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This structure is used to add an unauthenticated attribute to a signer of a signed message. This structure is passed to CryptMsgControl if the dwCtrlType parameter is set to CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR.
typedef struct _CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA { DWORD cbSize; DWORD dwSignerIndex; CRYPT_DATA_BLOB BLOB;} CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA, *PCMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA;
Members
- cbSize
Size of this structure in bytes. - dwSignerIndex
Index of the signer in the rgSigners array indicated in the CMSG_SIGNER_ENCODE_INFO structure that represents the signed message. The unauthenticated attribute is to be added to the signer's information. - BLOB
CRYPT_DATA_BLOB structure that contains the encoded unauthenticated attribute as its pbData member.
Requirements
OS Versions: Windows CE .NET 4.0 and later.
Header: Wincrypt.h.
See Also
Cryptography Structures | CRYPTOAPI_BLOB | CryptMsgControl
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