diff --git a/plugin/world/blowfish_ecb/LICENSE.txt b/plugin/world/blowfish_ecb/LICENSE.txt new file mode 100644 index 00000000..49cc83d2 --- /dev/null +++ b/plugin/world/blowfish_ecb/LICENSE.txt @@ -0,0 +1,177 @@ + + Apache License + Version 2.0, January 2004 + https://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS diff --git a/plugin/world/blowfish_ecb/README.md b/plugin/world/blowfish_ecb/README.md new file mode 100644 index 00000000..ebf37cec --- /dev/null +++ b/plugin/world/blowfish_ecb/README.md @@ -0,0 +1,10 @@ +# Blowfish-ECB + +Port of OpenSSL's Blowfish implementation for Ruby. + +Created to workaround an issue of Ruby which prevents using deprecated OpenSSL APIs, including the Blowfish algorithm. + +## Copyrights +Copyright (c) 1998-2023 The OpenSSL Project Authors + +Copyright (c) 1995-1998 Eric A. Young, Tim J. Hudson \ No newline at end of file diff --git a/plugin/world/blowfish_ecb/blowfish_ecb.rb b/plugin/world/blowfish_ecb/blowfish_ecb.rb new file mode 100644 index 00000000..bc5d0b54 --- /dev/null +++ b/plugin/world/blowfish_ecb/blowfish_ecb.rb @@ -0,0 +1,6 @@ +module Blowfish + module ECB + end +end + +require_relative 'lib/cipher' \ No newline at end of file diff --git a/plugin/world/blowfish_ecb/lib/cipher.rb b/plugin/world/blowfish_ecb/lib/cipher.rb new file mode 100644 index 00000000..bc503d51 --- /dev/null +++ b/plugin/world/blowfish_ecb/lib/cipher.rb @@ -0,0 +1,44 @@ +require_relative 'ecb' +require_relative 'key' + +module Blowfish::ECB + class Cipher + # call-seq: + # Blowfish::ECB::Cipher.new(string) -> Cipher + # + # Creates a Cipher instance with given key. + def initialize(key) + @key = Blowfish::ECB::Key.new(key) + end + + # call-seq: + # cipher.encrypt(string) -> string + # + # Encrypts given data. + def encrypt(data) + bytes = data.unpack("C*") + pad_len = 8 - (bytes.size % 8) + bytes.push(*([pad_len] * pad_len)) + Blowfish::ECB.encrypt(bytes.pack("C*"), @key) + end + + # call-seq: + # cipher.decrypt(string) -> string + # + # Decrypts given data. The data must be in ASCII-8BIT encoding, since the + # encrypted data consists of arbitrary bytes. It is a sign of a bug if the + # encrypted data is encoded as if it was a human-readable text. + def decrypt(data) + if data.encoding != Encoding::ASCII_8BIT + raise "data.encoding must be ASCII-8BIT, but got: #{data.encoding}" + end + + decoded = Blowfish::ECB.decrypt(data, @key) + + # Last byte indicates the size of padding. + # Strip the padding from res accordingly. + pad_len = decoded[-1].unpack("C")[0] + decoded[0...-pad_len] + end + end +end diff --git a/plugin/world/blowfish_ecb/lib/common.rb b/plugin/world/blowfish_ecb/lib/common.rb new file mode 100644 index 00000000..0bafe77b --- /dev/null +++ b/plugin/world/blowfish_ecb/lib/common.rb @@ -0,0 +1,85 @@ +module Blowfish::ECB::Common + class << self + # call-seq: + # encrypt(l, r, Key) -> [int, int] + # + # Encrypts pseudo-64bit-value (l, r) into bytes using given key. + # Both l and r must be 32-bit integers. + # Original: https://github.com/openssl/openssl/blob/e8e2b131ca253f9e28c511c8294e27ddbd0b60c6/crypto/bf/bf_enc.c#L30 + # + # Note that unlike the original implementation, this method returns a new tuple representing the result + # rather than destructively updating the input argument. + def encrypt(l, r, key) + l ^= key.p[0] + r = bf_enc(r, l, key.s, key.p[1]) + l = bf_enc(l, r, key.s, key.p[2]) + r = bf_enc(r, l, key.s, key.p[3]) + l = bf_enc(l, r, key.s, key.p[4]) + r = bf_enc(r, l, key.s, key.p[5]) + l = bf_enc(l, r, key.s, key.p[6]) + r = bf_enc(r, l, key.s, key.p[7]) + l = bf_enc(l, r, key.s, key.p[8]) + r = bf_enc(r, l, key.s, key.p[9]) + l = bf_enc(l, r, key.s, key.p[10]) + r = bf_enc(r, l, key.s, key.p[11]) + l = bf_enc(l, r, key.s, key.p[12]) + r = bf_enc(r, l, key.s, key.p[13]) + l = bf_enc(l, r, key.s, key.p[14]) + r = bf_enc(r, l, key.s, key.p[15]) + l = bf_enc(l, r, key.s, key.p[16]) + r ^= key.p[17] + + [r & 0xffffffff, l & 0xffffffff] + end + + # call-seq: + # decrypt(l, r, Key) -> [int, int] + # + # Decrypts pseudo-64bit-value (l, r) into bytes using given key. + # Both l and r must be 32-bit integers. + # Original: https://github.com/openssl/openssl/blob/e8e2b131ca253f9e28c511c8294e27ddbd0b60c6/crypto/bf/bf_enc.c#L69 + # + # Note that unlike the original implementation, this method returns a new tuple representing the result + # rather than destructively updating the input argument. + def decrypt(l, r, key) + l ^= key.p[17] + r = bf_enc(r, l, key.s, key.p[16]) + l = bf_enc(l, r, key.s, key.p[15]) + r = bf_enc(r, l, key.s, key.p[14]) + l = bf_enc(l, r, key.s, key.p[13]) + r = bf_enc(r, l, key.s, key.p[12]) + l = bf_enc(l, r, key.s, key.p[11]) + r = bf_enc(r, l, key.s, key.p[10]) + l = bf_enc(l, r, key.s, key.p[9]) + r = bf_enc(r, l, key.s, key.p[8]) + l = bf_enc(l, r, key.s, key.p[7]) + r = bf_enc(r, l, key.s, key.p[6]) + l = bf_enc(l, r, key.s, key.p[5]) + r = bf_enc(r, l, key.s, key.p[4]) + l = bf_enc(l, r, key.s, key.p[3]) + r = bf_enc(r, l, key.s, key.p[2]) + l = bf_enc(l, r, key.s, key.p[1]) + r ^= key.p[0] + + [r & 0xffffffff, l & 0xffffffff] + end + + private + + # call-seq: + # bf_enc(int, int, [int], int) -> int + # + # Calculates one step of the Blowfish encryption. + # Original: https://github.com/openssl/openssl/blob/e8e2b131ca253f9e28c511c8294e27ddbd0b60c6/crypto/bf/bf_local.h#L76 + # + # Note that due to limitation in Ruby, unlike what the original BF_ENC is doing, + # this method returns the calculated value rather than destructively reassigning l. + def bf_enc(l, r, s, p) + tmp = s[0x0000+((r>>24)&0xff)] + tmp += s[0x0100+((r>>16)&0xff)] + tmp ^= s[0x0200+((r>> 8)&0xff)] + tmp += s[0x0300+((r )&0xff)] + l ^ p ^ (tmp & 0xffffffff) + end + end +end \ No newline at end of file diff --git a/plugin/world/blowfish_ecb/lib/ecb.rb b/plugin/world/blowfish_ecb/lib/ecb.rb new file mode 100644 index 00000000..ea620ddf --- /dev/null +++ b/plugin/world/blowfish_ecb/lib/ecb.rb @@ -0,0 +1,42 @@ +module Blowfish::ECB + class << self + # call-seq: + # Blowfish::ECB.encrypt(string, Key) -> string + # + # Encrypts the data (as in byte sequence) with given key. + # Since the data is a byte sequence, its encoding must be ASCII-8BIT. + def encrypt(data, key) + if data.size % 8 != 0 + raise "data size must be multiple of 8, but got: #{data.size}" + end + + res = "" + 0.step(data.size - 1, 8).each do |i| + l, r = data.byteslice(i, 8).unpack("I>I>") + res += Common.encrypt(l, r, key).pack("I>I>") + end + res + end + + # call-seq: + # Blowfish::ECB.decrypt(string, Key) -> string + # + # Decrypts the data (as in byte sequence) with given key. + # Since the data is a byte sequence, its encoding must be ASCII-8BIT. + def decrypt(data, key) + if data.encoding != Encoding::ASCII_8BIT + raise "data.encoding must be ASCII-8BIT, but got: #{data.encoding}" + end + if data.size % 8 != 0 + raise "data size must be multiple of 8, but got: #{data.size}" + end + + res = "" + 0.step(data.size - 1, 8).each do |i| + l, r = data.byteslice(i, 8).unpack("I>I>") + res += Common.decrypt(l, r, key).pack("I>I>") + end + res + end + end +end \ No newline at end of file diff --git a/plugin/world/blowfish_ecb/lib/key.rb b/plugin/world/blowfish_ecb/lib/key.rb new file mode 100644 index 00000000..6259e3b9 --- /dev/null +++ b/plugin/world/blowfish_ecb/lib/key.rb @@ -0,0 +1,572 @@ +require_relative 'common' + +module Blowfish::ECB + class Key + attr_reader :p, :s + + # call-seq: + # Blowfish::ECB::Key.new(string) -> Key + # + # Returns a Blowfish key object initialized with the given key. + # Original: https://github.com/openssl/openssl/blob/456e6ca5d73972cdb4228e6c5ec9acdf19237308/crypto/bf/bf_skey.c + def initialize(key) + @p = [ + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, + 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, + 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, + 0x9216d5d9, 0x8979fb1b + ] + @s = [ + 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, + 0xd01adfb7, + 0xb8e1afed, 0x6a267e96, 0xba7c9045, + 0xf12c7f99, + 0x24a19947, 0xb3916cf7, 0x0801f2e2, + 0x858efc16, + 0x636920d8, 0x71574e69, 0xa458fea3, + 0xf4933d7e, + 0x0d95748f, 0x728eb658, 0x718bcd58, + 0x82154aee, + 0x7b54a41d, 0xc25a59b5, 0x9c30d539, + 0x2af26013, + 0xc5d1b023, 0x286085f0, 0xca417918, + 0xb8db38ef, + 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, + 0xb01e8a3e, + 0xd71577c1, 0xbd314b27, 0x78af2fda, + 0x55605c60, + 0xe65525f3, 0xaa55ab94, 0x57489862, + 0x63e81440, + 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, + 0x1141e8ce, + 0xa15486af, 0x7c72e993, 0xb3ee1411, + 0x636fbc2a, + 0x2ba9c55d, 0x741831f6, 0xce5c3e16, + 0x9b87931e, + 0xafd6ba33, 0x6c24cf5c, 0x7a325381, + 0x28958677, + 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, + 0x66282193, + 0x61d809cc, 0xfb21a991, 0x487cac60, + 0x5dec8032, + 0xef845d5d, 0xe98575b1, 0xdc262302, + 0xeb651b88, + 0x23893e81, 0xd396acc5, 0x0f6d6ff3, + 0x83f44239, + 0x2e0b4482, 0xa4842004, 0x69c8f04a, + 0x9e1f9b5e, + 0x21c66842, 0xf6e96c9a, 0x670c9c61, + 0xabd388f0, + 0x6a51a0d2, 0xd8542f68, 0x960fa728, + 0xab5133a3, + 0x6eef0b6c, 0x137a3be4, 0xba3bf050, + 0x7efb2a98, + 0xa1f1651d, 0x39af0176, 0x66ca593e, + 0x82430e88, + 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, + 0x3b8b5ebe, + 0xe06f75d8, 0x85c12073, 0x401a449f, + 0x56c16aa6, + 0x4ed3aa62, 0x363f7706, 0x1bfedf72, + 0x429b023d, + 0x37d0d724, 0xd00a1248, 0xdb0fead3, + 0x49f1c09b, + 0x075372c9, 0x80991b7b, 0x25d479d8, + 0xf6e8def7, + 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, + 0x04c006ba, + 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, + 0x196a2463, + 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, + 0x3b52ec6f, + 0x6dfc511f, 0x9b30952c, 0xcc814544, + 0xaf5ebd09, + 0xbee3d004, 0xde334afd, 0x660f2807, + 0x192e4bb3, + 0xc0cba857, 0x45c8740f, 0xd20b5f39, + 0xb9d3fbdb, + 0x5579c0bd, 0x1a60320a, 0xd6a100c6, + 0x402c7279, + 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, + 0xdb3222f8, + 0x3c7516df, 0xfd616b15, 0x2f501ec8, + 0xad0552ab, + 0x323db5fa, 0xfd238760, 0x53317b48, + 0x3e00df82, + 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, + 0xdf1769db, + 0xd542a8f6, 0x287effc3, 0xac6732c6, + 0x8c4f5573, + 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, + 0xb8f011a0, + 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, + 0x2dd1d35b, + 0x9a53e479, 0xb6f84565, 0xd28e49bc, + 0x4bfb9790, + 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, + 0xcee4c6e8, + 0xef20cada, 0x36774c01, 0xd07e9efe, + 