fof/src/99175f6d-dba8-4086-8a65-5c4ec175e61d

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class AES (Details)

namespace: VastDevelopmentMethod\Joomla\FOF\Encrypt

@startuml
class AES  #Gold {
  # $key
  # $adapter
  + __construct(string $key, int $strength = 128, ...)
  + setPassword(string $password, bool $legacyMode = false)
  + encryptString(string $stringToEncrypt, bool $base64encoded = true) : string
  + decryptString(string $stringToDecrypt, bool $base64encoded = true) : string
  + {static} isSupported(Phpfunc $phpfunc = null) : boolean
  + getExpandedKey($blockSize, $iv) : string
   hash_pbkdf2($algo, $password, ...)
}

note right of AES::__construct
  Initialise the AES encryption object.
Note: If the key is not 16 bytes this class will do a stupid key expansion for legacy reasons (produce the
SHA-256 of the key string and throw away half of it).

  
  arguments:
    string $key
    int $strength = 128
    string $mode = 'cbc'
    Phpfunc $phpfunc = null
    string $priority = 'openssl'
end note

note right of AES::setPassword
  Sets the password for this instance.
WARNING: Do not use the legacy mode, it's insecure

end note

note right of AES::encryptString
  Encrypts a string using AES
the raw string is the IV (initialisation vector) which
is necessary for decoding the string.

  return: string
end note

note right of AES::decryptString
  Decrypts a ciphertext into a plaintext string using AES
the IV (initialisation vector).

  return: string
end note

note right of AES::isSupported
  Is AES encryption supported by this PHP installation?

  return: boolean
end note

note right of AES::getExpandedKey
  

  return: string
end note

note right of AES::hash_pbkdf2
  
  arguments:
    $algo
    $password
    $salt
    $count
    $length
    $raw_output = false
end note
 
@enduml

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