BCRYPT_KEY_DATA_BLOB_HEADER structure

The BCRYPT_KEY_DATA_BLOB_HEADER structure is used to contain information about a key data BLOB. The key data BLOB must immediately follow this structure in memory.

Syntax

typedef struct _BCRYPT_KEY_DATA_BLOB_HEADER {
  ULONG dwMagic;
  ULONG dwVersion;
  ULONG cbKeyData;
} BCRYPT_KEY_DATA_BLOB_HEADER, *PBCRYPT_KEY_DATA_BLOB_HEADER;

Members

dwMagic

The magic value for the key.

This member must be the following value.

BCRYPT_KEY_DATA_BLOB_MAGIC (0x4d42444b)

dwVersion

Contains the numeric version of the key.

Value	Meaning
BCRYPT_KEY_DATA_BLOB_VERSION1 1	Version 1.

 

cbKeyData

The size, in bytes, of the key data.

Requirements

See also

BCryptExportKey

BCryptImportKey