Change aes engine
This commit is contained in:
Daniil Gentili
parent
57a87a1638
commit
e30ccb6717
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@ -63,4 +63,5 @@ rsa.pub
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# emacs auto-saving files
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\#*#
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.#*#
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.#*#
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/vendor/
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593
AES.class.php
593
AES.class.php
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@ -1,593 +0,0 @@
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<?php
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/*
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* Author: Cody Phillips
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* Company: Phillips Data
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* Website: www.phpaes.com, www.phillipsdata.com
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* File: AES.class.php
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* October 1, 2007
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*
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* This software is sold as-is without any warranties, expressed or implied,
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* including but not limited to performance and/or merchantability. No
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* warranty of fitness for a particular purpose is offered. This script can
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* be used on as many servers as needed, as long as the servers are owned
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* by the purchaser. (Contact us if you want to distribute it as part of
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* another project) The purchaser cannot modify, rewrite, edit, or change any
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* of this code and then resell it, which would be copyright infringement.
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* This code can be modified for personal use only.
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*
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* Comments, Questions? Contact the author at cody [at] wshost [dot] net
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*/
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class AES
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{
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// The number of 32-bit words comprising the plaintext and columns comrising the state matrix of an AES cipher.
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private static $Nb = 4;
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// The number of 32-bit words comprising the cipher key in this AES cipher.
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private $Nk;
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// The number of rounds in this AES cipher.
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private $Nr;
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// The S-Box substitution table.
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private static $sBox = [
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0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
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0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
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0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
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0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
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0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
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0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
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0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
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0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
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0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
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0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
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0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
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0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
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0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
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0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
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0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
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0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
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0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
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0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
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0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
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0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
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0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
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0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
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0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
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0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
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0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
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0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
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0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
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0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
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0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
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0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
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0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
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0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16,
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];
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// The inverse S-Box substitution table.
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private static $invSBox = [
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0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,
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0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
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0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
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0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
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0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d,
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0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
