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1 | <?php |
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2 | /** |
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3 | * Copyright 2015 OpenStack Foundation |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * http://www.apache.org/licenses/LICENSE-2.0 |
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8 | * Unless required by applicable law or agreed to in writing, software |
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9 | * distributed under the License is distributed on an "AS IS" BASIS, |
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10 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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11 | * See the License for the specific language governing permissions and |
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12 | * limitations under the License. |
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13 | **/ |
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14 | |||
15 | namespace jwa\cryptographic_algorithms\key_management\rsa; |
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16 | |||
17 | use jwa\cryptographic_algorithms\Abstract_RSA_Algorithm; |
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18 | use jwa\cryptographic_algorithms\EncryptionAlgorithm; |
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19 | use jwa\cryptographic_algorithms\exceptions\InvalidKeyTypeAlgorithmException; |
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20 | use jwa\cryptographic_algorithms\key_management\modes\KeyEncryption; |
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21 | use security\Key; |
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22 | use security\rsa\RSAPrivateKey; |
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23 | use security\rsa\RSAPublicKey; |
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24 | |||
25 | /** |
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26 | * Class RSA_KeyManagementAlgorithm |
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27 | * @package jwa\cryptographic_algorithms\key_management\rsa |
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28 | */ |
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29 | abstract class RSA_KeyManagementAlgorithm |
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30 | extends Abstract_RSA_Algorithm |
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31 | implements EncryptionAlgorithm, KeyEncryption { |
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32 | |||
33 | public function __construct(){ |
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34 | |||
35 | parent::__construct(); |
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36 | //configuration ... |
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37 | $this->rsa_impl->setEncryptionMode($this->getEncryptionMode()); |
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38 | $this->rsa_impl->setHash($this->getHashingAlgorithm()); |
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39 | $this->rsa_impl->setMGFHash($this->getMGFHash()); |
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40 | } |
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41 | |||
42 | /** |
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43 | * @param Key $key |
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44 | * @param $message |
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45 | * @return string |
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46 | * @throws InvalidKeyTypeAlgorithmException |
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47 | */ |
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48 | View Code Duplication | public function encrypt(Key $key, $message) |
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0 ignored issues
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This method seems to be duplicated in your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
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49 | { |
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50 | if(!($key instanceof RSAPublicKey)) |
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51 | throw new InvalidKeyTypeAlgorithmException('key is not public'); |
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52 | |||
53 | if($key->getFormat() !== 'PKCS8') |
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54 | throw new InvalidKeyTypeAlgorithmException('keys is not on PKCS1 format'); |
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55 | |||
56 | $res = $this->rsa_impl->loadKey($key->getEncoded()); |
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57 | |||
58 | if(!$res) |
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59 | throw new InvalidKeyTypeAlgorithmException('could not parse the key'); |
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60 | |||
61 | if($this->rsa_impl->getSize() < $this->getMinKeyLen()) |
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62 | throw new InvalidKeyTypeAlgorithmException('len is invalid'); |
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63 | |||
64 | return $this->rsa_impl->encrypt($message); |
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65 | } |
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66 | |||
67 | /** |
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68 | * @param Key $key |
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69 | * @param string $enc_message |
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70 | * @return string |
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71 | * @throws InvalidKeyTypeAlgorithmException |
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72 | */ |
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73 | View Code Duplication | public function decrypt(Key $key, $enc_message){ |
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0 ignored issues
–
show
This method seems to be duplicated in your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
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74 | |||
75 | if(!($key instanceof RSAPrivateKey)) |
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76 | throw new InvalidKeyTypeAlgorithmException('key is not private'); |
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77 | |||
78 | |||
79 | if($key->getFormat() !== 'PKCS1') |
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80 | throw new InvalidKeyTypeAlgorithmException('keys is not on PKCS1 format'); |
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81 | |||
82 | $res = $this->rsa_impl->loadKey($key->getEncoded()); |
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83 | |||
84 | if(!$res) |
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85 | throw new InvalidKeyTypeAlgorithmException('could not parse the key'); |
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86 | |||
87 | if($this->rsa_impl->getSize() < $this->getMinKeyLen()) |
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88 | throw new InvalidKeyTypeAlgorithmException('len is invalid'); |
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89 | |||
90 | return $this->rsa_impl->decrypt($enc_message); |
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91 | } |
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92 | |||
93 | /** |
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94 | * @return int |
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95 | */ |
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96 | abstract public function getEncryptionMode(); |
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97 | |||
98 | /** |
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99 | * @return string |
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100 | */ |
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101 | abstract public function getMGFHash(); |
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102 | |||
103 | } |