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CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA structure

The CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA 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.

Syntax


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 of pointers of CMSG_SIGNER_ENCODE_INFO structures in a signed message's CMSG_SIGNED_ENCODE_INFO structure. The unauthenticated attribute is to be added to this signer's information.

BLOB

A CRYPT_DATA_BLOB structure that contains the encoded unauthenticated attribute as its pbData member.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Wincrypt.h

See also

CRYPT_INTEGER_BLOB
CryptMsgControl

 

 

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