1*b077aed3SPierre Pronchery=pod 2*b077aed3SPierre Pronchery 3*b077aed3SPierre Pronchery=head1 NAME 4*b077aed3SPierre Pronchery 5*b077aed3SPierre ProncheryCMS_data_create_ex, CMS_data_create 6*b077aed3SPierre Pronchery- Create CMS Data object 7*b077aed3SPierre Pronchery 8*b077aed3SPierre Pronchery=head1 SYNOPSIS 9*b077aed3SPierre Pronchery 10*b077aed3SPierre Pronchery #include <openssl/cms.h> 11*b077aed3SPierre Pronchery 12*b077aed3SPierre Pronchery CMS_ContentInfo *CMS_data_create_ex(BIO *in, unsigned int flags, 13*b077aed3SPierre Pronchery OSSL_LIB_CTX *libctx, const char *propq); 14*b077aed3SPierre Pronchery CMS_ContentInfo *CMS_data_create(BIO *in, unsigned int flags); 15*b077aed3SPierre Pronchery 16*b077aed3SPierre Pronchery=head1 DESCRIPTION 17*b077aed3SPierre Pronchery 18*b077aed3SPierre ProncheryCMS_data_create_ex() creates a B<CMS_ContentInfo> structure 19*b077aed3SPierre Proncherywith a type B<NID_pkcs7_data>. The data is supplied via the I<in> BIO. 20*b077aed3SPierre ProncheryThe library context I<libctx> and the property query I<propq> are used when 21*b077aed3SPierre Proncheryretrieving algorithms from providers. The I<flags> field supports the 22*b077aed3SPierre ProncheryB<CMS_STREAM> flag. Internally CMS_final() is called unless B<CMS_STREAM> is 23*b077aed3SPierre Proncheryspecified. 24*b077aed3SPierre Pronchery 25*b077aed3SPierre ProncheryThe B<CMS_ContentInfo> structure can be freed using L<CMS_ContentInfo_free(3)>. 26*b077aed3SPierre Pronchery 27*b077aed3SPierre ProncheryCMS_data_create() is similar to CMS_data_create_ex() 28*b077aed3SPierre Proncherybut uses default values of NULL for the library context I<libctx> and the 29*b077aed3SPierre Proncheryproperty query I<propq>. 30*b077aed3SPierre Pronchery 31*b077aed3SPierre Pronchery=head1 RETURN VALUES 32*b077aed3SPierre Pronchery 33*b077aed3SPierre ProncheryIf the allocation fails, CMS_data_create_ex() and CMS_data_create() 34*b077aed3SPierre Proncheryreturn NULL and set an error code that can be obtained by L<ERR_get_error(3)>. 35*b077aed3SPierre ProncheryOtherwise they return a pointer to the newly allocated structure. 36*b077aed3SPierre Pronchery 37*b077aed3SPierre Pronchery=head1 SEE ALSO 38*b077aed3SPierre Pronchery 39*b077aed3SPierre ProncheryL<ERR_get_error(3)>, L<CMS_final(3)> 40*b077aed3SPierre Pronchery 41*b077aed3SPierre Pronchery=head1 HISTORY 42*b077aed3SPierre Pronchery 43*b077aed3SPierre ProncheryThe CMS_data_create_ex() method was added in OpenSSL 3.0. 44*b077aed3SPierre Pronchery 45*b077aed3SPierre Pronchery=head1 COPYRIGHT 46*b077aed3SPierre Pronchery 47*b077aed3SPierre ProncheryCopyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. 48*b077aed3SPierre Pronchery 49*b077aed3SPierre ProncheryLicensed under the Apache License 2.0 (the "License"). You may not use 50*b077aed3SPierre Proncherythis file except in compliance with the License. You can obtain a copy 51*b077aed3SPierre Proncheryin the file LICENSE in the source distribution or at 52*b077aed3SPierre ProncheryL<https://www.openssl.org/source/license.html>. 53*b077aed3SPierre Pronchery 54*b077aed3SPierre Pronchery=cut 55