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// Copyright 2012 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package siv
import (
"testing"
aes_testing "github.com/jacobsa/crypto/testing"
. "github.com/jacobsa/oglematchers"
. "github.com/jacobsa/ogletest"
)
func TestS2v(t *testing.T) { RunTests(t) }
////////////////////////////////////////////////////////////////////////
// Helpers
////////////////////////////////////////////////////////////////////////
type S2vTest struct{}
func init() { RegisterTestSuite(&S2vTest{}) }
////////////////////////////////////////////////////////////////////////
// Tests
////////////////////////////////////////////////////////////////////////
func (t *S2vTest) NilKey() {
key := []byte(nil)
strings := [][]byte{[]byte{}}
f := func() { s2v(key, strings, nil) }
ExpectThat(f, Panics(HasSubstr("-byte")))
}
func (t *S2vTest) ShortKey() {
key := make([]byte, 15)
strings := [][]byte{[]byte{}}
f := func() { s2v(key, strings, nil) }
ExpectThat(f, Panics(HasSubstr("-byte")))
}
func (t *S2vTest) LongKey() {
key := make([]byte, 33)
strings := [][]byte{[]byte{}}
f := func() { s2v(key, strings, nil) }
ExpectThat(f, Panics(HasSubstr("-byte")))
}
func (t *S2vTest) EmptyStringsVector() {
key := aes_testing.FromRfcHex("fffefdfc fbfaf9f8 f7f6f5f4 f3f2f1f0")
strings := [][]byte{}
f := func() { s2v(key, strings, nil) }
ExpectThat(f, Panics(HasSubstr("non-empty")))
}
func (t *S2vTest) Rfc5297GoldenTestCaseA1() {
key := aes_testing.FromRfcHex("fffefdfc fbfaf9f8 f7f6f5f4 f3f2f1f0")
strings := [][]byte{
aes_testing.FromRfcHex(
"10111213 14151617 18191a1b 1c1d1e1f" +
"20212223 24252627"),
aes_testing.FromRfcHex(
"11223344 55667788 99aabbcc ddee"),
}
expected := aes_testing.FromRfcHex("85632d07 c6e8f37f 950acd32 0a2ecc93")
ExpectThat(s2v(key, strings, nil), DeepEquals(expected))
}
func (t *S2vTest) Rfc5297GoldenTestCaseA2() {
key := aes_testing.FromRfcHex("7f7e7d7c 7b7a7978 77767574 73727170")
strings := [][]byte{
aes_testing.FromRfcHex(
"00112233 44556677 8899aabb ccddeeff" +
"deaddada deaddada ffeeddcc bbaa9988" +
"77665544 33221100"),
aes_testing.FromRfcHex("10203040 50607080 90a0"),
aes_testing.FromRfcHex("09f91102 9d74e35b d84156c5 635688c0"),
aes_testing.FromRfcHex(
"74686973 20697320 736f6d65 20706c61" +
"696e7465 78742074 6f20656e 63727970" +
"74207573 696e6720 5349562d 414553"),
}
expected := aes_testing.FromRfcHex("7bdb6e3b 432667eb 06f4d14b ff2fbd0f")
ExpectThat(s2v(key, strings, nil), DeepEquals(expected))
}
func (t *S2vTest) GeneratedTestCases() {
cases := aes_testing.S2vCases()
AssertGe(len(cases), 100)
for i, c := range cases {
ExpectThat(
s2v(c.Key, c.Strings, nil),
DeepEquals(c.Output),
"Case %d: %v", i, c)
}
}
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