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PHP Simple Encryption (php-simple-encryption)
A PHP library that makes encryption and decryption of text easy.
Simply add a dependency on
Here is a minimal example of a
To get a more detailed introduction to this library, visit the PHP Simple Encryption tutorial on my blog.
An exception may be thrown if:
- An invalid/unsupported cipher is attempted to be used (
The PHP Simple Encryption library currently defaults to
To determine what cipher you are using you can call the
To get a list of ciphers supported by your system and this library you can call
Total ciphers supported: 139 Default cipher: AES-256-CBC (version 1)
| AES | Aria/Blowfish | Camellia/Cast5/SM4 | DES/Idea/RC2/RC4/Seed | |-------------------------|---------------|--------------------|-----------------------| | aes-128-cbc | aria-128-cbc | camellia-128-cbc | des-cbc | | aes-128-cbc-hmac-sha1 | aria-128-ccm | camellia-128-cfb | des-cfb | | aes-128-cbc-hmac-sha256 | aria-128-cfb | camellia-128-cfb | des-cfb1 | | aes-128-ccm | aria-128-cfb1 | camellia-128-cfb | des-cfb8 | | aes-128-cfb | aria-128-cfb8 | camellia-128-ctr | des-ecb | | aes-128-cfb1 | aria-128-ctr | camellia-128-ecb | des-ede | | aes-128-cfb8 | aria-128-ecb | camellia-128-ofb | des-ede3 | | aes-128-ctr | aria-128-gcm | camellia-192-cbc | des-ede-cbc | | aes-128-ecb | aria-128-ofb | camellia-192-cfb | des-ede-cfb | | aes-128-gcm | aria-192-cbc | camellia-192-cfb | des-ede-ofb | | aes-128-ofb | aria-192-ccm | camellia-192-cfb | des-ede3-cbc | | aes-128-xts | aria-192-cfb | camellia-192-ctr | des-ede3-cfb | | aes-192-cbc | aria-192-cfb1 | camellia-192-ecb | des-ede3-cfb1 | | aes-192-ccm | aria-192-cfb8 | camellia-192-ofb | des-ede3-cfb8 | | aes-192-cfb | aria-192-ctr | camellia-256-cbc | des-ede3-ofb | | aes-192-cfb1 | aria-192-ecb | camellia-256-cfb | des-ofb | | aes-192-cfb8 | aria-192-gcm | camellia-256-cfb | desx-cbc | | aes-192-ctr | aria-192-ofb | camellia-256-cfb | id-aes128-ccm | | aes-192-ecb | aria-256-cbc | camellia-256-ctr | id-aes128-gcm | | aes-192-gcm | aria-256-ccm | camellia-256-ecb | id-aes192-ccm | | aes-192-ofb | aria-256-cfb | camellia-256-ofb | id-aes192-gcm | | aes-256-cbc | aria-256-cfb1 | cast5-cbc | id-aes256-ccm | | aes-256-cbc-hmac-sha1 | aria-256-cfb8 | cast5-cfb | id-aes256-gcm | | aes-256-cbc-hmac-sha256 | aria-256-ctr | cast5-ecb | idea-cbc | | aes-256-ccm | aria-256-ecb | cast5-ofb | idea-cfb | | aes-256-cfb | aria-256-gcm | chacha20 | idea-ecb | | aes-256-cfb1 | aria-256-ofb | chacha20-poly1305 | idea-ofb | | aes-256-cfb8 | bf-cbc | seed-cbc | rc2-40-cbc | | aes-256-ctr | bf-cfb | seed-cfb | rc2-64-cbc | | aes-256-ecb | bf-ecb | seed-ecb | rc2-cbc | | aes-256-gcm | bf-ofb | seed-ofb | rc2-cfb | | aes-256-ofb | sm4-cbc | | rc2-ecb | | aes-256-xts | sm4-cfb | | rc2-ofb | | | sm4-ctr | | rc4 | | | sm4-ecb | | rc4-40 | | | | | rc4-hmac-md5 |
If the text to be encrypted contains trailing null characters they will be removed when decrypting those values.
Some ciphers may not work on your version of PHP. The newer your version of PHP (and its openssl extension), the more ciphers that will be available to you.
If you require assistance using this library start by viewing the HELP.md file included in this package. It includes common problems and their solutions.
If you need additional assistance, I can be found at Stack Overflow. Be sure when you ask a question pertaining to the usage of this library be sure to tag your question with the PHP and encryption tags. Make sure you follow their guide for asking a good question as poorly asked questions will be closed, and I will not be able to assist you.
A good question will include all the following: - A description of the problem (what are you trying to do? what results are you expecting? what results are you actually getting?) - The code you are using (only post the relevant code) - Your unencrypted text - The key you are using - The IV you are using - The output of your method call(s) - Any error message(s) you are getting
Do not use Stack Overflow to report bugs. Bugs may be reported here.