PHP AES Encryption Library for SIV, CMAC, PMAC, EAX, OMAC-2, VMAC: Encrypt data using AES SIV and other ciphers

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aes-siv 1.0.0The PHP License5PHP 5, Cryptography
Description Author

This class can encrypt data using AES SIV and other ciphers.

It can take a string of data and encrypt using several types of supported ciphers.

The class can also decrypt previously encrypted data using the same ciphers.

Currently it supports ciphers like SIV, CMAC, PMAC, EAX, OMAC-2 and VMAC.

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Details

AES-SIV

Included AES-CMAC &amp; AES_PMAC, OMAC2 & EAX

  • Copyright I-2019 denobisipsis

AES SIV, CMAC & PMAC, AES EAX, OMAC-2, VMAC

Non Misuse Resistant cipher AES_CMAC https://tools.ietf.org/html/rfc4493

AES_PMAC http://web.cs.ucdavis.edu/~rogaway/ocb/pmac-bak.htm

AES-SIV https://tools.ietf.org/html/rfc5297

AES_EAX http://web.cs.ucdavis.edu/~rogaway/papers/eax.pdf

OMAC-2 http://www.nuee.nagoya-u.ac.jp/labs/tiwata/omac/omac.html

VMAC https://tools.ietf.org/html/draft-krovetz-vmac-01

USAGE

$x = new NMR;

$x->aes_cmac($data, $key);

$x->aes_pmac($data, $key);

$x->OMAC2($data, $key);

$x->vmac($key, $m, $nonce, $taglen);

$x->aes_siv_encrypt($Key,$Sn,$plaintext);

$x->aes_siv_decrypt($Key,$Sn,$cipher);

[$Sn is an array of additional data (for example AAD or nonce)]

$x->aes_eax_encrypt($Message,$Key,$Nonce,$Header);

$x->aes_eax_decrypt($Cipher,$Key,$Nonce,$Header);

TEST VECTORS

$x->test_cmac(); $x->test_pmac(); $x->test_OMAC2(); $x->test_vmac(); $x->test_aes_siv(); $x->test_aes_eax();


License

This code is placed in the public domain.

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Plain text file NMR.php Class Class source
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