L<PKCS7_verify(3)|PKCS7_verify(3)>, L<PKCS7_encrypt(3)|PKCS7_encrypt(3)>
L<PKCS7_decrypt(3)|PKCS7_decrypt(3)>,
L<SMIME_write_PKCS7(3)|SMIME_write_PKCS7(3)>,
L<PKCS7_verify(3)|PKCS7_verify(3)>, L<PKCS7_encrypt(3)|PKCS7_encrypt(3)>
L<PKCS7_decrypt(3)|PKCS7_decrypt(3)>,
L<SMIME_write_PKCS7(3)|SMIME_write_PKCS7(3)>,