Patent ID: 11880471
Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. The PCA-based password hard-coding detection device according to claim 11, wherein Step 3.2 comprises:, φ
    i
   
   =
   
    
     F
     i
    
    -
    
     
      1
      n
     
     ⁢
     
      
       ∑
        
      
      
       j
       =
       1
      
      n
     
     ⁢
     
      F
      j
     
    
   
  
  ,, wherein φi is a φ value of an ith feature, a value range of i is [1, m], and Fj is a jth attribute of the sample, a value range of j is [1, n]; and, C
   =
   
    
     1
     m
    
    ⁢
    X
    ⁢
    
     X
     T
    
   
  
  ,
  
   X
   =
   
    (
    
     
      
       
        φ
        11
       
      
      
       ⋯
      
      
       
        φ
        
         1
         ⁢
         m
        
       
      
     
     
      
       ⋮
      
      
       ⋱
      
      
       ⋮
      
     
     
      
       
        φ
        
         n
         ⁢
         1
        
       
      
      
       ⋯
      
      
       
        φ
        nm
       
      
     
    
    )
   
  
  ,, wherein φnm is a φ value of an mth feature of an nth sample.