0x2bf11fb4, + 0x95dbda4d, 0xae909198, 0xeaad8e71, + 0x6b93d5a0, + 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, + 0x8e7594b7, + 0x8ff6e2fb, 0xf2122b64, 0x8888b812, + 0x900df01c, + 0x4fad5ea0, 0x688fc31c, 0xd1cff191, + 0xb3a8c1ad, + 0x2f2f2218, 0xbe0e1777, 0xea752dfe, + 0x8b021fa1, + 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, + 0xce89e299, + 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, + 0xd2ada8d9, + 0x165fa266, 0x80957705, 0x93cc7314, + 0x211a1477, + 0xe6ad2065, 0x77b5fa86, 0xc75442f5, + 0xfb9d35cf, + 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, + 0xae1e7e49, + 0x00250e2d, 0x2071b35e, 0x226800bb, + 0x57b8e0af, + 0x2464369b, 0xf009b91e, 0x5563911d, + 0x59dfa6aa, + 0x78c14389, 0xd95a537f, 0x207d5ba2, + 0x02e5b9c5, + 0x83260376, 0x6295cfa9, 0x11c81968, + 0x4e734a41, + 0xb3472dca, 0x7b14a94a, 0x1b510052, + 0x9a532915, + 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, + 0x81e67400, + 0x08ba6fb5, 0x571be91f, 0xf296ec6b, + 0x2a0dd915, + 0xb6636521, 0xe7b9f9b6, 0xff34052e, + 0xc5855664, + 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, + 0x6e85076a, + 0x4b7a70e9, 0xb5b32944, 0xdb75092e, + 0xc4192623, + 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, + 0x8fedb266, + 0xecaa8c71, 0x699a17ff, 0x5664526c, + 0xc2b19ee1, + 0x193602a5, 0x75094c29, 0xa0591340, + 0xe4183a3e, + 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, + 0x99f73fd6, + 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, + 0xf0255dc1, + 0x4cdd2086, 0x8470eb26, 0x6382e9c6, + 0x021ecc5e, + 0x09686b3f, 0x3ebaefc9, 0x3c971814, + 0x6b6a70a1, + 0x687f3584, 0x52a0e286, 0xb79c5305, + 0xaa500737, + 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, + 0x5716f2b8, + 0xb03ada37, 0xf0500c0d, 0xf01c1f04, + 0x0200b3ff, + 0xae0cf51a, 0x3cb574b2, 0x25837a58, + 0xdc0921bd, + 0xd19113f9, 0x7ca92ff6, 0x94324773, + 0x22f54701, + 0x3ae5e581, 0x37c2dadc, 0xc8b57634, + 0x9af3dda7, + 0xa9446146, 0x0fd0030e, 0xecc8c73e, + 0xa4751e41, + 0xe238cd99, 0x3bea0e2f, 0x3280bba1, + 0x183eb331, + 0x4e548b38, 0x4f6db908, 0x6f420d03, + 0xf60a04bf, + 0x2cb81290, 0x24977c79, 0x5679b072, + 0xbcaf89af, + 0xde9a771f, 0xd9930810, 0xb38bae12, + 0xdccf3f2e, + 0x5512721f, 0x2e6b7124, 0x501adde6, + 0x9f84cd87, + 0x7a584718, 0x7408da17, 0xbc9f9abc, + 0xe94b7d8c, + 0xec7aec3a, 0xdb851dfa, 0x63094366, + 0xc464c3d2, + 0xef1c1847, 0x3215d908, 0xdd433b37, + 0x24c2ba16, + 0x12a14d43, 0x2a65c451, 0x50940002, + 0x133ae4dd, + 0x71dff89e, 0x10314e55, 0x81ac77d6, + 0x5f11199b, + 0x043556f1, 0xd7a3c76b, 0x3c11183b, + 0x5924a509, + 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, + 0x1e153c6e, + 0x86e34570, 0xeae96fb1, 0x860e5e0a, + 0x5a3e2ab3, + 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, + 0x99e71d0f, + 0x803e89d6, 0x5266c825, 0x2e4cc978, + 0x9c10b36a, + 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, + 0x1e0a2df4, + 0xf2f74ea7, 0x361d2b3d, 0x1939260f, + 0x19c27960, + 0x5223a708, 0xf71312b6, 0xebadfe6e, + 0xeac31f66, + 0xe3bc4595, 0xa67bc883, 0xb17f37d1, + 0x018cff28, + 0xc332ddef, 0xbe6c5aa5, 0x65582185, + 0x68ab9802, + 0xeecea50f, 0xdb2f953b, 0x2aef7dad, + 0x5b6e2f84, + 0x1521b628, 0x29076170, 0xecdd4775, + 0x619f1510, + 0x13cca830, 0xeb61bd96, 0x0334fe1e, + 0xaa0363cf, + 0xb5735c90, 0x4c70a239, 0xd59e9e0b, + 0xcbaade14, + 0xeecc86bc, 0x60622ca7, 0x9cab5cab, + 0xb2f3846e, + 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, + 0x655abb50, + 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, + 0xc021b8f7, + 0x9b540b19, 