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0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,
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0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
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0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,
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0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
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0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,
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0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
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0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a,
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0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
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0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,
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0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
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0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea,
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0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
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0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85,
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0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
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0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,
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0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
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0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20,
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0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
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0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31,
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0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
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0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,
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0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
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0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0,
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0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
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0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26,
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0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d,
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];
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// Log table based on 0xe5
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private static $ltable = [
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0x00, 0xff, 0xc8, 0x08, 0x91, 0x10, 0xd0, 0x36,
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0x5a, 0x3e, 0xd8, 0x43, 0x99, 0x77, 0xfe, 0x18,
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0x23, 0x20, 0x07, 0x70, 0xa1, 0x6c, 0x0c, 0x7f,
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0x62, 0x8b, 0x40, 0x46, 0xc7, 0x4b, 0xe0, 0x0e,
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0xeb, 0x16, 0xe8, 0xad, 0xcf, 0xcd, 0x39, 0x53,
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0x6a, 0x27, 0x35, 0x93, 0xd4, 0x4e, 0x48, 0xc3,
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0x2b, 0x79, 0x54, 0x28, 0x09, 0x78, 0x0f, 0x21,
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0x90, 0x87, 0x14, 0x2a, 0xa9, 0x9c, 0xd6, 0x74,
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0xb4, 0x7c, 0xde, 0xed, 0xb1, 0x86, 0x76, 0xa4,
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0x98, 0xe2, 0x96, 0x8f, 0x02, 0x32, 0x1c, 0xc1,
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0x33, 0xee, 0xef, 0x81, 0xfd, 0x30, 0x5c, 0x13,
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0x9d, 0x29, 0x17, 0xc4, 0x11, 0x44, 0x8c, 0x80,
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0xf3, 0x73, 0x42, 0x1e, 0x1d, 0xb5, 0xf0, 0x12,
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0xd1, 0x5b, 0x41, 0xa2, 0xd7, 0x2c, 0xe9, 0xd5,
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0x59, 0xcb, 0x50, 0xa8, 0xdc, 0xfc, 0xf2, 0x56,
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0x72, 0xa6, 0x65, 0x2f, 0x9f, 0x9b, 0x3d, 0xba,
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0x7d, 0xc2, 0x45, 0x82, 0xa7, 0x57, 0xb6, 0xa3,
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0x7a, 0x75, 0x4f, 0xae, 0x3f, 0x37, 0x6d, 0x47,
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0x61, 0xbe, 0xab, 0xd3, 0x5f, 0xb0, 0x58, 0xaf,
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0xca, 0x5e, 0xfa, 0x85, 0xe4, 0x4d, 0x8a, 0x05,
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0xfb, 0x60, 0xb7, 0x7b, 0xb8, 0x26, 0x4a, 0x67,
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0xc6, 0x1a, 0xf8, 0x69, 0x25, 0xb3, 0xdb, 0xbd,
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0x66, 0xdd, 0xf1, 0xd2, 0xdf, 0x03, 0x8d, 0x34,
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0xd9, 0x92, 0x0d, 0x63, 0x55, 0xaa, 0x49, 0xec,
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0xbc, 0x95, 0x3c, 0x84, 0x0b, 0xf5, 0xe6, 0xe7,
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0xe5, 0xac, 0x7e, 0x6e, 0xb9, 0xf9, 0xda, 0x8e,
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0x9a, 0xc9, 0x24, 0xe1, 0x0a, 0x15, 0x6b, 0x3a,
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0xa0, 0x51, 0xf4, 0xea, 0xb2, 0x97, 0x9e, 0x5d,
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0x22, 0x88, 0x94, 0xce, 0x19, 0x01, 0x71, 0x4c,
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0xa5, 0xe3, 0xc5, 0x31, 0xbb, 0xcc, 0x1f, 0x2d,
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0x3b, 0x52, 0x6f, 0xf6, 0x2e, 0x89, 0xf7, 0xc0,
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0x68, 0x1b, 0x64, 0x04, 0x06, 0xbf, 0x83, 0x38,
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];
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// Inverse log table
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private static $atable = [
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0x01, 0xe5, 0x4c, 0xb5, 0xfb, 0x9f, 0xfc, 0x12,
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0x03, 0x34, 0xd4, 0xc4, 0x16, 0xba, 0x1f, 0x36,
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0x05, 0x5c, 0x67, 0x57, 0x3a, 0xd5, 0x21, 0x5a,
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0x0f, 0xe4, 0xa9, 0xf9, 0x4e, 0x64, 0x63, 0xee,
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0x11, 0x37, 0xe0, 0x10, 0xd2, 0xac, 0xa5, 0x29,
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0x33, 0x59, 0x3b, 0x30, 0x6d, 0xef, 0xf4, 0x7b,
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0x55, 0xeb, 0x4d, 0x50, 0xb7, 0x2a, 0x07, 0x8d,
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0xff, 0x26, 0xd7, 0xf0, 0xc2, 0x7e, 0x09, 0x8c,
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0x1a, 0x6a, 0x62, 0x0b, 0x5d, 0x82, 0x1b, 0x8f,
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0x2e, 0xbe, 0xa6, 0x1d, 0xe7, 0x9d, 0x2d, 0x8a,
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0x72, 0xd9, 0xf1, 0x27, 0x32, 0xbc, 0x77, 0x85,
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0x96, 0x70, 0x08, 0x69, 0x56, 0xdf, 0x99, 0x94,
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0xa1, 0x90, 0x18, 0xbb, 0xfa, 0x7a, 0xb0, 0xa7,
