Create a CMS SignedData structure with the default library context.
Declared in <openssl/cms.h>
CMS_ContentInfo*
CMS_sign(
X509* signcert,
EVP_PKEY* pkey,
stack_st_X509* certs,
BIO* data,
unsigned int flags);New SignedData ContentInfo, or NULL on error.
| Name | Description |
|---|---|
| signcert | Signer certificate corresponding to pkey, or NULL for certificates-only. |
| pkey | Signer private key, or NULL when only embedding certificates. |
| certs | Optional intermediate certificates to include, or NULL. |
| data | Content BIO to sign. |
| flags | CMS signing flags (for example CMS_DETACHED, CMS_BINARY). |