XML Security Library

LibXML2
LibXSLT
OpenSSL

bignum

bignum — Big numbers helper functions.

Description

Big numbers helper functions.

Functions

xmlSecNssNodeGetBigNumValue ()

SECItem *
xmlSecNssNodeGetBigNumValue (PRArenaPool *arena,
                             const xmlNodePtr cur,
                             SECItem *a);

Converts the node content from CryptoBinary format (http://www.w3.org/TR/xmldsig-core/sec-CryptoBinary) to a SECItem. If no SECItem object provided then a new one is created (caller is responsible for freeing it).

Parameters

arena

the arena from which to allocate memory

cur

the poitner to an XML node.

a

a SECItem object to hold the BigNum value

Returns

a pointer to SECItem produced from CryptoBinary string or NULL if an error occurs.


xmlSecNssNodeSetBigNumValue ()

int
xmlSecNssNodeSetBigNumValue (xmlNodePtr cur,
                             const SECItem *a,
                             int addLineBreaks);

Converts SECItem to CryptoBinary string (http://www.w3.org/TR/xmldsig-core/sec-CryptoBinary) and sets it as the content of the given node. If the addLineBreaks is set then line breaks are added before and after the CryptoBinary string.

Parameters

cur

the pointer to an XML node.

a

a SECItem containing the BigNum value.

addLineBreaks

if the flag is equal to 1 then linebreaks will be added before and after new buffer content.

Returns

0 on success or -1 otherwise.

Types and Values