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0xf8, 0xab, 0x28, 0xd6, 0x15, 0x8e, 0xcb, 0xf2,
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0x13, 0xe6, 0x78, 0x61, 0x3f, 0x89, 0x46, 0x0d,
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0x35, 0x31, 0x88, 0xa3, 0x41, 0x80, 0xca, 0x17,
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0x5f, 0x53, 0x83, 0xfe, 0xc3, 0x9b, 0x45, 0x39,
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0xe1, 0xf5, 0x9e, 0x19, 0x5e, 0xb6, 0xcf, 0x4b,
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0x38, 0x04, 0xb9, 0x2b, 0xe2, 0xc1, 0x4a, 0xdd,
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0x48, 0x0c, 0xd0, 0x7d, 0x3d, 0x58, 0xde, 0x7c,
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0xd8, 0x14, 0x6b, 0x87, 0x47, 0xe8, 0x79, 0x84,
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0x73, 0x3c, 0xbd, 0x92, 0xc9, 0x23, 0x8b, 0x97,
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0x95, 0x44, 0xdc, 0xad, 0x40, 0x65, 0x86, 0xa2,
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0xa4, 0xcc, 0x7f, 0xec, 0xc0, 0xaf, 0x91, 0xfd,
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0xf7, 0x4f, 0x81, 0x2f, 0x5b, 0xea, 0xa8, 0x1c,
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0x02, 0xd1, 0x98, 0x71, 0xed, 0x25, 0xe3, 0x24,
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0x06, 0x68, 0xb3, 0x93, 0x2c, 0x6f, 0x3e, 0x6c,
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0x0a, 0xb8, 0xce, 0xae, 0x74, 0xb1, 0x42, 0xb4,
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0x1e, 0xd3, 0x49, 0xe9, 0x9c, 0xc8, 0xc6, 0xc7,
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0x22, 0x6e, 0xdb, 0x20, 0xbf, 0x43, 0x51, 0x52,
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0x66, 0xb2, 0x76, 0x60, 0xda, 0xc5, 0xf3, 0xf6,
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0xaa, 0xcd, 0x9a, 0xa0, 0x75, 0x54, 0x0e, 0x01,
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];
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// The key schedule in this AES cipher.
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private $w;
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// The state matrix in this AES cipher with Nb columns and 4 rows
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private $s;
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// Determines the lenght of key z
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private $keyLength;
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/** constructs an AES cipher using a specific key.
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*/
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public function __construct($z)
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{
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$this->Nk = strlen($z) / 4;
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$this->Nr = $this->Nk + self::$Nb + 2;
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if ($this->Nk != 4 && $this->Nk != 6 && $this->Nk != 8) {
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die('Key is '.($this->Nk * 32).' bits long. *not* 128, 192, or 256.');
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}
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$this->Nr = $this->Nk + self::$Nb + 2;
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$this->w = []; // Nb*(Nr+1) 32-bit words
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$this->s = [[]]; // 2-D array of Nb colums and 4 rows
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$this->KeyExpansion($z); // places expanded key in w
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}
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/** Encrypts an aribtrary length String.
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* @params plaintext string
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* @returns ciphertext string
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* Whenever possible you should stream your plaintext through the
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* encryptBlock() function directly, as the amount of time required
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* to encrypt is linear to the size of the ciphertext.
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**/
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public function encrypt($x)
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{
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$t = ''; // 16-byte block
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$y = ''; // returned cipher text;
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// put a 16-byte block into t
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$xsize = strlen($x);
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for ($i = 0; $i < $xsize; $i += 16) {
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for ($j = 0; $j < 16; $j++) {
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if (($i + $j) < $xsize) {
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$t[$j] = $x[$i + $j];
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} else {
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$t[$j] = chr(0);
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}
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}
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$y .= $this->encryptBlock($t);
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}
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return $y;
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}
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/** Decrypts an aribtrary length String.
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* @params ciphertext string
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* @returns plaintext string
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* Whenever possible you should stream your ciphertext through the
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* decryptBlock() function directly, as the amount of time required
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* to decrypt is linear to the size of the ciphertext.
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**/
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public function decrypt($y)
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{
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$t = ''; // 16-byte block
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$x = ''; // returned plain text;
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// put a 16-byte block into t
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$ysize = strlen($y);
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for ($i = 0; $i < $ysize; $i += 16) {
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for ($j = 0; $j < 16; $j++) {
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if (($i + $j) < $ysize) {
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$t[$j] = $y[$i + $j];
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} else {
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$t[$j] = chr(0);
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}
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}
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$x .= $this->decryptBlock($t);
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}
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return $x;
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}
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/** Encrypts the 16-byte plain text.