0x875fa099, 0x95f7997e, + 0x623d7da8, + 0xf837889a, 0x97e32d77, 0x11ed935f, + 0x16681281, + 0x0e358829, 0xc7e61fd6, 0x96dedfa1, + 0x7858ba99, + 0x57f584a5, 0x1b227263, 0x9b83c3ff, + 0x1ac24696, + 0xcdb30aeb, 0x532e3054, 0x8fd948e4, + 0x6dbc3128, + 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, + 0xee7c3c73, + 0x5d4a14d9, 0xe864b7e3, 0x42105d14, + 0x203e13e0, + 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, + 0xfacb4fd0, + 0xc742f442, 0xef6abbb5, 0x654f3b1d, + 0x41cd2105, + 0xd81e799e, 0x86854dc7, 0xe44b476a, + 0x3d816250, + 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, + 0xc1c7b6a3, + 0x7f1524c3, 0x69cb7492, 0x47848a0b, + 0x5692b285, + 0x095bbf00, 0xad19489d, 0x1462b174, + 0x23820e00, + 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, + 0x233f7061, + 0x3372f092, 0x8d937e41, 0xd65fecf1, + 0x6c223bdb, + 0x7cde3759, 0xcbee7460, 0x4085f2a7, + 0xce77326e, + 0xa6078084, 0x19f8509e, 0xe8efd855, + 0x61d99735, + 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, + 0x800bcadc, + 0x9e447a2e, 0xc3453484, 0xfdd56705, + 0x0e1e9ec9, + 0xdb73dbd3, 0x105588cd, 0x675fda79, + 0xe3674340, + 0xc5c43465, 0x713e38d8, 0x3d28f89e, + 0xf16dff20, + 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, + 0xdb83adf7, + 0xe93d5a68, 0x948140f7, 0xf64c261c, + 0x94692934, + 0x411520f7, 0x7602d4f7, 0xbcf46b2e, + 0xd4a20068, + 0xd4082471, 0x3320f46a, 0x43b7d4b7, + 0x500061af, + 0x1e39f62e, 0x97244546, 0x14214f74, + 0xbf8b8840, + 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, + 0x66a02f45, + 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, + 0x31cb8504, + 0x96eb27b3, 0x55fd3941, 0xda2547e6, + 0xabca0a9a, + 0x28507825, 0x530429f4, 0x0a2c86da, + 0xe9b66dfb, + 0x68dc1462, 0xd7486900, 0x680ec0a4, + 0x27a18dee, + 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, + 0x7af4d6b6, + 0xaace1e7c, 0xd3375fec, 0xce78a399, + 0x406b2a42, + 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, + 0x3b124e8b, + 0x1dc9faf7, 0x4b6d1856, 0x26a36631, + 0xeae397b2, + 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, + 0xca7820fb, + 0xfb0af54e, 0xd8feb397, 0x454056ac, + 0xba489527, + 0x55533a3a, 0x20838d87, 0xfe6ba9b7, + 0xd096954b, + 0x55a867bc, 0xa1159a58, 0xcca92963, + 0x99e1db33, + 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, + 0x9029317c, + 0xfdf8e802, 0x04272f70, 0x80bb155c, + 0x05282ce3, + 0x95c11548, 0xe4c66d22, 0x48c1133f, + 0xc70f86dc, + 0x07f9c9ee, 0x41041f0f, 0x404779a4, + 0x5d886e17, + 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, + 0x41113564, + 0x257b7834, 0x602a9c60, 0xdff8e8a3, + 0x1f636c1b, + 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, + 0xcad18115, + 0x6b2395e0, 0x333e92e1, 0x3b240b62, + 0xeebeb922, + 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, + 0x2da2f728, + 0xd0127845, 0x95b794fd, 0x647d0862, + 0xe7ccf5f0, + 0x5449a36f, 0x877d48fa, 0xc39dfd27, + 0xf33e8d1e, + 0x0a476341, 0x992eff74, 0x3a6f6eab, + 0xf4f8fd37, + 0xa812dc60, 0xa1ebddf8, 0x991be14c, + 0xdb6e6b0d, + 0xc67b5510, 0x6d672c37, 0x2765d43b, + 0xdcd0e804, + 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, + 0x690fed0b, + 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, + 0xd9155ea3, + 0xbb132f88, 0x515bad24, 0x7b9479bf, + 0x763bd6eb, + 0x37392eb3, 0xcc115979, 0x8026e297, + 0xf42e312d, + 0x6842ada7, 0xc66a2b3b, 0x12754ccc, + 0x782ef11c, + 0x6a124237, 0xb79251e7, 0x06a1bbe6, + 0x4bfb6350, + 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, + 0xe2e1c3c9, + 0x44421659, 0x0a121386, 0xd90cec6e, + 0xd5abea2a, + 