.: Protocol Library

HS Crypto C Source Library  HS Crypto C Source Library 1.0
HS Crypto is a software library in C (supplied with full source code) which offers a programmer an API to several data encryption / decryption algorithms. Implemented methods include the use of 2 either pre-defined or dynamically generated translation tables, an XOR-based stream cipher method with random dynamic key, plus the library includes RFC1321 MD5 Message Digest Algorithm
md5, rfc1321, encryption, encryption module, encryption source code, protocol module, c source module, protocol library, c source library,

HS POP3 Library  HS POP3 Library 1.1
HS POP3 is a software library in C (supplied with full source code) which implements the client side of Post Office Protocol Version 3 (POP3) over TCP socket layer according to RFC 1939. Among other features, the library supports user authentication, reception of basic internet headers and text, message deletion and statistics. HS POP3 Library incorporates the necessary state machine, transparency procedures, server response processing etc.
pop3, rfc1939, tcp, email client, winsock, protocol module, c source module, protocol library, c source library,

HS FTP Client C Source Library  HS FTP Client C Source Library 1.0
HS FTP is a software library in C (supplied with full source code) which implements the client side of the File Transfer Protocol over TCP socket layer according to RFC 959. The library allows a user application to connect to remote FTP servers, traverse server directory structure and send and receive files. The HS FTP protocol module supports passive mode data connections, user / password authentication and a number of commonly used FTP commands
ftp, rfc959, tcp, ftp client, winsock, protocol module, c source module, protocol library, c source library, file transfer protocol,

HS SMTP Lite  HS SMTP Lite 1.2
HS SMTP LITE is a software library in C (supplied with full source code) which implements the client side of Simple Mail Transfer Protocol (SMTP) over TCP socket layer according to RFC 821. Supports transfer of text and file attachments. HS SMTP Library incorporates the necessary state machine, transparency procedures, and server response processing required to comply to a simple and robust SMTP client implementation.
smtp, rfc821, email, mime, base64 tcp, winsock, protocol module, c source module, protocol library, c source library,