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* @params 16-byte plaintext string
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* @returns 16-byte ciphertext string
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**/
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public function encryptBlock($x)
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{
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$y = ''; // 16-byte string
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// place input x into the initial state matrix in column order
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for ($i = 0; $i < 4 * self::$Nb; $i++) {
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// we want integerger division for the second index
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$this->s[$i % 4][($i - $i % self::$Nb) / self::$Nb] = ord($x[$i]);
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}
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// add round key
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$this->addRoundKey(0);
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for ($i = 1; $i < $this->Nr; $i++) {
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// substitute bytes
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$this->subBytes();
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// shift rows
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$this->shiftRows();
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// mix columns
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$this->mixColumns();
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|
||||
// add round key
|
||||
$this->addRoundKey($i);
|
||||
}
|
||||
|
||||
// substitute bytes
|
||||
$this->subBytes();
|
||||
|
||||
// shift rows
|
||||
$this->shiftRows();
|
||||
|
||||
// add round key
|
||||
$this->addRoundKey($i);
|
||||
|
||||
// place state matrix s into y in column order
|
||||
for ($i = 0; $i < 4 * self::$Nb; $i++) {
|
||||
$y .= chr($this->s[$i % 4][($i - $i % self::$Nb) / self::$Nb]);
|
||||
}
|
||||
|
||||
return $y;
|
||||
}
|
||||
|
||||
/** Decrypts the 16-byte cipher text.
|
||||
* @params 16-byte ciphertext string
|
||||
* @returns 16-byte plaintext string
|
||||
**/
|
||||
public function decryptBlock($y)
|
||||
{
|
||||
$x = ''; // 16-byte string
|
||||
|
||||
// place input y into the initial state matrix in column order
|
||||
for ($i = 0; $i < 4 * self::$Nb; $i++) {
|
||||
$this->s[$i % 4][($i - $i % self::$Nb) / self::$Nb] = ord($y[$i]);
|
||||
}
|
||||
|
||||
// add round key
|
||||
$this->addRoundKey($this->Nr);
|
||||
|
||||
for ($i = $this->Nr - 1; $i > 0; $i--) {
|
||||
// inverse shift rows
|
||||
$this->invShiftRows();
|
||||
|
||||
// inverse sub bytes
|
||||
$this->invSubBytes();
|
||||
|
||||
// add round key
|
||||
$this->addRoundKey($i);
|
||||
|
||||
// inverse mix columns
|
||||
$this->invMixColumns();
|
||||
}
|
||||
|
||||
// inverse shift rows
|
||||
$this->invShiftRows();
|
||||
|
||||
// inverse sub bytes
|
||||
$this->invSubBytes();
|
||||
|
||||
// add round key
|
||||
$this->addRoundKey($i);
|
||||
|
||||
// place state matrix s into x in column order
|
||||
for ($i = 0; $i < 4 * self::$Nb; $i++) {
|
||||
// Used to remove filled null characters.
|
||||
$x .= ($this->s[$i % 4][($i - $i % self::$Nb) / self::$Nb] == chr(0) ? '' : chr($this->s[$i % 4][($i - $i % self::$Nb) / self::$Nb]));
|
||||
