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crypto/hmac: add HMAC-SHA256

Browse Source 
R=agl1, rsc
CC=golang-dev
https://golang.org/cl/3730041
This commit is contained in:
Anthony Martin 2010-12-17 12:19:37 -05:00 committed by Adam Langley
parent 5bd4094d2e
commit a890d70cc1
2 changed files with 111 additions and 2 deletions
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4
src/pkg/crypto/hmac/hmac.go
View File

@ -11,6 +11,7 @@ package hmac
import ( import (
"crypto/md5" "crypto/md5"
"crypto/sha1" "crypto/sha1"
"crypto/sha256"
"hash" "hash"
"os" "os"
) )
@ -94,3 +95,6 @@ func NewMD5(key []byte) hash.Hash { return New(md5.New, key) }
// NewSHA1 returns a new HMAC-SHA1 hash using the given key. // NewSHA1 returns a new HMAC-SHA1 hash using the given key.
func NewSHA1(key []byte) hash.Hash { return New(sha1.New, key) } func NewSHA1(key []byte) hash.Hash { return New(sha1.New, key) }
// NewSHA256 returns a new HMAC-SHA256 hash using the given key.
func NewSHA256(key []byte) hash.Hash { return New(sha256.New, key) }

109
src/pkg/crypto/hmac/hmac_test.go
View File

@ -17,9 +17,9 @@ type hmacTest struct {
out string out string
} }
// Tests from US FIPS 198
// http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
var hmacTests = []hmacTest{ var hmacTests = []hmacTest{
// Tests from US FIPS 198
// http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
{ {
NewSHA1, NewSHA1,
[]byte{ []byte{
@ -73,6 +73,111 @@ var hmacTests = []hmacTest{
[]byte("what do ya want for nothing?"), []byte("what do ya want for nothing?"),
"750c783e6ab0b503eaa86e310a5db738", "750c783e6ab0b503eaa86e310a5db738",
}, },
// Tests from RFC 4231
{
NewSHA256,
[]byte{
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b,
},
[]byte("Hi There"),
"b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7",
},
{
NewSHA256,
[]byte("Jefe"),
[]byte("what do ya want for nothing?"),
"5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843",
},
{
NewSHA256,
[]byte{
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa,
},
[]byte{
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd,
},
"773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe",
},
{
NewSHA256,
[]byte{
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
0x19,
},
[]byte{
0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
0xcd, 0xcd,
},
"82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b",
},
{
NewSHA256,
[]byte{
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa,
},
[]byte("Test Using Larger Than Block-Size Key - Hash Key First"),
"60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54",
},
{
NewSHA256,
[]byte{
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa,
},
[]byte("This is a test using a larger than block-size key " +
"and a larger than block-size data. The key needs to " +
"be hashed before being used by the HMAC algorithm."),
"9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2",
},
} }
func TestHMAC(t *testing.T) { func TestHMAC(t *testing.T) {