Append a copy of an X509_ATTRIBUTE to a CMS SignerInfo's signed attributes.
Declared in <openssl/cms.h>
int
CMS_signed_add1_attr(
CMS_SignerInfo* si,
X509_ATTRIBUTE* attr);
1 on success, or 0 on failure.
| Name | Description |
|---|---|
| si | SignerInfo whose signedAttrs set is extended. |
| attr | Attribute to duplicate and append. |