}
|
||||
|
||||
return $x;
|
||||
}
|
||||
|
||||
public function __destruct()
|
||||
{
|
||||
unset($this->w);
|
||||
unset($this->s);
|
||||
}
|
||||
|
||||
/** makes a big key out of a small one
|
||||
* @returns void
|
||||
**/
|
||||
private function KeyExpansion($z)
|
||||
{
|
||||
// Rcon is the round constant
|
||||
static $Rcon = [
|
||||
0x00000000,
|
||||
0x01000000,
|
||||
0x02000000,
|
||||
0x04000000,
|
||||
0x08000000,
|
||||
0x10000000,
|
||||
0x20000000,
|
||||
0x40000000,
|
||||
0x80000000,
|
||||
0x1b000000,
|
||||
0x36000000,
|
||||
0x6c000000,
|
||||
0xd8000000,
|
||||
0xab000000,
|
||||
0x4d000000,
|
||||
0x9a000000,
|
||||
0x2f000000,
|
||||
];
|
||||
|
||||
$temp = 0; // temporary 32-bit word
|
||||
|
||||
// the first Nk words of w are the cipher key z
|
||||
for ($i = 0; $i < $this->Nk; $i++) {
|
||||
$this->w[$i] = 0;
|
||||
// fill an entire word of expanded key w
|
||||
// by pushing 4 bytes into the w[i] word
|
||||
$this->w[$i] = ord($z[4 * $i]); // add a byte in
|
||||
$this->w[$i] <<= 8; // make room for the next byte
|
||||
$this->w[$i] += ord($z[4 * $i + 1]);
|
||||
$this->w[$i] <<= 8;
|
||||
$this->w[$i] += ord($z[4 * $i + 2]);
|
||||
$this->w[$i] <<= 8;
|
||||
$this->w[$i] += ord($z[4 * $i + 3]);
|
||||
}
|
||||
|
||||
|
||||
for (; $i < self::$Nb * ($this->Nr + 1); $i++) {
|
||||
$temp = $this->w[$i - 1];
|
||||
|
||||
if ($i % $this->Nk == 0) {
|
||||
$temp = $this->subWord($this->rotWord($temp)) ^ $Rcon[$i / $this->Nk];
|
||||
} elseif ($this->Nk > 6 && $i % $this->Nk == 4) {
|
||||
$temp = $this->subWord($temp);
|
||||
}
|
||||
|
||||
$this->w[$i] = $this->w[$i - $this->Nk] ^ $temp;
|
||||
|
||||
self::make32BitWord($this->w[$i]);
|
||||
}
|
||||
}
|
||||
|
||||
/** adds the key schedule for a round to a state matrix.
|
||||
* @returns void
|
||||
**/
|
||||
private function addRoundKey($round)
|
||||
{
|
||||
$temp = '';
|
||||
|
||||
for ($i = 0; $i < 4; $i++) {
|
||||
for ($j = 0; $j < self::$Nb; $j++) {
|
||||
// place the i-th byte of the j-th word from expanded key w into temp
|
||||
$temp = $this->w[$round * self::$Nb + $j] >> (3 - $i) * 8;
|
||||
// Cast temp from a 32-bit word into an 8-bit byte.
|
||||
$temp %= 256;
|
||||
// Can't do unsigned shifts, so we need to make this temp positive
|
||||
$temp = ($temp < 0 ? (256 + $temp) : $temp);
|
||||
|
||||
$this->s[$i][$j] ^= $temp; // xor temp with the byte at location (i,j) of the state
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** unmixes each column of a state matrix.
|
||||
* @returns void
|
||||
**/
|
||||
private function invMixColumns()
|
||||
{
|
||||
$s0 = $s1 = $s2 = $s3 = '';
|
||||
|
||||
// There are Nb columns
|
||||
for ($i = 0; $i < self::$Nb; $i++) {
|
||||
$s0 = $this->s[0][$i];
|
||||
$s1 = $this->s[1][$i];
|
||||
$s2 = $this->s[2][$i];
|
||||
$s3 = $this->s[3][$i];
|
||||
|
||||
$this->s[0][$i] = $this->mult(0x0e, $s0) ^ $this->mult(0x0b, $s1) ^ $this->mult(0x0d, $s2) ^ $this->mult(0x09, $s3);
|
||||
$this->s[1][$i] = $this->mult(0x09, $s0) ^ $this->mult(0x0e, $s1) ^ $this->mult(0x0b, $s2) ^ $this->mult(0x0d, $s3);
|
||||
$this->s[2][$i] = $this->mult(0x0d, $s0) ^ $this->mult(0x09, $s1) ^ $this->mult(0x0e, $s2) ^ $this->mult(0x0b, $s3);
|
||||
$this->s[3][$i] = $this->mult(0x0b, $s0) ^ $this->mult(0x0d, $s1) ^ $this->mult(0x09, $s2) ^ $this->mult(0x0e, $s3);
|
||||
}
|
||||
}
|
||||
|
||||
/** applies an inverse cyclic shift to the last 3 rows of a state matrix.
