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Diffstat (limited to 'secure/lib/libcrypto/man/man3/CMS_get0_type.3')
| -rw-r--r-- | secure/lib/libcrypto/man/man3/CMS_get0_type.3 | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/man3/CMS_get0_type.3 b/secure/lib/libcrypto/man/man3/CMS_get0_type.3 new file mode 100644 index 000000000000..1d5a063bac5b --- /dev/null +++ b/secure/lib/libcrypto/man/man3/CMS_get0_type.3 @@ -0,0 +1,217 @@ +.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.39) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +CMS_get0_type, CMS_set1_eContentType, CMS_get0_eContentType, CMS_get0_content \- get and set CMS content types and content +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/cms.h> +\& +\& const ASN1_OBJECT *CMS_get0_type(const CMS_ContentInfo *cms); +\& int CMS_set1_eContentType(CMS_ContentInfo *cms, const ASN1_OBJECT *oid); +\& const ASN1_OBJECT *CMS_get0_eContentType(CMS_ContentInfo *cms); +\& ASN1_OCTET_STRING **CMS_get0_content(CMS_ContentInfo *cms); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fBCMS_get0_type()\fR returns the content type of a CMS_ContentInfo structure as +an \s-1ASN1_OBJECT\s0 pointer. An application can then decide how to process the +CMS_ContentInfo structure based on this value. +.PP +\&\fBCMS_set1_eContentType()\fR sets the embedded content type of a CMS_ContentInfo +structure. It should be called with \s-1CMS\s0 functions (such as CMS_sign, CMS_encrypt) +with the \fB\s-1CMS_PARTIAL\s0\fR +flag and \fBbefore\fR the structure is finalised, otherwise the results are +undefined. +.PP +\&\s-1ASN1_OBJECT\s0 *\fBCMS_get0_eContentType()\fR returns a pointer to the embedded +content type. +.PP +\&\fBCMS_get0_content()\fR returns a pointer to the \fB\s-1ASN1_OCTET_STRING\s0\fR pointer +containing the embedded content. +.SH "NOTES" +.IX Header "NOTES" +As the \fB0\fR implies \fBCMS_get0_type()\fR, \fBCMS_get0_eContentType()\fR and +\&\fBCMS_get0_content()\fR return internal pointers which should \fBnot\fR be freed up. +\&\fBCMS_set1_eContentType()\fR copies the supplied \s-1OID\s0 and it \fBshould\fR be freed up +after use. +.PP +The \fB\s-1ASN1_OBJECT\s0\fR values returned can be converted to an integer \fB\s-1NID\s0\fR value +using \fBOBJ_obj2nid()\fR. For the currently supported content types the following +values are returned: +.PP +.Vb 6 +\& NID_pkcs7_data +\& NID_pkcs7_signed +\& NID_pkcs7_digest +\& NID_id_smime_ct_compressedData: +\& NID_pkcs7_encrypted +\& NID_pkcs7_enveloped +.Ve +.PP +The return value of \fBCMS_get0_content()\fR is a pointer to the \fB\s-1ASN1_OCTET_STRING\s0\fR +content pointer. That means that for example: +.PP +.Vb 1 +\& ASN1_OCTET_STRING **pconf = CMS_get0_content(cms); +.Ve +.PP +\&\fB*pconf\fR could be \s-1NULL\s0 if there is no embedded content. Applications can +access, modify or create the embedded content in a \fBCMS_ContentInfo\fR structure +using this function. Applications usually will not need to modify the +embedded content as it is normally set by higher level functions. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fBCMS_get0_type()\fR and \fBCMS_get0_eContentType()\fR return an \s-1ASN1_OBJECT\s0 structure. +.PP +\&\fBCMS_set1_eContentType()\fR returns 1 for success or 0 if an error occurred. The +error can be obtained from \fBERR_get_error\fR\|(3). +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fBERR_get_error\fR\|(3) +.SH "COPYRIGHT" +.IX Header "COPYRIGHT" +Copyright 2008\-2019 The OpenSSL Project Authors. All Rights Reserved. +.PP +Licensed under the OpenSSL license (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>. |