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# 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

module Blowfish

module ECB

end

end

require_relative 'lib/cipher'

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

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

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

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

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

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

require 'test/unit'

$LOAD_PATH.unshift(File.expand_path(File.join(__dir__, '..')))

exit Test::Unit::AutoRunner.run(true, __dir__)

require_relative 'blowfish_ecb/blowfish_ecb'

cipher = Blowfish::ECB::Cipher.new(key)

cipher.encrypt(str) end

cipher = Blowfish::ECB::Cipher.new(key)

cipher.decrypt(binary_data).force_encoding(Encoding::UTF_8) end