0x64af674e, 0xda86a85f, 0xbebfe988, + 0x64e4c3fe, + 0x9dbc8057, 0xf0f7c086, 0x60787bf8, + 0x6003604d, + 0xd1fd8346, 0xf6381fb0, 0x7745ae04, + 0xd736fccc, + 0x83426b33, 0xf01eab71, 0xb0804187, + 0x3c005e5f, + 0x77a057be, 0xbde8ae24, 0x55464299, + 0xbf582e61, + 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, + 0x8789bdc2, + 0x5366f9c3, 0xc8b38e74, 0xb475f255, + 0x46fcd9b9, + 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, + 0x915f95e2, + 0x466e598e, 0x20b45770, 0x8cd55591, + 0xc902de4c, + 0xb90bace1, 0xbb8205d0, 0x11a86248, + 0x7574a99e, + 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, + 0xc4324633, + 0xe85a1f02, 0x09f0be8c, 0x4a99a025, + 0x1d6efe10, + 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, + 0x2868f169, + 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, + 0x4fcd7f52, + 0x50115e01, 0xa70683fa, 0xa002b5c4, + 0x0de6d027, + 0x9af88c27, 0x773f8641, 0xc3604c06, + 0x61a806b5, + 0xf0177a28, 0xc0f586e0, 0x006058aa, + 0x30dc7d62, + 0x11e69ed7, 0x2338ea63, 0x53c2dd94, + 0xc2c21634, + 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, + 0xce591d76, + 0x6f05e409, 0x4b7c0188, 0x39720a3d, + 0x7c927c24, + 0x86e3725f, 0x724d9db9, 0x1ac15bb4, + 0xd39eb8fc, + 0xed545578, 0x08fca5b5, 0xd83d7cd3, + 0x4dad0fc4, + 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, + 0x6c51133c, + 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, + 0xddc6c837, + 0xd79a3234, 0x92638212, 0x670efa8e, + 0x406000e0, + 0x3a39ce37, 0xd3faf5cf, 0xabc27737, + 0x5ac52d1b, + 0x5cb0679e, 0x4fa33742, 0xd3822740, + 0x99bc9bbe, + 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, + 0xc700c47b, + 0xb78c1b6b, 0x21a19045, 0xb26eb1be, + 0x6a366eb4, + 0x5748ab2f, 0xbc946e79, 0xc6a376d2, + 0x6549c2c8, + 0x530ff8ee, 0x468dde7d, 0xd5730a1d, + 0x4cd04dc6, + 0x2939bbdb, 0xa9ba4650, 0xac9526e8, + 0xbe5ee304, + 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, + 0x9a86ee22, + 0xc089c2b8, 0x43242ef6, 0xa51e03aa, + 0x9cf2d0a4, + 0x83c061ba, 0x9be96a4d, 0x8fe51550, + 0xba645bd6, + 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, + 0xef5562e9, + 0xc72fefd3, 0xf752f7da, 0x3f046f69, + 0x77fa0a59, + 0x80e4a915, 0x87b08601, 0x9b09e6ad, + 0x3b3ee593, + 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, + 0x022b8b51, + 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, + 0x7c7d2d28, + 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, + 0x5a88f54c, + 0xe029ac71, 0xe019a5e6, 0x47b0acfd, + 0xed93fa9b, + 0xe8d3c48d, 0x283b57cc, 0xf8d56629, + 0x79132e28, + 0x785f0191, 0xed756055, 0xf7960e44, + 0xe3d35e8c, + 0x15056dd4, 0x88f46dba, 0x03a16125, + 0x0564f0bd, + 0xc3eb9e15, 0x3c9057a2, 0x97271aec, + 0xa93a072a, + 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, + 0x26dcf319, + 0x7533d928, 0xb155fdf5, 0x03563482, + 0x8aba3cbb, + 0x28517711, 0xc20ad9f8, 0xabcc5167, + 0xccad925f, + 0x4de81751, 0x3830dc8e, 0x379d5862, + 0x9320f991, + 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, + 0x774fbe32, + 0xa8b6e37e, 0xc3293d46, 0x48de5369, + 0x6413e680, + 0xa2ae0810, 0xdd6db224, 0x69852dfd, + 0x09072166, + 0xb39a460a, 0x6445c0dd, 0x586cdecf, + 0x1c20c8ae, + 0x5bbef7dd, 0x1b588d40, 0xccd2017f, + 0x6bb4e3bb, + 0xdda26a7e, 0x3a59ff45, 0x3e350a44, + 0xbcb4cdd5, + 0x72eacea8, 0xfa6484bb, 0x8d6612ae, + 0xbf3c6f47, + 0xd29be463, 0x542f5d9e, 0xaec2771b, + 0xf64e6370, + 0x740e0d8d, 0xe75b1357, 0xf8721671, + 0xaf537d5d, + 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, + 0x0115af84, + 0xe1b00428, 0x95983a1d, 0x06b89fb4, + 