X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=doc%2Ffeatures.rst;h=fd7bb7d71df35a275abdf52c5e8d904fa6fd62dd;hb=7d46c409b2bbdc2d0cfbce447e39a51af50932ee;hp=b17e9a8038118ace3e3e456424e29bcc6de2d0ac;hpb=7f2e5ef9aef122fb5bdfcb377f0644c7784398a2;p=pyderasn.git diff --git a/doc/features.rst b/doc/features.rst index b17e9a8..fd7bb7d 100644 --- a/doc/features.rst +++ b/doc/features.rst @@ -10,7 +10,7 @@ Features * Size :ref:`constraints ` checking * Working with sequences as high level data objects with ability to (un)marshall them -* Python 2.7/3.5/3.6 compatibility +* Python 3.5+ compatibility (2.7 dropped in version 9.0) * Aimed to be complaint with `X.690-201508 `__ * Streaming decoding and encoding capabilities, allowing working with very small memory footprint @@ -22,7 +22,6 @@ practice it should be relatively easy to convert ``pyasn1``'s code to Also there is `asn1crypto `__. * Small, simple and trying to be reviewable code. Just a single file - with `six `__ dependency * Ability to know :ref:`exact decoded ` objects offsets and lengths inside the binary * Automatic decoding of :ref:`DEFINED BY ` fields @@ -38,9 +37,9 @@ Also there is `asn1crypto `__. structures allow BER encoding for the whole message, except for ``SignedAttributes`` -- you can easily verify your CMS satisfies that requirement -* Ability to use mmap-ed files, memoryviews, iterators and CER encoder - dealing with the writer, giving ability to create huge ASN.1 encoded - files without storing all the data in the memory first +* Ability to use mmap-ed files, memoryviews, iterators, 2-pass DER + encoding mode and CER encoder dealing with the writer, giving ability + to create huge ASN.1 encoded files with very little memory footprint * Ability to decode files in event generation mode, without the need to keep all the data and decoded structures (that takes huge quantity of memory in all known ASN.1 libraries) in the memory @@ -71,3 +70,9 @@ Also there is `asn1crypto `__. An example of pretty printed X.509 certificate with automatically parsed DEFINED BY fields. +* :ref:`ASN.1 browser ` + + .. figure:: browser.png + :alt: ASN.1 browser example + + An example of browser running.