56 lines
1.9 KiB
Go
56 lines
1.9 KiB
Go
package crypto
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import (
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"github.com/lucas-clemente/quic-go/internal/protocol"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("NullAEAD using FNV128a", func() {
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aad := []byte("All human beings are born free and equal in dignity and rights.")
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plainText := []byte("They are endowed with reason and conscience and should act towards one another in a spirit of brotherhood.")
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hash36 := []byte{0x98, 0x9b, 0x33, 0x3f, 0xe8, 0xde, 0x32, 0x5c, 0xa6, 0x7f, 0x9c, 0xf7}
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var aeadServer AEAD
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var aeadClient AEAD
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BeforeEach(func() {
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aeadServer = &nullAEADFNV128a{protocol.PerspectiveServer}
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aeadClient = &nullAEADFNV128a{protocol.PerspectiveClient}
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})
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It("seals and opens, client => server", func() {
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cipherText := aeadClient.Seal(nil, plainText, 0, aad)
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res, err := aeadServer.Open(nil, cipherText, 0, aad)
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Expect(err).ToNot(HaveOccurred())
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Expect(res).To(Equal([]byte("They are endowed with reason and conscience and should act towards one another in a spirit of brotherhood.")))
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})
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It("seals and opens, server => client", func() {
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cipherText := aeadServer.Seal(nil, plainText, 0, aad)
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res, err := aeadClient.Open(nil, cipherText, 0, aad)
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Expect(err).ToNot(HaveOccurred())
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Expect(res).To(Equal([]byte("They are endowed with reason and conscience and should act towards one another in a spirit of brotherhood.")))
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})
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It("rejects short ciphertexts", func() {
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_, err := aeadServer.Open(nil, nil, 0, nil)
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Expect(err).To(MatchError("NullAEAD: ciphertext cannot be less than 12 bytes long"))
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})
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It("seals in-place", func() {
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buf := make([]byte, 6, 12+6)
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copy(buf, []byte("foobar"))
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res := aeadServer.Seal(buf[0:0], buf, 0, nil)
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buf = buf[:12+6]
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Expect(buf[12:]).To(Equal([]byte("foobar")))
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Expect(res[12:]).To(Equal([]byte("foobar")))
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})
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It("fails", func() {
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cipherText := append(append(hash36, plainText...), byte(0x42))
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_, err := aeadClient.Open(nil, cipherText, 0, aad)
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Expect(err).To(HaveOccurred())
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})
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})
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