0xce6ea048, + 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, + 0x277227f8, + 0x611560b1, 0xe7933fdc, 0xbb3a792b, + 0x344525bd, + 0xa08839e1, 0x51ce794b, 0x2f32c9b7, + 0xa01fbac9, + 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, + 0xa1e8aac7, + 0x1a908749, 0xd44fbd9a, 0xd0dadecb, + 0xd50ada38, + 0x0339c32a, 0xc6913667, 0x8df9317c, + 0xe0b12b4f, + 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, + 0x27d9459c, + 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, + 0x9b941525, + 0xfae59361, 0xceb69ceb, 0xc2a86459, + 0x12baa8d1, + 0xb6c1075e, 0xe3056a0c, 0x10d25065, + 0xcb03a442, + 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, + 0x3278e964, + 0x9f1f9532, 0xe0d392df, 0xd3a0342b, + 0x8971f21e, + 0x1b0a7441, 0x4ba3348c, 0xc5be7120, + 0xc37632d8, + 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, + 0x0fe3f11d, + 0xe54cda54, 0x1edad891, 0xce6279cf, + 0xcd3e7e6f, + 0x1618b166, 0xfd2c1d05, 0x848fd2c5, + 0xf6fb2299, + 0xf523f357, 0xa6327623, 0x93a83531, + 0x56cccd02, + 0xacf08162, 0x5a75ebb5, 0x6e163697, + 0x88d273cc, + 0xde966292, 0x81b949d0, 0x4c50901b, + 0x71c65614, + 0xe6c6c7bd, 0x327a140a, 0x45e1d006, + 0xc3f27b9a, + 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, + 0x35bdd2f6, + 0x71126905, 0xb2040222, 0xb6cbcf7c, + 0xcd769c2b, + 0x53113ec0, 0x1640e3d3, 0x38abbd60, + 0x2547adf0, + 0xba38209c, 0xf746ce76, 0x77afa1c5, + 0x20756060, + 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, + 0x4cf9aa7e, + 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, + 0xd6ebe1f9, + 0x90d4f869, 0xa65cdea0, 0x3f09252d, + 0xc208e69f, + 0xb74e6132, 0xce77e25b, 0x578fdfe3, + 0x3ac372e6, + ] + + d_base = key.bytes.slice(0, (16 + 2) * 4) + d = d_base.dup + + (16 + 2).times do |i| + ri = d.shift + d = d_base.dup if d.empty? + + ri <<= 8 + ri |= d.shift + d = d_base.dup if d.empty? + + ri <<= 8 + ri |= d.shift + d = d_base.dup if d.empty? + + ri <<= 8 + ri |= d.shift + d = d_base.dup if d.empty? + + @p[i] ^= ri + end + + l, r = [0, 0] + 0.step(16 + 2 - 1, 2) do |i| + l, r = Common::encrypt(l, r, self) + @p[i] = l + @p[i+1] = r + end + 0.step(4 * 256 - 1, 2) do |i| + l, r = Common::encrypt(l, r, self) + @s[i] = l + @s[i+1] = r + end + @p.freeze + @s.freeze + end + end +end diff --git a/plugin/world/blowfish_ecb/test/cipher_test.rb b/plugin/world/blowfish_ecb/test/cipher_test.rb new file mode 100644 index 00000000..be3b62b6 --- /dev/null +++ b/plugin/world/blowfish_ecb/test/cipher_test.rb @@ -0,0 +1,11 @@ +require 'test/unit' +require 'blowfish_ecb' + +class CipherTest < Test::Unit::TestCase + def test_identity + cipher = Blowfish::ECB::Cipher.new("cipher_test") + ["hogefugahige", "1234567890", (1..255).to_a.pack("C*"), "", "1"].each do |data| + assert_equal(data, cipher.decrypt(cipher.encrypt(data)), "Failed at #{data}") + end + end +end \ No newline at end of file diff --git a/plugin/world/blowfish_ecb/test/key_test.rb b/plugin/world/blowfish_ecb/test/key_test.rb new file mode 100644 index 00000000..a43c311c --- /dev/null +++ b/plugin/world/blowfish_ecb/test/key_test.rb @@ -0,0 +1,68 @@ +require 'test/unit' +require 'blowfish_ecb' +require 'pp' + +# Test cases taken from OpenSSL's Blowfish implementation +# https://github.com/openssl/openssl/blob/master/test/bftest.c +class KeyTest < Test::Unit::TestCase + def test_initialize + key = Blowfish::ECB::Key.new("foobar") + assert_not_nil(key) + end + + def test_set_key + key = [0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x96, 0x87, + 0x78, 0x69, 0x5a, 0x4b, 