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#289 Refactor bit field copy operations. (bp #331) #339

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Merged
adamjstone merged 1 commit into from
Jul 31, 2020
Merged

#289 Refactor bit field copy operations. (bp #331) #339

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8 changes: 4 additions & 4 deletions src/RapidField.SolidInstruments.Cryptography/CryptographicKey.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Security;
using System.Security.Cryptography;
using System.Text;
Expand Down Expand Up @@ -312,9 +311,10 @@ private Rfc2898DeriveBytes InitializePbkdf2Algorithm()

KeySource.Access(memory =>
{
var iterationSumBytes = memory.Take(Pbkdf2IterationSumLengthInBytes);
var saltBytes = memory.Skip(Pbkdf2IterationSumLengthInBytes).Take(Pbkdf2SaltLengthInBytes);
var passwordBytes = memory.Skip(Pbkdf2IterationSumLengthInBytes + Pbkdf2SaltLengthInBytes).Take(Pbkdf2PasswordLengthInBytes);
var memorySpan = memory.ReadOnlySpan;
var iterationSumBytes = memorySpan.Slice(0, Pbkdf2IterationSumLengthInBytes);
var saltBytes = memorySpan.Slice(Pbkdf2IterationSumLengthInBytes, Pbkdf2SaltLengthInBytes);
var passwordBytes = memorySpan.Slice(Pbkdf2IterationSumLengthInBytes + Pbkdf2SaltLengthInBytes, Pbkdf2PasswordLengthInBytes);
var iterationCount = Pbkdf2MinimumIterationCount;

foreach (var iterationSumValue in iterationSumBytes)
Expand Down