AttributeCertificate::__toString() - Code Metrics - et-nik/x509 - Measure and Improve Code Quality continuously with Scrutinizer

AttributeCertificate::__toString() A
last analyzed 2019-03-08 21:22 UTC

↳ Parent: AttributeCertificate

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

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

<?php

declare(strict_types = 1);

namespace X509\AttributeCertificate;

use ASN1\Type\UnspecifiedType;
use ASN1\Type\Constructed\Sequence;
use Sop\CryptoBridge\Crypto;
use Sop\CryptoEncoding\PEM;
use Sop\CryptoTypes\AlgorithmIdentifier\AlgorithmIdentifier;
use Sop\CryptoTypes\AlgorithmIdentifier\Feature\SignatureAlgorithmIdentifier;
use Sop\CryptoTypes\Asymmetric\PublicKeyInfo;
use Sop\CryptoTypes\Signature\Signature;
use X509\Certificate\Certificate;

/**
 * Implements <i>AttributeCertificate</i> ASN.1 type.
 *
 * @link https://tools.ietf.org/html/rfc5755#section-4.1
 */
class AttributeCertificate
{
    /**
     * Attribute certificate info.
     *
     * @var AttributeCertificateInfo $_acinfo
     */
    protected $_acinfo;
    
    /**
     * Signature algorithm identifier.
     *
     * @var SignatureAlgorithmIdentifier $_signatureAlgorithm
     */
    protected $_signatureAlgorithm;
    
    /**
     * Signature value.
     *
     * @var Signature $_signatureValue
     */
    protected $_signatureValue;
    
    /**
     * Constructor.
     *
     * @param AttributeCertificateInfo $acinfo
     * @param SignatureAlgorithmIdentifier $algo
     * @param Signature $signature
     */
    public function __construct(AttributeCertificateInfo $acinfo,
        SignatureAlgorithmIdentifier $algo, Signature $signature)
    {
        $this->_acinfo = $acinfo;
        $this->_signatureAlgorithm = $algo;
        $this->_signatureValue = $signature;
    }
    
    /**
     * Initialize from ASN.1.
     *
     * @param Sequence $seq
     * @return self
     */
    public static function fromASN1(Sequence $seq): self
    {
        $acinfo = AttributeCertificateInfo::fromASN1($seq->at(0)->asSequence());
        $algo = AlgorithmIdentifier::fromASN1($seq->at(1)->asSequence());
        if (!$algo instanceof SignatureAlgorithmIdentifier) {
            throw new \UnexpectedValueException(
                "Unsupported signature algorithm " . $algo->oid() . ".");
        }
        $signature = Signature::fromSignatureData(
            $seq->at(2)
                ->asBitString()
                ->string(), $algo);
        return new self($acinfo, $algo, $signature);
    }
    
    /**
     * Initialize from DER data.
     *
     * @param string $data
     * @return self
     */
    public static function fromDER(string $data): self
    {
        return self::fromASN1(UnspecifiedType::fromDER($data)->asSequence());
    }
    
    /**
     * Initialize from PEM.
     *
     * @param PEM $pem
     * @throws \UnexpectedValueException
     * @return self
     */
    public static function fromPEM(PEM $pem): self
    {
        if ($pem->type() !== PEM::TYPE_ATTRIBUTE_CERTIFICATE) {
            throw new \UnexpectedValueException("Invalid PEM type.");
        }
        return self::fromDER($pem->data());
    }
    
    /**
     * Get attribute certificate info.
     *
     * @return AttributeCertificateInfo
     */
    public function acinfo(): AttributeCertificateInfo
    {
        return $this->_acinfo;
    }
    
    /**
     * Get signature algorithm identifier.
     *
     * @return SignatureAlgorithmIdentifier
     */
    public function signatureAlgorithm(): SignatureAlgorithmIdentifier
    {
        return $this->_signatureAlgorithm;
    }
    
    /**
     * Get signature value.
     *
     * @return Signature
     */
    public function signatureValue(): Signature
    {
        return $this->_signatureValue;
    }
    
    /**
     * Get ASN.1 structure.
     *
     * @return Sequence
     */
    public function toASN1(): Sequence
    {
        return new Sequence($this->_acinfo->toASN1(),
            $this->_signatureAlgorithm->toASN1(),
            $this->_signatureValue->bitString());
    }
    
