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Verbesserung login speed und sicherheit durch randomisierung der iterationssschritte

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This commit is contained in:
ja
2022-02-01 16:17:59 +01:00
parent c365e628fc
commit d70f989a3b
5 changed files with 2473 additions and 2440 deletions
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6
App_Code/TestPerformance.vb
View File

@@ -178,9 +178,9 @@ Public Class TestPerformance
For zahl As Integer = 0 To zahlint
sw1.Start()
If HttpContext.Current.Request.ServerVariables("SERVER_NAME") = "localhost" Then
hashsalts.Add(VERAG_VARIABLES.GenerateSalt(VERAG_VARIABLES.RandomInteger(95, 254)))
hashsalts.Add(VERAG_VARIABLES.GenerateSalt(VERAG_VARIABLES.RandomInteger(95, 104)))
Else
hashsalts.Add(VERAG_VARIABLES.GenerateSalt(VERAG_VARIABLES.RandomInteger(95, 365)))
hashsalts.Add(VERAG_VARIABLES.GenerateSalt(VERAG_VARIABLES.RandomInteger(95, 105)))
End If
arrzahl_iterats.Add(VERAG_VARIABLES.RandomInteger(25, 45))
arrzahl.Add(zahlint)
@@ -192,7 +192,7 @@ Public Class TestPerformance
If HttpContext.Current.Request.ServerVariables("SERVER_NAME") = "localhost" Then
pw = "PasswordV$S" + VERAG_VARIABLES.RandomInteger(115, 120 + (zahlint - 5)).ToString + "!!%"
Else
pw = "&WAS5$WdA&" + VERAG_VARIABLES.RandomInteger(VERAG_VARIABLES.RandomInteger(120, 512), VERAG_VARIABLES.RandomInteger(300, 8423) + (zahlint - VERAG_VARIABLES.RandomInteger(5, 17))).ToString + "#*p(=+UY"
pw = "&WAS5$WdA&" + VERAG_VARIABLES.RandomInteger(VERAG_VARIABLES.RandomInteger(120, 512), VERAG_VARIABLES.RandomInteger(300, Math.Pow(2, 13) + (zahlint - VERAG_VARIABLES.RandomInteger(5, 17))).ToString + "#*p(=+UY")
End If
For zahl As Integer = 0 To zahlint
sw2.Start()

27
App_Code/VERAG_VARIABLES.vb
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@@ -4,14 +4,27 @@ Imports Konscious.Security.Cryptography
Imports System.Threading.Tasks
Imports System.Web.Script.Services
Imports System.Web.Services
Imports System.Management
Public Class VERAG_VARIABLES
Public Shared errornumb As Integer = 0
Public Shared Function GetCpuSpeed() As UInteger
Dim managementObject = New ManagementObject("Win32_Processor.DeviceID='CPU0'")
Dim speed As UInteger = CUInt(managementObject("CurrentClockSpeed"))
managementObject.Dispose()
Return speed
End Function
Public Shared Function GetMaxCpuSpeed() As UInteger
Dim managementObject = New ManagementObject("Win32_Processor.DeviceID='CPU0'")
Dim speed As UInteger = CUInt(managementObject("MaxClockSpeed"))
managementObject.Dispose()
Return speed
End Function
Shared Function getiterationnumber() As Integer
If HttpContext.Current.Request.ServerVariables("SERVER_NAME") = "localhost" Then
Return RandomInteger(Math.Pow(2, 8), Math.Pow(2, 16))
Return RandomInteger(Math.Pow(2, 2), (0.45 * GetCpuSpeed()))
Else
Return RandomInteger(Math.Pow(2, 5), Math.Pow(2, 7))
Return RandomInteger(Math.Pow(2, 3), (0.47 * GetMaxCpuSpeed()))
End If
End Function
@@ -44,14 +57,14 @@ Public Class VERAG_VARIABLES
Argon.Salt = salt
Argon.DegreeOfParallelism = 28
Argon.Iterations = nIterations * VERAG_VARIABLES.RandomInteger(2, 3)
Argon.MemorySize = (((nIterations * 15.98 - (nIterations * 10.23) / 14 * 2) / 4.058) + 1 * 190)
Argon.MemorySize = (((nIterations * 9.98 - (nIterations * 10.23) / 14 * 2) / 4.058) + 1 * 190)
Return Argon.GetBytes(nHash)
Else
Dim Argon As Argon2id = New Argon2id(Encoding.UTF8.GetBytes(VERAG_PROG_ALLGEMEIN.cCryptography3.Encrypt(password)))
Argon.Salt = salt
Argon.DegreeOfParallelism = 48
Argon.DegreeOfParallelism = 18
Argon.Iterations = nIterations * VERAG_VARIABLES.RandomInteger(2, 4)
Argon.MemorySize = (((nIterations * 17.98 - (nIterations * 10.23) / 1.85 * 2.28) / 10.28) + 1024 * 878) / 13.1
Argon.MemorySize = (((nIterations * 9.88 - (nIterations * 10.23) / 8.85 * 2.28) / 10.28) + 2 * 878) / 13.1
Return Argon.GetBytes(nHash)
End If
@@ -69,9 +82,9 @@ Public Class VERAG_VARIABLES
Else
Dim Argon As Argon2id = New Argon2id(Encoding.UTF8.GetBytes(VERAG_PROG_ALLGEMEIN.cCryptography3.Encrypt(password)))
Argon.Salt = salt
Argon.DegreeOfParallelism = 48
Argon.DegreeOfParallelism = 28
Argon.Iterations = nIterations * VERAG_VARIABLES.RandomInteger(2, 4)
Argon.MemorySize = (((nIterations * 17.98 - (nIterations * 10.23) / 1.85 * 2.28) / 10.28) + 1024 * 878) / 13.1
Argon.MemorySize = (((nIterations * 10.88 - (nIterations * 10.23) / 2.85 * 2.28) / 10.28) + 2 * 178) / 13.1
Return Await Argon.GetBytesAsync(nHash)
End If
End Function

4876
VERAG_Homepage/{11EF0CDA-BC19-40FB-91C4-25C81F3A27AC}/CodeAnalysisLog.xml
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File diff suppressed because it is too large Load Diff

2
login/ForgotPW.aspx.vb
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@@ -893,7 +893,7 @@ Partial Class ForgotPW
Dim tokentest As String = Await genToken(username, Passw, email, CustomerID, True, True, True, False, TheusrID)
Dim hashtoken As Byte()
Dim iterationnumb As Integer = VERAG_VARIABLES.getiterationnumber
Dim intzahl1 As Integer = VERAG_VARIABLES.RandomInteger(Math.Pow(2, 6), Math.Pow(2, 10))
Dim intzahl1 As Integer = VERAG_VARIABLES.RandomInteger(95, Math.Pow(2, 10))
'MsgBox(salttoken)
If Session.Item("TokenforEmail") = Nothing Then
tokentest = Await genToken(username, Passw, email, CustomerID, True, True, True, False, TheusrID)