1
2
3
4
5 package tls13
6
7 import (
8 "bytes"
9 "crypto/internal/fips140"
10 _ "crypto/internal/fips140/check"
11 "crypto/internal/fips140/sha256"
12 "errors"
13 )
14
15 func init() {
16 fips140.CAST("TLSv1.3-SHA2-256", func() error {
17 input := []byte{
18 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
19 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
20 }
21 want := []byte{
22 0x78, 0x20, 0x71, 0x75, 0x52, 0xfd, 0x47, 0x67,
23 0xe1, 0x07, 0x5c, 0x83, 0x74, 0x2e, 0x49, 0x43,
24 0xf7, 0xe3, 0x08, 0x6a, 0x2a, 0xcb, 0x96, 0xc7,
25 0xa3, 0x1f, 0xe3, 0x23, 0x56, 0x6e, 0x14, 0x5b,
26 }
27 es := NewEarlySecret(sha256.New, nil)
28 hs := es.HandshakeSecret(nil)
29 ms := hs.MasterSecret()
30 transcript := sha256.New()
31 transcript.Write(input)
32 if got := ms.ResumptionMasterSecret(transcript); !bytes.Equal(got, want) {
33 return errors.New("unexpected result")
34 }
35 return nil
36 })
37 }
38
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