Chilkat Examples

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C# UWP/WinRT Examples


ASN.1
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Azure Cloud Storage
Azure Service Bus
Bounced Email
Box
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
Facebook
Firebase
GeoOp
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Sheets
Gzip
HTML-to-XML/Text
HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)

Jira
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
PayPal
Peoplevox
QuickBooks
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Shopify
Socket/SSL/TLS
Spider
Stream
Stripe
SugarCRM
Tar Archive
Twitter
VoiceBase
Walmart
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Xero
Zip
curl
eBay

 

 

 

(C# UWP/WinRT) Base64url Encoding

Base64url encoding is identical to base64 encoding except it uses non-reserved URL characters (e.g. '–' is used instead of '+', and '_' is used instead of '/') and it omits the padding characters. Chilkat adds support for "base64url" in version 9.5.0.56. (To be released Q1 2016.) The list of binary encodings supported by Chilkat are documented at Chilkat Binary Encodings For any supported encoding, such as base64, hex, url, quoted-printable, modbase64, base64url, etc., the encoding name may be used in any "EncodingMode" property or in any method argument that specifies a binary encoding. (Please note that a "binary encoding" is different than a "character encoding". Character encodings supported by Chilkat are listed at Chilkat Character Encodings.) This example demonstrates using base64url encoding by setting the RSA object's EncodingMode property equal to "base64url".

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

bool success;

//  Create an instance of a certificate store object, load a PFX file,
//  locate the certificate we need, and use it for signing.
//  (a PFX file may contain more than one certificate.)
Chilkat.CertStore certStore = new Chilkat.CertStore();

//  The 1st argument is the filename, the 2nd arg is the
//  PFX file's password:
success = certStore.LoadPfxFile("chilkat.pfx","test");
if (success != true) {
    Debug.WriteLine(certStore.LastErrorText);
    return;
}

Chilkat.Cert cert = null;
cert = certStore.FindCertBySubject("Chilkat Software, Inc.");
if (cert == null ) {
    Debug.WriteLine(certStore.LastErrorText);
    return;
}

Chilkat.PrivateKey pkey = null;
pkey = cert.ExportPrivateKey();
if (pkey == null ) {
    Debug.WriteLine(cert.LastErrorText);
    return;
}

string pkeyXml;
//  Get the private key in XML format:
pkeyXml = pkey.GetXml();

Chilkat.Rsa rsa = new Chilkat.Rsa();

//  Any string argument automatically begins the 30-day trial.
bool success = rsa.UnlockComponent("30-day trial");
if (success != true) {
    Debug.WriteLine(rsa.LastErrorText);

    return;
}

//  Import the private key into the RSA component:
success = rsa.ImportPrivateKey(pkeyXml);
if (success != true) {
    Debug.WriteLine(rsa.LastErrorText);

    return;
}

//  This example will sign a string, and receive the signature
//  in a base64url encoded string.  Therefore, set the encoding mode
//  to "base64url":
rsa.EncodingMode = "base64url";

rsa.LittleEndian = false;

string strData = "This is the string to be signed.";
string strSig = rsa.SignStringENC(strData,"sha256");

Debug.WriteLine(strSig);

 

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