    /**
     * Get attribute certificate as a DER.
     *
     * @return string
     */
    public function toDER(): string
    {
        return $this->toASN1()->toDER();
    }
    
    /**
     * Get attribute certificate as a PEM.
     *
     * @return PEM
     */
    public function toPEM(): PEM
    {
        return new PEM(PEM::TYPE_ATTRIBUTE_CERTIFICATE, $this->toDER());
    }
    
    /**
     * Check whether attribute certificate is issued to the subject identified
     * by given public key certificate.
     *
     * @param Certificate $cert Certificate
     * @return boolean
     */
    public function isHeldBy(Certificate $cert): bool
    {
        if (!$this->_acinfo->holder()->identifiesPKC($cert)) {
            return false;
        }
        return true;
    }
    
    /**
     * Check whether attribute certificate is issued by given public key
     * certificate.
     *
     * @param Certificate $cert Certificate
     * @return boolean
     */
    public function isIssuedBy(Certificate $cert): bool
    {
        if (!$this->_acinfo->issuer()->identifiesPKC($cert)) {
            return false;
        }
        return true;
    }
    
    /**
     * Verify signature.
     *
     * @param PublicKeyInfo $pubkey_info Signer's public key
     * @param Crypto|null $crypto Crypto engine, use default if not set
     * @return bool
     */
    public function verify(PublicKeyInfo $pubkey_info, Crypto $crypto = null): bool
    {
        $crypto = $crypto ?: Crypto::getDefault();
        $data = $this->_acinfo->toASN1()->toDER();
        return $crypto->verify($data, $this->_signatureValue, $pubkey_info,
            $this->_signatureAlgorithm);
    }
    
    /**
     * Get attribute certificate as a PEM formatted string.
     *
     * @return string
     */
    public function __toString()
    {
        return $this->toPEM()->string();
    }
}


