code: func RemovePkcs7(padded []byte, blockSize int) []byte {	
  	
  	dataLen:=len(padded)		
  	paddingCount:=int(padded[dataLen-1])
  	
  	if(paddingCount > blockSize || paddingCount <= 0) {
  		return padded //data is not padded (or not padded correctly), return as is
  	}
  
  	padding := padded[dataLen-paddingCount : dataLen-1]
  			
  	for _, b := range padding {
  		if int(b) != paddingCount {
  			return padded  //data is not padded (or not padded correcly), return as is
  		}
  	}		
  		
  	return padded[:len(padded)-paddingCount] //return data - padding
  }
docs: // RemovePkcs7 removes pkcs7 padding from previously padded byte array