2020-12-21 15:38:52 +01:00
|
|
|
include::../description.adoc[]
|
|
|
|
|
|
|
|
include::../recommended.adoc[]
|
|
|
|
|
|
|
|
== Noncompliant Code Example
|
|
|
|
|
2022-02-04 17:28:24 +01:00
|
|
|
[source,vbnet]
|
2020-12-21 15:38:52 +01:00
|
|
|
----
|
|
|
|
Public Sub Hash(Password As String)
|
|
|
|
Dim Salt As Byte() = Encoding.UTF8.GetBytes("Hardcoded salt")
|
|
|
|
Dim FromHardcoded As New Rfc2898DeriveBytes(Password, Salt) ' Noncompliant, salt Is hardcoded
|
|
|
|
|
|
|
|
Salt = Encoding.UTF8.GetBytes(Password)
|
|
|
|
Dim FromPassword As New Rfc2898DeriveBytes(Password, Salt) ' Noncompliant, password should Not be used As a salt As it makes it predictable
|
|
|
|
|
|
|
|
Dim ShortSalt(7) As Byte
|
|
|
|
RandomNumberGenerator.Create().GetBytes(ShortSalt)
|
|
|
|
Dim FromShort As New Rfc2898DeriveBytes(Password, ShortSalt) ' Noncompliant, salt Is too Short (should be at least 32 bytes, Not 8)
|
|
|
|
End Sub
|
|
|
|
----
|
|
|
|
|
|
|
|
== Compliant Solution
|
|
|
|
|
2022-02-04 17:28:24 +01:00
|
|
|
[source,vbnet]
|
2020-12-21 15:38:52 +01:00
|
|
|
----
|
|
|
|
Public Function Hash(Password As String) As DeriveBytes
|
|
|
|
Return New Rfc2898DeriveBytes(Password, 64)
|
|
|
|
End Function
|
|
|
|
----
|
|
|
|
|
|
|
|
include::../see.adoc[]
|
2021-06-02 20:44:38 +02:00
|
|
|
|
2021-06-03 09:05:38 +02:00
|
|
|
ifdef::env-github,rspecator-view[]
|
2021-09-20 15:38:42 +02:00
|
|
|
|
|
|
|
'''
|
|
|
|
== Implementation Specification
|
|
|
|
(visible only on this page)
|
|
|
|
|
|
|
|
include::../message.adoc[]
|
|
|
|
|
2021-06-08 15:52:13 +02:00
|
|
|
'''
|
2021-06-02 20:44:38 +02:00
|
|
|
== Comments And Links
|
|
|
|
(visible only on this page)
|
|
|
|
|
|
|
|
include::../comments-and-links.adoc[]
|
2021-06-03 09:05:38 +02:00
|
|
|
endif::env-github,rspecator-view[]
|