diff options
Diffstat (limited to 'doc/crypto/CMS_get0_type.pod')
| -rw-r--r-- | doc/crypto/CMS_get0_type.pod | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/doc/crypto/CMS_get0_type.pod b/doc/crypto/CMS_get0_type.pod index 8ff1c3115c..3ed92bdbbe 100644 --- a/doc/crypto/CMS_get0_type.pod +++ b/doc/crypto/CMS_get0_type.pod @@ -2,7 +2,7 @@ =head1 NAME - CMS_get0_type, CMS_set1_eContentType, CMS_get0_eContentType - get and set CMS content types + CMS_get0_type, CMS_set1_eContentType, CMS_get0_eContentType, CMS_get0_content - get and set CMS content types and content =head1 SYNOPSIS @@ -11,6 +11,7 @@ const ASN1_OBJECT *CMS_get0_type(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); =head1 DESCRIPTION @@ -26,11 +27,15 @@ undefined. ASN1_OBJECT *CMS_get0_eContentType() returns a pointer to the embedded content type. +CMS_get0_content() returns a pointer to the B<ASN1_OCTET_STRING> pointer +containing the embedded content. + =head1 NOTES -As the B<0> implies CMS_get0_type() and CMS_get0_eContentType() return internal -pointers which should B<not> be freed up. CMS_set1_eContentType() copies the -supplied OID and it B<should> be freed up after use. +As the B<0> implies CMS_get0_type(), CMS_get0_eContentType() and +CMS_get0_content() return internal pointers which should B<not> be freed up. +CMS_set1_eContentType() copies the supplied OID and it B<should> be freed up +after use. The B<ASN1_OBJECT> values returned can be converted to an integer B<NID> value using OBJ_obj2nid(). For the currently supported content types the following @@ -43,6 +48,15 @@ values are returned: NID_pkcs7_encrypted NID_pkcs7_enveloped +The return value of CMS_get0_content() is a pointer to the B<ASN1_OCTET_STRING> +content pointer. That means that for example: + + ASN1_OCTET_STRING **pconf = CMS_get0_content(cms); + +B<*pconf> could be NULL if there is no embedded content. Applications can +access, modify or create the embedded content in a B<CMS_ContentInfo> structure +using this function. Applications usually will not need to modify the +embedded content as it is normally set by higher level functions. =head1 RETURN VALUES |