[#OSSL_ESS_signing_cert_v2_new_init]
= OSSL_ESS_signing_cert_v2_new_init
:mrdocs:

Build an ESS SigningCertificateV2 attribute using digest `hash_alg.`

== Synopsis

Declared in `<openssl/ess.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ESS_SIGNING_CERT_V2.adoc[ESS_SIGNING_CERT_V2]*
OSSL_ESS_signing_cert_v2_new_init(
    xref:EVP_MD.adoc[EVP_MD] const* hash_alg,
    xref:X509.adoc[X509] const* signcert,
    xref:stack_st_X509.adoc[stack_st_X509] const* certs,
    int set_issuer_serial);
----

== Return Value

New ESS_SIGNING_CERT_V2, or NULL on allocation failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hash_alg*
| Message digest used for CertIDv2 hashes.
| *signcert*
| Signing certificate whose CertIDv2 is placed first.
| *certs*
| Optional additional certificates to include as CertIDv2 entries, or NULL.
| *set_issuer_serial*
| Nonzero to include issuerSerial for `signcert` (always included for `certs).`
|===


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