|
||||
* @returns void
|
||||
**/
|
||||
private function invShiftRows()
|
||||
{
|
||||
$temp = '';
|
||||
for ($i = 1; $i < 4; $i++) {
|
||||
for ($j = 0; $j < self::$Nb; $j++) {
|
||||
$temp[($i + $j) % self::$Nb] = $this->s[$i][$j];
|
||||
}
|
||||
for ($j = 0; $j < self::$Nb; $j++) {
|
||||
$this->s[$i][$j] = $temp[$j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** applies inverse S-Box substitution to each byte of a state matrix.
|
||||
* @returns void
|
||||
**/
|
||||
private function invSubBytes()
|
||||
{
|
||||
for ($i = 0; $i < 4; $i++) {
|
||||
for ($j = 0; $j < self::$Nb; $j++) {
|
||||
$this->s[$i][$j] = self::$invSBox[$this->s[$i][$j]];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** mixes each column of a state matrix.
|
||||
* @returns void
|
||||
**/
|
||||
private function mixColumns()
|
||||
{
|
||||
$s0 = $s1 = $s2 = $s3 = '';
|
||||
|
||||
// There are Nb columns
|
||||
for ($i = 0; $i < self::$Nb; $i++) {
|
||||
$s0 = $this->s[0][$i];
|
||||
$s1 = $this->s[1][$i];
|
||||
$s2 = $this->s[2][$i];
|
||||
$s3 = $this->s[3][$i];
|
||||
|
||||
$this->s[0][$i] = $this->mult(0x02, $s0) ^ $this->mult(0x03, $s1) ^ $this->mult(0x01, $s2) ^ $this->mult(0x01, $s3);
|
||||
$this->s[1][$i] = $this->mult(0x01, $s0) ^ $this->mult(0x02, $s1) ^ $this->mult(0x03, $s2) ^ $this->mult(0x01, $s3);
|
||||
$this->s[2][$i] = $this->mult(0x01, $s0) ^ $this->mult(0x01, $s1) ^ $this->mult(0x02, $s2) ^ $this->mult(0x03, $s3);
|
||||
$this->s[3][$i] = $this->mult(0x03, $s0) ^ $this->mult(0x01, $s1) ^ $this->mult(0x01, $s2) ^ $this->mult(0x02, $s3);
|
||||
}
|
||||
}
|
||||
|
||||
/** applies a cyclic shift to the last 3 rows of a state matrix.
|
||||
* @returns void
|
||||
**/
|
||||
private function shiftRows()
|
||||
{
|
||||
$temp = '';
|
||||
for ($i = 1; $i < 4; $i++) {
|
||||
for ($j = 0; $j < self::$Nb; $j++) {
|
||||
$temp[$j] = $this->s[$i][($j + $i) % self::$Nb];
|
||||
}
|
||||
for ($j = 0; $j < self::$Nb; $j++) {
|
||||
$this->s[$i][$j] = $temp[$j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** applies S-Box substitution to each byte of a state matrix.
|
||||
* @returns void
|
||||
**/
|
||||
private function subBytes()
|
||||
{
|
||||
for ($i = 0; $i < 4; $i++) {
|
||||
for ($j = 0; $j < self::$Nb; $j++) {
|
||||
$this->s[$i][$j] = self::$sBox[$this->s[$i][$j]];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** multiplies two polynomials a(x), b(x) in GF(2^8) modulo the irreducible polynomial m(x) = x^8+x^4+x^3+x+1
|
||||
* @returns 8-bit value
|
||||
**/
|
||||
private static function mult($a, $b)
|
||||
{
|
||||
$sum = self::$ltable[$a] + self::$ltable[$b];
|
||||
$sum %= 255;
|
||||
// Get the antilog
|
||||
$sum = self::$atable[$sum];
|
||||
|
||||
return $a == 0 ? 0 : ($b == 0 ? 0 : $sum);
|
||||
}
|
||||
|
||||
/** applies a cyclic permutation to a 4-byte word.
