Chilkat ActiveX Component v9.5.0.58 x86 & x64

C#, VB.NET, ASP.NET, ASP, VB6, FoxPro, VBScript, Delphi, SQL Server, C/C++, Objective-C, Swift, Xojo, Node.js, C++ Builder, Powershell, Perl, PHP, Ruby, Java, Python, Lianja, PureBasic, all languages supporting ActiveX (such as PowerBuilder, DataFlex, etc.).

Products

• POP3 / SMTP
• Zip, GZip, Bz2, .Z Compression
• Data Compression
• TAR Archive
• FTP2
• IMAP
• Encryption
• RSA Encryption and Signatures
• DSA (DSS) Signatures
• Diffie-Hellman (DH) Key Exchange
• HTTP
• Socket / SSL
• SSH / SFTP
• MIME + S/MIME
• MHT
• HTML-to-XML Conversion
• Charset Encoding Conversion
• Email Bounce Processing
• XMP

POP3 / SMTP Email Component Features

• SMTP client for sending email.
• POP3 client for reading email.
• Works with Exchange Server (all versions)
• Works with all POP3 / SMTP servers
• Supports POP3 and SMTP SSL/TLS connections.
• SMTP STARTTLS
• Supports POP3 and SMTP SSH tunneling (port forwarding).
• Send S/MIME signed and/or encrypted email.
• Read S/MIME signed and/or encrypted email.
• Export and import email to XML.
• Export and import email to .eml (MIME) text files.
• Zip / unzip attachments in-memory.
• Check for email on servers.
• Verify POP3 / SMTP connections and login credentials.
• Secure SMTP authentication methods suppoted.
• Add attachments from files or in-memory data.
• Set connection and read timeouts.
• Set size limits when reading email.
• Delete email on the POP3 server.
• Copy email from a POP3 server without deleting.
• Fetch email headers.
• Events for send/receive progress monitoring.
• Get UIDLs of email on a server.
• Send email using Chilkat SMTPQ for background sending.
• Download email and sort based on date, sender, recipient, or subject.
• Set a bounce email address for handling bounces.
• Automatically handles international charset encodings.
• Can use file-based distribution lists.
• Send HTML email with embedded images.
• Send multipart/alternative emails with both HTML and plain-text bodies.
• Access attached message/rfc822 sub-parts.
• Acess attachment data in-memory.
• Set replacement patterns for mail-merge.
• Set return receipt.
• Set priority via the X-Priority header field.
• Add custom header fields.
• Add recipients as To, CC, or BCC.
• Save attachments to disk.
• Get attachment information: filename, size, etc.
• Return text file attachment data as an in-memory string.
• Get digital certificate information for signed/encrypted email.
• Enumerate over the header fields in an email.
• Find and unobfuscate the linked domain names in an email.
• Unobfuscate HTML email.
• MX Domain Lookup
• Explicit control over SMTP and POP3 sessions.
• SOCKS4, SOCKS5 proxy support for both POP3 and SMTP.
• HTTP proxy support for POP3 and SMTP
• Thread safe.

Zip Component Features

• ZIP64 format extensions supported. No limitations on size for files within a .zip, or the total size of a .zip.
• No limitations on the number of files that may be contained within a single .zip (this is a ZIP64 feature).
• Can read/write Zips with WinZip-compatible AES strong encryption.
• Supports Unicode filename zip file format extensions.
• Events for zip/unzip progress monitoring.
• Zip an entire directory tree.
• Append entries to a Zip from in-memory data.
• Create or open in-memory Zips.
• Create self-extracting executables.
• Create password-protected Zip files.
• Unzip only files that match a filename pattern.
• Option to discard path information when zipping.
• Option to append a path prefix when zipping.
• Option to create self-extracting EXEs with or without interfaces.
• Ability to customize icon and interface when creating an EXE.
• Ability to specify an auto-run file when creating an EXE.
• Ability to specify a pre-defined unzip directory for an EXE.
• Handles Unicode filenames.
• Provides in-memory access to compressed or uncompressed data.
• Easy FirstEntry/NextEntry methods for iterating over a Zip.
• Can embed Zips in your own EXEs.
• OpenMyEmbedded opens the Zip that has been embedded in the caller's EXE.
• Set exclusion patterns when zipping.
• Option to specify a target directory and discard path information when unzipping.
• Can unzip only files that are newer.
• Read/write comments within a Zip.
• Ability to inflate directly to in-memory byte array or string.
• Includes a Bz2 object/class to create or decompress the .bz2 file format.
• Includes a GZip object/class to create or decompress the .gz file format.
• Includes a Unix compress object/class to create or decompress the .Z file format using LZW compression.
• Thread safe.

