NCRYPT_KEY_BLOB_HEADER structure (ncrypt.h)
The NCRYPT_KEY_BLOB_HEADER structure contains a key BLOB. This structure is used by the NCryptExportKey and NCryptImportKey functions.
Syntax
typedef struct _NCRYPT_KEY_BLOB_HEADER {
ULONG cbSize;
ULONG dwMagic;
ULONG cbAlgName;
ULONG cbKeyData;
} NCRYPT_KEY_BLOB_HEADER, *PNCRYPT_KEY_BLOB_HEADER;
Members
cbSize
The size, in bytes, of this structure.
dwMagic
Identifies the BLOB type. This can be one of the following values.
- NCRYPT_CIPHER_KEY_BLOB_MAGIC
- NCRYPT_PROTECTED_KEY_BLOB_MAGIC
cbAlgName
Size, in bytes, of the null-terminated algorithm name, including the terminating zero.
cbKeyData
Size, in bytes, of the BLOB.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 [desktop apps only] |
| Minimum supported server | Windows Server 2012 [desktop apps only] |
| Header | ncrypt.h |