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Informations about the package phpasn1
PHPASN1
Notice: This library is no longer actively maintained!
If you are currently using PHPASN1, this might not be an immediate problem for you, since this library was always rather stable.
However, you are advised to migrate to alternative packages to ensure that your applications remain functional also with newer PHP versions.
Another option is to fork this repository or use one of the existing forks.
⚠ If you are using another fork, please make sure you trust the author and validate the code you are relying upon!
A PHP Framework that allows you to encode and decode arbitrary ASN.1 structures using the ITU-T X.690 Encoding Rules. This encoding is very frequently used in X.509 PKI environments or the communication between heterogeneous computer systems.
The API allows you to encode ASN.1 structures to create binary data such as certificate signing requests (CSR), X.509 certificates or certificate revocation lists (CRL). PHPASN1 can also read BER encoded binary data into separate PHP objects that can be manipulated by the user and reencoded afterwards.
The changelog can now be found at CHANGELOG.md.
Dependencies
PHPASN1 requires at least PHP 7.0 and either the gmp or bcmath extension.
Support for older PHP versions (i.e. PHP 5.6) was dropped starting with v2.0.
If you must use an outdated PHP version consider using PHPASN v1.5.
For the loading of object identifier names directly from the web curl is used.
Installation
The preferred way to install this library is to rely on Composer:
Usage
Encoding ASN.1 Structures
PHPASN1 offers you a class for each of the implemented ASN.1 universal types. The constructors should be pretty self explanatory so you should have no big trouble getting started. All data will be encoded using DER encoding
Decoding binary data
Decoding BER encoded binary data is just as easy as encoding it:
If you already know exactly how your expected data should look like you can use the FG\ASN1\TemplateParser:
You can use this function to make sure your data has exactly the format you are expecting.
Navigating decoded data
All constructed classes (i.e. Sequence and Set) can be navigated by array access or using an iterator.
You can find examples
here,
here and
here.
Give me more examples!
To see some example usage of the API classes or some generated output check out the examples.
How do I contribute?
This project is no longer maintained and thus does not accept any new contributions.
Thanks
To all contributors so far!
License
This library is distributed under the MIT License.