1		<?php
2
3		declare(strict_types = 1);
4
5		namespace X509\AttributeCertificate;
6
7		use ASN1\Type\UnspecifiedType;
8		use ASN1\Type\Constructed\Sequence;
9		use Sop\CryptoBridge\Crypto;
10		use Sop\CryptoEncoding\PEM;
11		use Sop\CryptoTypes\AlgorithmIdentifier\AlgorithmIdentifier;
12		use Sop\CryptoTypes\AlgorithmIdentifier\Feature\SignatureAlgorithmIdentifier;
13		use Sop\CryptoTypes\Asymmetric\PublicKeyInfo;
14		use Sop\CryptoTypes\Signature\Signature;
15		use X509\Certificate\Certificate;
16
17		/**
18		* Implements <i>AttributeCertificate</i> ASN.1 type.
19		*
20		* @link https://tools.ietf.org/html/rfc5755#section-4.1
21		*/
22		class AttributeCertificate
23		{
24		/**
25		* Attribute certificate info.
26		*
27		* @var AttributeCertificateInfo $_acinfo
28		*/
29		protected $_acinfo;
30
31		/**
32		* Signature algorithm identifier.
33		*
34		* @var SignatureAlgorithmIdentifier $_signatureAlgorithm
35		*/
36		protected $_signatureAlgorithm;
37
38		/**
39		* Signature value.
40		*
41		* @var Signature $_signatureValue
42		*/
43		protected $_signatureValue;
44
45		/**
46		* Constructor.
47		*
48		* @param AttributeCertificateInfo $acinfo
49		* @param SignatureAlgorithmIdentifier $algo
50		* @param Signature $signature
51		*/
52	5	public function __construct(AttributeCertificateInfo $acinfo,
53		SignatureAlgorithmIdentifier $algo, Signature $signature)
54		{
55	5	$this->_acinfo = $acinfo;
56	5	$this->_signatureAlgorithm = $algo;
57	5	$this->_signatureValue = $signature;
58	5	}
59
60		/**
61		* Initialize from ASN.1.
62		*
63		* @param Sequence $seq
64		* @return self
65		*/
66	4	public static function fromASN1(Sequence $seq): self
67		{
68	4	$acinfo = AttributeCertificateInfo::fromASN1($seq->at(0)->asSequence());
69	4	$algo = AlgorithmIdentifier::fromASN1($seq->at(1)->asSequence());
70	4	if (!$algo instanceof SignatureAlgorithmIdentifier) {
71	1	throw new \UnexpectedValueException(
72	1	"Unsupported signature algorithm " . $algo->oid() . ".");
73		}
74	3	$signature = Signature::fromSignatureData(
75	3	$seq->at(2)
76	3	->asBitString()
77	3	->string(), $algo);
78	3	return new self($acinfo, $algo, $signature);
79		}
80
81		/**
82		* Initialize from DER data.
83		*
84		* @param string $data
85		* @return self
86		*/
87	1	public static function fromDER(string $data): self
88		{
89	1	return self::fromASN1(UnspecifiedType::fromDER($data)->asSequence());
90		}
91
92		/**
93		* Initialize from PEM.
94		*
95		* @param PEM $pem
96		* @throws \UnexpectedValueException
97		* @return self
98		*/
99	2	public static function fromPEM(PEM $pem): self
100		{
101	2	if ($pem->type() !== PEM::TYPE_ATTRIBUTE_CERTIFICATE) {
102	1	throw new \UnexpectedValueException("Invalid PEM type.");
103		}
104	1	return self::fromDER($pem->data());
105		}
106
107		/**
108		* Get attribute certificate info.
109		*
110		* @return AttributeCertificateInfo
111		*/
112	7	public function acinfo(): AttributeCertificateInfo
113		{
114	7	return $this->_acinfo;
115		}
116
117		/**
118		* Get signature algorithm identifier.
119		*
120		* @return SignatureAlgorithmIdentifier
121		*/
122	2	public function signatureAlgorithm(): SignatureAlgorithmIdentifier
123		{
124	2	return $this->_signatureAlgorithm;
125		}
126
127		/**
128		* Get signature value.
129		*
130		* @return Signature
131		*/
132	1	public function signatureValue(): Signature
133		{
134	1	return $this->_signatureValue;
135		}
136
137		/**
138		* Get ASN.1 structure.
139		*
140		* @return Sequence
141		*/
142	4	public function toASN1(): Sequence
143		{
144	4	return new Sequence($this->_acinfo->toASN1(),
145	4	$this->_signatureAlgorithm->toASN1(),
146	4	$this->_signatureValue->bitString());
147		}
148
149		/**
150		* Get attribute certificate as a DER.
151		*
152		* @return string
153		*/
154	2	public function toDER(): string
155		{
156	2	return $this->toASN1()->toDER();
157		}
158
159		/**
160		* Get attribute certificate as a PEM.
161		*
162		* @return PEM
163		*/
164	2	public function toPEM(): PEM
165		{
166	2	return new PEM(PEM::TYPE_ATTRIBUTE_CERTIFICATE, $this->toDER());
167		}
168
169		/**
170		* Check whether attribute certificate is issued to the subject identified
171		* by given public key certificate.
172		*
173		* @param Certificate $cert Certificate
174		* @return boolean
175		*/
176	13	public function isHeldBy(Certificate $cert): bool
177		{
178	13	if (!$this->_acinfo->holder()->identifiesPKC($cert)) {
179	2	return false;
180		}
181	11	return true;
182		}
183
184		/**
185		* Check whether attribute certificate is issued by given public key
186		* certificate.
187		*
188		* @param Certificate $cert Certificate
189		* @return boolean
190		*/
191	11	public function isIssuedBy(Certificate $cert): bool
192		{
193	11	if (!$this->_acinfo->issuer()->identifiesPKC($cert)) {
194	2	return false;
195		}
196	9	return true;
197		}
198
199		/**
200		* Verify signature.
201		*
202		* @param PublicKeyInfo $pubkey_info Signer's public key
203		* @param Crypto\|null $crypto Crypto engine, use default if not set
204		* @return bool
205		*/
206	10	public function verify(PublicKeyInfo $pubkey_info, Crypto $crypto = null): bool
207		{
208	10	$crypto = $crypto ?: Crypto::getDefault();
209	10	$data = $this->_acinfo->toASN1()->toDER();
210	10	return $crypto->verify($data, $this->_signatureValue, $pubkey_info,
211	10	$this->_signatureAlgorithm);
212		}
213
214		/**
215		* Get attribute certificate as a PEM formatted string.
216		*
217		* @return string
218		*/
219	1	public function __toString()
220		{
221	1	return $this->toPEM()->string();
222		}
223		}
224

et-nik / x509

AttributeCertificate::__toString() A last analyzed 2019-03-08 21:22 UTC

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AttributeCertificate::__toString() A
last analyzed 2019-03-08 21:22 UTC