Find the next signed attribute matching an OID in a CMS SignerInfo.

Synopsis

Declared in <openssl/cms.h>

int
CMS_signed_get_attr_by_OBJ(
    CMS_SignerInfo const* si,
    ASN1_OBJECT const* obj,
    int lastpos);

Return Value

Index of the matching attribute, or ‐1 if none is found (or on error).

Parameters

Name

Description

si

SignerInfo whose signedAttrs are searched.

obj

Attribute type OID to match.

lastpos

Index after which to continue searching (‐1 to start from the beginning).

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