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NAMEPKCS7_get_signer_info —
retrieve signerInfos from a SignedData object
SYNOPSIS#include <openssl/pkcs7.h>
STACK_OF(PKCS7_SIGNER_INFO) *
DESCRIPTIONThis function retrieves the set of SignerInfo structures from the signerInfos field of p7.These can subsequently be manipulated with the functions documented in PKCS7_add_attribute(3). RETURN VALUESPKCS7_get_signer_info () returns an internal pointer to a
STACK_OF(PKCS7_SIGNER_INFO) object or
NULL on failure. It fails if p7
is NULL , if it has no content, or if it is of a type
other than SignedData or
SignedAndEnvelopedData.
SEE ALSOPKCS7_add_attribute(3), PKCS7_final(3), PKCS7_new(3), PKCS7_sign(3), PKCS7_sign_add_signer(3)HISTORYPKCS7_get_signer_info () first appeared in SSLeay 0.8.1
and has been available since OpenBSD 2.4.
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