0x3c, 0x2d, 0x1e, 0x0f, + 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88 + ] + data = [0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10].pack("C*") + expected = [ + [0xF9, 0xAD, 0x59, 0x7C, 0x49, 0xDB, 0x00, 0x5E], + [0xE9, 0x1D, 0x21, 0xC1, 0xD9, 0x61, 0xA6, 0xD6], + [0xE9, 0xC2, 0xB7, 0x0A, 0x1B, 0xC6, 0x5C, 0xF3], + [0xBE, 0x1E, 0x63, 0x94, 0x08, 0x64, 0x0F, 0x05], + [0xB3, 0x9E, 0x44, 0x48, 0x1B, 0xDB, 0x1E, 0x6E], + [0x94, 0x57, 0xAA, 0x83, 0xB1, 0x92, 0x8C, 0x0D], + [0x8B, 0xB7, 0x70, 0x32, 0xF9, 0x60, 0x62, 0x9D], + [0xE8, 0x7A, 0x24, 0x4E, 0x2C, 0xC8, 0x5E, 0x82], + [0x15, 0x75, 0x0E, 0x7A, 0x4F, 0x4E, 0xC5, 0x77], + [0x12, 0x2B, 0xA7, 0x0B, 0x3A, 0xB6, 0x4A, 0xE0], + [0x3A, 0x83, 0x3C, 0x9A, 0xFF, 0xC5, 0x37, 0xF6], + [0x94, 0x09, 0xDA, 0x87, 0xA9, 0x0F, 0x6B, 0xF2], + [0x88, 0x4F, 0x80, 0x62, 0x50, 0x60, 0xB8, 0xB4], + [0x1F, 0x85, 0x03, 0x1C, 0x19, 0xE1, 0x19, 0x68], + [0x79, 0xD9, 0x37, 0x3A, 0x71, 0x4C, 0xA3, 0x4F], + [0x93, 0x14, 0x28, 0x87, 0xEE, 0x3B, 0xE1, 0x5C], + [0x03, 0x42, 0x9E, 0x83, 0x8C, 0xE2, 0xD1, 0x4B], + [0xA4, 0x29, 0x9E, 0x27, 0x46, 0x9F, 0xF6, 0x7B], + [0xAF, 0xD5, 0xAE, 0xD1, 0xC1, 0xBC, 0x96, 0xA8], + [0x10, 0x85, 0x1C, 0x0E, 0x38, 0x58, 0xDA, 0x9F], + [0xE6, 0xF5, 0x1E, 0xD7, 0x9B, 0x9D, 0xB2, 0x1F], + [0x64, 0xA6, 0xE1, 0x4A, 0xFD, 0x36, 0xB4, 0x6F], + [0x80, 0xC7, 0xD7, 0xD4, 0x5A, 0x54, 0x79, 0xAD], + [0x05, 0x04, 0x4B, 0x62, 0xFA, 0x52, 0xD0, 0x80], + ] + + (0...24).each do |i| + bf_key = Blowfish::ECB::Key.new(key[0,i+1].pack("C*")) + enc = Blowfish::ECB.encrypt(data, bf_key) + assert_equal(expected[i].pack("C*"), enc, "Failed at case #{i}") + dec = Blowfish::ECB.decrypt(enc, bf_key) + assert_equal(data, dec, "Failed at case #{i}") + end + end + + def test_raw + cases = [ + {key: "abcdefghijklmnopqrstuvwxyz", data: [0x424c4f57, 0x46495348], expected: [0x324ed0fe, 0xf413a203]}, + {key: "Who is John Galt?", data: [0xfedcba98, 0x76543210], expected: [0xcc91732b, 0x8022f684]} + ] + + cases.each do |c| + bf_key = Blowfish::ECB::Key.new(c[:key]) + l, r = Blowfish::ECB::Common.encrypt(c[:data][0], c[:data][1], bf_key) + assert_equal(c[:expected], [l, r]) + end + end +end \ No newline at end of file diff --git a/plugin/world/blowfish_ecb/test/run_test.rb b/plugin/world/blowfish_ecb/test/run_test.rb new file mode 100644 index 00000000..29c6aafc --- /dev/null +++ b/plugin/world/blowfish_ecb/test/run_test.rb @@ -0,0 +1,4 @@ +require 'test/unit' + +$LOAD_PATH.unshift(File.expand_path(File.join(__dir__, '..'))) +exit Test::Unit::AutoRunner.run(true, __dir__) \ No newline at end of file diff --git a/plugin/world/keep.rb b/plugin/world/keep.rb index c4ae7d3b..5450820f 100644 --- a/plugin/world/keep.rb +++ b/plugin/world/keep.rb @@ -6,6 +6,7 @@ require 'fileutils' require 'openssl' require 'securerandom' require 'json' +require_relative 'blowfish_ecb/blowfish_ecb' =begin rdoc アカウントデータの永続化を行うユーティリティ。 @@ -122,17 +123,12 @@ module Plugin::World account_data end def encrypt(str) - cipher = OpenSSL::Cipher.new('bf-ecb').encrypt - cipher.key_len = ACCOUNT_CRYPT_KEY_LEN - cipher.key = key - cipher.update(str) << cipher.final end + cipher = Blowfish::ECB::Cipher.new(key) + cipher.encrypt(str) end def decrypt(binary_data) - cipher = OpenSSL::Cipher.new('bf-ecb').decrypt - cipher.key = key - str = cipher.update(binary_data) << cipher.final - str.force_encoding(Encoding::UTF_8) - str end + cipher = Blowfish::ECB::Cipher.new(key) + cipher.decrypt(binary_data).force_encoding(Encoding::UTF_8) end private