¿Para qué sirve la dll schannel.dll?

Proveedor de seguridad TLS/SSL

Dependencias de la dll schannel.dll


Microsoft (R) COFF/PE Dumper Version 14.16.27034.0
Copyright (C) Microsoft Corporation.  All rights reserved.


Dump of file C:\Windows\System32\schannel.dll

File Type: DLL

  Image has the following dependencies:

    api-ms-win-crt-runtime-l1-1-0.dll
    api-ms-win-crt-private-l1-1-0.dll
    api-ms-win-crt-string-l1-1-0.dll
    api-ms-win-core-heap-l2-1-0.dll
    api-ms-win-core-errorhandling-l1-1-0.dll
    api-ms-win-security-base-l1-1-0.dll
    api-ms-win-core-registry-l1-1-0.dll
    api-ms-win-core-libraryloader-l1-2-0.dll
    api-ms-win-core-localization-l1-2-0.dll
    api-ms-win-core-memory-l1-1-0.dll
    api-ms-win-core-handle-l1-1-0.dll
    api-ms-win-core-wow64-l1-1-1.dll
    api-ms-win-core-synch-l1-1-0.dll
    api-ms-win-core-synch-l1-2-0.dll
    api-ms-win-core-rtlsupport-l1-1-0.dll
    api-ms-win-core-debug-l1-1-0.dll
    api-ms-win-core-processthreads-l1-1-0.dll
    api-ms-win-core-processthreads-l1-1-1.dll
    api-ms-win-core-profile-l1-1-0.dll
    api-ms-win-core-sysinfo-l1-1-0.dll
    api-ms-win-core-interlocked-l1-1-0.dll
    api-ms-win-eventing-classicprovider-l1-1-0.dll
    api-ms-win-eventing-provider-l1-1-0.dll
    api-ms-win-core-psapi-l1-1-0.dll
    api-ms-win-core-processenvironment-l1-1-0.dll
    api-ms-win-core-file-l1-1-0.dll
    api-ms-win-core-string-l1-1-0.dll
    api-ms-win-core-threadpool-private-l1-1-0.dll
    api-ms-win-core-threadpool-legacy-l1-1-0.dll
    api-ms-win-core-string-obsolete-l1-1-0.dll
    ntdll.dll
    api-ms-win-crt-time-l1-1-0.dll
    api-ms-win-core-version-l1-1-0.dll
    api-ms-win-core-file-l2-1-0.dll
    api-ms-win-core-heap-l1-1-0.dll
    api-ms-win-core-threadpool-l1-2-0.dll
    api-ms-win-core-delayload-l1-1-1.dll
    api-ms-win-core-delayload-l1-1-0.dll
    api-ms-win-core-apiquery-l1-1-0.dll

  Image has the following delay load dependencies:

    ncrypt.dll
    CRYPT32.dll
    api-ms-win-security-credentials-l1-1-0.dll
    SspiCli.dll
    bcrypt.dll
    api-ms-win-security-sddl-l1-1-0.dll
    USERENV.dll
    SAMSRV.dll
    CRYPTSP.dll
    ext-ms-win-ntdsa-activedirectoryserver-l1-1-0.dll
    LSASRV.dll
    RPCRT4.dll
    api-ms-win-eventing-controller-l1-1-0.dll

  Summary

        3000 .data
        1000 .didat
        5000 .pdata
       14000 .rdata
        1000 .reloc
        2000 .rsrc
       70000 .text