Compression (PPMD, Deflate, Bzip2, LZW) Component Features

• PPMD Compression - Best algorithm for compressing text.
• Bzip2 Compression
• Deflate Compression - The algorithm most commonly used for .zip
• LZW Compression
• Compress and decompress in streaming mode w/ Begin, More, and End methods.
• Work directly with hex or base64 encoded string representations of compressed data.
• Simple CompressFile method for file compression.
• Thread safe.

TAR Archive Component Features

• Create/Extract TAR archives.
• Supports GNU tar 1.13.x format.
• Supports PAX -- POSIX 1003.1-2001 format.
• Supports USTAR -- POSIX 1003.1-1988 format.
• Create/Extract Compressed Archives: .tar.gz (.tgz), .tar.bz2, and .tar.Z
• Extract directly into memory.
• Untar files matching a pattern.
• Get TAR contents directory in XML format.
• Thread safe.

FTP2 Component Features

• FTP files directly from your application in synchronous or asynchronous mode.
• Support for FTPS - FTP over TLS 1.2, 1.1, 1.0, and SSL 3.0
• Supports both Explicit and Implicit SSL/TLS
• All popular FTP servers and proxies are supported.
• Resume (restart) FTP uploads and downloads
• Supports international filenames in all major languages
• Upload and download to or from in-memory strings or byte arrays.
• Automatic directory listing parser for FTP servers on Unix, Windows, Netware, AS/400, VAX/VMS, IBM Mainframes, and other legacy formats.
• Events for upload/download progress monitoring.
• Session logging
• XCRC verification of uploads and downloads
• Synchronize local directory tree with remote directory tree in either direction
• All operations are abortable
• Heartbeat event callbacks with abort cabability
• Real-time upload/download data transfer rate properties
• Real-time #bytes received/sent properties for async transfers
• Percentage completion events for uploads and downloads
• Secure FTP (FTPES) using AUTH TLS or AUTH SSL
• Implicit Secure FTP SSL on Port 990 (or whichever port is used by the FTP server for SSL/TLS)
• Clear the Control Channel (CCC) after FTPS Authentication
• Supports FTPS behind Network Address Translating (NAT) Routers such as DSL/Cable Modems
• Delete an entire remote directory tree in a single line of code
• Upload an entire directory tree in a single line of code
• Download an entire remote directory tree in a single line of code
• Copy remote files to your local filesystem.
• Copy files from your local filesystem to the FTP server.
• Download text and binary files and access directly in memory.
• Upload to FTP site directly from memory.
• Create remote directory.
• Rename remote files and directories.
• Delete remote files and directories.
• Get remote directory listing as XML.
• Support for asynchronous uploads and downloads.
• Active and passive transfer modes.
• Binary and ASCII transfers.
• FTP proxy servers are supported.
• Server specific commands supported (SITE command) - such as setting access permissions on Unix FTP servers.
• Stream support - streaming download to local files, streaming upload from local files.
• Large file support - upload or download files larger than 4 GB.
• Auto-determine proxy settings
• Auto-determine valid connection settings
• Specify port range for PORT mode data transfers (i.e. Active mode).
• Supports QUOTE and SYST
• Allows for client SSL certificate to be used for SSL connections.
• Rename files or directories on the FTP server
• Provides access to FTP SSL server certificate for verification.
• Thread safe.
• Royalty-free licensing
• License covers all programming languages: .NET, ActiveX, C++, Ruby, Perl, Python, Java, etc.

