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NF:wincrypt.CertCreateCTLContext |
CertCreateCTLContext function (wincrypt.h) |
The CertCreateCTLContext function creates a certificate trust list (CTL) context from an encoded CTL. The created context is not persisted to a certificate store. The function makes a copy of the encoded CTL within the created context. |
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security\certcreatectlcontext.htm |
security |
172c59ee-9e06-4169-aaa7-2624e3fcf015 |
12/05/2018 |
CertCreateCTLContext, CertCreateCTLContext function [Security], _crypto2_certcreatectlcontext, security.certcreatectlcontext, wincrypt/CertCreateCTLContext |
wincrypt.h |
Windows |
Windows XP [desktop apps \| UWP apps] |
Windows Server 2003 [desktop apps \| UWP apps] |
Crypt32.lib |
Crypt32.dll |
Windows |
19H1 |
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The CertCreateCTLContext function creates a certificate trust list (CTL) context from an encoded CTL. The created context is not persisted to a certificate store. The function makes a copy of the encoded CTL within the created context.
Specifies the type of encoding used. Both the certificate and message encoding types must be specified by combining them with a bitwise-OR operation as shown in the following example:
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING Currently defined encoding types are:
- X509_ASN_ENCODING
- PKCS_7_ASN_ENCODING
A pointer to a buffer containing the encoded CTL from which the context is to be created.
The size, in bytes, of the pbCtlEncoded buffer.
If the function succeeds, the return value is a pointer to a read-only CTL_CONTEXT.
If the function fails and is unable to decode and create the CTL_CONTEXT, the return value is NULL. For extended error information, call GetLastError. The following table shows a possible error code.
| Return code | Description |
|---|---|
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Invalid certificate encoding type. Only PKCS_7_ASN_ENCODING and X509_ASN_ENCODING are supported. |
If the function fails, GetLastError may return an Abstract Syntax Notation One (ASN.1) encoding/decoding error. For information about these errors, see ASN.1 Encoding/Decoding Return Values.
The CTL_CONTEXT must be freed by calling CertFreeCTLContext. CertDuplicateCTLContext can be called to make a duplicate. CertSetCTLContextProperty and CertGetCTLContextProperty can be called to store and read properties for the CTL.