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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 |
|---|---|
|
Version 1. |
cbKeyData
The size, in bytes, of the key data.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Header | bcrypt.h |