|
||||
* @returns 32-bit int
|
||||
**/
|
||||
private static function rotWord($w)
|
||||
{
|
||||
$temp = $w >> 24; // put the first 8-bits into temp
|
||||
$w <<= 8; // make room for temp to fill the lower end of the word
|
||||
self::make32BitWord($w);
|
||||
// Can't do unsigned shifts, so we need to make this temp positive
|
||||
$temp = ($temp < 0 ? (256 + $temp) : $temp);
|
||||
$w += $temp;
|
||||
|
||||
return $w;
|
||||
}
|
||||
|
||||
/** applies S-box substitution to each byte of a 4-byte word.
|
||||
* @returns 32-bit int
|
||||
**/
|
||||
private static function subWord($w)
|
||||
{
|
||||
$temp = 0;
|
||||
// loop through 4 bytes of a word
|
||||
for ($i = 0; $i < 4; $i++) {
|
||||
$temp = $w >> 24; // put the first 8-bits into temp
|
||||
// Can't do unsigned shifts, so we need to make this temp positive
|
||||
$temp = ($temp < 0 ? (256 + $temp) : $temp);
|
||||
$w <<= 8; // make room for the substituted byte in w;
|
||||
self::make32BitWord($w);
|
||||
$w += self::$sBox[$temp]; // add the substituted byte back
|
||||
}
|
||||
|
||||
self::make32BitWord($w);
|
||||
|
||||
return $w;
|
||||
}
|
||||
|
||||
/** reduces a 64-bit word to a 32-bit word
|
||||
* @returns void
|
||||
**/
|
||||
private static function make32BitWord(&$w)
|
||||
{
|
||||
// Reduce this 64-bit word to 32-bits on 64-bit machines
|
||||
$w &= 0x00000000FFFFFFFF;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
<?php
|
||||
|
||||
/**
|
||||
* RightPack
|
||||
*
|
||||
* pack() and unpack(), done the right way.
|
||||
*
|
||||
* @package RightPack
|
||||
* @author Daniil Gentili <daniil@daniil.it>
|
||||
* @license MIT license
|
||||
*/
|
||||
|
||||
class FileServe {
|
||||
const $formatinfo = [];
|
||||
const $modifiers = ["<" => ];
|
||||
public function pack($format, ...$data) {
|
||||
$count = count($data);
|
||||
$packcommand = [];
|
||||
$current = 0;
|
||||
foreach (str_split($format) as $currentformat) {
|
||||
if(isset($modifiers[$currentformat])) {
|
||||
$packcommand[$current]["format_info"] = $modifiers[$currentformat];
|
||||
} elseif(isset($formatinfo[$currentformat])) {
|
||||
$packcommand[$current]["format"]
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,112 @@
|
|||
<?php
|
||||
// by https://github.com/mgp25
|
||||
class TelegramEncryption
|
||||
{
|
||||
public $key;
|
||||
public $iv;
|
||||
public $cipherText;
|
||||
public $plainText;
|
||||
public $debug;
|
||||
|
||||
public function __construct($key, $iv, $cipherText = null, $plainText = null, $debug = false)
|
||||
{
|
||||
$this->key = $key;
|
||||
$this->iv = $iv;
|
||||
$this->cipherText = $cipherText;
|
||||
$this->plainText = $plainText;
|
||||
$this->debug = $debug;
}
|
||||
public function IGE256Decrypt()
|
||||
{
|
||||
|
||||
$key = $this->key;
|
||||
$message = $this->cipherText;
|
||||
$blockSize = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
|
||||
|
||||
$xPrev = substr($this->iv, 0, $blockSize);
|
||||
$yPrev = substr($this->iv, $blockSize, strlen($this->iv));
|
||||
|
||||
$decrypted = '';
|
||||
|
||||
for ($i=0; $i < strlen($message); $i += $blockSize)
|
||||
{
|
||||
$x = substr($message, $i, $blockSize);
|
||||
$this->debugLog("x: " . _c($x) . "\n");
|
||||
|
||||
$yXOR = $this->exor($x, $yPrev);
|
||||
$this->debugLog("yPrev: " . _c($yPrev) . "\n");
|
||||
$this->debugLog("yXOR: " . _c($yXOR) . "\n");
|
||||
$yFinal = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $yXOR, MCRYPT_MODE_ECB); $yFinal = str_pad($yFinal, strlen($xPrev), "\x00");
|
||||
$this->debugLog("yFinal: " . _c($yFinal) . “\n");
|
||||
|
||||
$y = $this->exor($yFinal, $xPrev);
|
||||
$this->debugLog("xPrev: " . _c($xPrev) . "\n");
|
||||
