PKCS7_add_signature

Create a signer info from x509 / pkey / dgst and add it to signed PKCS#7 p7.

Synopsis

Declared in <openssl/pkcs7.h>

PKCS7_SIGNER_INFO*
PKCS7_add_signature(
    PKCS7* p7,
    X509* x509,
    EVP_PKEY* pkey,
    EVP_MD const* dgst);

Return Value

The new PKCS7_SIGNER_INFO on success, or NULL on failure.

Parameters

NameDescription
p7PKCS#7 SignedData (or signed-and-enveloped) object to update.
x509Signer certificate identifying the signing key.
pkeyPrivate key corresponding to x509.
dgstMessage digest algorithm used for signing.