The default SignedInfoDigestMethod is sha256, which is a good choice. In this example, we use Exclusive XML Canonicalization and SHA1 throughout. We're leaving the following properties at their default values: // // - SigNamespacePrefix (default is "ds") // - SignedInfoCanonAlg (default is EXCL_C14N) // - KeyInfoType (default is "KeyValue", where the DSA public key is included in the Signature) // Note: Each Reference has it's own specified algorithms for XML canonicalization and hashing, // and the actual signature part (the SignedInfo) has it's own hash/canonicalization algorithm. Provide the DSA key to be used for signing: For this example we'll choose SHA1 and Exclusive XML Canonicalization. // For each same-document reference, we must also indicate the hash algorithm and XML canonicalization // algorithm to be used. In this case, we specify "abc" because Body has an Id="abc". We'll add a reference to the XML fragment // at Body, which is indicated by providing the value of the "ID" attribute (where "ID" is case // insensitive). This example will add a single same-document reference.
These can be references to the parts // of the XML document to be signed (a same document reference), or can be external references. SigLocation = "Envelope|Header|Security" // An XML digital signature contains one or more references. To specify the location, set the SigLocation property to the XML path to this element, // using vertical bar characters to separate tags. In this example, we're going to put the signature within the Security element. Li_rc = loo_XmlSigGen.ConnectToNewObject( " Chilkat_9_5_0.XmlDSigGen") // For example, the application must provide the following: // - Where to put the signature. embed the signature within // the XML), first specify what is desired, then call the method to // create the XML signature. Return end if // To create the XML digital signature (i.e. LoadEncryptedPemFile( "qa_data/dsa/dsa1024_secret.pem", "secret") Li_rc = loo_DsaKey.ConnectToNewObject( " Chilkat_9_5_0.PrivateKey")
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In case you would like to use it, I put the DSA private key PEM file here: // // The password is "secret". This example // will load it from an encrypted PEM file. There are many ways of getting an DSA private key using Chilkat. Return end if // This example uses a DSA private key for signing. Li_rc = loo_Http.ConnectToNewObject( " Chilkat_9_5_0.Http") The XML to be signed in this example contains the following: // // // // // // // // // // // The above XML is available at // Fetch the XML and then sign it. See Global Unlock Sample for sample code. This example requires the Chilkat API to have been previously unlocked. This example requires Chilkat v9.5.0.69 or greater.
LIANJA APP BUILDER WITH EXTERNAL SQL HOW TO
(PowerBuilder) Create XML Digital Signature using a DSA Keyĭemonstrates how to create an XML digital signature using a DSA key.
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