IMAP Component Features

• Supports S/MIME signed and encrypted email.
• Supports TLS/SSL IMAP (Both implicit and explicit via STARTTLS).
• Works with Exchange Server (all versions)
• Works with all IMAP servers
• Supports SSH tunneling (port forwarding).
• Full set of mailbox management features for adding, deleting, and renaming mailboxes.
• Easy to manage mail item flags for "seen", "draft", "answered", and "flagged".
• Preview mail by retrieving message summaries.
• Full mailbox sort and search capability.
• Easy access to all message parts and recipients.
• Easy access to attachments.
• Programs can work using either UIDs or sequence numbers.
• Single license includes all languages/platforms: .NET, IMAP ActiveX, Perl, Python, Ruby, Java, C++, x64, etc.
• Supports non-English folder names (i.e. UTF-7 mailbox names).
• SOCKS4, SOCKS5 proxy support.
• HTTP proxy support
• Supports multi-threaded applications.
• Event callbacks for progress monitoring and abort cabability.
• Stress-tested in ASP web farms with large numbers of simultaneous sessions.
• Thread safe.
• License provides for royalty-free redistribution of components with your application.
• Reliable and expertly engineered.
• Designed to hide the complexities of the IMAP protocol.

Encryption Component Features

• Symmetric Encryption: AES, ChaCha20, Blowfish, Twofish, RC2, ARC4, DES, 3DES, PBES1, PBES2.
• Hash Algorithms: SHA-1, SHA256, SHA384, SHA512, MD2, MD4, MD5, HAVAL.
• Hash Algorithms: RIPEMD128, RIPEMD160, RIPEMD256, RIPEMD320.
• Encoding: Base64, hex, quoted-printable, URL-encoding, modBase64, base32, base58, uu, url_oauth, url_rfc1738, url_rfc2396, url_rfc3986, fingerprint, decimal.
• HMAC with any supported hash algorithm: HMAC-MD5, HMAC-SHA1, etc.
• Poly1305 Message Authentication Code
• Password-based Key Derivation Functions: PBKDF1, PBKDF2
• PKCS7 -- P7S and P7M creation, decryption, verification.
• Public key encryption/decryption with digital certificates.
• Digital signature creation/verification with digital certificates.
• Bzip2 in-memory compression.
• Encrypt / decrypt strings or byte data.
• Return encrypted data as Base64, quoted-printable, or hex-encoded strings.
• Hash strings or binary data using SHA1, MD2, MD5, HAVAL, SHA384, or SHA512.
• Public-key encryption with digital certificates.
• Create and verify digital signatures.
• Pre-convert Unicode strings to ANSI (single-byte/char) before encrypting.
• Pre-convert Unicode strings to any charset before encrypting, compressing, or hashing.
• Base64 encode strings or byte data.
• Hex-encode encode strings or byte data.
• Compress strings or byte data with the BZIP2 compression algorithm.
• Implements FIPS81 padding scheme for AES.
• Up to 256-bit encryption is supported.
• Set binary secret-key directly for symmetric encryption algorithms.
• Initialization vectors.
• CBC Cipher Block Chaining Mode
• ECB Electronic Cookbook Mode
• OFB Output Feedback Mode
• CFB Cipher Feedback Mode
• GCM Galois/Counter Mode (AEAD)
• CTR Counter Mode
• Punycode Encoding/Decoding
• Generate UUIDs
• Random byte data generation.
• Streaming hashing (pass data to hashing functions in chunks).
• Streaming encryption (pass data to encryption functions in chunks).
• Thread safe.

