1=pod 2 3=head1 NAME 4 5PKCS7_get_octet_string - return octet string from a PKCS#7 envelopedData structure 6 7=head1 SYNOPSIS 8 9 #include <openssl/pkcs7.h> 10 11 ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7); 12 13=head1 DESCRIPTION 14 15PKCS7_get_octet_string() returns a pointer to an ASN1 octet string from a 16PKCS#7 envelopedData structure or B<NULL> if the structure cannot be parsed. 17 18=head1 NOTES 19 20As the B<0> implies, PKCS7_get_octet_string() returns internal pointers which 21should not be freed by the caller. 22 23=head1 RETURN VALUES 24 25PKCS7_get_octet_string() returns an ASN1_OCTET_STRING pointer. 26 27=head1 SEE ALSO 28 29L<PKCS7_type_is_data(3)> 30 31=head1 COPYRIGHT 32 33Copyright 2002-2020 The OpenSSL Project Authors. All Rights Reserved. 34 35Licensed under the Apache License 2.0 (the "License"). You may not use 36this file except in compliance with the License. You can obtain a copy 37in the file LICENSE in the source distribution or at 38L<https://www.openssl.org/source/license.html>. 39 40=cut 41