- 128-bit, 192-bit and 256-bit AES encryption with OFB mode of operation
FicCryptMethod (Property) In french: CryptageFic
  Available only with these kinds of connection
The FicCryptMethod property is used to set the encryption method of a data file. You can: - Get the encryption method of a data file (.FIC) (file defined in the data model editor or programmatically).
- Define the encryption method of a data file programmatically.
// Find out the encryption mode of the Customer data file
ResEncrypt = Customer.FicCryptMethod
Syntax
Finding out the encryption mode of a data file Hide the details
<Current encryption mode> = <Data file>.FicCryptMethod
<Current encryption mode>: Integer constant The encryption modes are:
| | | hEncryptionAES128 | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted using a 128-bit AES algorithm with Output feedback (OFB). | | hEncryptionAES192 | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted using a 192-bit AES algorithm with Output feedback (OFB). | | hEncryptionAES256 | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted using a 256-bit AES algorithm with Output feedback (OFB). | | hEncryptionAuto | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted according to an optimized encryption algorithm (RC5 16 rounds on 128 bits). | | hEncryptionNO | No encryption is performed on the data file. | | hEncryptionRC5_12 | The data file is encrypted according to an optimized encryption algorithm (RC5 12 rounds on 128 bits). | | hEncryptionRC5_16 | The data file is encrypted according to an optimized encryption algorithm (RC5 16 rounds on 128 bits). | | hEncryptionStandard | The data file is encrypted according to an optimized encryption algorithm on 128 bits. |
<Data file>: Character string Name of the data file used. This name was defined in the data model editor or with the File Description type.
Defining the encryption mode of a data file Hide the details
<Data file>.FicCryptMethod = <New encryption mode>
<Data file>: Character string Name of the data file used. This name was defined by the File Description type. <New encryption mode>: Integer constant The encryption modes are:
| | | hEncryptionAES128 | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted using a 128-bit AES algorithm with Output feedback (OFB). | | hEncryptionAES192 | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted using a 192-bit AES algorithm with Output feedback (OFB). | | hEncryptionAES256 | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted using a 256-bit AES algorithm with Output feedback (OFB). | | hEncryptionAuto | Encryption is performed only if a password is set for the data file. In this case, the data file is encrypted according to an optimized encryption algorithm (RC5 16 rounds on 128 bits). | | hEncryptionNO | No encryption is performed on the data file. | | hEncryptionRC5_12 | The data file is encrypted according to an optimized encryption algorithm (RC5 12 rounds on 128 bits). | | hEncryptionRC5_16 | The data file is encrypted according to an optimized encryption algorithm (RC5 16 rounds on 128 bits). | | hEncryptionStandard | The data file is encrypted according to an optimized encryption algorithm on 128 bits. |
Remarks 128-bit, 192-bit and 256-bit AES encryption with OFB mode of operation - If the data file is encrypted using the AES algorithm, it is necessary to use the same method to encrypt the memos (MmoCryptMethod property) and indexes (NdxCryptMethod property).
- If there is encryption that uses the AES algorithm, the option "Enable a high-security level " is automatically applied. In this mode, a password must be set for the data file. This password will be requested at each automatic modification of the data file.
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