Android_verify/third_party/android-libs/share/man/man3/CMS_data_create.3ossl

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.\" ========================================================================
.\"
.IX Title "CMS_DATA_CREATE 3ossl"
.TH CMS_DATA_CREATE 3ossl "2024-09-03" "3.3.2" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
CMS_data_create_ex, CMS_data_create
\&\- Create CMS Data object
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/cms.h>
\&
\& CMS_ContentInfo *CMS_data_create_ex(BIO *in, unsigned int flags,
\&                                     OSSL_LIB_CTX *libctx, const char *propq);
\& CMS_ContentInfo *CMS_data_create(BIO *in, unsigned int flags);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBCMS_data_create_ex()\fR creates a \fBCMS_ContentInfo\fR structure
with a type \fBNID_pkcs7_data\fR. The data is supplied via the \fIin\fR \s-1BIO.\s0
The library context \fIlibctx\fR and the property query \fIpropq\fR are used when
retrieving algorithms from providers. The \fIflags\fR field supports the
\&\fB\s-1CMS_STREAM\s0\fR flag. Internally \fBCMS_final()\fR is called unless \fB\s-1CMS_STREAM\s0\fR is
specified.
.PP
The \fBCMS_ContentInfo\fR structure can be freed using \fBCMS_ContentInfo_free\fR\|(3).
.PP
\&\fBCMS_data_create()\fR is similar to \fBCMS_data_create_ex()\fR
but uses default values of \s-1NULL\s0 for the library context \fIlibctx\fR and the
property query \fIpropq\fR.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
If the allocation fails, \fBCMS_data_create_ex()\fR and \fBCMS_data_create()\fR
return \s-1NULL\s0 and set an error code that can be obtained by \fBERR_get_error\fR\|(3).
Otherwise they return a pointer to the newly allocated structure.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBERR_get_error\fR\|(3), \fBCMS_final\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
The \fBCMS_data_create_ex()\fR method was added in OpenSSL 3.0.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2020\-2021 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the \*(L"License\*(R").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.