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NCryptAlgorithmName structure

The NCryptAlgorithmName structure is used to contain information about a CNG algorithm.

Syntax


typedef struct _NCryptAlgorithmName {
  LPWSTR pszName;
  DWORD  dwClass;
  DWORD  dwAlgOperations;
  DWORD  dwFlags;
} NCryptAlgorithmName;

Members

pszName

A pointer to a null-terminated Unicode string that contains the name of the algorithm. This can be one of the standard CNG Algorithm Identifiers or the identifier for another registered algorithm.

dwClass

A DWORD value that defines which algorithm class this algorithm belongs to. This can be one of the following values.

ValueMeaning
NCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE
0x00000003

The algorithm belongs to the asymmetric encryption class of algorithms.

NCRYPT_SECRET_AGREEMENT_INTERFACE
0x00000004

The algorithm belongs to the secret agreement (Diffie-Hellman) class of algorithms.

NCRYPT_SIGNATURE_INTERFACE
0x00000005

The algorithm belongs to the signature class of algorithms.

 

dwAlgOperations

A DWORD value that defines which operational classes this algorithm belongs to. This can be a combination of one or more of the following values.

ValueMeaning
NCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION
0x00000004

The algorithm is an asymmetric encryption algorithm.

NCRYPT_SECRET_AGREEMENT_OPERATION
0x00000008

The algorithm is a secret agreement (Diffie-Hellman) algorithm.

NCRYPT_SIGNATURE_OPERATION
0x00000010

The algorithm is a digital signature algorithm.

 

dwFlags

A set of flags that provide more information about the algorithm.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Ncrypt.h

See also

NCryptEnumAlgorithms

 

 

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