Append an unsigned attribute identified by NID to a CMS SignerInfo.

Synopsis

Declared in <openssl/cms.h>

int
CMS_unsigned_add1_attr_by_NID(
    CMS_SignerInfo* si,
    int nid,
    int type,
    void const* bytes,
    int len);

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

si

SignerInfo whose unsignedAttrs set is extended.

nid

Attribute type NID (for example NID_pkcs9_signingTime).

type

ASN.1 string type for bytes (for example V_ASN1_OCTET_STRING).

bytes

Attribute value bytes, or NULL when len is 0.

len

Length of bytes in octets.

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