This document describes the Libtasn1 library developed for ASN.1 (Abstract Syntax Notation One) structures management and DER (Distinguished Encoding Rules) encoding functions.

著名的开源动态库支持多种asn1解码 The main features of this library are: On line ASN1 structure management that doesn't require any C code file generation. Off line ASN1 structure management with C code file generation containing an array. DER (Distinguish Encoding Rules) encoding. No limits for INTEGER and ENUMERATED values. It's Free Software. Anybody can use, modify, and redistribute the library under the terms of the GNU Lesser General Public License version 2.1 or later. The command line tools, self-tests and build infrastructure are licensed under the GNU General Public License version 3.0 or later. It's thread-safe. No global variables are used and multiple library handles and session handles may be used in parallel. It's portable. It should work on all Unix like operating systems, including Windows. The library itself should be portable to any C89 system, not even POSIX is required.

rational rose 2003 下载