Funciones que tiene la dll schannel.dll


2    0          AcceptSecurityContext (forwarded to SSPICLI.AcceptSecurityContext)
3    1          AcquireCredentialsHandleA (forwarded to SSPICLI.AcquireCredentialsHandleA)
4    2          AcquireCredentialsHandleW (forwarded to SSPICLI.AcquireCredentialsHandleW)
5    3          ApplyControlToken (forwarded to SSPICLI.ApplyControlToken)
6    4          CompleteAuthToken (forwarded to SSPICLI.CompleteAuthToken)
7    5          DeleteSecurityContext (forwarded to SSPICLI.DeleteSecurityContext)
8    6          EnumerateSecurityPackagesA (forwarded to SSPICLI.EnumerateSecurityPackagesA)
9    7          EnumerateSecurityPackagesW (forwarded to SSPICLI.EnumerateSecurityPackagesW)
10    8          FreeContextBuffer (forwarded to SSPICLI.FreeContextBuffer)
11    9          FreeCredentialsHandle (forwarded to SSPICLI.FreeCredentialsHandle)
12    A          ImpersonateSecurityContext (forwarded to SSPICLI.ImpersonateSecurityContext)
13    B          InitSecurityInterfaceA (forwarded to SSPICLI.InitSecurityInterfaceA)
14    C          InitSecurityInterfaceW (forwarded to SSPICLI.InitSecurityInterfaceW)
15    D          InitializeSecurityContextA (forwarded to SSPICLI.InitializeSecurityContextA)
16    E          InitializeSecurityContextW (forwarded to SSPICLI.InitializeSecurityContextW)
17    F          MakeSignature (forwarded to SSPICLI.MakeSignature)
18   10          QueryContextAttributesA (forwarded to SSPICLI.QueryContextAttributesA)
19   11          QueryContextAttributesW (forwarded to SSPICLI.QueryContextAttributesW)
20   12          QuerySecurityPackageInfoA (forwarded to SSPICLI.QuerySecurityPackageInfoA)
21   13          QuerySecurityPackageInfoW (forwarded to SSPICLI.QuerySecurityPackageInfoW)
22   14          RevertSecurityContext (forwarded to SSPICLI.RevertSecurityContext)
23   15          SealMessage (forwarded to SSPICLI.SealMessage)
1   16 00025E00 SpLsaModeInitialize
24   17 00013570 SpUserModeInitialize
25   18 0003EE00 SslCrackCertificate
26   19 00044980 SslEmptyCacheA
27   1A 00044A20 SslEmptyCacheW
28   1B 0003F0E0 SslFreeCertificate
29   1C 0003DE10 SslFreeCustomBuffer
30   1D 0003F110 SslGenerateRandomBits
31   1E 00046250 SslGetExtensions
32   1F 0003F120 SslGetMaximumKeySize
33   20 00046740 SslGetServerIdentity
34   21 00017420 SslLoadCertificate
35   22          UnsealMessage (forwarded to SSPICLI.UnsealMessage)
36   23          VerifySignature (forwarded to SSPICLI.VerifySignature)

Información avanzada sobre funciones que tiene la dll schannel.dll


Microsoft (R) COFF/PE Dumper Version 14.16.27034.0
Copyright (C) Microsoft Corporation.  All rights reserved.


Dump of file C:\Windows\System32\schannel.dll

File Type: DLL

  Section contains the following exports for SCHANNEL.dll

    00000000 characteristics
    D0FA4BD0 time date stamp
        0.00 version
           1 ordinal base
          36 number of functions
          36 number of names

