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Stored procedures
The spDerivation property is used to:
  • Get the key derivation function used to hash an item of type "Password". This property can be used for items of type "Password" defined in the data model editor or programmatically.
  • Set the key derivation function used for hashing (only for "Password" items defined programmatically).
Example
// Describe the AFile file
...
 
// Describe the "Password" item
MyItem is Item Description
MyItem.Name = "Password"
MyItem.Type = hItemSecurePassword
MyItem.spDerivation = SP_PBKDF2
MyItem.spHash = SP_SHA2_256
MyItem.spIterationCount = 20000
MyItem.spLength = 256
 
// Validate the description of the "Password" item
HDescribeItem(AFile, MyItem)
 
// Validate the description of AFile file
...
Syntax

Getting the key derivation function used ("Password" item) Hide the details

<Derivation function> = <Data file>.<Item>.spDerivation
<Derivation function>: Integer constant
Key derivation function used to hash an item of type "Password":
SP_PBKDF2Password-Based Key Derivation Function 2 (PBKDF2) is used.
<Data file>: Character string
Name of the file used. This name was defined in the data model editor or with the File Description type.
<Item>: Character string
Name of the item used. This name was defined in the data model editor or with the Item Description type.

Setting the key derivation function used ("Password" item described programmatically) Hide the details

<Item>.spDerivation = <Derivation function>
<Item>: Character string
Name of the item used. This name was defined by the Item Description type.
<Derivation function>: Integer constant
Key derivation function used to hash an item of type "Password":
SP_PBKDF2Password-Based Key Derivation Function 2 (PBKDF2) is used.
Minimum version required
  • Version 27
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