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require File.expand_path(File.join(File.dirname(__FILE__), "..", "spec_helper"))
describe "The BCrypt engine" do
specify "should calculate the optimal cost factor to fit in a specific time" do
first = BCrypt::Engine.calibrate(100)
second = BCrypt::Engine.calibrate(400)
expect(second).to be > first
end
end
describe "Generating BCrypt salts" do
specify "should produce strings" do
expect(BCrypt::Engine.generate_salt).to be_an_instance_of(String)
end
specify "should produce random data" do
expect(BCrypt::Engine.generate_salt).to_not equal(BCrypt::Engine.generate_salt)
end
specify "should raise a InvalidCostError if the cost parameter isn't numeric" do
expect { BCrypt::Engine.generate_salt('woo') }.to raise_error(BCrypt::Errors::InvalidCost)
end
specify "should raise a InvalidCostError if the cost parameter isn't greater than 0" do
expect { BCrypt::Engine.generate_salt(-1) }.to raise_error(BCrypt::Errors::InvalidCost)
end
end
describe "Autodetecting of salt cost" do
specify "should work" do
expect(BCrypt::Engine.autodetect_cost("$2a$08$hRx2IVeHNsTSYYtUWn61Ou")).to eq 8
expect(BCrypt::Engine.autodetect_cost("$2a$05$XKd1bMnLgUnc87qvbAaCUu")).to eq 5
expect(BCrypt::Engine.autodetect_cost("$2a$13$Lni.CZ6z5A7344POTFBBV.")).to eq 13
end
end
describe "Generating BCrypt hashes" do
class MyInvalidSecret
undef to_s
end
before :each do
@salt = BCrypt::Engine.generate_salt(4)
@password = "woo"
end
specify "should produce a string" do
expect(BCrypt::Engine.hash_secret(@password, @salt)).to be_an_instance_of(String)
end
specify "should raise an InvalidSalt error if the salt is invalid" do
expect { BCrypt::Engine.hash_secret(@password, 'nino') }.to raise_error(BCrypt::Errors::InvalidSalt)
end
specify "should raise an InvalidSecret error if the secret is invalid" do
expect { BCrypt::Engine.hash_secret(MyInvalidSecret.new, @salt) }.to raise_error(BCrypt::Errors::InvalidSecret)
expect { BCrypt::Engine.hash_secret(nil, @salt) }.not_to raise_error
expect { BCrypt::Engine.hash_secret(false, @salt) }.not_to raise_error
end
specify "should call #to_s on the secret and use the return value as the actual secret data" do
expect(BCrypt::Engine.hash_secret(false, @salt)).to eq BCrypt::Engine.hash_secret("false", @salt)
end
specify "should be interoperable with other implementations" do
# test vectors from the OpenWall implementation <http://www.openwall.com/crypt/>
test_vectors = [
["U*U", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW"],
["U*U*", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK"],
["U*U*U", "$2a$05$XXXXXXXXXXXXXXXXXXXXXO", "$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a"],
["", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy"],
["0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", "$2a$05$abcdefghijklmnopqrstuu", "$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui"]
]
for secret, salt, test_vector in test_vectors
expect(BCrypt::Engine.hash_secret(secret, salt)).to eql(test_vector)
end
end
end