    ordinal hint RVA      name

          2    0          AcceptSecurityContext (forwarded to SSPICLI.AcceptSecurityContext)
          3    1          AcquireCredentialsHandleA (forwarded to SSPICLI.AcquireCredentialsHandleA)
          4    2          AcquireCredentialsHandleW (forwarded to SSPICLI.AcquireCredentialsHandleW)
          5    3          ApplyControlToken (forwarded to SSPICLI.ApplyControlToken)
          6    4          CompleteAuthToken (forwarded to SSPICLI.CompleteAuthToken)
          7    5          DeleteSecurityContext (forwarded to SSPICLI.DeleteSecurityContext)
          8    6          EnumerateSecurityPackagesA (forwarded to SSPICLI.EnumerateSecurityPackagesA)
          9    7          EnumerateSecurityPackagesW (forwarded to SSPICLI.EnumerateSecurityPackagesW)
         10    8          FreeContextBuffer (forwarded to SSPICLI.FreeContextBuffer)
         11    9          FreeCredentialsHandle (forwarded to SSPICLI.FreeCredentialsHandle)
         12    A          ImpersonateSecurityContext (forwarded to SSPICLI.ImpersonateSecurityContext)
         13    B          InitSecurityInterfaceA (forwarded to SSPICLI.InitSecurityInterfaceA)
         14    C          InitSecurityInterfaceW (forwarded to SSPICLI.InitSecurityInterfaceW)
         15    D          InitializeSecurityContextA (forwarded to SSPICLI.InitializeSecurityContextA)
         16    E          InitializeSecurityContextW (forwarded to SSPICLI.InitializeSecurityContextW)
         17    F          MakeSignature (forwarded to SSPICLI.MakeSignature)
         18   10          QueryContextAttributesA (forwarded to SSPICLI.QueryContextAttributesA)
         19   11          QueryContextAttributesW (forwarded to SSPICLI.QueryContextAttributesW)
         20   12          QuerySecurityPackageInfoA (forwarded to SSPICLI.QuerySecurityPackageInfoA)
         21   13          QuerySecurityPackageInfoW (forwarded to SSPICLI.QuerySecurityPackageInfoW)
         22   14          RevertSecurityContext (forwarded to SSPICLI.RevertSecurityContext)
         23   15          SealMessage (forwarded to SSPICLI.SealMessage)
          1   16 00025E00 SpLsaModeInitialize
         24   17 00013570 SpUserModeInitialize
         25   18 0003EE00 SslCrackCertificate
         26   19 00044980 SslEmptyCacheA
         27   1A 00044A20 SslEmptyCacheW
         28   1B 0003F0E0 SslFreeCertificate
         29   1C 0003DE10 SslFreeCustomBuffer
         30   1D 0003F110 SslGenerateRandomBits
         31   1E 00046250 SslGetExtensions
         32   1F 0003F120 SslGetMaximumKeySize
         33   20 00046740 SslGetServerIdentity
         34   21 00017420 SslLoadCertificate
         35   22          UnsealMessage (forwarded to SSPICLI.UnsealMessage)
         36   23          VerifySignature (forwarded to SSPICLI.VerifySignature)

  Summary

        3000 .data
        1000 .didat
        5000 .pdata
       14000 .rdata
        1000 .reloc
        2000 .rsrc
       70000 .text

Integridad de la dll schannel.dll



Algorithm       Hash                                                                   Path                                         
---------       ----                                                                   ----                                         
SHA256          9FD94BCE5A57D289902C433C93687D98A52F67469DB34E45F4ACE44BD4651B17       C:\Windows\System32\schannel.dll             


Detalles sobre el fichero dll schannel.dll




PSPath            : Microsoft.PowerShell.Core\FileSystem::C:\Windows\System32\schannel.dll
PSParentPath      : Microsoft.PowerShell.Core\FileSystem::C:\Windows\System32
PSChildName       : schannel.dll
PSDrive           : C
PSProvider        : Microsoft.PowerShell.Core\FileSystem
PSIsContainer     : False
Mode              : -a----
VersionInfo       : File:             C:\Windows\System32\schannel.dll
                    InternalName:     schannel.dll
                    OriginalFilename: schannel.dll.mui
                    FileVersion:      10.0.19041.561 (WinBuild.160101.0800)
                    FileDescription:  Proveedor de seguridad TLS/SSL
                    Product:          Sistema operativo Microsoft® Windows®
                    ProductVersion:   10.0.19041.561
                    Debug:            False
                    Patched:          False
                    PreRelease:       False
                    PrivateBuild:     False
                    SpecialBuild:     False
                    Language:         Español (España, internacional)
                    
BaseName          : schannel
Target            : {C:\Windows\WinSxS\amd64_microsoft-windows-security-schannel_31bf3856ad364e35_10.0.19041.546_none_000f920eb41221
                    38\schannel.dll}
LinkType          : HardLink
Name              : schannel.dll
Length            : 566784
DirectoryName     : C:\Windows\System32
Directory         : C:\Windows\System32
IsReadOnly        : False
Exists            : True
FullName          : C:\Windows\System32\schannel.dll
Extension         : .dll
CreationTime      : 21/11/2020 8:44:15
CreationTimeUtc   : 21/11/2020 7:44:15
LastAccessTime    : 03/12/2020 14:51:44
LastAccessTimeUtc : 03/12/2020 13:51:44
LastWriteTime     : 21/11/2020 8:44:15
LastWriteTimeUtc  : 21/11/2020 7:44:15
Attributes        : Archive



Procesos que utilizan la dll schannel.dll


Cortana
KinectService
Microsoft.Photos
SearchApp
SpeechRuntime
Video.UI
YourPhone