DSA Features

• Create and verify DSA signatures.
• Generate DSA keys.
• Generate DSA keys based on parameters created by OpenSSL.
• Set public key explicitly from P, Q, G, and Y values.
• Set private key explicitly from P, Q, G, and X values.
• Provides access to P, Q, G, X, and Y as hex-encoded SSH1-format bignums.
• Import public/private DSA keys from DER.
• Import public/private DSA keys from PEM.
• Import encrypted private DSA keys from PEM.
• Import public/private DSA keys from XML.
• Export public/private DSA keys to DER.
• Export public/private DSA keys to PEM.
• Export encrypted private DSA keys to PEM.
• Export public/private DSA keys to XML.

Diffie-Hellman Features

• Simple 2-step Method for Computing a Shared Secret
• Safe prime generation. Generate new P and G values.
• Ability to use Known Primes from RFC 2409 and RFC 3526 (Oakley and MODP groups)

RSA Component Features

• Public/private key generation.
• Encrypt with either public or private key.
• Decrypt with matching public or private key.
• Create digital signatures.
• Verify digital signatures.
• Encrypt and decrypt in-memory strings or byte arrays of any size.
• Encode encrypted output to Base64, Hex, Quoted-Printable, or URL-encoding
• Export public/private key pairs to XML.
• Import key pair from .snk file.
• Import public/private key pairs from XML.
• Import/Export only public-part or private-part of key pair.
• PKCS v1.5 padding for encryption and signatures.
• OAEP Padding Scheme for Encryption/Decryption
• RSASSA-PSS (RSA Signature Scheme with Appendix - Probabilistic Signature Scheme)
• Create/verify signatures with little-endian or big-endian byte ordering.
• Supports key sizes ranging from 512 bits to 4096 bits.
• Supports hash algorithms: MD5, SHA-1, SHA-2 (SHA-256, SHA-384, SHA-512), and more...
• Thread safe.

DSA Component Features

Note: The Digital Signature Algorithm (DSA) is synonomous with the Digital Signature Standard (DSS)

• Create and verify DSA signatures.
• Generate DSA keys.
• Generate DSA keys based on parameters created by OpenSSL.
• Set public key explicitly from P, Q, G, and Y values.
• Set private key explicitly from P, Q, G, and X values.
• Provides access to P, Q, G, X, and Y as hex-encoded SSH1-format bignums.
• Import public/private DSA keys from DER.
• Import public/private DSA keys from PEM.
• Import encrypted private DSA keys from PEM.
• Import public/private DSA keys from XML.
• Export public/private DSA keys to DER.
• Export public/private DSA keys to PEM.
• Export encrypted private DSA keys to PEM.
• Export public/private DSA keys to XML.

MIME Component Features

• Create an manipulate MIME and S/MIME messages.
• Navigate the MIME message tree structure via the NumParts property and GetPart(index) method.
• Retrieve header field names and values.
• Add header fields to a MIME message.
• Add a detached (clear-text) digital signature to a MIME message.
• Convert MIME to an opaque signed message.
• S/MIME encrypt using a digital certificate.
• Decrypt and validate signatures in one method call.
• Attach files to a MIME message. Chilkat Mime automatically determines content-type based on file extension.
• Test to see if a message contains signed or encrypted parts.
• Get the body content automatically decoded (if encoded as Base64 or quoted-printable).
• Get the body content as a string. (already decoded from Base64 or QP)
• Get the non-decoded body content.
• Convert MIME to XML.
• Test for attachment, audio, encrypted, html, image, multipart, multipart/alternative, multipart/mixed, multipart/related, plain-text, signed, text, video, XML.
• Load MIME from file.
• Create multipart/alternative, multipart/mixed, multipart/related messages.
• Remove message sub-parts.
• Set message body from binary data.
• Set message body from in-memory string containing plain-text, HTML, XML, or anything else.
• Thread safe.