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CMSG_RECIPIENT_ENCODE_INFO structure (wincrypt.h)

The CMSG_RECIPIENT_ENCODE_INFO structure contains information a message recipient's content encryption key management type.

Note  Only key transport recipients are supported in PKCS #7 version 1.5.

Syntax

typedef struct _CMSG_RECIPIENT_ENCODE_INFO {
 DWORD dwRecipientChoice;
 union {
 PCMSG_KEY_TRANS_RECIPIENT_ENCODE_INFO pKeyTrans;
 PCMSG_KEY_AGREE_RECIPIENT_ENCODE_INFO pKeyAgree;
 PCMSG_MAIL_LIST_RECIPIENT_ENCODE_INFO pMailList;
 } DUMMYUNIONNAME;
} CMSG_RECIPIENT_ENCODE_INFO, *PCMSG_RECIPIENT_ENCODE_INFO;

Members

dwRecipientChoice

Indicates the union member to be used. The following values are defined.

Value Meaning
CMSG_KEY_TRANS_RECIPIENT
 Use with key transport key management
CMSG_KEY_AGREE_RECIPIENT
 Used with key agreement key management
CMSG_MAIL_LIST_RECIPIENT
 Use with previously distributed key encryption key management

DUMMYUNIONNAME

DUMMYUNIONNAME.pKeyTrans

A pointer to a CMSG_KEY_TRANS_RECIPIENT_ENCODE_INFO structure. Used with CMSG_KEY_TRANS_RECIPIENT

DUMMYUNIONNAME.pKeyAgree

A pointer to a CMSG_KEY_AGREE_RECIPIENT_ENCODE_INFO structure. Used with CMSG_KEY_AGREE_RECIPIENT

DUMMYUNIONNAME.pMailList

A pointer to a CMSG_MAIL_LIST_RECIPIENT_ENCODE_INFO structure. Used with CMSG_MAIL_LIST_RECIPIENT

Requirements

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header wincrypt.h

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