject());
297			$this->sequence->addChild($oid_sequence);
298			$v = new Integer(0);
299			$n = new Integer($this->fromBase64ToInteger($this->values['n']));
300			$e = new Integer($this->fromBase64ToInteger($this->values['e']));
301			$d = new Integer($this->fromBase64ToInteger($this->values['d']));
302			$p = new Integer($this->fromBase64ToInteger($this->values['p']));
303			$q = new Integer($this->fromBase64ToInteger($this->values['q']));
304			$dp = array_key_exists('dp', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['dp'])) : new Integer(0);
305			$dq = array_key_exists('dq', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['dq'])) : new Integer(0);
306			$qi = array_key_exists('qi', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['qi'])) : new Integer(0);
307			$key_sequence = new Sequence();
308			$key_sequence->addChild($v);
309			$key_sequence->addChild($n);
310			$key_sequence->addChild($e);
311			$key_sequence->addChild($d);
312			$key_sequence->addChild($p);
313			$key_sequence->addChild($q);
314			$key_sequence->addChild($dp);
315			$key_sequence->addChild($dq);
316			$key_sequence->addChild($qi);
317			$key_octet_string = new OctetString(bin2hex($key_sequence->getBinary()));
318			$this->sequence->addChild($key_octet_string);
319			}
320
321			/**
322			* @param string $value
323			*
324			* @return string
325			*/
326			private function fromBase64ToInteger($value)
327			{
328			return gmp_strval(gmp_init(current(unpack('H*', Base64Url::decode($value))), 16), 10);
329			}
330
331			/**
332			* Exponentiate with or without Chinese Remainder Theorem.
333			* Operation with primes 'p' and 'q' is appox. 2x faster.
334			*
335			* @param RSAKey $key
336			* @param BigInteger $c
337			*
338			* @return BigInteger
339			*/
340			public static function exponentiate(RSAKey $key, BigInteger $c): BigInteger
341			{
342			if ($c->compare(BigInteger::createFromDecimal(0)) < 0 \|\| $c->compare($key->getModulus()) > 0) {
			0 ignored issues – show Documentation introduced 2017-11-13 20:39 UTC by Report Bug Copy Issue Report `$key->getModulus()` is of type `object<Jose\Component\Core\Util\BigInteger>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
343			throw new \RuntimeException();
344			}
345			if ($key->isPublic() \|\| empty($key->getPrimes()) \|\| empty($key->getExponents()) \|\| null === $key->getCoefficient()) {
346			return $c->modPow($key->getExponent(), $key->getModulus());
			0 ignored issues – show Documentation introduced 2017-11-13 20:39 UTC by Report Bug Copy Issue Report `$key->getExponent()` is of type `object<Jose\Component\Core\Util\BigInteger>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history... Documentation introduced 2017-11-13 20:39 UTC by Report Bug Copy Issue Report `$key->getModulus()` is of type `object<Jose\Component\Core\Util\BigInteger>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
347			}
348
349			$p = $key->getPrimes()[0];
350			$q = $key->getPrimes()[1];
351			$dP = $key->getExponents()[0];
352			$dQ = $key->getExponents()[1];
353			$qInv = $key->getCoefficient();
354
355			$m1 = $c->modPow($dP, $p);
			0 ignored issues – show Documentation introduced 2017-11-13 20:39 UTC by Report Bug Copy Issue Report `$dP` is of type `object<Jose\Component\Core\Util\BigInteger>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history... Documentation introduced 2017-11-13 20:39 UTC by Report Bug Copy Issue Report `$p` is of type `object<Jose\Component\Core\Util\BigInteger>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
356			$m2 = $c->modPow($dQ, $q);
			0 ignored issues – show Documentation introduced 2017-11-13 20:39 UTC by Report Bug Copy Issue Report `$dQ` is of type `object<Jose\Component\Core\Util\BigInteger>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history... Documentation introduced 2017-11-13 20:39 UTC by Report Bug Copy Issue Report `$q` is of type `object<Jose\Component\Core\Util\BigInteger>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
357			$h = $qInv->multiply($m1->subtract($m2)->add($p))->mod($p);
358			$m = $m2->add($h->multiply($q));
359
360			return $m;
361			}
362			}
363

web-token / jwt-framework

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RSAKey::exponentiate() C

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