$this->debugLog("y: " . _c($y) . "\n");
|
||||
|
||||
$xPrev = $x;
|
||||
$yPrev = $y;
|
||||
$decrypted .= $y;
|
||||
|
||||
$this->debugLog("Currently Decrypted: "._c($decrypted)."\n\n");
|
||||
}
|
||||
return $decrypted;
|
||||
}
|
||||
|
||||
public function IGE256Encrypt()
|
||||
{
|
||||
$key = $this->key;
|
||||
$message = $this->plainText;
|
||||
$blockSize = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
|
||||
|
||||
$xPrev = substr($this->iv, $blockSize, strlen($this->iv));
|
||||
$yPrev = substr($this->iv, 0, $blockSize);
|
||||
|
||||
$encrypted = '';
|
||||
|
||||
for ($i=0; $i < strlen($message); $i += $blockSize)
|
||||
{
|
||||
|
||||
$x = substr($message, $i, $blockSize);
|
||||
$this->debugLog("x: " . _c($x) . “\n");
|
||||
|
||||
$yXOR = $this->exor($x, $yPrev);
|
||||
$this->debugLog("yPrev: " . _c($yPrev) . "\n");
|
||||
$this->debugLog("yXOR: " . _c($yXOR) . "\n");
|
||||
$yFinal = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $yXOR, MCRYPT_MODE_ECB); $yFinal = str_pad($yFinal, strlen($xPrev), "\x00");
|
||||
$this->debugLog("yFinal: " . _c($yFinal) . “\n");
|
||||
$y = $this->exor($yFinal, $xPrev);
|
||||
$this->debugLog("xPrev: " . _c($xPrev) . “\n");
|
||||
$this->debugLog("y: " . _c($y) . “\n");
|
||||
|
||||
$xPrev = $x;
|
||||
$yPrev = $y;
|
||||
|
||||
$encrypted .= $y;
|
||||
$this->debugLog("Currently encrypted: "._c($encrypted)."\n\n");
|
||||
}
|
||||
return $encrypted;
|
||||
}
|
||||
|
||||
public function debugLog($message)
|
||||
{
|
||||
if ($this->debug)
|
||||
echo $message;
|
||||
}
|
||||
|
||||
public function exor($array1, $array2)
|
||||
{
|
||||
$len = (strlen($array1) <= strlen($array2)) ? strlen($array2) : strlen($array1);
|
||||
|
||||
$array1 = str_pad($array1, $len, “\x00");
|
||||
$array2 = str_pad($array2, $len, “\x00");
|
||||
|
||||
$res = ‘';
|
||||
for ($i=0; $i < $len; $i++)
|
||||
{
|
||||
$res .= $array1[$i] ^ $array2[$i];
|
||||
}
|
||||
return $res;
|
||||
}
|
||||
|
||||
function _c($binary) { return sprintf(“[%s]", chunk_split(bin2hex($binary), 4, ' ')); }
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
{
|
||||
"name": "danog/madelineproto",
|
||||
"description": "PHP implementation of telegram's MTProto protocol.",
|
||||
"type": "project",
|
||||
"require": {
|
||||
"danog/phpstruct": "^0.4.0"
|
||||
},
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||||
"license": "MIT",
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"authors": [
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||||
{
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||||
"name": "Daniil Gentili",
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||||
"email": "daniil@daniil.it"
|
||||
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||||
"minimum-stability": "stable"
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|
|
@ -0,0 +1,67 @@
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"php": ">=5.6.0"
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"phpunit/phpunit": "5.4.*"
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"type": "library",
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{
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"name": "danog",
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"email": "daniil@daniil.it"
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"time": "2016-07-15 10:56:16"
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"prefer-lowest": false,
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"platform": [],
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||||
"platform-dev": []
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||||
}
|
||||
Loading…
Reference in New Issue