Chilkat v11.6.0 / v11.6.1 Release Notes
See Release Notes for Versions 11.6.0 and 11.6.1
Chilkat v11.5.0 Release Notes
✨ New Features HttpCurl A new Chilkat class has been added: HttpCurl The Chilkat.HttpCurl class executes curl commands and can automatically resolve dependent values needed by a request. Variables such as {{access_token}}, {{site_id}}, or {{drive_id}} may appear in URLs, headers, query parameters, or request bodies. If a variable is not yet known, HttpCurl builds […]
Chilkat v11.4.0 Release Notes
✨ New Features Js A new Chilkat class has been added: Js is a minimal, standards-compliant JavaScript engine designed to embed JavaScript inside applications with very small footprint and fast startup. It executes JavaScript code inside an application without requiring a browser or large runtime. See About the Chilkat.Js JavaScript Engine Ai Provider — […]
Calling a REST GET API and Parsing JSON/XML Response
This blog post describes a general procedure for writing code that calls an HTTP/HTTPS GET REST API and parses the JSON or XML response. Step 1: Form the CURL Command A GET request in the form of a CURL command will look like this: curl -X GET https://test-api.service.hmrc.gov.uk/organisations/vat/123456789/obligations \ -H “Accept: application/vnd.hmrc.1.0+json” \ -H “Authorization: […]
Bd Methods Prevent Copying Huge Amounts of Data
Question: One use is for unzip a resource embed into an assembly (.dll). The resource is approximately 224MB in size. The program sometimes throws an out-of-memory exception. The exception is thrown by Chilkat.Zip.OpenFromMemory and OpenFromByteData methods. How can this problem be solved? Answer: First, this is truly an out-of-memory condition. The two possible […]
Stripe Webhooks?
Question from User: Is there some sample code for Stripe Webhooks in classic ASP? I looked around, and didnt see anything. Specifically, validating the signatures https://stripe.com/docs/webhooks/signatures Answer: A Webhook is an HTTP POST that will get sent to your server when a particular event occurs. You would write an ASP page to receive the […]
Etsi, XAdES-BES, XAdES-EPES, FacturaE, Electronic Invoicing, etc.
Chilkat v9.5.0.75 will include features to make it easy to generate XAdES-BES and XAdES-EPES signatures for electronic invoicing and tax reporting for many countries. The goal is to provide an easy and inexpensive solution for these complicated requirements. Chilkat has been working with customers in Spain, Italy, Hungary, India, Brazil, Costa Rica, and elsewhere to […]
How to Encrypt with no Padding (encrypted output size equals input size)
Block encryption algorithms, such as AES, will produce output that is a multiple of the algorithm’s block size. For AES, the output is a multiple of 16 bytes. However, this is for the typically used cipher modes “CBC” (Cipher Block Chaining) and “ECB” (Electronic Cookbook). There are other cipher modes that turn a block algorithm […]
Chilkat v9.5.0.74 Release Notes
The Chilkat v9.5.0.73 release notes are available here: Chilkat v9.5.0.73 Release Notes The Chilkat v9.5.0.74 release was only for the Node.js and Electron builds. It was required to support the release of the latest versions of Electron and Node.js The .74 release will be skipped for all other programming languages.
HMAC Hex Key Ambiguity
This happens all the time.. Quite often, a service provider will provide instructions for HMAC generation, and will provide a hexadecimal HMAC key in the example, such as: 01A0251D601FEF3305A38B124068A001CF3F099AA187DB2886314C67CDFDEBCD This is implicitly ambiguous because there are two ways to interpret the instructions: 1) The HMAC key is composed of the ascii bytes ‘0’, ‘1’, ‘A’, […]
POP3 Error: No X-UIDL header found
The Chilkat MailMan class can fetch emails from a POP3 server in two ways: by sequence number, or by UIDL. When an email is fetched by UIDL, or fetched in a way such that a full mapping of UIDL’s to sequence numbers was retrieved, Chilkat will add an “X-UIDL” header to the Email object that […]
SSH/SFTP Error: Must first connect to the SSH server
The following error is explained in this post: ChilkatLog: DownloadFileByName: DllDate: Apr 25 2018 ChilkatVersion: 9.5.0.73 UnlockPrefix: * Architecture: Little Endian; 64-bit Language: Cocoa Objective-C VerboseLogging: 0 SftpVersion: 3 Component successfully unlocked using purchased unlock code. Must first connect to the SSH server. –DownloadFileByName –ChilkatLog The above error can happen after a long period of […]
Chilkat v9.5.0.73 Release Notes
The v9.5.0.72 release notes are available here: Chilkat v9.5.0.72 Release Notes v9.5.0.73 Release Notes: Email The SetHtmlBody method, in certain circumstances, would incorrectly set the top-level MIME header to text/html for multipart messages. This was fixed. HTTP Non us-ascii chars in the URL path are now always URL encoded using the utf-8 encoding. OAuth2 Added […]