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#!/usr/bin/env ruby
# coding: ascii
require 'rc4'
require 'rspec'
describe RC4 do
it "should not crypt with a blank key" do
expect {
RC4.new("")
}.to raise_error(SyntaxError, "RC4: Key supplied is blank")
end
it "should encrypt and decrypt password 'super-cool-test' with key 'nuff rspec'" do
key = "nuff rspec"
enc = RC4.new(key)
encrypted = enc.encrypt("super-cool-test")
dec = RC4.new(key)
decrypted = dec.decrypt(encrypted)
decrypted.should match(/super-cool-test/)
end
it "should encrypt and decrypt password 'if-I-was-a-bit' with key 'bitsnbytes'" do
enc = RC4.new('bitsnbytes')
dec = RC4.new('bitsnbytes')
encrypted = enc.encrypt("if-I-was-a-bit")
decrypted = dec.decrypt(encrypted)
decrypted.should match(/if-I-was-a-bit/)
end
# test samples taken from:
# http://en.wikipedia.org/wiki/RC4#Test_vectors
it "should decrypt ciphertext 'BBF316E8D940AF0AD3' with key 'Key' to 'Plaintext'" do
dec = RC4.new('Key')
decrypted = dec.decrypt(['BBF316E8D940AF0AD3'].pack("H*"))
decrypted.should match(/Plaintext/)
end
it "should decrypt ciphertext '1021BF0420' with key 'Wiki' to 'pedia' " do
dec = RC4.new('Wiki')
decrypted = dec.decrypt(['1021BF0420'].pack("H*"))
decrypted.should match(/pedia/)
end
it "should decrypt ciphertext '45A01F645FC35B383552544B9BF5' with key 'Secret' to 'Attack at dawn'" do
dec = RC4.new('Secret')
decrypted = dec.decrypt(['45A01F645FC35B383552544B9BF5'].pack("H*"))
decrypted.should match(/Attack at dawn/)
end
end
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