What is the "keyiso.dll" ?

Our database contains 196 different files for filename keyiso.dll . You can also check most distributed file variants with name keyiso.dll. This files most often belongs to product Microsoft® Windows® Operating System. and were most often developed by company Microsoft Corporation. This files most often have description CNG Key Isolation Service. Agregate rating is 5(5) stars - based on 10 reviews.This file is Dynamic-link Library. This library can be loaded and executed in any running process.

This dynamic linking library serves as a resource of functions and methods for the CNG Key Isolation Service - this service is a genuine part of MS Windows Key Storage and Retrieval functionalities :

"CNG currently supports the storage of asymmetric private keys by using the Microsoft software KSP that is included with Windows Server 2008 and Windows Vista and installed by default. CNG stores the public portion of the stored key separately from the private portion. The public portion of a key pair is also maintained in the key isolation service and is accessed by using local remote procedure call (LRPC). The key storage router uses LRPC when calling into the key isolation process. All access to private keys goes through the private key router and is audited by CNG."

The list of functions included in this library is as follows :

NCryptCreatePersistedKey, NCryptDecrypt, NCryptDeleteKey, NCryptDeriveKey, NCryptEncrypt, NCryptEnumAlgorithms, NCryptEnumKeys, NCryptEnumStorageProviders, NCryptExportKey, NCryptFinalizeKey, NCryptFreeBuffer, NCryptFreeObject, NCryptGetProperty, NCryptImportKey, NCryptIsAlgSupported, NCryptIsKeyHandle, NCryptNotifyChangeKey, NCryptOpenKey, NCryptOpenStorageProvider, NCryptSecretAgreement, NCryptSetProperty, NCryptSignHash, NCryptTranslateHandle, NCryptVerifySignature

For more info for this functionality check the "Key Storage and Retrieval" pages on http://msdn.microsoft.com/en-us/library/windows/desktop/bb204778(v=vs.85).aspx and List of included functions with description on http://msdn.microsoft.com/en-us/library/windows/desktop/aa376208(v=vs.85).aspx

keyiso.dll Library

File details of most used file with name "keyiso.dll"

Product:
Microsoft® Windows® Operating System
Company:
Microsoft Corporation
Description:
CNG Key Isolation Service
Version:
6.1.7600.16385
MD5:
f9ec845c5eecf20e9a67f9f805f2ef1f
SHA1:
ac84fdf72c774f42dfcbd91eafdff54f48d6cd89
SHA256:
c3dba8cf93dbf50954b1bf6d7ef3f6f5dd1a56dc62b7eb2749c54d9b65d9bb43
Size:
29184
Directory:
C:\Windows\System32
Operating System:
Windows 7
Occurence:
High oc2

Is the library "keyiso.dll" Safe or Threat ?

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100% of reviewed files are marked as Safe .
Latest new variant of the file with name "keyiso.dll" was discovered 4206 days ago. Our database contains 18 variants of the file "keyiso.dll" with final rating Safe and zero variants with final rating Threat . Final ratings are based on file reviews, discovered date, users occurence and antivirus scan results.

User Reviews of the "keyiso.dll"

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Reviews for all files with name "keyiso.dll"

  • SAFErating from user MikeOne for file C:\Windows\System32\keyiso.dll (Variant: 20160691)

    This dynamic linking library serves as a resource of functions and methods for the CNG Key Isolation Service - this service is a genuine part of MS Windows Key Storage and Retrieval functionalities :
    "CNG currently supports the storage of asymmetric private keys by using the Microsoft software KSP that is included with Windows Server 2008 and Windows Vista and installed by default. CNG stores the public portion of the stored key separately from the private portion. The public portion of a key pair is also maintained in the key isolation service and is accessed by using local remote procedure call (LRPC). The key storage router uses LRPC when calling into the key isolation process. All access to private keys goes through the private key router and is audited by CNG."
    For more info for this functionality check the "Key Storage and Retrieval" pages on http://msdn.microsoft.com/en-us/library/windows/desktop/bb204778(v=vs.85).aspx and List of included functions with description on http://msdn.microsoft.com/en-us/library/windows/desktop/aa376208(v=vs.85).aspx