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unknown
03:13
created

Crypto::encrypt()   A

↳ Parent: Crypto

Complexity

Conditions 1
Paths 1

Size

Total Lines 6
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 4
c 1
b 0
f 0
nc 1
nop 2
dl 0
loc 6
rs 10
1 
<?php
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namespace Omnipay\SmartPay\Message;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class Crypto

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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{

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function encrypt($plainText, $key) {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $method = "AES-256-GCM";

            


            
                                                                        
                            
            
                                    
            
            

                
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        $initVector = openssl_random_pseudo_bytes(16);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $openMode = openssl_encrypt( $plainText, $method, $key, OPENSSL_RAW_DATA, $initVector, $tag );

            


            
                                                                        
                            
            
                                    
            
            

                
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        return bin2hex( $initVector ).bin2hex( $openMode . $tag );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function decrypt($encryptedText, $key) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $method = 'AES-256-GCM';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $encryptedText = hex2bin( $encryptedText );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $iv_len = $tag_length = 16;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $iv = substr( $encryptedText, 0, $iv_len );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $tag = substr( $encryptedText, -$tag_length, $iv_len );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $ciphertext = substr( $encryptedText, $iv_len, -$tag_length );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return openssl_decrypt( $ciphertext, $method, $key, OPENSSL_RAW_DATA, $iv, $tag );

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}