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42 lines
1.1 KiB
Plaintext
42 lines
1.1 KiB
Plaintext
/*
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* Copyright (c) 2013-2014 Galois, Inc.
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* Distributed under the terms of the BSD3 license (see LICENSE file)
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*/
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module TripleDES where
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import DES
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blockEncrypt : ([64],[64],[64],[64]) -> [64]
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blockEncrypt (k1,k2,k3,data) = result where
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ex = DES.encrypt k1 data
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dx = DES.decrypt k2 ex
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result = DES.encrypt k3 dx
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// Test vectors from NIST 800-67
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Key1, Key2, Key3 : [64]
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Key1 = 0x0123456789ABCDEF
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Key2 = 0x23456789ABCDEF01
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Key3 = 0x456789ABCDEF0123
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P1, P2, P3 : [64]
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PlainText = "The qufck brown fox jump"
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// Yes, that's the correct phrase.. (see the 7th letter of the phrase).
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// It's supposed to be "the quick..." but they made a mistake in transcribing
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// the ASCII into hex.
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[P1, P2, P3] = splitBy`{3} (join PlainText)
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// B.1
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C1, C2, C3 : [64]
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C1 = 0xA826FD8CE53B855F
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C2 = 0xCCE21C8112256FE6
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C3 = 0x68D5C05DD9B6B900
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test_B1_1 = blockEncrypt (Key1, Key2, Key3, P1) == C1
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test_B1_2 = blockEncrypt (Key1, Key2, Key3, P2) == C2
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test_B1_3 = blockEncrypt (Key1, Key2, Key3, P3) == C3
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property passesTests = [test_B1_1, test_B1_2, test_B1_3] == ~zero
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